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Why I’m uninstalling Ubuntu

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I wouldn’t normally write about this kind of move, but I’m in a position where I feel I have to. A little over a year ago I made a decision to move from Fedora to Ubuntu, it wasn’t a decision that was easy after all I have been using Fedora since its first release, and Red Hat since around version 5. Needless to say I was (and still am at heart) a die hard Red Hat fan. There seemed at the time to be a draw to Ubuntu, I was feeling a buzz around the community there that I wasn’t really seeing with Fedora (although I don’t think I was looking), a lot was going on around the Unity project – whether good or bad, it was still going on. So I jumped right in, installing the latest release 11.10 I think it was, joined the forums/wiki/launchpad etc and started filing bugs and generally making a nuisance of myself.

All was good, I really felt like I was a part of something, even went as far as installing the latest test release (as I still am) and it really is a great distro. Unity took me a bit of convincing, but how most things just integrated was brilliant. I even gave a small donation when they asked.

So what went wrong? Well around a year later, I’m still running the latest testing release and still like the distro as a whole. Unity has broken (something in my profile) so I’ve reverted back to Gnome 3 which I’m quite happy with, but thats not the issue. The issue can probably only be described as politics and game playing. Now the Amazon thing didn’t really bother me too much, I kind of understand the reasoning behind that (besides, I uninstalled it) the donations thing was probably an unfortunate mistake. What isn’t a mistake however is taking people for a ride, both community members and the gen-pop.

So lets look at the madness behind Mir, a while ago it was announced that Wayland was to be integrated into a future release of Ubuntu, yet recently it was announced that they would be using their own product MIR. Did the Ubuntu community know about this? It seems not, but yet they have been working on it for over 8 months. Not community spirited if you ask me. I can kind of understand where they are going with Mir, so they can use it across all the devices they want to take over, but still… I just dislike the fact they have done wonderful things for Linux in bringing it to the masses, then deviate from the whole ethos of open source.

Another thing which disappoints me is the whole hoohar around the devices thing, showing what can only be described as a skin for Android really at large conferences just really proves who/where they are trying to be. If only they would stop with the big WOW factor announcements which don’t really have any substance and push for better software in the community, perhaps adopting a business model similar to Red Hat as it seems to have done OK for them.

On a more positive note, I’m quite glad to go back to Fedora, things are looking fantastic there and upstream which is where my heart truely lies!

GlusterFS Quickstart Howto on Fedora

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GlusterHere’s a (very) quick howto showing how to get GlusterFS up and running on Fedora. Its probably better situated on a distro like CentOS/RHEL, Ubuntu Server LTS or Debian stable but where’s the fun in knowing it won’t break? Most of these commands are transferrable to other distros though, its Fedora centric due to the use of yum, selinux and systemd (systemctl).

2x (or more) servers running Fedora, I used 18 in this example but i’m sure it shouldn’t change a great deal for newer releases. If it does I’ll try update this doc. The idea behind this setup is to use 2 servers as hypervisors (KVM) and have local storage but reslience, I won’t be covering the virtualisation side, purely storage so VM’s will be adequate for this setup.

So at this point we should have 2 clean installs of Fedora on 2 servers fully updated.
For arguments sake we’ll all them host1 and host2. with IP addresses of and respectively.
(you will need to add hostnames and IPs to /etc/hosts if you don’t use DNS)

Lets disable selinux and iptables for now to make this process easier:
sed -i s/SELINUX=enforcing/SELINUX=disabled/g /etc/selinux/config
setenforce 0
systemctl stop firewalld.service
systemctl disable firewalld.service

yum install nfs-utils glusterfs-server
systemctl start glusterd.service
systemctl start rpcbind.service

OK so now we’re installed we’re ready to start setting up Gluster, lets create a directory on both servers

root@host1 ~ # mkdir /gluster
root@host2 ~ # mkdir /gluster

Now lets get a volume created:
Do this on only 1 host.

root@host1 ~ # gluster peer probe host2
root@host1 ~ # gluster volume create vol1 replica 2 host1:/gluster host2:/gluster

These commands told the 2 hosts to become “friends” then created a glusterfs volume called vol1 with 2 replicas (hosts), you will need to change this to the number of hosts you run, and the paths to the volume on each host.

When you run the last command above it will tell you that your volume creation has been successful and that it needs to be started to access data. Lets do this:

root@host1 ~ # gluster volume start vol1

So now we have a functioning gluster cluster we need to mount it somewhere.

root@host1 ~ # yum install glusterfs-fuse glusterfs

Installs the relevant software to allow us to mount the volume, lets create directories and mount:

root@host1 ~ # mkdir /store
root@host2 ~ # mkdir /store

root@host1 ~ # mount -t glusterfs host1:/vol1 /store
root@host2 ~ # mount -t glusterfs host2:/vol1 /store

You should now be able to create files in /store on host1 and them be visible to host2 /store. Notice how we mounted the volume on the same machine it is hosted, this way we are always writing to local storage and syncing out.

Update: the same instructions will work on CentOS/RHEL/Scientific Linux, you will just need to install the EPEL yum repositories first – http://fedoraproject.org/wiki/EPEL

Post Virtualisation Talk

Well I finally got there, after a bout of illness causing me to postpone the talk, I finally delivered it last night.

The equipment performed flawlessly, thankfully.. After my asterisk talk you’d think I’d learn to turn off DNS lookups in SSH though.

The only downside was that when I ran through the talk I was installing packages so was actually tight on time, didn’t think about the fact they were already installed so I finished a good 20 mins early. Would have given me time to talk about something I really wanted to include, GlusterFS.

Must say I’m looking forward to the Christmas do on the 10th, and even more so to Tim’s roll your own distro in January.

s’all for now.

Virtualisation talk

So this coming Monday will be the 2 year anniversary of the Rossendale Linux User Group, not too shabby really. Not marking the occasion or anything but I’m going to be running a talk/demo on virtualisation under Linux. Seems to be the pet project I’ve worked on the most so have a fairly polished setup to talk about.
But why make it easy on myself? I normally use CentOS for server builds but just for a change, as it seems to be the way I’m heading, I decided to give Ubuntu a shot.

Turned out quite well and seem to have the same polished end product.

Monday will be the part one of the talk, as i’m sure to come up with a part 3 – I’ve already decided that part 2 will be on openstack, but may change that to part 3 as the natural progression of virtualisation would have something in between. Such as heartbeat monitoring for high availability or better clustering techniques etc etc.

I guess its to see how well part 1 goes first!

Oh and if you are wondering, part 1 contains, building a server, creating vm’s, bringing online a second server, using shared storage, migrating vm’s between hosts, clustering the storage.

I guess another element to the middle part would be to automate the migrations etc…

see here http://rosslug.org.uk/doku.php?id=meetings:12_november_2012 for a fairly comprehensive run through of the talk.

If anyone reading this is from the Rossendale or East Lancs area and fancies coming along to said talk, then please do all are welcome!!!
You can find details of the location of the meetings here: http://rosslug.org.uk/doku.php?id=meetings:venue