error

i am new here and i need help.its unable to install update because error message: A error occured, please run package menager from the right click menu or apt-get om a terminal to see what is wrong. The error message was' Error:opening the cache(E:type:www.rtklive/lajmet' is not known on line 37 in source list /etc/apt/sources.list,E:The list of sources could not be read). what shal i do i cant open the repositories dialogue even add and remove application .

Hi !

It seems like you tried to add a repository and messed things up. Not a big deal anyway.

Please post here the output of the command

cat /etc/apt/sources.list

please i dont know where do i get output of the command cat/etc/apt/sources.list

please i dont know where do i get output of the command cat/etc/apt/sources.list

avni@ubuntu:~$ apt-get
apt 0.6.43.3ubuntu3 for linux i386 compiled on Jan 30 2007 10:50:14
Usage: apt-get [options] command
       apt-get [options] install|remove pkg1 [pkg2 ...]
       apt-get [options] source pkg1 [pkg2 ...]

apt-get is a simple command line interface for downloading and
installing packages. The most frequently used commands are update
and install.

Commands:
   update - Retrieve new lists of packages
   upgrade - Perform an upgrade
   install - Install new packages (pkg is libc6 not libc6.deb)
   remove - Remove packages
   source - Download source archives
   build-dep - Configure build-dependencies for source packages
   dist-upgrade - Distribution upgrade, see apt-get(8)
   dselect-upgrade - Follow dselect selections
   clean - Erase downloaded archive files
   autoclean - Erase old downloaded archive files
   check - Verify that there are no broken dependencies

Options:
Options:
  -h This help text.
  -q Loggable output - no progress indicator
  -qq No output except for errors
  -d Download only - do NOT install or unpack archives
  -s No-act. Perform ordering simulation
  -y Assume Yes to all queries and do not prompt
  -f Attempt to continue if the integrity check fails
  -m Attempt to continue if archives are unlocatable
  -u Show a list of upgraded packages as well
  -b Build the source package after fetching it
  -V Show verbose version numbers
  -c=? Read this configuration file
  -o=? Set an arbitrary configuration option, eg -o dir::cache=/tmp
See the apt-get(8), sources.list(5) and apt.conf(5) manual
pages for more information and options.
                       This APT has Super Cow Powers.
avni@ubuntu:~$

www.rtklive/lajmet
deb http://archive.ubuntu.com/ubuntu/ dapper-security main restricted
//archive.ubuntu.com/ubuntu

/etc/apt/sources.list

deb http://archive.ubuntu.com/ubuntu/ dapper-updates main restricted

avni@ubuntu:~$

You must dress your /etc/apt/sources.list

Please open a Terminal from the menu Applications->Accessories->Terminal and type:

sudo gedit /etc/apt/sources.list

give your user password when requested, you don't see nothing when you type it, then press enter.

Copy and paste the rows below into that file, then save and exit:

#
# deb cdrom:[Ubuntu 6.06 _Dapper Drake_ - Alpha i386 (20060510)]/ dapper main restricted

#deb cdrom:[Ubuntu 6.06 _Dapper Drake_ - Alpha i386 (20060510)]/ dapper main restricted

deb http://archive.ubuntu.com/ubuntu/ dapper main restricted
deb-src http://archive.ubuntu.com/ubuntu/ dapper main restricted

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

## Uncomment the following two lines to add software from the 'universe'
## repository.
## 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 http://archive.ubuntu.com/ubuntu/ dapper universe
# deb-src http://archive.ubuntu.com/ubuntu/ dapper universe

## Uncomment the following two lines to add software from the 'backports'
## repository.
## 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/ dapper-backports main restricted universe multiverse
# deb-src http://archive.ubuntu.com/ubuntu/ dapper-backports main restricted universe multiverse

deb http://security.ubuntu.com/ubuntu dapper-security main restricted
deb-src http://security.ubuntu.com/ubuntu dapper-security main restricted
deb http://security.ubuntu.com/ubuntu dapper-security universe
deb-src http://security.ubuntu.com/ubuntu dapper-security universe