Tag Archives: Bash

Bash script to monitor background processes

Posted on February 2, 2010 by Ahmed Tawfik

while [ 1 ]; do ps -ef | grep bzip2; echo “=============================================”; sleep 5; done; where: bzip2: is the process name or part of the process name Press Ctrl+c at any time to cancel the process

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How to split a text file in Ubuntu

Posted on January 31, 2010 by Ahmed Tawfik

Simple! Just use the “split” command, if no arguments are specified, it will split the text file to files each containing 1,000 lines of text.

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A complete invisibility – anonymity – solution for Ubuntu

Posted on December 28, 2009 by Ahmed Tawfik

Based on some online articles and my previous posts, I created the following script which does the following: Generates and assigns a random MAC address to my wired card (eth0) and wireless card (wlan0) using the macchanger software described here … Continue reading →

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Delete the last line in a text file using sed

Posted on December 28, 2009 by Ahmed Tawfik

sed -i ‘$d’ hobba -i: to change the file itself, not copy contents to another file or something$d: delete the last linehobba: the file name

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Insert a "new line" character in a text file using Bash

Posted on December 28, 2009 by Ahmed Tawfik

“echo -e “192.168.100.100\n192.168” >> hobba“  The ‘-e’ option does the magic, as it allows escape characters to be printed Source

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