problem with the ubuntu 18.04
by prajit from LinuxQuestions.org on (#52CT1)
problem 1
when ever i use update command it shows
N: Ignoring file 'some-ppa.list.save.3' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.4' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.2' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.5' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
problem 2
later there was login loop problem so i created another user .This user running in test .
mynewuser is not in the sudoers file. This incident will be reported.
problem 3
how can i take back my old files and folder .Now the old user login iam not seeing the user.


when ever i use update command it shows
N: Ignoring file 'some-ppa.list.save.3' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.1' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.4' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.2' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
N: Ignoring file 'some-ppa.list.save.5' in directory '/etc/apt/sources.list.d/' as it has an invalid filename extension
problem 2
later there was login loop problem so i created another user .This user running in test .
mynewuser is not in the sudoers file. This incident will be reported.
problem 3
how can i take back my old files and folder .Now the old user login iam not seeing the user.