error log from apt command
~# apt upgrade
E: Could not get lock /var/lib/dpkg/lock - open (11: Resource temporarily unavailable)
E: Unable to lock the administration directory (/var/lib/dpkg/), is another process using it?
check proses apt with command ps -A | grep apt
~# ps -A | grep apt
4837 ? 00:00:06 apt
If you can see the proses and next step kill
~# kill -9 4837