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...
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...
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...
Getting Started and Working with Puppet 4 On RHEL 7 and CentOS 7
Puppet is a Systems Configuration Management/Systems Automation framework written in Ruby that allows system administrators to programmatically provision, configure, and manage servers, network devices, and storage, in a data center or...
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....
Dockerizing Zimbra Collaboration Suite On RHEL 7/CentOS 7 Base Image
I’ve been working on Dockerizing Zimbra on RHEL 7 base image. The hard work has finally yielded fruits and in this post I’m going to share my Docker github repository which...
Getting Started With Secure HAProxy on Linux
In this getting started with secure HAProxy on Linux blog post, I'll walk you through important concepts you need to start working with HAProxy.
Load Balancing is a common argot for Webmasters...
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...
Top Things to do after fresh installation of CentOS 7.x minimal
After fresh installation of CentOS 7, the following are list of things that you may consider doing to get your server ready for any kind of setup. The list is not ...
How to fix Vmware Workstation and Vmware Player can’t start problem on fedora...
I realized that after you install Vmware Workstation and Vmware Player on Fedora 23, it's a pain in the back getting it start and run.I feel Fedora team should have fixed...