My favoriate, check if port is in use:<p><a href="https:&#x2F;&#x2F;github.com&#x2F;jbranchaud&#x2F;til&#x2F;blob&#x2F;master&#x2F;unix&#x2F;check-if-a-port-is-in-use.md" rel="nofollow">https:&#x2F;&#x2F;github.com&#x2F;jbranchaud&#x2F;til&#x2F;blob&#x2F;master&#x2F;unix&#x2F;check-if-...</a><p>Would be cool, to be able to collaborate and comment on each article. Perhaps, make this entire thing GitHub gists or Wiki?