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...

There are different kind of memory measurement metrics in Linux. These are the differences: Code Name Description vsz virtual memory...

If you want someone to be able to access your rails console, but don't want them to be able...

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...

There is a gem puppet-ghostbuster which can help you find dead code in puppet projects. To use it, (as...

It's quite confusing how many external displays are usable with a MacBook that uses an M1 or M2 Chip...

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

In Puppet, there are some differences between defined and function types when it comes to code encapsulation. In most cases...

If the project you're working on has, say, 39 repositories and counting in GitLab and you need all the...

Instead of using Puppet exported resources you can use the puppetdb_query feature. This can result in more complex code...

How can I configure virtual IP's? There are two parameter to set up virtual ips in Keepalived: virtual_ipaddress...

If you're deploying code for your lambda function via terraform, this code is usually zipped and uploaded to Amazon...

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

Sometimes you might need to do some task in GitLab which would be tedious if you'd have to do...

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