Commands by ktoso (3)

  • Yeah I know it's been up here a million times, but this service is a really clean and nice one. Nothing but your IP address on it. Actually I was to write something like this, and noticed this on appspot... ;) Show Sample Output


    23
    curl ip.appspot.com
    ktoso · 2009-10-31 21:11:10 1
  • After executing this, click on a window you want to track X Window events in. Explaination: "xev will track events in the window with the following -id, which we get by greping window information obtained by xwininfo" Show Sample Output


    2
    xev -id `xwininfo | grep 'Window id' | awk '{print $4}'`
    ktoso · 2009-09-19 22:47:16 0
  • Can be used to discover what programms create internet traffic. Skip the part after awk to get more details. Has anyone an idea why the uniq doesn't work propperly here (see sample output)? Show Sample Output


    -1
    netstat -lantp | grep -i establ | awk -F/ '{print $2}' | uniq | sort
    ktoso · 2009-09-19 13:54:36 3

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RTFM function
Sometimes you don't have man pages only '-h' or '--help'.

Highlight network TX, RX information change

Get a regular updated list of zombies
Shows all those processes; useful when building some massively forking script that could lead to zombies when you don't have your waitpid()'s done just right.

limit the cdrom driver to a specified speed
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Create a mirror of a local folder, on a remote server
Create a exact mirror of the local folder "/root/files", on remote server 'remote_server' using SSH command (listening on port 22) (all files & folders on destination server/folder will be deleted)

Grep for word in directory (recursive)
greps for search word in directory and below (defaults to cd). -i case insensitive -n shows line number -H shows file name

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"

Make a playlistfile for mpg321 or other CLI player
Supports other file formats.

Find the 20 biggest directories on the current filesystem
This command will tell you the 20 biggest directories starting from your working directory and skips directories on other filesystems. Useful for resolving disk space issues.

Find out what package some command belongs to (on RPM systems)
Replace 'more' command with any command which is in your PATH.


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