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Category: How Tos

btrfs raid1 to combine two separate partitions

A btrfs raid1 means mirroring all data and meta data on file system level. If you ever found some of your data lost after a btrfs scrub, you might know this output:

If you happen to have free space on a spare disk left, you can circumvent these problems via a btrfs raid1 on filesystem level. The following article will help you migrate.

Guacamole Liberty Profile Stack on systemd

If you are using Apache Guacamole to access your computers via VNC, RDP or SSH, you might be interested on how to run this web application (war file) as Guacamole Liberty Profile Stack (i.e. on IBM Websphere Liberty Profile). Additionally, you can start the IBM server with systemd to see the console logs in journalctl. Although Liberty Profile is a licenced and proprietary product by IBM, it is free of charge for non-production purposes and development.

WordPress: Bruteforce-Defence using .htaccess

Everyone owning a wordpress installation will know plugins like LoginSecuritySolution, which will send emails in case of ongoing brute force attacks. The problem is that your login names are not being hidden from attackers. But with a simple .htaccess modification you can protect your blog from these kind of attacks easily. The following recommendations are neither complete nor bullet-proof, but will allow to block about 98% of the most common attacks. All you need to do is to modify your .htaccess file slightly.

Polizeiabsperrung - Karl-Heinz Laube / pixelio.de
Polizeiabsperrung – Karl-Heinz Laube / pixelio.de