find /path/to/files* -mtime +5 -exec rm {} \;

Bash scripting cheatsheet

new bash Linux Cheatsheet Wallpaper

• find packages installed asterisk15 and prepare the cmd for asterisk16 installation

opkg list_installed | grep asterisk | awk '{print $1}' | sed 's/^/opkg install /' | sed 's/asterisk15/asterisk16/'