bash ⁽⁴⁾

awk and sed are text manipulation programs. You can use them for example to replace strings: echo image.jpg | sed 's/\.jpg/.png/' image.png or change order of strings: echo "hello world" | awk '{print $2, $1}' world hello awk and sed are harder to learn than…

Lets Suppose you need to perform a certain kind of work in all of these directories:  You might know about the "cd" command. But isn't it annoying if you need to use and retype a lot of Commands, like for example: $ cd ~/Work/Projects/Web/src $…

Did you know that your ssh Client sends the server all your public keys, one by one, until the server accepts one, when you try to authenticate via public key? Don't believe me? Try it out yourself: ssh whoami.filippo.io Someone could use this to find…

Beschreibung ShellCheck ist ein Tool, das Warnungen und Vorschläge für Bash/Sh-Shell-Skripte liefert. Das Tool kann verwendet werden für statische Code Analyse. Idealerweise wird das Tool in einer CI Pipeline integriert. Hier ein Beispiel einer Github Action Pipeline: name: Shellcheck on: pull_request: push: branches: - main…