Linux
Remove Invalid characters in Filename.
2010/01/10
Sometimes I end up having some invalid characters in filename like ? & and so on. So simple bash script to get rid of them: for i in `find . -type f` do echo $i mv $i `echo $i |tr ? _|tr = _ |tr …
Sendmail host map failure issue with sendmail.
2010/01/07
I was having this issue for long time with sendmail and not getting time to fix this. Finally today I found the solution. <span style="font-weight: …
Finding all the executables/binary in Linux rpm based distro.
2010/01/03
I have been thinking about this for quite sometime now, how to find all the executables on the linux system. One of the way is to do a ”ls” on all the directories in the PATH …
Fedora 12 demonstrates sandbox for desktop applications
2010/01/03
<a href="http://blog.amit-agarwal.co.in/category/linux/">Bookmark this category Security-Enhanced Linux (SELinux) specialist and Red Hat developer Dan Walsh has souped up the security …
Some Rather Old But Still Funny Anti-UNIX Jokes (One Liners)
2009/12/28
<a href="http://blog.amit-agarwal.co.in/wp-content/uploads/2009/12/unix-jokes1.jpg"><img src="http://blog.amit-agarwal.co.in/wp-content/uploads/2010/08/unix-jokes1.jpg" …
Nifty Things to Do with GIMP
2009/12/26
Nifty Things to Do with GIMP Some of us are probably addicted to capturing moments in pictures. I can understand why. It’s one of those things that help us go back to the good old days, so to speak. …
query and downgrade selected packages based on version or repository
2009/12/24
If you have worked on rpm based distro then you know how difficult it is to downgrade packages. And unluckily I upgraded some packages to fc12 and was still on FC11. Completely my mistake while doing …
EncFS – Simple article to use Encrypted filesystem in Linux
2009/12/24
A nice article here EncFS is an easy-to-use, command-line tool for storing information in encrypted form. It’s not really a file-system, but it pretends to be one at the CLI. If you’ve been searching …
Initialization or clearing of log files
2009/12/22
Like all Unix file systems, open log files can cause a real problem when they get too large and need to be deleted. The problem is, if you delete an open file, the link is removed, but all of the …
7 Examples for Sed Hold and Pattern Buffer Operations
2009/12/22
<a href="http://www.flickr.com/photos/35237104750@N01/259102613"><img id="kwiclick-temp-0" title="txt e-book" …
Change information for the user on Linux machine.
2009/12/19
Today I have couple of hours to spare and thus thought might as well spend it on my blog. The finger command in *nix systems is used to display the information on the users. This information is taken …
Chrome – Chromium on Linux (repo)
2009/12/19
Fedora people put up a repo for the chrome web browser and it is quite frequently updated. All you need to do to install the browser is following: […] sudo vi /etc/yum.repos.d/chrome.repo …