Remove old Linux Kernels (Ubuntu 13.04)
dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge

seen from Germany
seen from United Kingdom

seen from United States

seen from United States
seen from China
seen from China
seen from Paraguay
seen from Guatemala
seen from Japan
seen from China

seen from France
seen from United States

seen from Türkiye
seen from Austria
seen from Türkiye
seen from China

seen from Austria
seen from United States

seen from United States

seen from Türkiye
Remove old Linux Kernels (Ubuntu 13.04)
dpkg -l 'linux-*' | sed '/^ii/!d;/'"$(uname -r | sed "s/\(.*\)-\([^0-9]\+\)/\1/")"'/d;s/^[^ ]* [^ ]* \([^ ]*\).*/\1/;/[0-9]/!d' | xargs sudo apt-get -y purge