Add RAID 1 to your pre-existing Ubuntu, originally installed on a single hdd pt.2 - Hands-On. Hands-on article on how to add RAID 1 with mdadm to a pre-existing Ubuntu, originally installed on a single hdd.… Read More
Add RAID 1 to your pre-existing Ubuntu, originally installed on a single hdd pt.1 - Intro Have you ever installed Ubuntu Server onto a physical machine with a single HDD then, after some testing, you finally created your “perfect workingTM setup”? If that is the case, then you'd be afraid to lose all your (hard earned) work and experiments by an HDD failure, right? Well, I haven't reached my “perfect workingTM… Read More
freenx server without sshd password authentication. I think the best method to securely access remote X sessions is with the NX Protocol. It does delegate the auth to the good 'ol openssh server, then wraps all up and sends back-and-forth graphics goodness between two proxy hosts. My scenario is the following: 1) a windows xp rig. 2) an ubuntu lan host with… Read More
How to overcome 2 Thunderbird naggies. Thunderbird Options: How to Open messages on a new window AND how to Enable in-body reply and forward.… Read More
Disable iptables from CentOS. Useful article on how to (not) disable iptables from CentOS.… Read More
keeping eth0 as ETH0. Intro. Sometimes the easiness to add/remove hardware components with virtualization brings plenty of confusion with Linux ethX interfaces. Someday, I removed a network interface from a VM, then I added another I/F and what happened was that my new I/F got the "eth1" name tag (instead of the expected eth0). The Easy solution. To prevent… Read More
The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.5. [Bonus]: INDEPENDENT VMs! Once you decide your Child VM is "mature enough" to stand on its own (i.e.: you want to separate your Child VM from your Father VM, such as to create an "independent" VM), you can simply create a new "traditional" vhd, plug it into your Child VM, then a simple dd-magic command… Read More
The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.4. Hi, hope you've followed my previous articles (over the last couple of days I've been pretty busy...), since this article builds on the previous ones. Just in case you missed them, here, have a look: The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.1 - A Summary. Download the programs needed. Create the… Read More
The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.3. Now it's time to create the Father Virtual Machine, install CentOS-minimal, then install the "Linux Integration Services for Hyper-V" component on it. First you'll have to create a New Dynamic Virtual Hard Disk Drive (the VHD), then a New Virtual Machine, based on your New Dynamic VHD Drive. New Father Dynamic VHD. From the Hyper-V… Read More
The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.2 Assumptions. This guide is built assuming the following software: Microsoft Windows 2008 R2 SP1 with the Hyper-V Role enabled. CentOS-6.2-x86_64-minimal.iso. Linux Integration Services for Hyper-V 3.2. Download CentOS-minimal. The first thing to do is download an updated CentOS-minimal distribution. I suggest you get the x64 build because Windows Server 2008 R2 SP1 works natively on… Read More
Install/reinstall or restore gnome2 on CentOS through CLI. How to fix Gnome2 problems on CentOS 5.x series.… Read More
The fastest CentOS VM Deployment on MS Hyper-V Servers - Pt.1. Intro. This article series is related to my latest speech at the Linux SA Meeting on Tuesday May 15th, somehow related to my previous post about CentOS Networking configuration ([SOLVED] CentOS 6 networking and Hyper-V) and to my recently released VHD/Virtual Appliances (New Centos-6.2-x86_64-minimal Hyper-V VHD - Ubuntu 12.04 LTS X64 Desktop Hyper-V Virtual Appliance… Read More