Tagged: RHEL

RAID rack server 1

How to create software RAID in RHEL 7

When it comes to combining solid performance with reliability and recoverability, RAID is sure to show up. RAID is a widely used technology in mission-critical and enterprise environments. Today we’ll talk about software RAID in Linux.

Red Hat 0

RHEL 6.7 released

Red Hat Enterprise Linux is one of the most popular enterprise-class Linux distributions. With its stability, extended support and reliability it is the fundamental of many mission-critical systems. RHEL 7 was released about one year ago,...

OpenStack 0

OpenStack can’t attach cinder volume

Yesterday I was setting up a few things at my home OpenStack server and ran into an ugly problem that took me a while to resolve. I couldn’t attach any volume from the backends I had...

Package 0

DNF, Fedora’s new Package Manager

The currrent Package Manager for Fedora, CentOS and RHEL is YUM. Not for long. With the release of Fedora 22 (on 26th May 2015) YUM will be replaced by DNF. What will change? What are the...

linux permissions security text hash crypt encryption decryption cryptography 0

Yum basics

Whether you are an experienced user or a new one approaching to a Red Hat distribution, you’ll sooner or later hear of YUM. YUM is Red Hat systems’ default package manager, much like APT for Ubuntu...