Can confirm that this is reproducible with the standard Ubuntu session
in 18.04.01 and 18.10, tested both with the vanilla install with no
updates and also fully updated.
However, notice a few things:
- If you repeatedly click the checkbox it will sometimes trigger the
authentication window
- The
Public bug reported:
Reproduce:
- Open "Software & Updates"
- Select the tab "Ubuntu Software"
- Click on one of the checkboxes under "Installable from CD-ROM/DVD"
- If you are asked for authentication, cancel out of the window and try
clicking on the checkbox again
Observe that you are not alwa
Public bug reported:
If a user try to install for example Gimp with "apt install gimp"
(without sudo) he will be met with these errors:
E: Could not open lock file /var/lib/dpkg/lock - open (13: Permission denied)
E: Unable to lock the administration directory (/var/lib/dpkg/), are you root?
If
Occured here today. Running this simple command to remove old kernels
and unused packages worked around the issue:
sudo apt-get autoremove --purge
Alternatively, and to be able to remove even manually installed kernels, you
could use:
sudo purge-old-kernels
To be able to use purge-old-kernels
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