/tags/cheat-sheet/Recent post in Cheat-Sheet from Aroy ArtHugo -- gohugo.ioen-gbWed, 06 Nov 2024 21:05:38 +0000/blog/docker-compose-cheat-sheet/Wed, 06 Nov 2024 21:05:38 +0000/blog/docker-compose-cheat-sheet/<p>This is the colleton of useful knowledge this kitty has gathered for Docker and Docker-Compose over a long time.</p> <div style="margin: 24px 0;"> <h2>Table of Contents</h2> <nav id="TableOfContents"> <ul> <li><a href="#find-out-what-is-using-disk-space">Find out what is using disk space</a></li> <li><a href="#how-to-cleanup-unused-resources">How to cleanup (unused) resources</a> <ul> <li><a href="#the-new-way-docker--113">The new way (Docker &gt; 1.13)</a></li> <li><a href="#the-old-way-docker--113">The old way (Docker &lt; 1.13)</a></li> <li><a href="#build-system-leftovers">Build system leftovers</a></li> </ul> </li> <li><a href="#health-checks">Health Checks</a> <ul> <li><a href="#docker-compose-depends-on-health-check-pass">Docker Compose depends on health check pass</a></li> <li><a href="#docker-compose-postgres-health-check">Docker Compose Postgres health check</a></li> <li><a href="#docker-compose-redisvalkey-health-check">Docker Compose Redis/Valkey health check</a></li> </ul> </li> <li><a href="#conclusion">Conclusion</a></li> </ul> </nav> </div> <hr> <h2 id="find-out-what-is-using-disk-space">Find out what is using disk space</h2> <hr> <p>To find what is using up space you can run the command:</p>/blog/shebang-tutorial-linux/Wed, 25 May 2022 12:50:05 +0000/blog/shebang-tutorial-linux/<p>In computing and Linux the shebang is a character sequence that consists of <code>#</code> and <code>!</code>. Simply the shebang is expressed as <code>#!</code>. The shebang is also called sha-bang, hashbang, pound-bang, and hash-pling. The shebang is used to specify an interpreter for script files. Linux is popular with its script files and scripting languages like Bash, ZSH, Python, Perl, PHP, etc. The shebang is used to specify the interpreter type and location. When a script file is called the first line contains the shebang with the interpreter path.</p>