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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ack on solaris – grep recursively.

2010-06-25 2 min read Solaris

<span style="background-color: #ffffff;">Some days back I posted an article on ack <a href="http://blog.amit-agarwal.co.in/2009/08/24/more-powerful-grep-ack/" target="_blank">here. Today I was working on Solaris 9 and the default grep installed on the system does not have the ”-r” option to search recursively. So, you know for all the time I had to keep using find with grep to work with directories recursively. This was something similar to the one below:

<span style="background-color: #ffffff;">find . -type f -exec grep amit {} \;
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GIMP 2.6 released

2010-06-25 1 min read Photo

GIMP released version 2.6 with some major improvements. I have not yet downloaded it and plan to do it in few days time.

<a href="http://gimp.org/release-notes/gimp-2.6.html">Release notes of 2.6 version.

This version has made some changes in the GUI too and looks quite impressive in the screenshots.

Heres one of them from the GIMP site.

Check it out 🙂

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.