Some useful bash one liners
print interfaces
ip route list scope link | awk '{print $3}'
print connected networks
ip route list scope link | awk '{print $1}'
print both
ip route list scope link | awk '{print $3,$1}'
use it in a loop and figure out what network driver we’re using
for INTERFACE in $(ip route list scope link | awk '{print $3}'); do echo ${INTERFACE} ;ethtool --driver ${INTERFACE} | grep driver | awk '{print $2}' ;done
delete files in /dir/ older than a year
find /dir/ -mtime +365 -exec rm -v {} \;