Apt-get could not open lock - permanently
728
Unable to lock the administration directory (/var/lib/dpkg/) is another process using it?
145400
Error when trying sudo apt-get update - Python related?
83924
error while trying to sudo apt-get update GPG, no sign repository
2497
Why does apt-get abort by itself, as though I'd pressed 'N'?
28784
How can I lock down ubuntu?
146117
Update locked within terminal
93020
What process created the /var/lib/dpkg/lock-frontend file in Ubuntu?
23286
dpkg: error: dpkg status database is locked by another process
13399
Why can I no longer (un)install packages via apt-get after doing a partial dist-upgrade?
23303
How can I solve "Be aware that removing the lock file is not a solution and may break your system"?
121462
Fixing a broken packet system (apt-get)
156977
Unable to install files with apt-get: "unable to locate package"
84309
How to resolve E: Internal Error when using apt-get remove?
33328
apt-get stuck at 0 [Connecting to us.archive.ubuntu.com]
72142
How to install a package with apt without the "Do you want to continue [Y/n]?" prompt?
76883
How can I remove gpg key that I added using apt-key add -?
73068
cant install or remove anything on 18.04 cause of DPKG error