cannot install and update pi-hole in ubuntu
25001
E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update
121873
sudo apt-offline install not updating
102559
How to install package from newer distribution?
6809
How do I fix the GPG error "NO_PUBKEY"?
94986
Connection Refused while apt-get update ubuntu 18.04 over proxy
30571
E: Package 'libpng12-0' has no installation candidate [ubuntu 16.10 Gnome]
83960
How do I change my update server in Ubuntu 18.04?
99687
update-alternatives --install says it needs link name path priority?
17645
Unable to upgrade pip
133
How can I fix a 404 Error when using a PPA or updating my package lists?
100494
Update Manager asking me to update kernel but apt-get upgrade does not?
16578
How to upgrade a single package using apt-get?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
113379
Updating the repository isn't working
153142
Cannot run apt update in a Debian docker container
13832
How to update Ubuntu terminal?
140893
Error when using apt-get update