While the main goal always is to prevent long-running queries in the first place, automatic timeouts can serve as...
You might know a few examples, where you configure some library via a block. One example is the Rails configuration...
There are two ways a logout in SAML can happen: Service Provider (SP) initiated and Identity Provider (IDP) initiated logout...
If you need to make an HTTPS connection to a host which uses an expired certificate, do not disable certificate...
jq is great when dealing with JSON data. Check out the official jq Manual. Content Select only specific keys
Any form fields where users enter numbers should be an . Numeric inputs have several benefits over : On mobile or tablet...
Legt man im DNS beispielsweise einen CNAME-Eintrag an, sollte das Ziel am Ende einen Punkt haben, also z.b. d31337.cloudfront.net...
We often do some HTTP requests to fetch the data we want to check for certain criteria. Testing this in...
Debugging your integration tests, that run a headless Chrome inside a docker image, is tricky. In many cases you can...
If you use a newer SSH key generated with the ED25519 algorithm instead of RSA (see Create a new SSH...
Sometimes I ran across a GitHub merge request of a gem where it was not completely obvious in which version...
After upgrading to Rails 6.1.7.2 one of our apps printed a wall of warnings while booting: /var/www/app/shared/bundle/ruby/2.6.0/gems/net-protocol-0.2.1/lib/net/protocol.rb:68: warning: already...
If you want to check the configuration of a running JVM process you can use jcmd. List the running processes...
We usually rely on VCR and WebMock to prevent any real network connection when running our unit tests.
How can I configure virtual IP's? There are two parameter to set up virtual ips in Keepalived: virtual_ipaddress...
Linux Kernel Parameter werden üblicherweise schon zur Compile und Startzeit mit brauchbaren Default-Werten geliefert. Allerdings muss man, je nach...
You'll need openssl-3 or newer for servers running 22.04 Ruby version 3.1 uses by default the gem openssl...
Schau dir den unter Inhalte verlinkten Udemy Kurs an. Die Zugangsdaten für Udemy bekommst Du von deinem Mentor. Überspring Inhalte...
When using RestClient to make an HTTP request, it will raise an exception when receiving a non-successful response.
What is netfilter's Connection Tracking system? The connection tracking system often referenced as nf_conntrack is part of the...
When a Ruby version gem has a letter in its version number, it is considered a pre-release:
We prefer to run our end-to-end tests with headless Chrome. While it's a very stable solution overall...
There are several tools for DNS debugging which offer you more or less information. Most of the time the more...
curl-to-ruby is a handy tool that converts your curl command to ruby code that uses the Net::HTTP...