Commands using rm (301)

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Get the current gold price
Returns the current price of a troy ounce of gold, in USD. Requires the "jq" JSON parser.

Sort output by length of line
This provides a way to sort output based on the length of the line, so that shorter lines appear before longer lines. It's an addon to the sort that I've wanted for years, sometimes it's very useful. Taken from my http://www.askapache.com/linux-unix/bash_profile-functions-advanced-shell.html

Use Vim to convert text to HTML.
``vimhtml somefile.txt`` will open vim for the HTML convertion and close it immediately after its done, leaving you with somefile.html which you can later use in your website or whatever.

Replace spaces in filename
This command will replace spaces in filename with underscore, for all file in directory that contain spaces.

How to get an absolute value
Whenever we are only interested in difference between two numbers and not the positive/negative values we can use this in script.

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check open ports without netstat or lsof

Show me just the ip address
Sometimes it's useful to output just the ip address. Or some other information, changing the "ipv4.addresses" in command. The power of awk! Show all possible "greps" with $ nmcli connection show [yourInterfaceNameHere]

Know which modules are loaded on an Apache server
This let you know which modules has loaded the Apache server, very useful to know if the mod_rewrite is ready to use.

Number of open connections per ip.
Here is a command line to run on your server if you think your server is under attack. It prints our a list of open connections to your server and sorts them by amount. BSD Version: $ netstat -na |awk '{print $5}' |cut -d "." -f1,2,3,4 |sort |uniq -c |sort -nr


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