Issue in updating the package /etc/apt/sources.list
120
How do I restore the default repositories?
132933
Is there a tool to update my PPA sources.list entries after upgrading?
122742
Why does apt-get install a newer dependency than supported by the specified package
135575
How to fix a "Failed to fetch binary-armhf/Packages" error during apt-get update?
113145
What does 'apt-get install update' do?
96767
How to find the number of packages needing update from the command line?
117623
Why do I need root-privileges to update my package manager's package list?
94171
Why Does Software Updater Say No updates Available, but apt-get upgrade Shows updates available?
21382
What does "sudo apt-get update" do?
30588
Unable to locate package
34529
Files list file for package missing -- dpkg warning
93942
How to fix "Failed to download repository information" error while updating?
56150
Can't upgrade/update ubuntu 18.04 as apt/dpkg error is showing up
11671
"Unable to locate package" while trying to install packages with APT
149428
How do I refresh the package list?
123083
sources.list file missing
30754
Cannot update: "No available releases found"