Linux, Nginx, ZFS, PHP-FPM and systems howtos
Updated August 2026: Running php-fpm pools under dedicated users/umask is still best practice. The same idea applies to PHP 8.x pools (including 8.3–8.5): one pool per site, correct listen.owner/listen.group, and a real umask in the...
Polling Observium Unix agent with SSH In this How-To i will tell you how to receive the polling data from the UNIX agent: observium_agent over SSH. Especially if you need to monitor remote machines...
Downgrade from Debian SID to Stable from Jessie to Wheezy Downgrade from Debian SID to Stable from Jessie to Wheezy. This Tutorial describes the downgrade process you need to run to ge back stable rel...
Updated August 2026: LVM on top of ZFS is still an unusual but workable compromise when a consumer only speaks LVM/iSCSI. Be careful with alignment, ashift, and double caching. On modern kernels, confirm ZoL +...
Shared apt cache using apt-cacher-ng In this short how-to i will describe how to use Shared apt cache using apt-cacher-ng. With the use of apt-cacher-ng you can safe a lot traffic since it acts like...
