While in Terminal, going back to the previous directory can be done with the classic cd ..But there’s another way. make an alias of you choice for cd $OLDPWD, like this: alias cdo=’cd $OLDPWD’ Now every time you’ll tipe cdo you’ll be taken to the previous directory you were in. This is very useful when… Read More »
If you are an administrator and have users on your server, keeping files with limited permissions should be a priority. To seek out all world-writable files on your machine, do a simple find / -perm -2 ! -type l -ls
It’s easy to find out when were the last 30+ times you rebooted your Linux PC. Do a last reboot to get a list of exact dates: reboot system boot 2.6.27-7-generic Tue Nov 25 09:12 – 11:17 (02:04) reboot system boot 2.6.27-7-generic Mon Nov 24 15:54 – 01:06 (09:11) reboot system boot 2.6.27-7-generic Mon Nov… Read More »
Do you by any chance wish to modify the behavior of Ctrl+Alt+Delete? Change the following line in /etc/inittab: ca:12345:ctrlaltdel:/sbin/shutdown -t1 -a -r now Comment it out with # to disable Ctrl+Alt+Del altogether or replace the /sbin/shutdown -t1 -a -r now part with a command of your choice. This way you can first unmount NAS shares… Read More »