Commands by campassi (1)

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tcpdump top 10 talkers
capture 2000 packets and print the top 10 talkers

AWK Calculator

Find default gateway

ssh X tunneling over multiple ssh hosts (through ssh proxy)
Simply makes it possible to launch any X application residing on sshhost through sshproxy and display it on your screen where ever you are.

Use Perl like grep
Much better alternatives - grep-alikes using perl regexps. With more options, and nicer outputs.

Concating pdf files

"at" command w/o the resource usage/competition issues
EXAMPLES jb "next sun 12pm" "/bin/sh ~you/1.sh" & jb "2010-08-29 12:00:00" "~you/1.sh" & jb "29aug2010 gmt" ". ~you/1.sh" & jb 12:00p.m. "nohup ./1.sh" & jb 1min "echo stop!" & SEE ALSO parsedate(3) strftime(3)

Generate 2000 images with its number written on it

Pick a random image from a directory (and subdirectories) every thirty minutes and set it as xfce4 wallpaper
Change your wallpaper every thirty minutes (or however long you like, I suppose) to a randomly selected image in a directory and subdirectories. Bear in mind this is not safe to use if anyone else has write access to your image directory.

Download all manuals RedHat 7 (CentOS/Fedora) with one command in Linux


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