While working on a Rails application, your code base will grow a collection of different file types including: Ruby (business...
How can I configure virtual IP's? There are two parameter to set up virtual ips in Keepalived: virtual_ipaddress...
You can use the code below to check whether the browser can make connections to the current site: await isOnline...
It might sometimes be useful to check whether your Rails application accesses the file system unnecessarily, for example if your...
I recently had the problem that embedded code boxes crashed my layout. It turned out that pres break out of...
Der Begriff systemd wird immer umfassender da es sich nicht mehr (wie ursprünglich) nur um ein init Systemd handelt, sondern...
When you are working with SVG files and ImageMagick you can get different results on different machines depending on which...
If you're deploying code for your lambda function via terraform, this code is usually zipped and uploaded to Amazon...
AWS ist der meist genutzte Cloud Provider. Bei AWS gibt es extrem viele Themengebiete und es ist nicht möglich sich...
Vor 20 Jahren begann der große Durchbruch der Virtualisierung. Heute sind virtuelle Server kaum noch wegzudenken, da diese eine deutlich...
Wir arbeiten bei makandra alle auf Linux-Betriebssystemen und bedienen im DevOps- & Cloud-Bereich primär Kunden, die ebenfalls auf Linux...
Sometimes you need to access a dev server running on localhost from another machine that is not part of the...
The Interactive Advertising Bureau (IAB) is a European marketing association which has introduced a standard how advertising can be served...
I sometimes had the issue that I received an error when starting an existing vagrant box with vagrant up:
A flaky test is a test that is often green, but sometimes red. It may only fail on some PCs...
Besides their default styling properties, HTML elements have a semantic meaning. For example, an h1 tag is usually styled with...
Bookmarks for directories will be most helpful if you are forced to work in deeply nested projects. Then it's...
With cd .. you can navigate one directory up from the one you are at now. If you use that a...
The tree command will show you the contents of a directory and all its sub directories as a tree:
There is an option you can set so that when using the cd command, small typos are automatically corrected. Add...
This bookmarklet grabs a PivotalTracker story title, transforms it into a valid git branch name and automatically prepends your initials...
We had a card that described how to install multiple mysql versions using mysql-sandbox. Nowadays with the wide adoption...
You can throttle the network in your headless chrome via Selenium. This might be useful for debugging issues with flaky...
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...