How to Enable mod_perl on Linux CentOS 6.3

The default apache configuration installed without mod_perl. This can be a good idea in order to minimize the number of things that can go wrong. This post will covers the steps to enable mod_perl on linux CentOS 6.3. This will make Perl script be fast and increase the performance. Prerequisites: How to Install Httpd on […]

How to Secure OpenSSH (SSHD) on Linux

OpenSSH is a open source alternative to the proprietary Secure Shell software. It is also the SSH connectivity tools that allows you to remotely login, transfer remote file via scp or sftp. It was created as an open source alternative to the proprietary Secure Shell software. OpenSSH options are controlled through the /etc/ssh/sshd_config file. In […]

How to Install Subversion on CentOS 6.3

This post will cover the quick steps to install Subversion 1.6 on linux CentOS 6.3 server. Apache Subversion (often abbreviated SVN) is a open source software versioning and revision control system. Some people called it source code control(SCC) software and source code management(SCM) software. By using subversion, developer will able to keep tracks the changes […]

How to Find Default Gateway IP address on Linux

A default gateway is the node (a router) or network point on the computer network that serves as an access point and entrance to another network. It passes traffic between different subnets and networks. Computers running on the network using IP, a default gateway address is needed to reach all computers that are not on […]

How to Check Disk Read Write Speed in Linux

Measuring sequential disk performance is easy in linux as every modern Linux distribution comes with a command line utility called hdparm. Hdparm is a free tool to measure sequential disk performance which is primarily used to tune and optimize disk parameters. It is important to read hdparm man page and perform full backup before using […]

How to Fix “-bash: hdparm: command not found” on Linux CentOS 6.3

Question: When i try to run hdparm command to check to check the hard drive read and writing speed, the following error has been returned. Hdparm is a command line utility to measure sequential disk performance which is primarily used to tune and optimize disk parameters. Hdparm is free software under the BSD license. [root@centos63 […]

How to Remove a Logical Volume on CentOS 6.3/RHEL6

In previous post, i have cover the steps to create additional Logical volume manager (LVM). In certain situation, linux administrator is required to remove the existing logical volume. It is possible to perform the required task if that system administrator has the right skill on linux. Otherwise, they will put themselves and the organization in […]

How to Check Realtime RAM Memory Usage Available in Linux VPS

On the previous post, i have teach you on how to check the memory usage on linux virtual Private Server (VPS) but only top command had provide real-time information and updates . This quick post will covers on how to check realtime RAM memory usage available in Linux VPS using watch command. Watch runs command […]

4 Top Command Howto on Linux RHEL 6/CentOS 6

In this article, i will help you to explore most frequently used top commands that linux system administrator use when analyzing the linux performance and use for daily system administrative jobs. Top command displays system summary information such as tasks currently being managed by the Linux kernel, displays ongoing look at processor activity in real […]

How to Setup Nginx With PHP-FastCGI on CentOS 6.2/CentOS 6.3 VPS Server

At the previous post, i have setup Nginx as reverse proxy to apache web server. This post will covers the steps how to setup nginx web server to use PHP-FastCGI for dynamic content. Nginx (pronounced “Engine-X”) is a free, open-source HTTP Web server and one of the alternative to Apache http server. It’s a high […]

Nginx Reverse Proxy Setup for Linux Server

Nginx also pronounced “Engine-X” is a free, open-source HTTP Web server and one of the best alternative to Apache http server. It is a high-performance edge web server with the lowest memory footprint and the key features to build modern and efficient web infrastructure. Nginx also provides a combination of Nginx web servers, Nginx reverse […]

How to Setup Lynis Linux Auditing Tool on CentOS 6.2/CentOS 6.3

Lynis is a free and open source auditing tool for Unix-based operating system. It will provide report and makes suggestion after it scans the system and detect general system information, installed packages, configuration errors and security issues. Lynis aims in assisting automated auditing, software patch management, vulnerability and malware scanning of Unix based systems. Follow this […]

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