Introduction Recently I've had the pleasure of installing Ubuntu on my desktop. Here are some thoughts and what I initially do: Machine is a: Motherboard: Gigayte GA-EX58-UD3R CPU: Intel Core i7 Memory: 8GB Disks: Intel i300 SSD, 2x500GB and 1x3TB Western Digital Drives Graphics Card: AMD HD6800 Here are some …

Building on the initial post about cfengine we're going to try out some things that may actually be useful. My goal would be to make /etc/resolv.conf identical between all the machines. The server setup is the lustre cluster we built in a previous post. In this post you'll …

Introduction Lustre is a filesystem often used by clusters because many computers can mount the filesystem simultaneously. This is a small log/instruction for how to setup Lustre in 3 virtualized machines (one metadata server, one object storage server and one client). Basic components: VMWare Workstation 3 x CentOS 6 …

Just got one of these - thought it would be a great tool when going to conferences like Brocade Analyst and Technology Day 2012 for example or somewhere where I would need a small computer but don't want to bring a long my normal heavy laptop. Normally I prefer pen and …

After some time the solution I devised on https://www.guldmyr.com/script-to-check-for-an-update-on-a-web-page/ just did not elegant enough (also it stopped working). Instead of getting some kind of output in a terminal sometimes somewhere I decided to make an RSS feed that updates https://guldmyr.com/spotify/spot.xml instead …

Passed the exam! https://www.redhat.com/wapps/training/certification/verify.html?certNumber=111-207-403

In a previous post while preparing for RHCSA I installed kvm post-installation, via the GUI. But how to install, configure and use it only from the CLI? Virt-Manager http://virt-manager.org/page/Main_Page has some details As a test-machine I'm using a server with Scientific Linux 6.2 (with virtualization …

Howdy! In case you saw my previous posts I've been prepping for a RHCE course the last couple of weeks. Here are the posts based on the objectives: http/https dns ftp nfs smb smtp ssh ntp Odds are quite high that I've missed something or not gone deep enough …

1st post - System Management and Configuration Objectives Network services Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below: Install the packages needed to provide the service. Configure SELinux to support the …

1st post - System Management and Configuration Objectives Network services Network services are an important subset of the exam objectives. RHCE candidates should be capable of meeting the following objectives for each of the network services listed below: Install the packages needed to provide the service. Configure SELinux to support the …