Nice Link on Linux.

2010-06-25 1 min read Linux

Lot of good humour and nice articles of linux.

Find <a href="http://www.geocities.com/CapeCanaveral/Lab/5735/1/">here

Linux Advertisement – So linux finally decides to do some marketing.

2010-06-25 1 min read Linux

Its been quite some time that people started saying that this is the year of linux, and Linux (like in the Turtle and Hare story) has been growing steadily. There are advocates and critics for the Linux. I sometime think what are the advocates or critics thinking when they are commenting. But let me not get into that. There are circumstances where you would have to stick with windows wheather you like it or not and similar is the case with Linux in this corporate world. Anyway, here is the link to the advertisements:

Magic space on the current command line

2010-06-25 1 min read Bash Fedora Linux

# For how to set up magic space for Bash see:
# – http://www.ukuug.org/events/linux2003/papers/bash_tips/#slide15
# – http://codesnippets.joyent.com/posts/show/1690

man bash 2>/dev/null | less -p ’magic-space’

man bash 2>/dev/null | less -p ’Event Designators’

man bash 2>/dev/null | less -p ’\!#’ # ”The entire <a class="zem_slink" title="Command-line interface" rel="wikipedia" href="http://en.wikipedia.org/wiki/Command-line_interface">command line typed so far.”

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rpmsave and rpmnew files.

2010-06-25 1 min read Linux

When upgrading an rpm based Linux System, all of us would have seen ”*.rpmsave” or ”*rpmnew” files being created. These are the config files in the rpm that rpm utility thinks should be overwritten (creates a *.rpmsave for the earlier file) or should not be overwritten (create *.rpmnew with the new file).

If you ever wondered what to do with these files then you can use this small script that would show the diff between the two files and you can decided which to keep or which to delete.

bash one liner to change/remove test pattern from config file or text file.

2010-06-25 1 min read Bash Fedora Learning Linux

Problem:

I had a directory with a lot of config files in the ini file format, i.e. name and value separated by equals. Some/all of these contained some directory names and other values which had to be replaced. But there were other place where I should not not replace them, if there was no exact match. I also needed to have a backup copy of the file that I was modifying. Since the number of files that I needed to change was multiple so was quite difficult to do it without using some script.

Visualizing system performance data

2010-06-25 1 min read Linux

<a href="http://blog.amit-agarwal.co.in/category/linux/">Bookmark this category

<font SIZE="6"><a HREF="http://feedproxy.google.com/~r/Command-line-fu/~3/jjk4Htw9rvo/visualizing-system-performance-data">Visualizing system performance data

$ vmstat 2 10 | awk 'NR > 2 {print NR, $13}' | gnuplot -e “set terminal png;set output 'v.png';plot '-' u 1:2 t 'cpu' w linespoints;" draw `vmstat ` data using gnuplot

<a HREF="http://www.commandlinefu.com/commands/view/3581/visualizing-system-performance-data">View this command to comment, vote or add to favourites
<a HREF="http://feeds2.feedburner.com/commands/by/Sunng">View all commands by <a HREF="http://feeds2.feedburner.com/commands/by/Sunng">Sunng

by David Winterbottom (<a HREF="http://codeinthehole.com">codeinthehole.com)

Using PHP to search a MySQL database and return paged results

2010-06-25 1 min read Database Linux

<a href="http://www.designplace.org/scripts.php?page=1amp;c_id=25">Using PHP to search a MySQL database and return paged results

Link above to the article. I am using this as base to do some programming of my own for my website. When I am done I can post few more details, till then…………