Apt-get failed to update on 12.10
1520
How to install software or upgrade from an old unsupported release?
27769
Problem with IPv6 sudo apt-get update/upgrade
95593
sudo apt-get update returns an error
122742
Why does apt-get install a newer dependency than supported by the specified package
123413
Will apt-get dist-upgrade upgrade my system to a newer version?
65099
Unable to install any updates through update manager/apt-get upgrade
84988
apt-get build-dep is unable to find a source package
91491
How can I get "delta" packages to optimize apt-get upgrade downloads?
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
157289
Why use apt-get upgrade instead of apt-get dist-upgrade?
60351
How can I update to a newer version of Git using apt-get?
105770
Cannot use apt-get/dpkg -- Input/output error
13744
sudo apt-get update failing - "could not open" list file due to "permission denied"
74227
dpkg error when using apt-get install
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
21184
Running "sudo apt-get update" returns connection errors
24603
apt-get upgrade gives "403 forbidden" error