Ubuntu 18.04 "sudo apt update" not working. Getting a lot of "Target packages is configured multiple times"
991
How can I fix apt error "W: Target Packages ... is configured multiple times"?
152823
PPAs will not install "sudo: add-apt-repository: command not found"
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
84803
sudo apt get update gives error - The package cache file is corrupted
22164
Problem with sudo apt get update: The repository cdrom... does not have a Release file
73053
Unable to lock the administration directory (/var/lib/dpkg/), are you root?
95593
sudo apt-get update returns an error
135393
Why does Ubuntu Software Center not show every package available?
17208
What does this apt error message ("Download is performed unsandboxed as root...") mean?
107009
ubuntu 18.04 apt-get upgrade problem "redirection loop encountered."
113145
What does 'apt-get install update' do?
157396
Dependencies still exist in "dpkg -l" after running "apt-get remove dependencies-names"
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
44683
Problem with sudo apt update in Ubuntu 18.04: Post-Invoke-Success if /usr/bin/test -w /var/lib/command-not-found/
151509
How to fix error W: Target Packages (main/binary-amd64/Packages) is configured multiple times in my sources.list file?
43579
I cannot install new packages: "Could not get lock /var/lib/dpkg/lock"
73068
cant install or remove anything on 18.04 cause of DPKG error