How To Encrypt Tomcat 8 Connections with Apache or Nginx on CentOS 7

What is Apache Tomcat and why are we bothering to encrypt it? Apache Tomcat, or ‘Tomcat Server,’ is a web server and servlet container, usefully designed to serve Java applications. It is a very flexible…

How To Create a Self-Signed SSL Certificate for Nginx on CentOS 7

Introduction TLS, or transport layer security, and its predecessor SSL, which stands for secure sockets layer, are web protocols used to wrap normal traffic in a protected, encrypted wrapper. Using this technology, servers can send traffic…

How To Create an SSL Certificate on Apache for CentOS 7

Introduction TLS, or “transport layer security”, and its predecessor SSL, which stands for “secure sockets layer”, are web protocols used to wrap normal traffic in a protected, encrypted wrapper. Using this technology, servers can send traffic…

How To Set Up Apache Virtual Hosts on CentOS 7

Introduction The Apache web server is the most popular way of serving web content on the Internet. It serves more than half of all of the Internet’s active websites, and is extremely powerful and flexible.…

How To Install Apache Tomcat 8 on CentOS 7

Installing Topcat 8 web server on CentOS 7 Apache Tomcat is a web server and servletcontainer that is used to serve Java applications. Tomcat is an open source implementation of the Java Servlet and JavaServer…

What is yum and how do you use it?

What is yum? YUM Repositories are warehouses of Linux software (RPM package files). RPM package file is a Red Hat Package Manager file and enables quick and easy software installation on Red Hat/CentOS Linux. YUM…

How to set up your new CentOS 7 server

So you have a fresh new server, now what? There are a few configuration steps you’ll need to go through before you can start playing around with your new kit. This is for security and…

Editing the Sudoers file on Ubuntu and CentOS

Introduction Privilege separation is one of the fundamental security paradigms implemented in Linux and Unix-like operating systems. Regular users operate with limited privileges in order to reduce the scope of their influence to their own…

How To Add Swap on CentOS 7

Enable SWAP on your CentOS 7 Server One of the best ways to make your server more responsive and guard against out-of-memory errors or applications crashing is to add SWAP space. SWAP is an area…

How to install and configure PHP Zend Opcache

What is Opcache you ask? Opcache is a PHP extensions that will help to improve server & applications performance. There are many popular opcode caches like eaccelerator, xcache, apc, etc.  Opcache is recommended in almost all…