Commands by lux (0)

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Lists all clients of a Squid proxy
Generates the list of clients (IPs addresses) that have used the Squid webproxy according to the most recent log. Every IP appears only once in the list.

Compute the average number of KB per file for each dir
Use this to find identify if dirs mostly contain large or small files.

find and delete empty dirs, start in current working dir

list block devices
Shows all block devices in a tree with descruptions of what they are.

Which processes are listening on a specific port (e.g. port 80)
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"

Scan a document to PDF
Adjust the --resolution and --mode as required (if these options are available for your scanner). The size options (-x, -y, -imageheight, -imagewidth) are for US letter paper. For A4, I think the command would be: $scanimage -p --resolution 250 --mode Gray -x 210 -y 297 | pnmtops -imageheight 11.7 -imagewidth 8.3 | ps2pdf - output.pdf

Check your bash shell for vulnerability to the ShellShock exploit
If this command prints 'x' then your shell is vulnerable. Null output confirms that you are protected. Further reading: http://allanmcrae.com/2014/09/shellshock-and-arch-linux/

pretend to be busy in office to enjoy a cup of coffee

Unzip multiple files with one command
With this command you can easily unzip multiple zip files with just one command. All you need to do is to use single quotes.

Use vim automation to create a colorized html file


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