When I run
sudo apt-get install update && sudo apt-get install upgrade, I am getting these errors:
E: Unable to locate package update E: Unable to locate package upgrade
When I try to run
sudo apt-get update && sudo apt-get upgrade, it looks it works but it still giving that kinda error :
Reading package lists... Done N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://downloads.mariadb.com/MariaDB/mariadb-10.4/repo/ubuntu bionic InRelease' doesn't support architecture 'i386' E: The repository 'http://ppa.launchpad.net/paolorotolo/android-studio/ubuntu bionic Release' does not have a Release file. N: Updating from such a repository can't be done securely, and is therefore disabled by default. N: See apt-secure(8) manpage for repository creation and user configuration details. N: Skipping acquire of configured file 'main/binary-i386/Packages' as repository 'http://downloads.mariadb.com/Tools/ubuntu bionic InRelease' doesn't support architecture 'i386'