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Redhat / CentOS / Fedora Linux Open Port

By default iptables firewall stores its configuration at /etc/sysconfig/iptables file. You need to edit this file and add rules to open port number. This file only avilable under Red Hat Enterprise Linux 3 / 4 / 5 and above => Old Red hat Linux version => CentOS 4 and above => Fedora Linux   Open  Full Article…

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Solution for slow SSH login in CentOS 6

If SSH login is very slow in CentOS 6 it’s because they have added another security feature, the SSH server will do a reverse DNS again for any incoming connection, this will delay connection up to 13 seconds, to avoid this: 1. Access the server 2. Edit the ssh config Nano /etc/ssh/sshd_config 3. Look for  Full Article…

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CentOS 6.4 Step by Step Installation Guide with Screenshots

Community ENTerprise Operating System aka CentOS Linux 6.4 was released on 15 March 2013. This post will guide you step by step installation of recently released CentOS 6.4 with print screens.. CentOS 6.4 Features Below are CentOS 6.4 Features added and removed: * Added support for Microsoft Hyper-V drivers to allow CentOS to be more effective when installed on Microsoft Hyper-V server.  Full Article…

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Install Opera 12.11 (Browser) in RHEL/CentOS 6.3 and Fedora 17/16/15

This guide shows how to install Opera 12.11 web browser in CentOS 6.3 Linux. However, it should also works on all Red Hat 6.3/6.2/6.1/6/5.8, CentOS 6.3/6.2/6.1/6/5.8 andFedora 17,16,15,14,13,12 version’s as well. Opera Web Browser is one of the most popular and fastest loading browser developed by Opera Software. The latest stable version is 12.11 was released on June 2012. Unfortunately, Opera doesn’t offer repositories to  Full Article…

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Install Skype 4.2/4.0 on Fedora 19/18, CentOS/RHEL/SL 6.4

This is guide, howto install Skype 4.2 on Fedora 19/18/17/16/15/14 and Skype 4.0 on CentOS/Red Hat (RHEL)/Scientific Linux (SL) 6.4/6.3/6.2/6.1/6. This is actually easy process, but I won’t use Skype own RPM package, which works only with Fedora 16+. Skype package also doesn’t care about any needed dependencies on 64-bit (x86_64) systems nor 32-bit (i686) systems.  Full Article…

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LINUX: FORMAT YOUR USB DRIVE VIA COMMAND LINE

2. Unmount your USB drive using the following command: sudo umount /dev/sdd Where “sdd” is your media drive you had to remember at step 1. 3. Format the drive using the following commands: a) Format to FAT: sudo mkdosfs -n ‘Label’ -I /dev/sdd You can also use the “-F 32” parameter to create a FAT32 partition. b) Format  Full Article…

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Install Skype 4.0 for RHEL/CentOS 6.3 and Fedora 17/16

Skype is a free to use VoIP (Voice Over Internet Protocol) software that enables users to make voice calls, video calls and instant messaging over the network on the computer. Skype works on a P2P (Peer-to-Peer) technologies and uses encrypted communication end to end, so that your phone calls cannot listen by other users. Skype offers some rich features likevoice mail, video chat, instant messaging, call forwarding, conference calling and  Full Article…

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Installing CentOS 6.4 Using USB

One would think that installing CentOS using USB is fairly easy, however Linux often requires additional steps that go beyond ‘it just works’. I purchased a Dell PowerEdge T110 II server and decided on to run KVM on it. CentOS is built from RedHat sources so if you don’t want to pay RedHat, then CentOS  Full Article…

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