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Centos 29

A collection of tutorials to manage CentOS and Redhat based systems, including performance tuning, installation, administration, and troubleshooting.

 

How To Install NTPD On CentOS 7

NTP (Network Time Protocol) is a protocol which allows computers to synchronize time.  NTPd is a daemon that maintains the system time in synchronization with other NTP servers. This prevents drift which is the slow inconsistency of time on computers internal clocks. Keeping system time accurate is particularly important for system logs, replication, and applications. […]

5 years ago More
 

Install And Configure ProFTPD On CentOS

ProFTPd is an Open source FTP daemon, widely used for its granular configuration ability.  This is a guide to provide install methods for both CentOS 7 aswell as CentOS 6 and below.  You can read more about ProFTPD on the project’s website. Install ProFTPD ProFTPD is in the EPEL repository, you will need to install […]

5 years ago 4 More
 

How To Upgrade Supervisord In CentOS 6

Supervisord is a simple system for process management and monitoring.  It can start processes or restart them when they crash. The repositories for CentOS 6 for supervisor are quite old (version 2.x) which do not contain the latest features.  You can read more on the project’s website.  If you already have an existing installation installed through […]

5 years ago 3 More
 

How To Setup SSH Key Authentication

SSH key authentication can be used for password-less login between 2 servers. This is also useful for adding a key to accounts like git or gitlab for version management. Source Server SSH Key Configuration Generate a RSA key for this system by typing the following ssh-keygen -t rsa The key generated will ask for a […]

5 years ago More
 

Install mod_deflate on Apache

Mod_deflate is an apache module. Prior to having mod_deflate it was mod_gzip. Post apache 2.0 mod_deflate is used, it provides a slightly better compression than mod_gzip. It allows the size of certain file types to be compressed which in-turn allows clients to be able to download these files faster. This will cause the site itself […]

5 years ago More
 

FFMpeg Install On CentOS 7

FFmpeg is a video editing software that can be used to convert audio and video streams in linux. Compiling ffmpeg from source can be quite complex, so there are a couple alternatives, either installing from yum or a static build already created.  If you are looking for a more recent release than you should follow […]

5 years ago 2 More
 

Block Countries With Nginx and GeoIP

You can use nginx to either allow or deny certain countries from accessing your site using the GeoIP database which maps IP addresses to the origin country. Nginx GeoIP Requirements Nginx Installation – Nginx must already be installed on your server if it is not yet. Please see How to Install Nginx Nginx must also be […]

5 years ago More
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We love Linux and are dedicated to creating Linux administration tutorials for System Administrators since 2016.

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