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geekpete / gist:72c46971322e49ffa09d1edcf2daafc8
Created October 29, 2020 02:53 — forked from Khoulaiz/gist:41b387883a208d6e914b
Checking ports without telnet

Here are several different ways to test a TCP port without telnet.

BASH (man page)

$ cat < /dev/tcp/127.0.0.1/22
SSH-2.0-OpenSSH_5.3
^C

$ cat &lt; /dev/tcp/127.0.0.1/23
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geekpete / markdown-details-collapsible.md
Last active January 19, 2023 06:50 — forked from pierrejoubert73/markdown-details-collapsible.md
How to add a collapsible section in markdown.

How to

<details>
  <summary>see this long example - click to expand </summary>
  
  You can use regular markdown formatting inside your collapsed section.
  
  ### Heading
  1. Foo
 2. Bar