• dpkg --print-architecture
• uname -a

• cat /etc/issue
• lsb_release -a

apt-cache rdepends --installed $package

• apt --fix-broken install
• apt-get -f install
• dpkg --force-all --configure -a
• dpkg --purge --force-depends xxxxxxxxxx

• renaming videos properly with year etc : mnamer

• get back old menu on old Apps with adb : adb shell input keyevent 82

• great ebook-reader on Linux : foliate , much better than e.g. fbreader

• great markdown-editor on Linux : apostrophe

docker ps

docker ps --all

docker rm <container-id>

docker image rm <image-id>