Error: opening temporary files (E: can not open / var / lib / apt / lists / by.archive.ubuntu.com_ubuntu_dists_focal_InRelease fopen (13: Permission denied), E: The package lists or status file could not be parsed or opened.) "
HOW TO CLEAR THE ERROR?
Ubuntu 20.04 is not updating due installedpackages have unmet dependencies ON THE LINK DID, DO NOT HELP
sudo
command. – Jos Sep 26 '21 at 12:59sudo apt-get update
and add its output to the question. – N0rbert Sep 26 '21 at 14:04