Ubuntu

Why information “.....configured multiple times ...” appears while updating Ubuntu 18.04

Asked by Navin Talati

I upgraded Ubuyntu 16.04 to 18.04 as detailed in question/669283 under Ubuntu in launchpad.net. Titled as “Desktop screen disappeared on upgrading Ubuntu 16.04 LTS to 18.04 LTS”

 https://answers.launchpad.net/buntu/uquestio+n/669283

When I apply “sudo apt-get update” command, alongt with Hit: ‘s list it gives information list of so many packages stating
 “.....configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98” etc.

The actual OUT PUT is as under:
navin@linux:~$ sudo apt-get update
[sudo] password for navin:
Hit:1 http://archive.canonical.com/ubuntu bionic InRelease
Ign:2 http://dl.google.com/linux/earth/deb stable InRelease
Hit:3 http://archive.ubuntu.com/ubuntu bionic InRelease
Hit:4 http://dl.google.com/linux/earth/deb stable Release
Hit:5 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:7 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:8 http://archive.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists... Done
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://dl.google.com/linux/earth/deb stable InRelease' doesn't support architecture 'i386'
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11 (multiverse/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11-icons-small (multiverse/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:6 and /etc/apt/sources.list:98
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:11 and /etc/apt/sources.list:103
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:35 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (multiverse/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Translations (multiverse/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Translations (multiverse/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11 (multiverse/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11 (multiverse/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11-icons-small (multiverse/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target DEP-11-icons (multiverse/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target CNF (multiverse/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target CNF (multiverse/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:81 and /etc/apt/sources.list:125
W: Target Packages (restricted/binary-amd64/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Packages (restricted/binary-i386/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Packages (restricted/binary-all/Packages) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Translations (restricted/i18n/Translation-en_IN) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target Translations (restricted/i18n/Translation-en) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11 (restricted/dep11/Components-amd64.yml) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11 (restricted/dep11/Components-all.yml) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11-icons-small (restricted/dep11/icons-48x48.tar) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target DEP-11-icons (restricted/dep11/icons-64x64.tar) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target CNF (restricted/cnf/Commands-amd64) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
W: Target CNF (restricted/cnf/Commands-all) is configured multiple times in /etc/apt/sources.list:45 and /etc/apt/sources.list:135
navin@linux:~$

Why this is hapening and what is the reason of it?
How to resolve this happening in thwe terminal while uipdating and upgrading?

Question information

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Solved by:
Navin Talati
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Last reply:
Revision history for this message
Navin Talati (n-m-talati) said : 		#1

please read the last line as under (Spelling corrected):
How to resolve this happening in the terminal while updating and upgrading?

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#2

What is the output of:

cat -n /etc/apt/sources.list

Thanks

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#3

The Google Earth repository doesn't support 32bit Ubuntu. Is your CPU not 64bit!?

Revision history for this message
Navin Talati (n-m-talati) said : 		#4

Ans. to #3 CPU & MB are 64 b it compatible. AMD Phenom(tm) II X2 555 prcessor x2 & 8 GB DDR3 RAM
Ans. to #2 The out put of " cat -n /etc/apt/sources.list " is as under:

-----------------------------------------------------------------
navin@linux:~$ cat -n /etc/apt/sources.list
     1 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     2 # deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
     3 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     4 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
     5 # newer versions of the distribution.
     6 deb http://archive.ubuntu.com/ubuntu bionic main universe restricted
     7 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial main restricted
     8
     9 ## Major bug fix updates produced after the final release of the
    10 ## distribution.
    11 deb http://archive.ubuntu.com/ubuntu bionic-updates main universe restricted
    12 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates main restricted
    13
    14 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    15 ## team, and may not be under a free licence. Please satisfy yourself as to
    16 ## your rights to use the software. Also, please note that software in
    17 ## universe WILL NOT receive any review or updates from the Ubuntu security
    18 ## team.
    19 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial universe
    20 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates universe
    21
    22 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    23 ## team, and may not be under a free licence. Please satisfy yourself as to
    24 ## your rights to use the software. Also, please note that software in
    25 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    26 ## security team.
    27 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial multiverse
    28 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates multiverse
    29
    30 ## N.B. software from this repository may not have been tested as
    31 ## extensively as that contained in the main release, although it includes
    32 ## newer versions of some applications which may provide useful features.
    33 ## Also, please note that software in backports WILL NOT receive any review
    34 ## or updates from the Ubuntu security team.
    35 deb http://archive.ubuntu.com/ubuntu bionic-backports main universe restricted
    36 # deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse
    37
    38 ## Uncomment the following two lines to add software from Canonical's
    39 ## 'partner' repository.
    40 ## This software is not part of Ubuntu, but is offered by Canonical and the
    41 ## respective vendors as a service to Ubuntu users.
    42 deb http://archive.canonical.com/ubuntu bionic partner
    43 deb-src http://archive.canonical.com/ubuntu bionic partner
    44
    45 deb http://archive.ubuntu.com/ubuntu bionic-security main universe restricted
    46 # deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
    47 # deb-src http://security.ubuntu.com/ubuntu xenial-security universe
    48 # deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
    49 # deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main # disabled on upgrade to bionic
    50 # deb-src https://dl.winehq.org/wine-builds/ubuntu/ xenial main
    51
    52 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    53 # newer versions of the distribution.
    54 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
    55
    56 ## Major bug fix updates produced after the final release of the
    57 ## distribution.
    58 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
    59
    60 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    61 ## team. Also, please note that software in universe WILL NOT receive any
    62 ## review or updates from the Ubuntu security team.
    63 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
    64 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
    65
    66 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    67 ## team, and may not be under a free licence. Please satisfy yourself as to
    68 ## your rights to use the software. Also, please note that software in
    69 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    70 ## security team.
    71 deb http://archive.ubuntu.com/ubuntu bionic multiverse
    72 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
    73 deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse
    74 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
    75
    76 ## N.B. software from this repository may not have been tested as
    77 ## extensively as that contained in the main release, although it includes
    78 ## newer versions of some applications which may provide useful features.
    79 ## Also, please note that software in backports WILL NOT receive any review
    80 ## or updates from the Ubuntu security team.
    81 deb http://archive.ubuntu.com/ubuntu bionic-backports multiverse
    82 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
    83
    84 ## Uncomment the following two lines to add software from Canonical's
    85 ## 'partner' repository.
    86 ## This software is not part of Ubuntu, but is offered by Canonical and the
    87 ## respective vendors as a service to Ubuntu users.
    88 # deb http://archive.canonical.com/ubuntu bionic partner
    89 # deb-src http://archive.canonical.com/ubuntu bionic partner
    90
    91 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
    92 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
    93 deb http://archive.ubuntu.com/ubuntu bionic-security multiverse
    94 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
    95
    96 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    97 # newer versions of the distribution.
    98 deb http://archive.ubuntu.com/ubuntu bionic restricted
    99 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
   100
   101 ## Major bug fix updates produced after the final release of the
   102 ## distribution.
   103 deb http://archive.ubuntu.com/ubuntu bionic-updates restricted
   104 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
   105
   106 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
   107 ## team. Also, please note that software in universe WILL NOT receive any
   108 ## review or updates from the Ubuntu security team.
   109 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
   110 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
   111
   112 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
   113 ## team, and may not be under a free licence. Please satisfy yourself as to
   114 ## your rights to use the software. Also, please note that software in
   115 ## multiverse WILL NOT receive any review or updates from the Ubuntu
   116 ## security team.
   117 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
   118 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
   119
   120 ## N.B. software from this repository may not have been tested as
   121 ## extensively as that contained in the main release, although it includes
   122 ## newer versions of some applications which may provide useful features.
   123 ## Also, please note that software in backports WILL NOT receive any review
   124 ## or updates from the Ubuntu security team.
   125 deb http://archive.ubuntu.com/ubuntu bionic-backports restricted multiverse
   126 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
   127
   128 ## Uncomment the following two lines to add software from Canonical's
   129 ## 'partner' repository.
   130 ## This software is not part of Ubuntu, but is offered by Canonical and the
   131 ## respective vendors as a service to Ubuntu users.
   132 # deb http://archive.canonical.com/ubuntu bionic partner
   133 # deb-src http://archive.canonical.com/ubuntu bionic partner
   134
   135 deb http://archive.ubuntu.com/ubuntu bionic-security restricted
   136 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
   137 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
   138 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
navin@linux:~$
-------------------------------------------------------------------------------
Thanks.

Revision history for this message
Manfred Hampl (m-hampl) said : 		#5

If you look at the contents of the sources.list file, you can see that starting with line 96 the contents a repeating what there is already at the beginning.
Edit that file and delete everything after line 95.
Then replace all occurrences of "xenial" by "bionic" except in the second line (for the cdrom).

There must be an additional file for chrome in the /etc/apt/sources.list.d directory.
You have to insert "[arch=amd64]" in the lines of that file to look similar to
deb [arch=amd64] http://dl.google.com/… … …

Revision history for this message
Manfred Hampl (m-hampl) said : 		#6

correction: that other file im the subdirectory is not for chrome but for google earth

Revision history for this message
Navin Talati (n-m-talati) said : 		#7

Sir,
As my linux knowledge is very limited, I physically I explored the file as under:

Home-->Other Locations-->Computer-->etc-->apt-->It contains 4 Folders (apt.conf.d; references.d; sources.list.d; and trsted.gpg.d ) & 4 files (sources.list; sources.list.save; trsted.gpg; and trsted.gpg~ )

Out of those above, only “sources.list.save” file is opening (and hance I think could be edited). Its conternt is as under:
-------------------------------------------------------------------------------------------------------------------------------
# deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
# deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
# deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu bionic main universe restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu bionic-updates main universe restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## universe WILL NOT receive any review or updates from the Ubuntu security
## team.
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial universe
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://archive.ubuntu.com/ubuntu bionic-backports main universe restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ xenial-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
deb http://archive.canonical.com/ubuntu bionic partner
deb-src http://archive.canonical.com/ubuntu bionic partner

deb http://archive.ubuntu.com/ubuntu bionic-security main universe restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security main restricted
# deb-src http://security.ubuntu.com/ubuntu xenial-security universe
# deb-src http://security.ubuntu.com/ubuntu xenial-security multiverse
# deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main # disabled on upgrade to bionic
# deb-src https://dl.winehq.org/wine-builds/ubuntu/ xenial main

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://archive.ubuntu.com/ubuntu bionic restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://archive.ubuntu.com/ubuntu bionic-updates restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://archive.ubuntu.com/ubuntu bionic multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://archive.ubuntu.com/ubuntu bionic-backports restricted multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu bionic partner
# deb-src http://archive.canonical.com/ubuntu bionic partner

deb http://archive.ubuntu.com/ubuntu bionic-security restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
deb http://archive.ubuntu.com/ubuntu bionic-security multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse

________From here onward all the following lines are to be deleted_______
 Is that correct? _______________________________________

# See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
# newer versions of the distribution.
deb http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted

## Major bug fix updates produced after the final release of the
## distribution.
deb http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team. Also, please note that software in universe WILL NOT receive any
## review or updates from the Ubuntu security team.
deb http://in.archive.ubuntu.com/ubuntu/ bionic universe
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
deb http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe

## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
## team, and may not be under a free licence. Please satisfy yourself as to
## your rights to use the software. Also, please note that software in
## multiverse WILL NOT receive any review or updates from the Ubuntu
## security team.
deb http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
deb http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse

## N.B. software from this repository may not have been tested as
## extensively as that contained in the main release, although it includes
## newer versions of some applications which may provide useful features.
## Also, please note that software in backports WILL NOT receive any review
## or updates from the Ubuntu security team.
deb http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
# deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse

## Uncomment the following two lines to add software from Canonical's
## 'partner' repository.
## This software is not part of Ubuntu, but is offered by Canonical and the
## respective vendors as a service to Ubuntu users.
# deb http://archive.canonical.com/ubuntu bionic partner
# deb-src http://archive.canonical.com/ubuntu bionic partner

deb http://security.ubuntu.com/ubuntu bionic-security main restricted
# deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
deb http://security.ubuntu.com/ubuntu bionic-security universe
# deb-src http://security.ubuntu.com/ubuntu bionic-security universe
deb http://security.ubuntu.com/ubuntu bionic-security multiverse
# deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
-----------------------------------------------------------------------------------------------------------------------

So as indicated in the above paragraph (i.e. FROM: ________From here onward al the following lines are to be deleted_______
 Is that correct? ____________), the onward content is to be deleted and the file is to be saved.

This will cure the issue. Is it so?
Please guide.

(NOTE: as my technical linux knowledge is very limited, I do not know how to do this work through command lines, I am doing this physically. If possible and convenient for you, kindly send me the required command lines along with the sequence of their application.)

Revision history for this message
Manfred Hampl (m-hampl) said : 		#8

I am sorry if my instructions were not sufficient, but due to the fact that the Launchpad user-ID Navin Talati was already registered more than seven years ago I did not expect that you have only "very limited technical linux knowledge".

You have to use the command line for doing the changes:

Open a terminal window by simultaneously pressing ctrl-alt-t
In the terminal window that opens enter the command
sudo gedit /etc/apt/sources.list
This will ask for your password as confirmation for an administrative action, but please note that you will not get any feedback when entering the password (no echo, not even '*' placeholders).
After successfully entering the password an editor window will open, with the sources.list file loaded.
Scroll down to line 95 and delete everything from this position to the end of the file.
Using the search and replace dialogue replace all occurrences of the string "xenial" by "bionic" except in line 2.
Save the file and close the editor.
This should solve the "configured multiple times" messages.

For the "i386" problem we need the output that you receive when you execute the command
ls -l /etc/apt/sources.list.d
in a terminal window.

Revision history for this message
Navin Talati (n-m-talati) said : 		#9

Sir,
Thank you for the systematic detailed instructions to me to be followed. This will definitely help me.

( Though I am using ubuntu for many years but being a Sr.Citizen, I do not have any background of computer science, I feel difficult to operate. as I have read somewhere that only apply the command if you know that what you are doing - otherwise don't. As wrong command may lead to more problem. So I do not dare!)

I will do and let you know the stuff operation and results, suggested by your esteemed-self.

Right now I am giving you the output of "ls -l /etc/apt/sources.list.d" for the "i386" problem - which is as under:

--------------------------OUT PUT ------------------------------------------
navin@linux:~$ ls -l /etc/apt/sources.list.d
total 4
-rw-r--r-- 1 root root 175 Jun 21 18:13 google-earth-pro.list
navin@linux:~$
--------------------------------------------------------------------------------
Regards.

Revision history for this message
Manfred Hampl (m-hampl) said : 		#10

Your last comment is sufficient to provide full instructions also for the "i386" problem.

In addition to the changes to /etc/apt/sources.list as given in my previous comment do the following:

Open a terminal window and issue the command
sudo gedit /etc/apt/sources.list.d/google-earth-pro.list

An editor window will open with a file loaded (probably just one or two lines).
One of the lines will start with

deb http://dl.google.com/linux/earth/deb ...

You have to insert some specific code after the first word making it

deb [arch=amd64] http://dl.google.com/linux/earth/deb ...

Save the file and close the editor.

For verification whether this has solved all warnings and errors, please execute the command
sudo apt-get update
and copy/paste all output into this question document that we can see the results.

Revision history for this message
Navin Talati (n-m-talati) said : 		#11

Is is necessary to keep the sequence of editing files First as per #8 and then as per #10 ?
Or could it be done in any sequence ?

Revision history for this message
Manfred Hampl (m-hampl) said : 		#12

The steps in comment #8 and #10 are independent of each other and can be done in any sequence.

Revision history for this message
Navin Talati (n-m-talati) said : 		#13

After applying the stuffs as per #8 & #10, the output of updating is as under:

--------------------------------------------OUTPUT-------------------------
navin@linux:~$ sudo apt-get update
[sudo] password for navin:
Err:1 http://archive.ubuntu.com/ubuntu bionic InRelease
  Could not resolve 'archive.ubuntu.com'
Err:2 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
  Could not resolve 'archive.ubuntu.com'
Err:3 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
  Could not resolve 'archive.ubuntu.com'
Err:4 http://archive.ubuntu.com/ubuntu bionic-security InRelease
  Could not resolve 'archive.ubuntu.com'
Err:5 http://archive.canonical.com/ubuntu bionic InRelease
  Could not resolve 'archive.canonical.com'
Err:6 http://dl.google.com/linux/earth/deb stable InRelease
  Could not resolve 'dl.google.com'
Reading package lists... Done
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic/InRelease Could not resolve 'archive.ubuntu.com'
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-updates/InRelease Could not resolve 'archive.ubuntu.com'
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-backports/InRelease Could not resolve 'archive.ubuntu.com'
W: Failed to fetch http://archive.canonical.com/ubuntu/dists/bionic/InRelease Could not resolve 'archive.canonical.com'
W: Failed to fetch http://archive.ubuntu.com/ubuntu/dists/bionic-security/InRelease Could not resolve 'archive.ubuntu.com'
W: Failed to fetch http://dl.google.com/linux/earth/deb/dists/stable/InRelease Could not resolve 'dl.google.com'
W: Some index files failed to download. They have been ignored, or old ones used instead.
navin@linux:~$
------------------------------------------------------------------------------------------------

I think something has gone wrong !

Additionally, I am adding here the following output of the list :(for your ready reference, please)
-----------------------------------------------------
navin@linux:~$ cat -n /etc/apt/sources.list
     1 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     2 # deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
     3 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     4 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
     5 # newer versions of the distribution.
     6 deb http://archive.ubuntu.com/ubuntu bionic main universe restricted
     7 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
     8
     9 ## Major bug fix updates produced after the final release of the
    10 ## distribution.
    11 deb http://archive.ubuntu.com/ubuntu bionic-updates main universe restricted
    12 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
    13
    14 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    15 ## team, and may not be under a free licence. Please satisfy yourself as to
    16 ## your rights to use the software. Also, please note that software in
    17 ## universe WILL NOT receive any review or updates from the Ubuntu security
    18 ## team.
    19 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
    20 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
    21
    22 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    23 ## team, and may not be under a free licence. Please satisfy yourself as to
    24 ## your rights to use the software. Also, please note that software in
    25 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    26 ## security team.
    27 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
    28 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
    29
    30 ## N.B. software from this repository may not have been tested as
    31 ## extensively as that contained in the main release, although it includes
    32 ## newer versions of some applications which may provide useful features.
    33 ## Also, please note that software in backports WILL NOT receive any review
    34 ## or updates from the Ubuntu security team.
    35 deb http://archive.ubuntu.com/ubuntu bionic-backports main universe restricted
    36 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
    37
    38 ## Uncomment the following two lines to add software from Canonical's
    39 ## 'partner' repository.
    40 ## This software is not part of Ubuntu, but is offered by Canonical and the
    41 ## respective vendors as a service to Ubuntu users.
    42 deb http://archive.canonical.com/ubuntu bionic partner
    43 deb-src http://archive.canonical.com/ubuntu bionic partner
    44
    45 deb http://archive.ubuntu.com/ubuntu bionic-security main universe restricted
    46 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
    47 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
    48 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
    49 # deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main # disabled on upgrade to bionic
    50 # deb-src https://dl.winehq.org/wine-builds/ubuntu/ bionic main
    51
    52 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    53 # newer versions of the distribution.
    54 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
    55
    56 ## Major bug fix updates produced after the final release of the
    57 ## distribution.
    58 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
    59
    60 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    61 ## team. Also, please note that software in universe WILL NOT receive any
    62 ## review or updates from the Ubuntu security team.
    63 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
    64 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
    65
    66 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    67 ## team, and may not be under a free licence. Please satisfy yourself as to
    68 ## your rights to use the software. Also, please note that software in
    69 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    70 ## security team.
    71 deb http://archive.ubuntu.com/ubuntu bionic multiverse
    72 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
    73 deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse
    74 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
    75
    76 ## N.B. software from this repository may not have been tested as
    77 ## extensively as that contained in the main release, although it includes
    78 ## newer versions of some applications which may provide useful features.
    79 ## Also, please note that software in backports WILL NOT receive any review
    80 ## or updates from the Ubuntu security team.
    81 deb http://archive.ubuntu.com/ubuntu bionic-backports multiverse
    82 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
    83
    84 ## Uncomment the following two lines to add software from Canonical's
    85 ## 'partner' repository.
    86 ## This software is not part of Ubuntu, but is offered by Canonical and the
    87 ## respective vendors as a service to Ubuntu users.
    88 # deb http://archive.canonical.com/ubuntu bionic partner
    89 # deb-src http://archive.canonical.com/ubuntu bionic partner
    90
    91 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
    92 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
    93 deb http://archive.ubuntu.com/ubuntu bionic-security multiverse
    94 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
    95
navin@linux:~$
---------------------------------------------------------------------

Revision history for this message
actionparsnip (andrew-woodhead666) said : 		#14

OK, run:

echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf > /dev/null
sudo apt-get update

If that works OK, run:
sudo apt-get upgrade
sudo apt-get dist-upgrade

Is it OK now?

Revision history for this message
Navin Talati (n-m-talati) said : 		#15

Sir, I am adding the final result of the above stuffs after restarting the machine.
THREE commands are applied and their outputs are as under:

--------------- OUTPUT-----------
navin@linux:~$ sudo apt-get update
[sudo] password for navin:
Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
Ign:2 http://dl.google.com/linux/earth/deb stable InRelease
Hit:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:4 http://archive.canonical.com/ubuntu bionic InRelease
Hit:5 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:6 http://dl.google.com/linux/earth/deb stable Release
Hit:7 http://archive.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists... Done
navin@linux:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  gconf-service gconf-service-backend gconf2 gconf2-common libappindicator1
  libatinject-jsr330-api-java libcommons-lang3-java libfontawesomefx-java
  libfontbox2-java libgconf-2-4 libgeronimo-validation-1.0-spec-java
  libgettext-commons-java libhibernate-validator-java libimgscalr-java
  libindicator7 libjackson2-core-java libjackson2-jr-java
  libjboss-logging-java liblogback-java libmetadata-extractor-java
  libopenjfx-java libopenjfx-jni libsambox-java libsejda-eventstudio-java
  libsejda-injector-java libsejda-io-java libsejda-java libslf4j-java
  libtwelvemonkeys-java libxmpcore-java openjfx
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
navin@linux:~$ cat -n /etc/apt/sources.list
     1 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     2 # deb cdrom:[Ubuntu 16.04 LTS _Xenial Xerus_ - Release amd64 (20160420.1)]/ xenial main restricted
     3 # deb cdrom:[Ubuntu 18.04 LTS _Bionic Beaver_ - Release amd64 (20180426)]/ bionic main restricted
     4 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
     5 # newer versions of the distribution.
     6 deb http://archive.ubuntu.com/ubuntu bionic main universe restricted
     7 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
     8
     9 ## Major bug fix updates produced after the final release of the
    10 ## distribution.
    11 deb http://archive.ubuntu.com/ubuntu bionic-updates main universe restricted
    12 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
    13
    14 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    15 ## team, and may not be under a free licence. Please satisfy yourself as to
    16 ## your rights to use the software. Also, please note that software in
    17 ## universe WILL NOT receive any review or updates from the Ubuntu security
    18 ## team.
    19 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
    20 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
    21
    22 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    23 ## team, and may not be under a free licence. Please satisfy yourself as to
    24 ## your rights to use the software. Also, please note that software in
    25 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    26 ## security team.
    27 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
    28 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
    29
    30 ## N.B. software from this repository may not have been tested as
    31 ## extensively as that contained in the main release, although it includes
    32 ## newer versions of some applications which may provide useful features.
    33 ## Also, please note that software in backports WILL NOT receive any review
    34 ## or updates from the Ubuntu security team.
    35 deb http://archive.ubuntu.com/ubuntu bionic-backports main universe restricted
    36 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
    37
    38 ## Uncomment the following two lines to add software from Canonical's
    39 ## 'partner' repository.
    40 ## This software is not part of Ubuntu, but is offered by Canonical and the
    41 ## respective vendors as a service to Ubuntu users.
    42 deb http://archive.canonical.com/ubuntu bionic partner
    43 deb-src http://archive.canonical.com/ubuntu bionic partner
    44
    45 deb http://archive.ubuntu.com/ubuntu bionic-security main universe restricted
    46 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
    47 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
    48 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
    49 # deb https://dl.winehq.org/wine-builds/ubuntu/ bionic main # disabled on upgrade to bionic
    50 # deb-src https://dl.winehq.org/wine-builds/ubuntu/ bionic main
    51
    52 # See http://help.ubuntu.com/community/UpgradeNotes for how to upgrade to
    53 # newer versions of the distribution.
    54 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic main restricted
    55
    56 ## Major bug fix updates produced after the final release of the
    57 ## distribution.
    58 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates main restricted
    59
    60 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    61 ## team. Also, please note that software in universe WILL NOT receive any
    62 ## review or updates from the Ubuntu security team.
    63 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic universe
    64 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates universe
    65
    66 ## N.B. software from this repository is ENTIRELY UNSUPPORTED by the Ubuntu
    67 ## team, and may not be under a free licence. Please satisfy yourself as to
    68 ## your rights to use the software. Also, please note that software in
    69 ## multiverse WILL NOT receive any review or updates from the Ubuntu
    70 ## security team.
    71 deb http://archive.ubuntu.com/ubuntu bionic multiverse
    72 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic multiverse
    73 deb http://archive.ubuntu.com/ubuntu bionic-updates multiverse
    74 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-updates multiverse
    75
    76 ## N.B. software from this repository may not have been tested as
    77 ## extensively as that contained in the main release, although it includes
    78 ## newer versions of some applications which may provide useful features.
    79 ## Also, please note that software in backports WILL NOT receive any review
    80 ## or updates from the Ubuntu security team.
    81 deb http://archive.ubuntu.com/ubuntu bionic-backports multiverse
    82 # deb-src http://in.archive.ubuntu.com/ubuntu/ bionic-backports main restricted universe multiverse
    83
    84 ## Uncomment the following two lines to add software from Canonical's
    85 ## 'partner' repository.
    86 ## This software is not part of Ubuntu, but is offered by Canonical and the
    87 ## respective vendors as a service to Ubuntu users.
    88 # deb http://archive.canonical.com/ubuntu bionic partner
    89 # deb-src http://archive.canonical.com/ubuntu bionic partner
    90
    91 # deb-src http://security.ubuntu.com/ubuntu bionic-security main restricted
    92 # deb-src http://security.ubuntu.com/ubuntu bionic-security universe
    93 deb http://archive.ubuntu.com/ubuntu bionic-security multiverse
    94 # deb-src http://security.ubuntu.com/ubuntu bionic-security multiverse
    95
navin@linux:~$
--------------------------------------------------

I think the matter is cleaned and problem is solved.
(NOTE: Any comment/suggestion is there on the output - please give the feedback and guidance, otherwise I feel the captioned problem under QUESTION is solved )

Revision history for this message
Navin Talati (n-m-talati) said : 		#16

Output of stuffs instructed is as under:
--------------------------------------------------------------------
navin@linux:~$ echo "nameserver 8.8.8.8" | sudo tee /etc/resolv.conf > /dev/null
[sudo] password for navin:
navin@linux:~$ sudo apt-get update
Hit:1 http://archive.ubuntu.com/ubuntu bionic InRelease
Ign:2 http://dl.google.com/linux/earth/deb stable InRelease
Hit:3 http://archive.ubuntu.com/ubuntu bionic-updates InRelease
Hit:4 http://archive.canonical.com/ubuntu bionic InRelease
Hit:5 http://archive.ubuntu.com/ubuntu bionic-backports InRelease
Hit:6 http://dl.google.com/linux/earth/deb stable Release
Hit:7 http://archive.ubuntu.com/ubuntu bionic-security InRelease
Reading package lists... Done
navin@linux:~$ sudo apt-get upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  gconf-service gconf-service-backend gconf2 gconf2-common libappindicator1
  libatinject-jsr330-api-java libcommons-lang3-java libfontawesomefx-java
  libfontbox2-java libgconf-2-4 libgeronimo-validation-1.0-spec-java
  libgettext-commons-java libhibernate-validator-java libimgscalr-java libindicator7
  libjackson2-core-java libjackson2-jr-java libjboss-logging-java liblogback-java
  libmetadata-extractor-java libopenjfx-java libopenjfx-jni libsambox-java
  libsejda-eventstudio-java libsejda-injector-java libsejda-io-java libsejda-java
  libslf4j-java libtwelvemonkeys-java libxmpcore-java openjfx
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
navin@linux:~$ sudo apt-get dist-upgrade
Reading package lists... Done
Building dependency tree
Reading state information... Done
Calculating upgrade... Done
The following packages were automatically installed and are no longer required:
  gconf-service gconf-service-backend gconf2 gconf2-common libappindicator1
  libatinject-jsr330-api-java libcommons-lang3-java libfontawesomefx-java
  libfontbox2-java libgconf-2-4 libgeronimo-validation-1.0-spec-java
  libgettext-commons-java libhibernate-validator-java libimgscalr-java libindicator7
  libjackson2-core-java libjackson2-jr-java libjboss-logging-java liblogback-java
  libmetadata-extractor-java libopenjfx-java libopenjfx-jni libsambox-java
  libsejda-eventstudio-java libsejda-injector-java libsejda-io-java libsejda-java
  libslf4j-java libtwelvemonkeys-java libxmpcore-java openjfx
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
navin@linux:~$
------------------------------------------------------
It is OK now
(NOTE: Any comment/suggestion is there on the output - please give the feedback and guidance, otherwise I feel the captioned problem under QUESTION is solved )