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Displays only the VGA adapter/chipset being used for the graphics. In this case, it gave me the "M22" and "Mobility Radeon x300" that I needed to research a graphics issue I was having.
This starts a very basic X session, with just a simple xterm. You can use this xterm to launch your preferred distant session.
$ ssh -X john@otherbox gnome-session
Try also startkde or fluxbox or xfce4-session.
To switch between your two X servers, use CTRL+ALT+F7 and CTRL+ALT+F8.
Use multiple patterns with grep -v. So you can print all lines in a file except those containing the multiple patterns you specify.
* size must be 640?480 pixels
* only has 14 colors
* save it in XPM format
Edit /boot/grub/menu.lst and add
splashimage=(hd0,0)/boot/grub/grubimg.xpm
make sure for your path name and hard disk
This command starts screen with 'htop', 'nethogs' and 'iotop' in split-screen. You have to have these three commands (of course) and specify the interface for nethogs - mine is wlan0, I could have acquired the interface from the default route extending the command but this way is simpler.
htop is a wonderful top replacement with many interactive commands and configuration options. nethogs is a program which tells which processes are using the most bandwidth. iotop tells which processes are using the most I/O.
The command creates a temporary "screenrc" file which it uses for doing the triple-monitoring. You can see several examples of screenrc files here: http://www.softpanorama.org/Utilities/Screen/screenrc_examples.shtml
This is a very powerful command line tool to gather statistics for a Linux system.
http://dag.wieers.com/home-made/dstat/
swap out "80" for your port of interest. Can use port number or named ports e.g. "http"
This command extracts 10 seconds worth of frames, starting from 00:15:45 position, from filename.avi and stores them into out_frames folder as jpeg files. Subtitles are turned off with -sid 999 option.