With Ubuntu 24.04 it's not longer possible to setup FDE with BTRFS The new installer won't offer you...

When setting up cronjobs, commands somtimes output something every time. If these commands don't support limiting their output to...

Ever needed to migrate data between Redis instances? Give RIOT - Redis Input/Output Tools a try. It supports migration to different...

jq is great when dealing with JSON data. Check out the official jq Manual. Content Select only specific keys

Wondering what these numbers in the mount entries in /etc/fstab are meaning? The first number fs_freq When this field...

Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...

A lot of web applications require being called over https, which is a good thing. It's possible to configure...

It is a good idea to use named variables for storing parameters of a script or function. We can use...

A severe bug was found in ImageMagick by Bryan Gonzalez from Ocelot Team. It allows to embed the content of...

We had a strange behaviour on one of our mariadb-servers: Everyday at around midnight we saw that the root...

When changing glibc versions, it's possible to end up with corrupt indexes in PostgreSQL. Are My Indexes Affected?

The owner of a scheduled CI/CD pipeline in GitLab will always be notified if the pipeline fails. Follow these steps...

If you end up with an Elasticsearch cluster which has a very different disk usage on it's nodes you...

There are two ways within systemd to manage the fact that you need the gluster service active before mounting the...

If you have a single node elasticsearch instance and indices with replicas enabled your cluster state will be yellow. If...

With passenger-status --show=requests you can get a huge JSON showing current information about the running passenger processes.

This card is just about creating simple PostgreSQL dumps. This is no instruction for a backup strategy nor a guide...

Hint This applies only to distributions based on Debian. Requirement You need to setup the PostgreSQL Apt Repository first.

on the bash (issued as postgres user) Start/Stop/Restart PostgreSQL pg_ctl -D $configdir start|stop|restart Start/Stop/Restart the corresponding PostgreSQL...

Hint You're not able to control which redis replica will chosen for the failover. Connect to your sentinel instance...

If you want to perform a failover on another haproxy backend server this is the way you should do it...

Bash stores the exitcodestatus of piped commands in the environment variable PIPESTATUS So you can just echo ${PIPESTATUS[@]} to get...

Create a 1 GB file to swap to (we have sufficient space on / on this machine. Use a different partition...