It is possible to add custom http header to request made by the docker CLI client. This can be used...
When setting up cronjobs, commands somtimes output something every time. If these commands don't support limiting their output to...
The general purpose T instance types are a good starting point. But depending on the CPU utilization of your workload...
Canonical does not ship Ubuntu 24.04+ Vagrant images due to HashiCorps switch to the Business Source License (BSL). There is...
There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...
Add apt source: apt update -y && apt install -y gpg sudo wget curl sudo install -dm 755 /etc/apt/keyrings
If you want someone to be able to access your rails console, but don't want them to be able...
If you want to find out what type of network card is used for a given network interface on a...
When you are using PgBouncer with e.g. a Ruby on Rails application which uses different application_names for the PostgreSQL...
If your US-ANSI keyboard supports VIA you can use it to create macros for the German Umlauts. All Keychron...
jq is great when dealing with JSON data. Check out the official jq Manual. Content Select only specific keys
It happens from time to time that a job in a GitLab pipeline fails. Sometimes, however, the error message is...
Wondering what these numbers in the mount entries in /etc/fstab are meaning? The first number fs_freq When this field...
You can use pg_repack to do a VACUUM FULL without holding an exclusive lock during processing. There is still...
Apply Test Driven Development(TDD) to the process of building container images by defining test before writing code and automate...
Creating Nagios Config with puppet Let's have a look at the classic way of managing Nagios configuration with exported...
If you want to automatically delete old container images from your Elastic Container Registry, the solution is a quite simple...
There is a gem puppet-ghostbuster which can help you find dead code in puppet projects. To use it, (as...
It's not possible to change the bwlimit of Proxmox storages via the Web-UI (at least in Proxmox 7...
Terraform (and terragrunt) gives a lot of output when running plan or apply, outputting a lot of progress information when...
Attention This is an edge-case. You probably don't want to mix different database dumps. It also requires that...
It's quite confusing how many external displays are usable with a MacBook that uses an M1 or M2 Chip...
Intel CPUs receive updates, including security relevant upgrades, through 2 channels: Firmware/UEFI BIOS updates can also update the microcode in...
When using tmux, selecting and copying multiple lines of text can be a hassle, especially when using splits (highlighting lines...