scripts

Snal Linux includes a few useful scripts in /usr/local/bin. These scripts are some of those I maintain for myself at https://sourceforge.net/projects/jwscripts/

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ifup

ifup isn't the interface management script that you might be familiar with. ifup connects to a server if it is up.

$ ifup username@server

First, the script checks if the server is up. If the server is up, the script connects to the server.

By default, the script checks port 22 and connects via ssh. If the option -t is given, the script checks port 23 and connects via telnet.

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whenup

whenup is similar to ifup, except that the script will continue to check until the server is up and it will then connect.

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headl

headl is like head except that it is aware of the number of lines in your terminal. It will display n-4 lines to display as much as possible without scrolling.

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taill

taill is like headl but for tail.

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pping

pping stands for port ping. It's a bash script that uses netcat (nc) to check if a server is up. It uses port 22 by default.