Error Ubuntu 16.04.3 with blank screen after login
root@ubuntu:/# uname -a
Linux ubuntu 3.8.0-29-generic #42~precise1-Ubuntu SMP Wed Aug 14 15:31:16 UTC 2013 i686 i686 i686 GNU/Linux
root@ubuntu:/# lsb_release -crid
Distributor ID: Ubuntu
Description: Ubuntu 16.04.3 LTS
Release: 16.04
Codename: xenial
root@ubuntu:/# sudo dpkg --configure -a
root@ubuntu:/# sudo apt-get install -f
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are no longer required:
linux-
linux-
linux-
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@ubuntu:/# sudo dpkg --audit
root@ubuntu:/#
root@ubuntu:/# sudo apt-key list
/etc/apt/
-------
pub 1024D/437D05B5 2004-09-12
uid Ubuntu Archive Automatic Signing Key <email address hidden>
sub 2048g/79164387 2004-09-12
pub 1024D/FBB75451 2004-12-30
uid Ubuntu CD Image Automatic Signing Key <email address hidden>
pub 4096R/C0B21F32 2012-05-11
uid Ubuntu Archive Automatic Signing Key (2012) <email address hidden>
pub 4096R/EFE21092 2012-05-11
uid Ubuntu CD Image Automatic Signing Key (2012) <email address hidden>
pub 1024D/7FAC5991 2007-03-08
uid Google, Inc. Linux Package Signing Key <email address hidden>
sub 2048g/C07CB649 2007-03-08
pub 4096R/2980AECF 2016-04-22
uid Oracle Corporation (VirtualBox archive signing key) <email address hidden>
sub 4096R/920E471F 2016-04-22
pub 4096R/D38B4796 2016-04-12
uid Google Inc. (Linux Packages Signing Authority) <email address hidden>
sub 4096R/640DB551 2016-04-12 [expires: 2019-04-12]
/etc/apt/
-------
pub 1024R/93D8809A 2011-03-16
uid Launchpad PPA for Martin Wimpress
/etc/apt/
-------
pub 1024R/ED8E640A 2013-05-20
uid Launchpad PPA for Doug McMahon
/etc/apt/
-------
pub 1024R/E4A4F4F4 2009-04-10
uid Launchpad PPA named smplayer for rvm
/etc/apt/
-------
pub 1024R/705C2B92 2013-11-07
uid Launchpad PPA for struktur AG
/etc/apt/
-------
pub 4096R/162506E7 2014-06-24
uid Launchpad PPA for Ubuntu MATE Remix Developers
/etc/apt/
-------
pub 4096R/162506E7 2014-06-24
uid Launchpad PPA for Ubuntu MATE Remix Developers
/etc/apt/
-------
pub 1024R/EEA14886 2010-05-04
uid Launchpad VLC
/etc/apt/
-------
pub 4096R/77C899CB 2015-11-21
uid Launchpad PPA for Wine
/etc/apt/
-------
pub 1024R/60D8DA0B 2010-12-27
uid Launchpad PPA for YannUbuntu
/etc/apt/
-------
pub 1024R/60D8DA0B 2010-12-27
uid Launchpad PPA for YannUbuntu
root@ubuntu:/# ls -l /var/lib/apt/lists/
total 149012
-rw-r--r-- 1 root root 9513 Jul 11 21:33 archive.
-rw-r--r-- 1 root root 4228 Jul 1 04:19 archive.
-rw-r--r-- 1 root root 6611 Jul 11 21:33 archive.
-rw-r--r-- 1 root root 11491 Jul 11 21:33 archive.
-rw-r--r-- 1 root root 18534 Jul 6 11:24 archive.
-rw-r--r-- 1 root root 3487 Aug 4 18:55 archive.
-rw-r--r-- 1 root root 29 Nov 22 2016 archive.
-rw-r--r-- 1 root root 13516 Apr 3 23:19 archive.
-rw-r--r-- 1 root root 9815 Jul 6 11:24 archive.
-rw-r--r-- 1 root root 162 Feb 2 2017 archive.
-rw-r--r-- 1 root root 29 Nov 23 2016 archive.
-rw-r--r-- 1 root root 102193 Aug 4 21:01 archive.
-rw-r--r-- 1 root root 193 May 20 2016 archive.
-rw-r--r-- 1 root root 24619 Aug 2 13:53 archive.
-rw-r--r-- 1 root root 4961 Aug 4 18:58 archive.
-rw-r--r-- 1 root root 2717 Aug 2 16:55 archive.
-rw-r--r-- 1 root root 9271 Jun 21 17:50 archive.
-rw-r--r-- 1 root root 13928 Aug 2 10:54 archive.
-rw-r--r-- 1 root root 7187961 Apr 21 2016 archive.
-rw-r--r-- 1 root root 732541 Apr 21 2016 archive.
-rw-r--r-- 1 root root 409405 Apr 21 2016 archive.
-rw-r--r-- 1 root root 3600400 Apr 21 2016 archive.
-rw-r--r-- 1 root root 4250708 Apr 21 2016 archive.
-rw-r--r-- 1 root root 668679 Apr 21 2016 archive.
-rw-r--r-- 1 root root 62389 Apr 21 2016 archive.
-rw-r--r-- 1 root root 229986 Apr 21 2016 archive.
-rw-r--r-- 1 root root 440098 Apr 21 2016 archive.
-rw-r--r-- 1 root root 727185 Apr 21 2016 archive.
-rw-r--r-- 1 root root 246846 Apr 22 2016 archive.
-rw-r--r-- 1 root root 128050 Apr 15 2016 archive.
-rw-r--r-- 1 root root 185 Apr 6 2016 archive.
-rw-r--r-- 1 root root 20517 Apr 15 2016 archive.
-rw-r--r-- 1 root root 23769 Apr 15 2016 archive.
-rw-r--r-- 1 root root 1937483 Aug 4 17:35 archive.
-rw-r--r-- 1 root root 79156 Aug 4 19:12 archive.
-rw-r--r-- 1 root root 54689 Aug 4 19:10 archive.
-rw-r--r-- 1 root root 1977441 Aug 4 16:51 archive.
-rw-r--r-- 1 root root 440681 Aug 4 16:51 archive.
-rw-r--r-- 1 root root 12874 Jul 12 01:25 archive.
-rw-r--r-- 1 root root 159 Feb 2 2017 archive.
-rw-r--r-- 1 root root 29 Nov 23 2016 archive.
-rw-r--r-- 1 root root 5086 Jan 24 2017 archive.
-rw-r--r-- 1 root root 2757 Jul 12 01:25 archive.
-rw-r--r-- 1 root root 102147 Aug 4 21:01 archive.
-rw-r--r-- 1 root root 101933 May 31 23:36 archive.
-rw-r--r-- 1 root root 199 Nov 3 2016 archive.
-rw-r--r-- 1 root root 16164 May 31 23:36 archive.
-rw-r--r-- 1 root root 12967 May 31 23:36 archive.
-rw-r--r-- 1 root root 749774 Aug 4 06:58 archive.
-rw-r--r-- 1 root root 53023 Aug 4 19:15 archive.
-rw-r--r-- 1 root root 58763 Aug 4 19:14 archive.
-rw-r--r-- 1 root root 558559 Aug 4 06:58 archive.
-rw-r--r-- 1 root root 155957 Aug 4 06:58 archive.
-rw-r--r-- 1 root root 41649086 Apr 22 2016 archive.
-rw-r--r-- 1 root root 3406988 Apr 21 2016 archive.
-rw-r--r-- 1 root root 7447772 Apr 21 2016 archive.
-rw-r--r-- 1 root root 23426103 Apr 21 2016 archive.
-rw-r--r-- 1 root root 35812491 Apr 22 2016 archive.
-rw-r--r-- 1 root root 3693990 Aug 4 17:52 archive.
-rw-r--r-- 1 root root 468221 Aug 4 19:19 archive.
-rw-r--r-- 1 root root 207159 Aug 4 19:17 archive.
-rw-r--r-- 1 root root 2832264 Aug 4 16:56 archive.
-rw-r--r-- 1 root root 1469622 Aug 4 16:56 archive.
-rw-r--r-- 1 root root 77553 Jul 27 02:38 archive.
-rw-r--r-- 1 root root 7615 Aug 4 19:26 archive.
-rw-r--r-- 1 root root 14333 Jul 14 01:16 archive.
-rw-r--r-- 1 root root 34537 Jul 27 02:38 archive.
-rw-r--r-- 1 root root 27886 Jul 27 02:38 archive.
-rw-r--r-- 1 root root 102145 Aug 4 21:01 archive.
-rw-r--r-- 1 root root 104003 Jul 19 00:31 archive.
-rw-r--r-- 1 root root 156 Feb 3 2016 archive.
-rw-r--r-- 1 root root 16516 Jun 1 00:42 archive.
-rw-r--r-- 1 root root 14353 Jul 18 22:20 archive.
-rw-r--r-- 1 root root 3245482 Aug 4 17:52 archive.
-rw-r--r-- 1 root root 223772 Aug 4 19:22 archive.
-rw-r--r-- 1 root root 214672 Aug 4 19:21 archive.
-rw-r--r-- 1 root root 1533898 Aug 4 08:09 archive.
-rw-r--r-- 1 root root 881684 Aug 4 10:44 archive.
-rw-r--r-- 1 root root 1597 Jul 18 22:30 dl.google.
-rw-r--r-- 1 root root 2136 Jul 18 22:30 dl.google.
-rw-r--r-- 1 root root 1193 Jun 21 2016 dl.google.
-rw-r--r-- 1 root root 2141 Jun 21 2016 dl.google.
-rw-r--r-- 1 root root 3571 Jul 27 20:32 download.
-rw-r--r-- 1 root root 7877 Jul 27 20:32 download.
-rw-r----- 1 root root 0 Aug 4 20:53 lock
drwx------ 2 _apt root 20480 Aug 4 21:08 partial
-rw-r--r-- 1 root root 665 Oct 31 2016 ppa.launchpad.
-rw-r--r-- 1 root root 959 Oct 31 2016 ppa.launchpad.
-rw-r--r-- 1 root root 1010 Oct 31 2016 ppa.launchpad.
-rw-r--r-- 1 root root 17540 Oct 31 2016 ppa.launchpad.
-rw-r--r-- 1 root root 949 Jul 22 15:25 ppa.launchpad.
-rw-r--r-- 1 root root 252 May 13 19:57 ppa.launchpad.
-rw-r--r-- 1 root root 1160 Jul 22 15:25 ppa.launchpad.
-rw-r--r-- 1 root root 18070 Jul 22 15:25 ppa.launchpad.
-rw-r--r-- 1 root root 10610 Mar 21 22:44 ppa.launchpad.
-rw-r--r-- 1 root root 7370 Apr 17 2016 ppa.launchpad.
-rw-r--r-- 1 root root 5405 Mar 21 22:15 ppa.launchpad.
-rw-r--r-- 1 root root 18064 Mar 21 22:44 ppa.launchpad.
-rw-r--r-- 1 root root 4872 Nov 18 2016 ppa.launchpad.
-rw-r--r-- 1 root root 5314 Apr 25 2016 ppa.launchpad.
-rw-r--r-- 1 root root 2342 Nov 18 2016 ppa.launchpad.
-rw-r--r-- 1 root root 17541 Nov 18 2016 ppa.launchpad.
root@ubuntu:/# sudo apt-get update
Get:1 http://
Ign:2 http://
Ign:3 http://
Get:4 http://
Ign:4 http://
Get:5 http://
Ign:5 http://
Get:6 http://
Hit:7 http://
Ign:6 http://
Hit:8 http://
Get:9 http://
Ign:9 http://
Get:10 http://
Ign:10 http://
Get:11 http://
Ign:11 http://
Get:12 http://
Ign:12 http://
Get:13 http://
Ign:13 http://
Ign:1 http://
Get:14 http://
Ign:14 http://
Get:15 http://
Ign:15 http://
Get:16 http://
Ign:16 http://
Fetched 646 kB in 4s (159 kB/s)
Reading package lists... Done
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
W: GPG error: http://
W: The repository 'http://
N: Data from such a repository can't be authenticated and is therefore potentially dangerous to use.
N: See apt-secure(8) manpage for repository creation and user configuration details.
root@ubuntu:/# 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:
linux-
linux-
linux-
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@ubuntu:/# 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:
linux-
linux-
linux-
Use 'sudo apt autoremove' to remove them.
0 upgraded, 0 newly installed, 0 to remove and 0 not upgraded.
root@ubuntu:/# gpg2 --version
gpg (GnuPG) 2.1.11
libgcrypt 1.6.5
Copyright (C) 2016 Free Software Foundation, Inc.
License GPLv3+: GNU GPL version 3 or later <http://
This is free software: you are free to change and redistribute it.
There is NO WARRANTY, to the extent permitted by law.
Home: ~/.gnupg
Supported algorithms:
Pubkey: RSA, ELG, DSA, ECDH, ECDSA, EDDSA
Cipher: IDEA, 3DES, CAST5, BLOWFISH, AES, AES192, AES256, TWOFISH,
Hash: SHA1, RIPEMD160, SHA256, SHA384, SHA512, SHA224
Compression: Uncompressed, ZIP, ZLIB, BZIP2
Question information
- Language:
- English Edit question
- Status:
- Solved
- For:
- Ubuntu Edit question
- Assignee:
- No assignee Edit question
- Solved by:
- surendra
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