Browsing Tag

RHCE

Automate RHEL and CentOS Installation on KVM with Kickstart

SXI ADMIN Sep 29, 2019

(: April 19, 2019)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…
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How To

Top RHCSA / RHCE Certification Study Books 2019

SXI ADMIN Sep 29, 2019

(: July 21, 2019)IntroductionFrom Red Hat’s webpage, the performance-based Red Hat Certified System Administrator (RHCSA) exam (EX200) tests your knowledge in areas of system administration…
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How To

Install and Use Stratis to Manage Local Storage on RHEL 8 / Fedora

SXI ADMIN Sep 29, 2019

(: December 11, 2018)Stratis is a local storage-management solution for Linux focused on simplicity and ease of use. It uses Linux’s devicemapper subsystem and the XFS filesystem. Stratis also gives…
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How to Check TCP connections States in Linux with Netstat

SXI ADMIN Sep 29, 2019

(: September 10, 2018)TCP (Transmission Control Protocol) is a standard that defines how network conversation between two systems is established and maintained to facilitate an exchange of data…
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How to install ovirt guest agent on Linux

SXI ADMIN Sep 29, 2019

(: August 21, 2017)Install ovirt guest agent on Linux: Hello good people. Today I would like to show you how to install ovirt guest agent on Linux. The process is fairly simple and will provide the…
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How to extend root filesystem using LVM on Linux

SXI ADMIN Sep 29, 2019

(: April 19, 2019)Welcome to our guide on how to extend root filesystem using LVM on Linux. This will cover both ext4 and XFS filesystem root partition extending. To demonstrate a complete LVM…
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How to create local CentOS 6 and CentOS 7 mirrors and Epel Mirrors

SXI ADMIN Sep 29, 2019

(: July 2, 2017)Hey good people. Today in this short tutorial I’ll share with you tips on how to create local CentOS 6 and CentOS 7 mirrors. This is beneficial when you have a good number of systems…
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virsh commands cheatsheet to manage KVM guest virtual machines

SXI ADMIN Sep 29, 2019

(: March 22, 2018)This is a comprehensive virsh commands cheatsheet: Virsh is a management user interface for virsh guest domains. Virsh can be used to create, pause, restart, and shutdown domains.…
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ssh cheatsheet for Linux SysAdmins

SXI ADMIN Sep 29, 2019

(: March 22, 2018)Hey all, welcome to ssh cheatsheet for Linux SysAdmins. This contains ssh commands you need for your daily administration of Linux Infrastructure. SSH which is also referred to as…
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Understanding and Working With BtrFS Filesystem in Linux

SXI ADMIN Sep 29, 2019

(: August 12, 2017)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…
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Getting started with Xen Virtualization On CentOS 7.x

SXI ADMIN Sep 29, 2019

(: January 8, 2018)Welcome to Getting started with Xen Virtualization On CentOS 7.x. Xen is an open-source bare-metal hypervisor which allows you to run different operating systems in parallel on a…
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Getting Started With Firewalld on RHEL7 and CentOS 7

SXI ADMIN Sep 29, 2019

(: March 1, 2018)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…
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How To

Working with qemu-img in Linux

SXI ADMIN Sep 29, 2019

(: April 19, 2019)Working with qemu-img in Linux: This is a brief qemu-img cheatsheet for working with qemu-img command on Linux and Unix systems supporting qemu. I made this qemu-img cheatsheet for…
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Configure SELinux man pages

SXI ADMIN Sep 29, 2019

(: August 10, 2016)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…
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