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How To Install And Run A Node.js App On Centos 6.4 64bit
Viewed 4335 times since Sun, Dec 29, 2013
Node.js installationNow that we're ready to install Node.js from sources. First, we'll move to /usr/src directory - the usual place to hold software sources. cd /usr/srcNow, we pick the latest compressed source archive from Node.js website... Read More
How To Install Wordpress with nginx on CentOS 6
Viewed 3708 times since Sat, Jan 4, 2014
Wordpress is a free and open source website and blogging tool that uses php and MySQL. It was created in 2003 and has since then expanded to manage 22% of all the new websites created and has over 20,000 plugins to customize its functionality. Setup... Read More
How To Deploy Node.js Applications Using Systemd and Nginx
Viewed 3499 times since Sat, Jan 4, 2014
This tutorial uses a simple Node.js application, but is applicable to most, if not all, others as well (be they Ruby, Python, etc). For PHP web applications, it is recommended to use a more specialized LAMP or LEMP stack instead.... Read More
How To Work with the ZeroMQ Messaging Library
Viewed 2450 times since Sat, Jan 4, 2014
ZeroMQ ZeroMQ is a library used to implement messaging and communication systems between applications and processes - fast and asynchronously. If you have past experience with other application messaging solutions such as RabbitMQ, it might come a... Read More
How To Set Up an NFS Mount on CentOS 6
Viewed 2261 times since Tue, Dec 31, 2013
NFS mounts work to share a directory between several servers. This has the advantage of saving disk space, as the home directory is only kept on one server, and others can connect to it over the network. When setting up mounts, NFS is most effective... Read More
How To Setup a Rails 4 App With Apache and Passenger on CentOS 6
Viewed 2064 times since Thu, Dec 19, 2013
When the user creates a server instance from a vanilla image (in our case: CentOS 6.4 x64), additional system administration work is needed before a Ruby on Rails application can be run and become available online. This tutorial provides the... Read More
How To Set Up Python 2.7.6 and 3.3.3 on CentOS 6.4
Viewed 1967 times since Sat, Jan 4, 2014
More often than not, as a developer you will be responsible for managing the server(s) your application runs on to a certain degree. When it comes to choosing the operating system, especially for production, going with a sound choice such as CentOS... Read More
How To Install Nagios On CentOS 6
Viewed 1861 times since Sat, Jan 4, 2014
Step 1 - Install Packages on Monitoring Server rpm -Uvh http://dl.fedoraproject.org/pub/epel/6/x86_64/epel-release-6-8.noarch.rpm rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm yum -y install nagios nagios-plugins-all nagios... Read More
Top 10 Linux Easter Eggs
Viewed 1844 times since Sat, Jan 4, 2014
Not a Definitive List... Linux has a history of including some fun "easter eggs" in its software. In this article, we'll tell you about some fun commands and options to lighten up your day. Not all of them are "easter eggs", but we think you&... Read More
How To Create Nagios Plugins With Python On CentOS 6
Viewed 1756 times since Sat, Jan 4, 2014
This time, we will expand on this idea and create Nagios plugins using Python. Step 1 - Install RPMForge Repository and NRPE rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm yum -y install python nagios... Read More
How To Create Nagios Plugins With Bash On CentOS 6
Viewed 1728 times since Sat, Jan 4, 2014
Bash is a popular command processor available on Linux by default. This time, we will expand on this idea and create Nagios plugins using Bash. Step 1 - Install RPMForge Repository and NRPE on client rpm -ivh http://pkgs.repoforge.org/rpmforge... Read More
How To Install cPanel on a Virtual Server Running Centos 6
Viewed 1630 times since Thu, Jan 2, 2014
cPanel is a convenient application that allows users to administer servers through a GUI interface instead of the traditional command line. Although the installation for cPanel is relatively simple, the script does take several hours to run. Notes ... Read More
How To Create Nagios Plugins With PHP On CentOS 6
Viewed 1566 times since Sat, Jan 4, 2014
PHP is a popular programming language that allows you to quickly create scripts and install additional libraries. This time, we will expand on this idea and create Nagios plugins using PHP. Step 1 - Install RPMForge Repository and NRPE on client ... Read More
How To Install Ruby on Rails on CentOS 6
Viewed 1543 times since Tue, Dec 31, 2013
Ruby on Rails is an application stack that provides web developers with a framework to quickly create a variety of web applications. There are three separate processes required to install Ruby on Rails: you need to install Ruby, then the Ruby Gems,... Read More
How To Install Linux, Apache, MySQL, PHP (LAMP) stack On CentOS 6
Viewed 1528 times since Thu, Dec 26, 2013
LAMP stack is a group of open source software used to get web servers up and running. The acronym stands for Linux, Apache, MySQL, and PHP. Since the server is already running CentOS, the linux part is taken care of. Here is how to install the rest. ... Read More
How to Setup and Configure an OpenVPN Server on CentOS 6
Viewed 1515 times since Tue, Dec 31, 2013
This article will guide you through the setup and configuration of OpenVPN server on your CentOS 6 cloud server. We will also cover how to configure your Windows, OS X, or Linux client to connect to your newly installed OpenVPN server. Before we... Read More
How To Protect SSH with fail2ban on CentOS 6
Viewed 1500 times since Tue, Dec 31, 2013
Servers do not exist in isolation, and those servers with only the most basic SSH configuration can be vulnerable to brute force attacks. fail2ban provides a way to automatically protect the server from malicious signs. The program works by scanning... Read More
How To Get Started With mod_pagespeed with Apache on a CentOS and Fedora Cloud Server
Viewed 1490 times since Sat, Jan 4, 2014
One of the more recently popular modules for Apache is mod_pagespeed. It is an output filter for Apache 2.2+ that can be configured through a variety of options through configuration files or a .htaccess file. An "output filter” is a something that... Read More
How to Setup Additional Entropy for Cloud Servers Using Haveged
Viewed 1417 times since Sat, Jan 4, 2014
Brief Introduction to Entropy and Randomness The Linux pseudo random number generator (PRNG) is a special device that generates randomness from hardware interrupts (keyboard, mouse, disk/network I/O) and other operating system sources. This... Read More
How To Create An Off-Site Backup Of Your Site With Rsync On Centos 6
Viewed 1402 times since Sat, Jan 4, 2014
There are two ways to do backup: incremental and full backups. A full backup copies all the data, while the snapshot only handles the changes since the last update. Full Backup Full backup typically does the following: Make an archive of all the... Read More
How To Set Up ProFTPD on CentOS 6
Viewed 1373 times since Thu, Jan 2, 2014
ProFTPD is a popular ftp server. Because it was written as a powerful and configurable program, it is not necessarily the lightest ftp server available. Step One—Install ProFTPD Before we do anything else, we need to download the EPEL... Read More
How To Create Nagios Plugins With Perl On CentOS 6
Viewed 1340 times since Sat, Jan 4, 2014
Perl is a popular programming language that allows you to quickly create scripts and install additional libraries. This time, we will expand on this idea and create Nagios plugins using Perl. Step 1 - Install RPMForge Repository and NRPE on client ... Read More
How To Install Wordpress on Centos 6
Viewed 1320 times since Tue, Dec 31, 2013
Wordpress is a free and open source website and blogging tool that uses php and MySQL. It was created in 2003 and has since then expanded to manage 22% of all the new websites created and has over 20,000 plugins to customize its functionality. Setup... Read More
How To Create Nagios Plugins With Ruby On CentOS 6
Viewed 1252 times since Sat, Jan 4, 2014
Step 1 - Install RPMForge Repository and NRPE on client rpm -ivh http://pkgs.repoforge.org/rpmforge-release/rpmforge-release-0.5.3-1.el6.rf.x86_64.rpm yum -y install ruby nagios-nrpe useradd nrpe && chkconfig nrpe on Step 2 - Create your... Read More
How To Create a SSL Certificate on Apache for CentOS 6
Viewed 1202 times since Tue, Dec 31, 2013
A SSL certificate is a way to encrypt a site's information and create a more secure connection. Additionally, the certificate can show the virtual private server's identification information to site visitors. Certificate Authorities can... Read More
Initial Server Setup with CentOS 6
Viewed 1161 times since Thu, Dec 26, 2013
When you first begin to access your fresh new virtual private server, there are a few early steps you should take to make it more secure. Some of the first tasks can include setting up a new user, providing them with the proper privileges, and... Read More
How To Set Up vsftpd on CentOS 6
Viewed 1115 times since Thu, Dec 26, 2013
The first two letters of vsftpd stand for "very secure" and the program was built to have strongest protection against possible FTP vulnerabilities. Step One—Install vsftpdYou can quickly install vsftpd on your virtual private server in the... Read More