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Best CentOS Tutorials

Our CentOS Tutorials let you expand your Linux knowledge. Our step by step CentOS tutorials are easy to understand and are backed up by true Linux professionals. Don’t waste time researching, we have the most popular CentOS Tutorials with real life examples, tips and tricks so you can become a true CentOS master.

Windows XP can’t connect to Samba on CentOS 7.x

centos tips and tricks

I have a customer that has two servers, one with CentOS 5.x and Samba 3.x, it was able to connect from all kind of Windows computers to the shared directory by Samba. However, on a new CentOS 7.x running Samba 4.x, all machines could connect except the ones using Windows XP, and some Windows Server 2003 clients. The…

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Recursively Optimize PNG Files

Images are often one of the most overlooked things when publishing content inside a website. Editors upload images freely and most of them don’t rely on using the correct image format, or even worse, they don’t bother to optimize the image at all. However, the Linux terminal offers a great way to recursively optimize PNG files. Install OptiPNG and PNGCrush…

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Install / Upgrade to PHP 7.1 on CentOS 7 / RHEL 7 using Remi RPM Repo

Days ago I had to upgrade to PHP 7.1 on the server, it was a major upgrade since I was running PHP 5.6.x. This was on the top of my todo list after I read that PHP 7.1 was 20% faster than PHP 7.0 (and we all know PHP 7.0 is around twice as fast as PHP…

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Let’s Encrypt: The client lacks sufficient authorization :: Invalid response

Recently I started using Let’s Encrypt SSL certificates for my site Let’s face it, Let’s Encrypt has changed the way we install SSL certificates. The old days when you had to fill in your company and personal details, generate the CSR code, and then submit to the SSL registrar, to finally wait for the CRT code ware…

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Install MySQL 5.6 on CentOS 7 / RHEL 7

In this tutorial we will explore a quick and simple way on how to install MySQL 5.6 on CentOS 7 / RHEL 7. Previously we already wrote about how to install MySQL Server 5.6 on CentOS 6 / RHEL 7. CentOS and RHEL 7 comes with MariaDB by default. MariaDB is the database standart daemon used to replace…

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CentOS 7 vs CentOS 6 – List of Important Changes

CentOS 7 introduces many important changes from previous versions like CentOS 5.x or CentOS 6.x. That’s why today we are going to show you CentOS 7 vs CentOS 6 important changes At my web hosting company we always delay the usage of new Linux distributions, because the on the first months or years of a Linux distro are…

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How to Install MySQL 5.6 on CentOS 6.x

Today I had to upgrade my MySQL server from MySQL 5.5 to MySQL 5.6. This was the procedure I used to update, but you can also use it to install from scratch if you need. Let’s begin with this guide to show you how to install MySQL 5.6 on CentOS 6. Requirements Plain CentOS 6 box (without cPanel) Fresh…

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