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

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:

rpmsave and rpmnew files.

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.

Viewing archive without extracting.

I was looking for this option and searched the net to find quite some utilities to do this.

1. gvfs-archive — Select the file in nautilus and select ”Archive Mounter” .. simple isn’t it. Supposed to work but didn’t work for me.. Though that may be because I am on rawhide.
2. <a href="http://www.onicos.com/staff/iz/release/mi-arcfs/">mi-arcfs is another kernel dependent module to achieve this.
3. <a href="http://code.google.com/p/fuse-zip/">fuse-zip from google code is another nice option.

And a nice article on this this is <a href="http://osdir.com/ml/gnome.usability/2003-01/msg00092.html">here.
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A Unix/Linux cheatsheet complete in most respects.

Find <a href="http://cb.vu/unixtoolbox.xhtml" target="_blank">here. This is a very nice tutorial all in one page and browsable.

It covers :

1.   System
2.   Processes
3.   File System
4.   Network
5.   SSH SCP
6.   VPN with SSH
7.   RSYNC
8.   SUDO
9.   Encrypt Files
10.   Encrypt Partitions
11.   SSL Certificates
12.   CVS
13.   SVN
14.   Useful Commands
15.   Install Software
16.   Convert Media
17.   Printing
18.   Databases
19.   Disk Quota
20.   Shells
21.   Scripting
22.   Programming
23.   Online Help

Continue reading

Note: I am using this and definately this is a big improvement over the previous versions. Here is the blog from gnome blog:

After more than a year of heavy development, <a class="zem_slink freebase/en/networkmanager" title="NetworkManager" rel="homepage" href="http://www.gnome.org/projects/NetworkManager">NetworkManager 0.8 was unleashed on the world a few weeks ago.  While we obviously couldn’t make everyone happy just yet, this release includes a ton of great stuff.  Much of it is under the hood, so while it won’t dazzle you in a blinding flash of light, it should still make your head explode.

Linux is just too open

The Problem with Linux is that it is forthright, open and honest. Now I know how much the editors here hate when I anthropomorphize an operating system, but it is fundamentally true.

Linux, in my view, remains almost too honest and too open.

Check file usage using fuser

There is a package called psmisc that provides a useful application fuser. The package provides the below (on fedora):

/sbin/fuser
/usr/bin/killall
/usr/bin/peekfd
/usr/bin/pstree
/usr/bin/pstree.x11

There are couple of options you can provide on the terminal to fuser. The main purpose of the binary is to check the process id of the process using the file. This can be useful if some file operation on a file is blocking something for you 🙂