Installing Virtualmin

What is Virtualmin?
Virtualmin is a powerful and flexible web hosting control panel for Linux and BSD systems. Available in an Open Source community-supported version, and a more feature-filled version with premium support, Virtualmin is the cost-effective and comprehensive solution to virtual web hosting management.
Requirements
Any of the below OSes and architectures:

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Installing docker with Ubuntu 16.04 LTS, Mint 17 and CentOS 7

Installing docker with Ubuntu 16.04 LTS, Mint 17 and CentOS 7
A brief introduction to virtualization
Today we will learn installing docker with Ubuntu, mint and CentOS 7 Linux,  Before the evolution of the concept of virtualization, to run one application one dedicated server was required,  if you wanted to  run 20 …Read More

Understanding Containers, user space, userland and kernel space

Perhaps you’ve been charged with developing a container-based application infrastructure?  If so, you most likely understand the value that containers can provide to your developers, architects, and operations team. In fact, you’ve likely been reading up on containers and are excited about exploring the technology in more detail. However, before …Read More

Centos Recover broken rpmdb or missing packages

Centos Recover broken rpmdb or missing packages

Centos Recover broken rpmdb or missing packages
Did you ever encountered broken rpmdb ? Missing packages, filesystem corruption at /var/lib/rpm and ran out of backups or a restore isn’t possible ? You can fix it in Centos Recover broken rpmdb or missing packages  and on other RHEL based systems too.

Let’s assume that …Read More

20 IPtables Examples For New SysAdmins

Configure FirewallD in RHEL/CentOS 7 and Fedora 21/22

In a previous post I’ve showed how to disable firewalld and roll back to our favorite post-systemd iptables firewall. In this post we gonna see how to Configure FirewallD in RHEL/CentOS 7 and Fedora 21/22.

Firewalld is a dynamic daemon to configure and manage firewalls (iptables rules typically) with support for …Read More

Enable Apache UserDir In CentOS 7 / RHEL 7 with SELinux

Enable Apache UserDir In CentOS 7 / RHEL 7 with SELinux

Lets show you how to install userdir for Centos 7 with Selinux Enabled. In this method all users should have their own public_html directory.

1. Go to root user

2. Create /etc/httpd/conf.d/userdir.conf file

Install apache: 

Enable Apache Userdirs

add:

Restart apache

Then create user’s public_html and assign permissions.

Then here’s the other new things, especially you are using …Read More