Commands by dfrios (1)

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Run a command as root, with a delay
$ sleep 1h ; sudo command or $ sudo sleep 1h ; sudo command won't work, because by the time the delay is up, sudo will want your password again.

Show numerical values for each of the 256 colors in ZSH
This will show a numerical value for each of the 256 colors in ZSH. Everything in the command is a ZSH builtin, so it should run on any platform where ZSH is installed. Prints one color per line. If someone is interested in formatting the output, paste the alternative.

Simplest way to get size (in bytes) of a file

List your installed Firefox extensions

Remove multiple spaces
The command removes all the spaces whithin a file and leaves only one space.

Sort file greater than a specified size in human readeable format including their path and typed by color, running from current directory
1. find file greater than 10 MB 2. direct it to xargs 3. xargs pass them as argument to ls

convert UNIX timestamp to UTC timestamp
date -ud @1320198157

Rename files in batch

Produce a pseudo random password with given length in base 64
Don't copy trailing '=' or use head -c to limit to desired length.

Download all manuals RedHat 7 (CentOS/Fedora) with one command in Linux


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