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Having moved to Xen Cloud Platform recently I don't anticipate there being more Howto's in this category in the future. I do however, keep up the CentOS installation tutorials because of popular demand.
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Xen Cloud Platform is the free/open community driven version of Citrix Xenserver. I've moved all of my Xen Virtual Machines to Xen cloud Platform so any future tutorials will most likely be about XCP. I've found XCP to be a wonderful product but not necessarily an easy tool sometimes thus the tutorials you see below.
Citrix Xenserver has been opensourced and thus there's no need for Xen Cloud Platform any longer. Most of the tutorials here work on both but all future tutorials will be targeting Xenserver. As time permits I'm updating tutorials for Xenserver 6.5 (Creedence) - Jan 15, 2014.
How to get started: Go to xenserver.org and download the latest ISO disk image of Xenserver and install it on a machine. If you don't have a CD drive on your Xenserver host put the installer on a USB drive. It uses the whole machine as it's an appliance so beware. By the way I think this is the best design strategy. It's a good idea to let your Hypervisor/Cloud stack focus on what it's good at and not use it for playing World of Warcraft. ;-)
Expect a great deal more Howtos in the future. Feel free to request them as well. If it's within scope of what I'm doing I may create one just for you.
These tutorials can also be found on the Xenapi Admin Project website and the XCP wiki.
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I use VirtualBox almost every day but I haven't created a product around it in a very long time so the Howto's here will probably be very old until the time comes when I'm digging into it again.
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I don't generally use KVM so the Howto's here are old and probably obsolete.
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I use the SuperBlogger plugin to add blogging features to Joomla! In the past I had article star ratings, links to bookmark the article, digg it, add it to del.icio.us and to post it on Facebook.
As time goes on some of these services have dropped away or have been replaced by others. I'm really starting to use Google+ more so while adding +1 buttons to my template I cleaned it up a bit too. Anymore the big three in social networking is Twitter, Facebook and Google+. The latter arguably may replace both of the former. WIth this in mind I've slimmed down the template to only include Tweet this!, +1 and post on Facebook. There is still a link to Disqus comments as well as I want to encourage commenting. Also the Twitter and Google+ links are both on the main article listing page as well as the individual article page. This allows you to tweet the article without having to click on it's header first. A lot of times I'll post the entire article without a Read More link so people may never see the Twitter, Google+ and Facebook links.
I hope you like the new cleaner look. The old links for PDF, Print and Email are still present as I use them myself. Enjoy
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I've been using Google+ quite a bit lately and have come to the conclusion that it's just about everything Facebook and Twitter are combined plus Picassa, Youtube and Chat included. Because of circles you can follow people and they don't have to follow you back ala. Twitter. You can also post publically like a personal blog or Twitter and people can follow you. If you have something private to say you can post it just to the groups (cough.. circles) or individuals you want. It's both a public blog/notification service and private social networking combined!
However Google doesn't currently have a URL shortener so people can pass around user identities. Yes, you can put a link on your site but it won't be anything you'll put on a business card so a service called plus.to popped up and you can link a Nickname to your Google+ profile.
Here's mine if you want to follow my rants and inciteful thoughts there. I'll continue to post full articles and Howtos here but status updates and thoughts over there.
http://gplus.to/grantmcwilliams
Thanks for your support..
Grant
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I've gotten some feedback about this site never having comments and since I spend a bit of time answering comments I realized that most people that come here do so though a web search engine hit which means they're asking questions after the article has been long gone from the main page. So with that in mind I set out to find a way to make a latest comments block for Disqus the system I use for commenting. This task turned out to be easier than I thought since Disqus has an RSS feed (somewhat hidden for unknown reasons) for each domain. After finding the RSS feed I was able to add a feed module in Joomla and point it at the RSS feed for comments. It needs to be dolled up which I'll do later with CSS but for now there's a comment module on the main page to show which articles have had recent comments.
While I was farting around in the code I cleaned up a few other things. I use the Superblogger plugin to add blogging features to Joomla! such as trackbacks, Disqus comments, Gravitar support and RSS feeds for comments. My Superblogger theme is completely custom as I wanted to maintain Joomal!'s PDF, Print and Email buttons in addition to having comments, ratings, bookmarks and social bookmarking on each article. After staring at the article layout I've decided it's too busy and I've dropped Reddit, MySpace and a couple other social bookmarking engines from the article header. I've also cleaned up some wording in what's left. You can still share the article via Facebook, Digg and Delicious. Twitter support has been disabled temporarily because if the module can't connect to tweetmeme the whole site goes offline - this is not acceptable. However you can tweet the URL manually just fine. Changes were made to the Disqus comment boxes at the bottom of the article as well to make for a cleaner and simpler experience.
Also a little while ago I was curious about how many people are coming to this site over a period of time so I added a new counter module but it looked a bit skanky so I got into the code on that one as well. Now the left hand column shows Who's Online, the number of guests and members currently, the number of people for the day, week, month and ever followed by the login form. Even though this looks like it's one module it's really 3 that I've stacked together.
There will be other slight changes in the future but what I really need to do is get into the CSS and clean up the look even more. The left hand column is bothering me because I don't think there's enough color difference from the main body to set it off. I'd also like to have a bit more white space around articles and there's always the Superblogger article header which is a bit heavy. And don't get me started on the pixelization of my logo. Considering what little time I have it will have to wait.
I'm getting a little antsy over Joomla! 1.6 because it will probably get rid of the remaining 2 or 3 criticisms about Joomla! that I have. With the 1.0 series I cussed quite a bit. With Joomla! 1.5 I cuss once in a while (hierarchical categories anyone?) but it seems that Joomla! 1.6 is fixing the remaining couple of issues. Moving to 1.6 will be a big change as I'll need to upgrade to a version of PHP that isn't included with my Server OS. I don't like that situation but I don't have to worry about it until fall it seems as that's when 1.6 is supposed to be released. Once I move to 1.6 I might be able to get rid of a couple more third party components. Now I'd only need to find a native Joomla! photo gallery to replace my embedded gallery. Too bad that the Joomla! photo gallery people are smoking crack. An example of this is Phoca Gallery's insistance that the size and aspect ratio of photo frames be hard coded so every image has to be the same size and aspect ratio! No amount of debating has changed this situation with the Phoca team and even though there's features added to it at a feverish pace this one "feature" may never change. This means you have to crop and or resize every single image to they're exactly the same aspect otherwise they look like shite. Yes, that also means that you can only have horizontal or vertical images, not both. I don't understand the short sightedness of some people.
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