Commands by adavies42 (2)

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

Show directories
Show only the subdirectories in the current directory. In the example above, /lib has 135 files and directories. With this command, the 9 dirs jump out.

Show current working directory of a process

List users with running processes
This is different that `who` in that who only cares about logged-in users running shells, this command will show all daemon users and what not; also users logged in remotely via SSH but are running SFTP/SCP only and not a shell.

split a string (2)

Recursively move folders/files and preserve their permissions and ownership perfectly

check open ports without netstat or lsof

Make a thumbnail image of first page of a PDF.
convert is included in ImageMagick. Don't forget the [X] (where X is the page number). [0] is the first page of the PDF.

Convert IP octets to HEX with no dots.
Converts IP octets to hex using printf command. Useful for generating pxeboot aliases in the pxelinux.cfg folder.

Compress logs older than 7 days


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