It is possible to add custom http header to request made by the docker CLI client. This can be used...
Canonical does not ship Ubuntu 24.04+ Vagrant images due to HashiCorps switch to the Business Source License (BSL). There is...
Ever needed to migrate data between Redis instances? Give RIOT - Redis Input/Output Tools a try. It supports migration to different...
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
It happens from time to time that a job in a GitLab pipeline fails. Sometimes, however, the error message is...
Short hint: If you want to push to a git repository that has CI configured, you can skip the CI...
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...
There is a gem puppet-ghostbuster which can help you find dead code in puppet projects. To use it, (as...
Intel CPUs receive updates, including security relevant upgrades, through 2 channels: Firmware/UEFI BIOS updates can also update the microcode in...
When you're using a third party repository on your Ubuntu or Debian system and need to find out which...
We recently encountered a problem with GlusterFS (7.x) when an application used the flock syscall on a GlusterFS path...
A lot of web applications require being called over https, which is a good thing. It's possible to configure...
A severe bug was found in ImageMagick by Bryan Gonzalez from Ocelot Team. It allows to embed the content of...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
If you have for e.g. a Java application which outputs multiline stack traces inside a container running in kubernetes you...
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?
When changing the glibc version, it's possible that the upgrade also includes changes to how locales work.
The Oracle mysql client has an odd behavior if your server uses latin1 as default character-set-server. Command
If you use third party APT sources you might end up with unmaintained packages after removing the external source or...
If the project you're working on has, say, 39 repositories and counting in GitLab and you need all the...
If you get an error message like this: You have already activated some-gem 1.2.3, but your Gemfile requires some...