Category Archives: adminstration

Password-less SSH access

This is mainly a note to myself because I keep forgetting these two very simple steps, it is only two commands and then you are good to go. Well as the headline says we are going to create an SSH connection without having to enter

Setup & Configure Graylog2 – Centos 7/ RHEL

Graylog2 is a centralized log management system. It is based on Elasticsearch and MongoDB, and are able to analyze and aggregate log messages from multiple sources. I don’t think it would be wrong to say that Graylog2 is one of the big players when it

Add Ubuntu 14.04 to PXE Server

In my latest guide I showed you guys how install and configure a PXE Boot server and how to boot up a CentOS 7 installation. I have been playing around with the PXE Boot server and tried to get it to boot a Ubuntu 14.04

Setup Spacewalk | CentOs 7

Spacewalk is a Linux server management tool where you can deploy VM’s install packages and keep your system up to date. Everything in this tutorial is done as root Add repositories Enable epel repositories

Enable the JPACKAGE repo

Add the following lines and