Unable to install Lyx via ppa
6809
How do I fix the GPG error "NO_PUBKEY"?
109885
How do I install PowerShell?
16186
Requires installation of untrusted packages?
105559
HPLIP Driver install fails on Ubuntu 20.04
47794
Nvidia driver 410 listed by ppa and ubuntu-drivers but does not seem to be installable via apt
58692
How to use LyX to create PDF file from the command line
28403
How do I install nVidia graphics drivers from “X-Swat” ppa?
155892
Error installing xsane, sane, hplip, etc with undefined symbol: libusb_set_option error
15183
Elementary OS PPA gives “The repository does not have a Release file.” error
109277
Can't Add ppa:x2go/stable
121740
Why Oracle discontinued Oracle Java (JDK) Installer PPA?
107786
PPA error while installing Albert application launcher in Ubuntu 18.04
48418
W: GPG error: http://ppa.launchpad.net precise Release: The following signatures couldn't be verified because the public key is not available:
74185
How can I add a PPA from a previous release?
36332
Can a deb package contain a PPA dependency and install packages from the PPA?
91214
How to install managed package using Salesforce DX CLI?
1833
14.04 Cleanly upgrade to ppa:ondrej/php from ppa:ondrej/php5-5.6