3 Ways to Enable and Disable Linux Services

Linux services or daemons are programs that typically start when the system boots and remain running in the background until the system shuts down. What follows are three distinct ways to manage services RHEL and CentOS servers.
1. chkconfig – You can use this simple command to show current services, enable them, disable them, […]

Setup and Configure CentOS Server Part 2

In part one, we began by changing the root password and then creating an account that will be able to escalate to root privileges when needed. Now, you need to make sure that only that user can become root and not anyone else.
The easiest way to do this is to use the “wheel” group. You […]

Setup and Configure CentOS Server Part 1

CentOS is essentially a free implementation of the open source code from Red Hat Enterprise Linux. Logos and other trademarks aside, CentOS is RHEL at its core without the licensing fees. As such, CentOS has become very popular among server administrators as an ideal Linux server solution. This brief tutorial will explain how to get […]

Ubuntu Server Name Resolution Settings

If you have been following our Ubuntu server series, you have learned how to setup a LAMP server and configure an APF firewall. In order to do any of this, you likely already had your networking configured correctly, but if you do not, this brief tutorial explain how to setup name servers and ensure they […]

3 Ways to Configure Services to Start at Boot in CentOS: Part 2

In part 1 of this series, you learned how to use the command line interface (CLI) and a program called chkconfig to configure services to start at boot on a Linux dedicated server. In this part, you will learn how to use the unique Red Hat “Setup” utility and Webmin’s web-based control panel […]

How to Setup and Use KVM: Part 3

This is the third part of a series on KVM. If you have not already read them, you should begin with part 1 and continue with part 2.
Once you have KVM installed, you should make sure that you have libvirt installed as well. If not, install it now.
# yum install libvirt
Next, […]

What to Do When Package XYZ is Not Available

Dedicated Servers do not need a lot of software to run. You have your operating system, basic system services, the web server, mail server, database server, and a firewall. Depending on your setup, you may have other applications, but you usually do not need to install any exotic software. Web applications cover most frontend functions. […]

How to Autostart Services In Red Hat, CentOS, and Fedora

On a Linux dedicated server, certain applications can run as daemons. These are programs that begin running when the server boots and remain in the memory for the duration of the server’s uptime. Normally, when you install one of these programs, the system will automatically add them to the appropriate directories, such as “/etc/rc.d/init.d”.
There are […]

The “setup” Command on Red Hat-Based Servers

Server configuration can be time consuming, even if you happen to have a web-based control panel. On Linux-based dedicated servers, you can find configuration files for most of the applications and services in the /etc directory. These are text files that are not difficult to edit, but they do often require you to […]

How to Disable Unused Services on a Server

For most operating systems, applications can either run when the user executes them or run in the memory as a daemon or service from the time the computer starts. Like any other software, these memory-resident programs require resources, both RAM and CPU.
Linux distributions are designed to run on a wide variety of hardware, from […]