In this episode we will make our websites fly with Varnish on CentOS. What exactly is Varnish? Varnish is an HTTP accelerator designed for websites with high traffic. It can speed up you website significantly, especially when you have more reads than writes. It’s designed to handle heavily loaded websites as well as APIs. It’s […]
Hello everyone! In this tutorial I will show you how to increase server security by tuning up configuration of SSH. Before you begin There are basically two requirements for this tutorial: You need to have working SSH keys. You need to be able to login to your server by using them. After completing this tutorial, SSH […]
I will show you how to organise groups and users in CentOS. As an example we will create account for user named developer. The purpose of this account is: logging via SSH instead of using root account access to sudo command for management tasks write access to website files read access to logs Create list […]
Hi there! In this tutorial I would like to show you how to increase server security by using iptables as a firewall. To be honest, not many people are actually using iptables or any firewall. I think that this is bad practice, because you they allow all traffic to go in and out. You should […]
Hi there! Today I want to show you how to install latest version of MySQL Community server (5.7.16) on CentOS 7. I will show you how to install it, set root password, configure server and optimize it for performance. Also I will show you how to create databases and assign users to them. How to […]
In this tutorial I would like to show you how to install latest version of PHP on CentOS 7. If you are using PHP you most probably will want to have latest version of PHP7. PHP 5 support officially ends this year. Version 7 is now commonly used. It gives lot of performance boost and […]
In this part of setup complete webserver we will harden Apache with popular mod_security. Mod_security is a small module that works like application firewall. It protect the app before most common attacks and vulnerabilities. It’s good to have such thing on the webserver. I assume that You have Apache already installed, if not check out […]
Hi there! Today I’d like to show you how do I install and configure Apache HTTPD on CentOS 7. I like to have it installed in minimal and secure way. Beware! This is pretty long tutorial covering lot’s of aspects from compilation, through configuration, SSL/HTTPS/HTTP2, basic hardening etc. How to install Apache HTTPD on CentOS using […]
We need to install EPEL repository for our CentOS. This will be first step to setup our working Web Server. EPEL is additional repository for yum, with tons of useful packages which we won’t find in default base repository. We will use it in the future so let’s start using it now;) In this post […]
Hello everyone! Today I would like to write a bit on configuring SMTP Amazon SES with Drupal. We set up our Drupal installation on Amazon EC2 server. We wanted to change default mail() method in Drupal to SMTP server. As we already used Amazon we wanted to try SES. Here is the short info how […]