Firewalld on RHEL7

Getting Started With Firewalld on RHEL7 and CentOS 7

Firewalld on RHEL7: I’m a person who is nuts about security. Seeing multiple layers of security being circumvented on a network is just against the reasons I’m security-centric all times. Some...
Xen Virtualization

Getting started with Xen Virtualization On CentOS 7.x

Xen is an open-source baremetal hypervisor which allows you to run different operating systems in parallel on a single host machine. This type of hypervisor is normally referred to as type...
BtrFS filesystem in Linux

Understanding and Working With BtrFS Filesystem in Linux

This blog post is aimed at helping you get started with B-tree filesystem (BtrFS). Kernel-based filesystems in the Linux kernel tree are currently over 55 with each filesystem having its pros...
Kickstart on KVM

RHEL and CentOS Kickstart on KVM Automated Installation With virt-install

Hello all. This is my first tutorial on KVM Virtualization prepared as a reference and to help you automate boring GUI-based installation questions. We're using Kickstart on KVM to deploy VMs....
configure KVM networking

Configure KVM Networking With virsh, nmcli and brctl in Linux

There are many choices for network configurations in the KVM host. In this post, I’ll guide you through two main choices to configure KVM networking. We’ll consider internal networking and external...

Configure SELinux man pages

SELinux man pages for installed SELinux Policy are not installed by default on RHEL 7 and CentOS 7. You have to install necessary tools and generate the man pages yourself. In this...