Commands by eev2 (0)

  • bash: commands not found

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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"

Signals list by NUMBER and NAME

Quickly generate an MD5 hash for a text string using OpenSSL

Find usb device in realtime
Using this command you can track a moment when usb device was attached.

FInd the 10 biggest files taking up disk space

Rename files in batch

Show the last 20 sessions logged on the machine
change 20 by the number of sessions you want to know (20 it's fair enough)

Sort files by date
Show you the list of files of current directory sorted by date youngest to oldest, remove the 'r' if you want it in the otherway.

Send data securly over the net.
Using OpenSSL we can encrypt any input we wish and then use Netcat to create a socket which can be connected to from an externally source (even using a Web Browser)

find the path of the java called from the command line
The output will likely point to '/etc/alternatives/java'. So find out where that points by issuing ls -l like this: ls -l /etc/alternatives/java


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