unable to install from canonical partners after update
6809
How do I fix the GPG error "NO_PUBKEY"?
109539
How can I perform an offline upgrade using Ubiquity on the installation disc?
93956
How to contact Canonical?
109277
Can't Add ppa:x2go/stable
93942
How to fix "Failed to download repository information" error while updating?
86777
Distribution upgrade problem "No new release found"
339
How to resolve "Failed to download repository information"?
76905
Failure [INSTALL_FAILED_ALREADY_EXISTS] when I tried to update my application
1632
How do I fix a "Failed to download package files" error?
158683
apt-get update failed because certificate verification failed because handshake failed on nodesource
111161
Unable to install software packages using Home Brew
20398
dpkg broken after 15.04 upgrade fail
140470
How do I update kernel to the latest mainline version?
74763
Unmet dependencies. Try 'apt --fix-broken install' with no packages (or specify a solution)
80899
"no public key available" on apt-get update
6173
"method driver /usr/lib/apt/methods/https could not be found" update error
156977
Unable to install files with apt-get: "unable to locate package"