Revert date on files

Okay, NTP didn’t work as expected on a linux box that save images off a webcam. After a power-loss the date setting was not correctly set and this wasn’t corrected until a couple of hours had passed by. In the mean time, alot of images from the webcam had been saved with wrong date setting [...]

Useful bash commands

It’s not always easy to remember the commands used for a special task if performed once a year.
Below I have gathered a few such commands that may be of interest in the future too.
1. Sending mail with/without attachment.

:~$ echo "message body" | mail -s "my subject" user@mail

:~$ echo "message body" | mutt -s "my subject" [...]