PPA 404 error upon apt-get update? (related to php7)
133
How can I fix a 404 Error when using a PPA or updating my package lists?
93942
How to fix "Failed to download repository information" error while updating?
157289
Why use apt-get upgrade instead of apt-get dist-upgrade?
156977
Unable to install files with apt-get: "unable to locate package"
95593
sudo apt-get update returns an error
13255
How can one run multiple versions of PHP 5.x on a development LAMP server?
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
21382
What does "sudo apt-get update" do?
16578
How to upgrade a single package using apt-get?
18622
How do I install a different Python version using apt-get?
113145
What does 'apt-get install update' do?
49149
How do I solve "Unable to fetch some archives, maybe run apt-get update or try with --fix-missing" error?
25001
E: Problem executing scripts APT Update::Post-Invoke-Success error during apt-get update
39053
16.04 apt-get update hangs
99687
update-alternatives --install says it needs link name path priority?
24603
apt-get upgrade gives "403 forbidden" error
3298
How do I resolve unmet dependencies after adding a PPA?