Blog Archives

Command Keypad

ctrl_klein

If have to admit, the idea of having some small physical keyboard to bind arbitrary commands to control my Raspberry Pi came up long time ago. After that I learned that you could control the Kodi media center running on that

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Script: notify by e-mail before running out of disk space

I just wanted to share another useful script, that can be run as a cronjob and send a warning notification via e-mail if your disk is running out of space. You may check it out on pastebin. It is supposed

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Management of ProFTPD users with kolab-webadmin

ProFTPD is a versatile ftp server. I recently integrated it in my Kolab 3.3 server environment, so that user access be can easily organized by the standard kolab-webadmin. The design looks as follows: Kolab users are be able to login

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Record two audio sources simultaneously

Have you ever wanted to record microphone sources seperately and had no mixer deck at hand? Here is an interactive bash script that uses pulseaudio to combine two hardware-sources (sinks are also possible) as left and right channel of a

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Posted in Linux, Musik, Technik

upstart or systemd in ubuntu 14.04? both?!

Yesterday I updated my ubuntu machine from 12.04 to 14.04 codename trusty (still beta). Everything went fine, except that I had to remove grub again after the update, because I use gummiboot for uefi boot, minor problem. However, after the

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change background globally

The next script of my self-made lightweight openbox desktop that I share is change_background.sh. It is designed to change the background of both, the user desktop (with feh), the login screen of different display managers (lxdm, SLiM and GDM) and also

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recent birthdays script

Since a very long time I have used conky to display things on my desktop. For getting birthday notifications I today share a small script called print_birthdays.sh, that outputs recent birthdays that were filtered from a text file with many

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Fighting spam with amavis

Recently I set up a spam-filter for my Kolab 3.0 server system. There are plenty of how-tos out there, so I only highlight some bits of my setup. Since I’m running Kolab on Ubuntu Server 12.04 (always use LTS for

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simple battery_warning script

I want to share another script which I created to notify me if my laptops battery is getting low and shut down the system if it gets too critical. Here it is on pastbin. I personally run this on from

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notify-send-broadcast

Because I wanted me to receive graphical notifications from the scripts laptop-mode-tools a while ago I searched the net an found some solutions, e. g. here or here, which enabled me two write a script to make this possible. This

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