GRUB2 runlevel 3 – Howto Change runlevel on GRUB2

This is quick guide howto change runlevel on GRUB2. Title says runlevel 3 (refer to changing runlevel from 5 to 3), but yes same method of course works, if you want to change runlevel from 3 to 5, from 5 to 1 or from 3 to 1. Whole process is actually add one additional boot parameter. This modification is not permanent, when you boot your system next time, it uses default parameters. This guide works all Linux distributions with GRUB2. Runlevels 0 - Halt Shuts down the system. 1 -...

DNF/YUM Autocomplete (package names/commands) on Fedora/CentOS/RHEL

This is quick tip, howto use Bash auto complete (autocomplete) with DNF/YUM (package names/commands) on Fedora, CentOS, Red Hat (RHEL). Dnf package manager is used on Fedora 26/25/24/23/22 and Yum package manager is used on Fedora 21/20/19/18, CentOS 7.3/6.9 and Red Hat (RHEL) 7.3/6.9. Autocomplete feature is familiar to many who have used the Debian based Linux, like Debian and Ubuntu. For some reason, this feature is not automatically activated/installed on Red Hat -based Linux distros,...

SVN (Subversion) Access Control with Apache and mod_authz_svn

I just wrote guide, howto install SVN (Subversion) Server on Fedora, CentOS and Red Hat (RHEL). No I decided to write more information about SVN Access Control. This guide works if you have installed Apache, Subversion (SVN) and mod_dav_svn on any Linux system, like Ubuntu, Debian, Arch, Gentoo, not only Fedora, CentOS or Red Hat (RHEL). [inttf_post_ad1] Setup SVN (Subversion) Access Control with Apache and mod_authz_svn 1. Change root user su - ## OR ## sudo -i 2....

YUM/DNF Remove Old Kernels on Fedora/CentOS/RHEL

This is quick guide howto delete/remove/clean old kernels on Fedora, CentOS, Red Hat (RHEL). I use here two kernel as example, if you want to keep other more or less, then adjust amount of installed kernels as you wish. Normally reason why you maybe want remove kernels is limited disk space, example on VPS servers and laptop. This is very easy task, you need yum-utils package. [inttf_post_ad1] 1. Check Installed Kernels rpm -q...

Install Oracle Java 7u79/80 on Fedora 24/23, CentOS/RHEL 7.2/6.8/5.11

Please note: This guide still working normally if you want install Sun/Oracle Java 7, but if you want Java 8 version, then check Install Oracle Java JDK/JRE 8 on Fedora, CentOS/RHEL. This is guide, howto Install Sun/Oracle Java JDK and JRE 7 CPU (7u79) and PSU (7u80) on Fedora 24/23/22/21/20/19/18/17/16/15/14/13/12, CentOS 7.2/6.8/5.11, Red Hat (RHEL) 7.2/6.8/5.11. Read more, what is difference between CPU and PSU release. If you're looking instruction for Sun/Oracle Java JDK/JRE...

Install Apache OpenOffice 4.1.2 on Fedora 24/23, CentOS/RHEL 7.2/6.8

Are you looking LibreOffice 5.2/5.1/5.0 Install guide? This is quick guide to install Apache OpenOffice 4.1.2 on Fedora 24/23/22/21/20/19/18/17/16/15/14/13/12, CentOS 7.2/6.8, Red Hat (RHEL) 7.2/6.8 with using Apache OpenOffice original RPM packages. What's new in Apache OpenOffice 4.1.2 release New Sidebar - The Sidebar makes better use of today's widescreen displays than traditional toolbars Interoperability Improvements DrawObject...

Install Eclipse Mars 4.5 on Fedora 24/23, CentOS/RHEL 7.2/6.8/5.11

This is guide, howto install latest Eclipse Mars.2 4.5.2 on Fedora, CentOS and Red Hat (RHEL). This guide should work with Fedora 24/23/22/21/20/19/18/17/16/15/14/13/12, CentOS 7.2/6.8/5.11 and Red Hat (RHEL) 7.2/6.8/5.11 and even with earlier versions. Latest working version on CentOS/RHEL 5.11 is Eclipse Luna 4.4.2. Eclipse is a multi-language software development environment comprising an integrated development environment (IDE) and an extensible plug-in system. It is written primarily in...

CentOS 5.11 Netinstall – Network Installation

CentOS 7 is released, check CentOS 7.1 Netinstall guide. CentOS 6 is released, check CentOS 6.7 Netinstall guide. If the purpose is to upgrade from an older version of CentOS to CentOS 5.11 then read following guide: Upgrade to CentOS 5.11 From 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0) guide This is CentOS (The Community ENTerprise Operating System) 5.11 Linux Network installation (NetInstall) step-by-step walkthrough with screenshots....

PHP: APC Configuration and Usage Tips and Tricks

PHP APC (Alternative PHP Cache / Opcode Cache) is framework that optimizes PHP intermediate code and caches data and compiled code from the PHP bytecode compiler in shared memory. APC Opcode Cache is quickly becoming the de-facto standard PHP caching mechanism. [inttf_post_ad1] PHP APC installation is very easy, example with Fedora / CentOS / Red Hat (RHEL) you can check following guides to see howto install it: Install Nginx/PHP-FPM on Fedora/CentOS/Red Hat (RHEL) Install...

Upgrade to CentOS 5.11 from CentOS 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0)

This is quick guide, howto upgrade to CentOS 5.11 from CentOS 5.10 (5.9, 5.8, 5.7, 5.6, 5.5, 5.4, 5.3, 5.2, 5.1, 5.0). 1. Change to root User su - ## OR ## sudo -i 2. Backup all important data Backup /etc diretory Backup important logs /var/log Backup web server configs and sites Dump MySQL databases Dump PostgreSQL databases Backup all what you need if something goes wrong [inttf_post_ad1] 3. Check list of packages that are going to be...

Upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0

CentOS 6.6 is released. This is quick guide, howto upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0. I have tested this method on multiple CentOS 6 (servers / desktops) and everything looks work fine after upgrade. Upgrade to CentOS 6.7 from CentOS 6.6/6.5/6.4/6.3/6.2/6.1/6.0 1. Change to root User su - ## OR ## sudo -i 2. Backup all important data Backup /etc diretory Backup important logs /var/log Backup web server configs and sites Dump MySQL...

Install Chromium on CentOS/Red Hat (RHEL) 6.7

This is huide howto install Chromium Browser on CentOS 6 / Red Hat (RHEL) 6. Move directly to Chromium install guide. It's true Google Says Red Hat Enterprise Linux 6 Is Obsolete and after latest update, Google Chrome won't work anymore on CentOS 6/Red Hat (RHEL) 6. Someone might think that it's time to change Firefox or Opera, but if you have get used to Google Chrome, then it might be hard. Currently it might be possible to compile newer GCC and get Google Chrome working on Enterprise...

Install WordPress 4.1.1 on Fedora 21/20, CentOS/RHEL 7/6.6/5.11

This is guide, howto install WordPress 4.1.1 with Nginx or Apache on Fedora 21/20/19, CentOS 7/6.6/5.11 and Red Hat (RHEL) 7/6.6/5.11 servers. Wordpress needs web server with PHP and MariaDB or MySQL database. This guide uses Apache web server with PHP 5.6 or Nginx web server with PHP 5.6 (PHP-FPM) and MariaDB 10/5.5 database server or Mysql 5.6 database server. If you want to install Wordpress with Apache then use a - [Apache] sections and if you want install Wordpress with Nginx then use b...

Install phpMyAdmin 4.3.10 on Fedora 21/20, CentOS/RHEL 6.6/5.11

This is guide, howto install phpMyAdmin 4.3.10 with Nginx or Apache on Fedora 21/20/19, CentOS 7/6.6/5.11 and Red Hat (RHEL) 7/6.6/5.11 servers. phpMyAdmin needs web server with PHP and MySQL database. This guide uses Apache web server with PHP 5.6 or Nginx web server with PHP 5.6 (PHP-FPM) and MySQL 5.6 database server or MariaDB 10/5.5 database server. You can also use your already installed versions of web server, PHP and MySQL. If you want to install phpMyAdmin with Apache then use a -...

Install Firefox 26 on Fedora 20/19, CentOS/Red Hat (RHEL) 6.5

Mozilla Firefox 26 is released and this is guide, howto install Firefox 26 on Fedora 20/19/18/17/16, CentOS 6.5/6.4/6.3/6.2/6.1/6 and Red Hat (RHEL) 6.5/6.4/6.3/6.2/6.1/6 using YUM. Firefox 17 ESR (Extended Support Release) is currently available on CentOS 6.5/5.10 and Red Hat (RHEL) 6.5/5.10 own repos, so with this guide you can also install Firefox 17 ESR on CentOS 5.10 and Red Hat (RHEL) 5.10. What's new in Firefox 26 All Java plug-ins are defaulted to 'click to play' Password...

nginx, PHP 5.3 and FastCGI on CentOS 5.5, Fedora 13, Red Hat RHEL 5.5/6

This is guide howto install nginx, PHP 5.3 and FastCGI webserver with MySQL and/or PostgreSQL and Memcache support on Fedora 12 and Fedora 13, CentOS 5.5, Red Hat (RHEL) 5.5/6. nginx (engine x) is a robust, small and high performance http server, reverse proxy server and also mail proxy server. 1. Add and enable needed repositories: Updated 19.3.2010 Use following repositories to install nginx 0.8.xx version (currently 0.8.36 version) rpm -Uvh...

Install PostgreSQL 8.4 Database Server on CentOS, Fedora, Red Hat

This is quick guide howto install PostgreSQL 8.4 (current stable 8.4.7) database server on CentOS, Fedora and Red Hat. Fedora 14, Fedora 13, CentOS 5.5 and Red Hat (RHEL) 5.5 has PostgreSQL 8.4 database server as default so extra repositories is not needed. Personally, I like to use Postgres own repositories, because the latest version of PostgreSQL may be quickly and easily installed. The following commands run as root and postgres user, so "su -" or "sudo -i" first. Install PostgreSQL...

Opera 12.16 on Fedora 19/18, CentOS/Red Hat (RHEL) 6.4

This is guide, howto install or update Opera 12.16 browser on Fedora, CentOS and Red Hat (RHEL). This works on Fedora 19/18/17, CentOS 6.3/6.2/6.1/6 and Red Hat (RHEL) 6.3/6.2/6.1/6. Check Opera 12.16 features >> Opera does not, unfortunately, currently offer repositories where Opera could be installed and keep up to date neatly. So the only option is to download the required RPM package directly from Opera's download page and install it directly with the RPM command. Download...

Install MongoDB 2.4.4 on Fedora 18/17, CentOS/Red Hat (RHEL) 6.4/5.9

What is MongoDB?MongoDB (from "humongous") is a scalable, high-performance, open source, schema-free, document-oriented database. Written in C++. MongoDB bridges the gap between key-value stores (which are fast and highly scalable) and traditional RDBMS systems (which provide structured schemas and powerful queries). MongoDB is very interesting document-oriented database, because it has really awesome features: Document-oriented storage (the simplicity and power of JSON-like data...

Install Adobe AIR 1.5 and 2 on Fedora 13, CentOS 5.5 and Red Hat (RHEL) 5.5

This guide shows, howto install Adobe AIR on Fedora 12, Fedora 13, CentOS 5.5, Red Hat (RHEL) 5.5 and Red Hat (RHEL) 6. This method works on both 32-bit and 64-bit architectures. This guide also shows howto use Adobe AIR Application Installer and install TweetDeck. What is adobe AIR? Adobe AIR (Adobe Integrated Runtime) is a cross-platform runtime environment for building rich Internet applications as a desktop applications, using existing HTML, Ajax, Adobe Flash or Adobe Flex. Adobe...
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