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Howto Install KDE 4.4 or Update to KDE 4.4 on Fedora 12 Linux

Updated 26.2.2010, Read First Currently, the latest version of the KDE desktop in Fedora is 4.3.5. I had some problems with its stability, so I decided to try out, how will work KDE 4.4.0 the latest stable version of KDE. At first I tried...

Install, Configure and Use Gnome Do – Docky on Fedora 12 Linux

What is Gnome Do? GNOME Do (Do) is an intelligent launcher tool that allows users to use the keyboard to rapidly perform tasks such as launching applications, manipulating files and data, running scripts, or sending e-mail. It is similar...

Upgrade to Fedora 13 from Fedora 12 with Preupgrade

I think the most easiest way to upgrade Fedora 12 to Fedora 13 is use Preupgrade, which download needed packages from the server and then just reboot to installer and after install boot the new system. This guide I use preupgrade-cli...

YUM Remove Repo (Repository) – YUM Disable Repo (Repository)

Quick guide, howto remove and disable YUM repo (repository). Yum command itself does not contain any way to remove the repository. YUM repo files is located in /etc/yum.repos.d/ directory. I use kde.repo file with following content as...

YUM Changelog

Package change log information is not directly available from the YUM package management. This is short guide howto enable (install) changelog plugin and use changelog information with YUM package management system. Install YUM Changelog...

YUM Downgrade Packages on Fedora, CentOS, Red Hat (RHEL)

This is quick tip, howto downgrade packages using YUM (example) on Fedora, CentOS, Red Hat (RHEL). This works simply with yum downgrade command and is very usefull when package(s) downgrade is needed some reason. YUM Downgrade Basic...

List tar/tar.gz/tar.bz2 Contents – List all files in archive.tar

This is quick tip, howto list contents of tar, tar.gz and tar.bz2 files without unpacking file. This is very useful on server environment where any graphical tool is not available. This method is also very useful when tar, tar.gz or...

Show Linux Version, Distribution (Distro), System Information

This is quick guide howto show Linux version, howto show Linux distributin (distro) info, howto show Linux System information, kernel version and kernel information on command line. Show Linux Version Linux version information can be...

CSS compression with own PHP class VS CSSTidy

It makes sense to optimize the site’s cascading style sheets (CSS), as it pages load faster, and it reduce the amount of data transferred, and just combining css files could significantly reduce requests to server. So users benefit...

Prevent the browsers to use old cached CSS and JS files

Browser cache is very useful when users download the same CSS and JS files multiple times. Some browsers, however, use the old CSS and JS files from the cache, even though they have been updated. This may lead to unpleasant situations,...

Find If Not True Then False on Facebook

I would like to welcome all new and old visitors to If Not True False Then site Facebook pages. Hopefully, this new Facebook page also helps to follow new blog posts. Of course, there is also other ways to follow this blog posts, simply...

PostgreSQL: Partitioned Table vs Non Partitioned Table (Part 3)

This article compares the speed and performance of queries between partitioned and non partitioned PostgreSQL tables. However, it is important to remember that the PostgreSQL tables partitioning has also another benefits, than the better...

PHP Script to Generate PostgreSQL Table Partitioning (Part 2)

As Part 1 (Howto create PostgreSQL table partitioning) shows, making of PostgreSQL partitioning needs a lot of SQL commands. So this Part 2 explains how SQL commands for PostgreSQL partitioning can be made with a simple PHP script. This...