“Unable to locate package” while trying to install packages with APT

When I try to install any package through the command line, I get an error E: Unable to locate package composer. Error :- Solutions:- Now installed successfully.

ERROR: Couldn’t determine iptables version

In this tutorial im going to solve this error ERROR: Couldn’t determine iptables version. Error : – Solution:- If the iptables command is not installed, you can…