As sudo add-apt-repository -r ppa:morphis/anbox-support
didn't work I listed all sources with ls -al /etc/apt/sources.list.d
:
drwxr-xr-x 2 root root 4096 Mar 21 10:57 ./
drwxr-xr-x 8 root root 4096 Mar 21 14:00 ../
-rw-r--r-- 1 root root 112 Mar 21 10:57 docker.list
-rw-r--r-- 1 root root 112 Mar 21 10:57 docker.list.save
-rw-r--r-- 1 root root 189 Mar 21 10:57 google-chrome.list
-rw-r--r-- 1 root root 189 Mar 21 10:57 google-chrome.list.save
-rw-r--r-- 1 root root 142 Mar 21 10:57 graphics-drivers-ubuntu-ppa-focal.list
-rw-r--r-- 1 root root 142 Mar 21 10:57 graphics-drivers-ubuntu-ppa-focal.list.save
-rw-r--r-- 1 root root 144 Mar 21 10:57 morphis-ubuntu-anbox-support-focal.list
-rw-r--r-- 1 root root 144 Mar 21 10:57 morphis-ubuntu-anbox-support-focal.list.save
-rw-r--r-- 1 root root 89 Mar 21 10:57 mssql-release.list
-rw-r--r-- 1 root root 89 Mar 21 10:57 mssql-release.list.save
-rw-r--r-- 1 root root 122 Mar 21 10:57 ondrej-ubuntu-php-focal.list
-rw-r--r-- 1 root root 122 Mar 21 10:57 ondrej-ubuntu-php-focal.list.save
-rw-r--r-- 1 root root 50 Mar 21 10:57 symfony-cli.list
-rw-r--r-- 1 root root 50 Mar 21 10:57 symfony-cli.list.save
-rw-r--r-- 1 root root 1255 Mar 21 10:57 teamviewer.list
-rw-r--r-- 1 root root 1255 Mar 21 10:57 teamviewer.list.save
and I manually deleted morphis-ubuntu-anbox-support-focal.list
and morphis-ubuntu-anbox-support-focal.list.save
:
sudo rm morphis-ubuntu-anbox-support-focal.list
sudo rm morphis-ubuntu-anbox-support-focal.list.save
Now everything works fine