Server week : Trust no-one with Owncloud.

Apr 03

Dropbox changed its terms of service so they can give you data to the Feds if they just ask for it, Ubuntu shuts down the online fileservice “Ubuntu One” : Who can you  trust these days ? The great thing with cloud solutions is that they are on a server far far away, most of them are free and you never have to maintain them. The downside is that they are on a server far far away, they are free and you cannot maintain them. We give up a certain level of control for the convenience of the cloud. It would be of course far nicer if you had a service that offered you all the luxury of the products mentioned above .. but gave you full control, absolute privacy and a completely controlled solution. (and free ! It has to be free).

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Do not fear : Owncloud is here.

Owncloud is a self hosted cloud solution that gives you the luxury of the cloud in the privacy of your own home (or on your own hosted environment). Its a cross platform webservice that gives you the ability to store files in the “cloud” and access them from anywhere, Sync those files with your desktop (like Dropbox) You can share your files with friends and access them using mobile clients on Android and IOS devices or a simple browser window.

Don’t trust the cloud with your Calendar and contacts ? Owncloud takes care of that too. Manage your contacts and calendars straight from Owncloud or sync them up with your mobile devices using open standards like .vcard and caldav. 

Tired of the tracks on Groovebox or spotify ? Would you like to stream your music (and movies) from your own hard drive at home ? Owncloud even has an answer for that. The built in media player lets you access your library from anywhere as long as you sport at least a browser (AND some underwear .. Owncloud is classy like that).

Want to tie all of your different cloud services together ? Owncloud supports connecting external storage to the service (like network and usb drives) but can also connect to Dropbox and Google Docs, offering ALL those files up in one simple interface.

So what does it take ? 

Installing Owncloud is pretty simple. All you need is a linux server and you can choose to install Owncloud either from the repositories (if you are using Ubuntu or Debian) or you can go and download version 6 straight from their website. 

Owncloud is based on a web based server so you can access everything from port 80 and add some security by choosing to go for https to do your authentication (highly recommended).  You can run it on your server at home OR on a webspace you rented somewhere (or if you are really lucking on your own hosted server in some datacenter). You don’t need a lot of power, but Owncloud does need some ram and some cpu power if it is going to manage and index thousands of files for you.

So how do I do it.

Find out more.

In all , Owncloud is a very powerful solution when it comes to hosting stuff yourself. It has come a long way since version 6 and I have been a big fan of the convenience, the cross platform compatible-ness (is that a word ?) and the sheer power of integrating multiple storage locations (usb drives, network drives, cloud storage) to ONE single web interface. Try it .. you’ll be on cloud 9.

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The Knightcast Episode 33 : Virtualisation.

Jul 08
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The Knightcast Episode 33 : Virtualisation

Summary.
In episode 32 we talk about my upcoming wedding, but most importantly look at the power of virtual machines. Learn how to tune tech into your way of life and 'virtualise' your entire computerlab to just one machine. By using free software you can now run XP in Linux, Linux in XP, XP in MacOS and more. 
Shownotes. 
* Part one : Recent Events.
* Busy week / been Sick
wedge Getting married.
* Next podcast : The Wedding cast.
wedge Going on Holiday
* Extensive digital coverage of the holiday coming up.
wedge Member of the latest Techroundtable.
wedge Part 2 : Virtualisation.
wedge So .. you have some extra processor time
* The 1.5 Gigahertz Paradox.
* Perhaps you have to many computers.
wedge Virtualisation : What can you do with virtualisation
* Test systems
* Switchers systems
* Simple Servers (home test server / multiple home servers)
* Networking tests. (virtual networks.)
* Secure Surfing.
* How does Virtualisation work.
* Pro's and Cons of virtualisation.
wedge Virtualisation software.
wedge For Pc :
wedge Vmware.
wedge For Mac :
wedge Parralels
wedge
wedge For Linux :
wedge Vmware Player
wedgeedge Qemu
wedge Xen
wedge Use the free VMware player + easy VM creator.
wedge Part 3 : Installation of the Clients.
* Installation of The client
wedge On Windows
* Download free VMware player.
wedge On Linux
* sudo apt-get install vmware-player
Make sure you enable multiverse — that's where the non-free stuff goes.
wedge Downloading the EasyVm images.
wedge Easyvmware
wedge Vmware site
wedge Build your own
wedge Download Ready and able VM's
* Mac : Virtualisation using Parallels.
wedge Signoff.
wedge Getting married next week.
wedge The wedding cartoon.
wedge Send feedback
wedge Listener Feedback.
wedge Sweet Crystal.
* StickClicks
wedge The Global Geek podcast.
wedge Kevins Mom Dorothy.
* Goodbey !
wedge Music provided by our Talent Scout DJ Infamous
* Track 1 : DJ Moody : ISV.2
* Track 2 : Another Theory : In time.
For more information : Visit www.knightwise.com. 

{mos_sb_discuss:5}

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Virtual insanity : Xp in Linux or Linux in XP.

Jun 21

A whole new deal. 

Very soon we will see a culture shift, A change how people interact on the computer scene. My prophecy is nothing less then the end of the almost relidgious ‘ OS- Wars ‘. From newbie to web-lord, we have all played the paralympic game of ‘ what’s the better OS’ Wether in forums, in chatrooms, in endless slashdot threads or even in the comfort of our own pub : We’ve all been there. Wether Xp is better then 2000, Why Mac Os is better then Windows , and we’ll never forget the face of our local Linux Guru foaming at the mouth after he had to endure your proclamation that Windows ME was the best operating system ever written. ( And he never spoke to you again. ) But very soon the question “What’s your operating system” will be replaced by “ What’s your Primary Os ?”. Any computer with a processor speed over 1.5 gigahertz is quite frankly a waste of money. You don’t see a specific speed increase when you buy a 3 gigahertz or more . Ok , Windows will boot faster , but that does not mean YOU can work any faster. I mean , the processor is not the bottleneck of the system.  The question is : What to do with all this extra operating system power … More eye-candy ? Perhaps Vista will be more then happy to gobble up a few million cycles just for Balmers personal pleasure.  OR .. we can make the cycles pay off by jumping on the virtualisation train.

 All aboard ?

What do you do when you have one OS running , but your computer can carry twice the load ?  Well , lets install ANOTHER operating system. I’m not talking Dual Booting here, I’m talking Virtualisation. Running a second Os , INSIDE the first one. The “Base OS” is the main operating system you are running, The “ Guest OS is a virtual version of an operating system neatly compressed into one file.

 

 

jj

 

 

Why ?

I know what you are saying. But why “ma cher Knightwise” would i do this ? Here is why.

  • Perfect testing : The virtual machine you installed is just ONE FILE. After you install it , make a backup and start fumbling around. Messed up the Guest OS ? Just drag your copy back and you are good to go. You can easily install all kinds of operating systems without having to worry about partitioning.- Space and energy saver : Who said you had to stop with running just one Guest OS . Instead of bricking up your bedroom with countless pc towers you can now have them running as virtual machines on one machine. Needless to say you save money by just owning one pc, you save power cause you only have one power supply to feed and save valuable bedroom time with your space because she doesn’t have to be mad at you all the time for junking up the house with your old ‘test machines”.
  • Switchers trouble : I have seen people by a PC or a Mac just for that one task. I’ve seen people buy an extra pc for their on-line banking. I’ve seen switchers go back because they could not get a certain application working on a certain platform. Well, There is an end to switchers trouble and you have all walked through the gates of Sliders heaven (Sliders = cross platform users). Personally I wanted to switch my main machine to linux because I could not get MSN messenger running webcam sessions. (Microsoft does not want to clear  the code ) So .. I installed Ubuntu, ran Windows XP as a virtual machine and did the impossible, ran the two Os’es at once and did my Webcam stuff without any trouble. I run Xp on my mac for consulting purposes (when i need to get into a Windows network)  and I run Ubuntu in my Xp for testing everything out before I make changes to my ubuntu server.
  • Servers dream :  The crappy thing about running multiple servers at home is the fact that they eat power. Now you can run several ‘virtual’ servers on the same machine and just have one power supply to feed.

And how do i Do that ?
Before we start : Be sure you have enough memory in your Base Operating system. Each guest operating system requires a chunk of ram. The bigger the chunk, the better the speed. Also see that you have enough storagespace. Not only so the Guest OS can grow to its full potential (About 4 gig”s will do) you also want to make  backup copy’s of every clean installed os that you have.  Wether you want to run Linux in Xp or Xp in  Linux , you need the free vmware player . This is a free application that lets you use pre-built images of virtual machines. So you cant ‘build’ your own virtual machine , just use one that has been pre-built. Now this ‘building’ of a virtual machine tells the virtual machine how to act. Luckily I found THIS site where you can download FREE virtual machine configuration files for just about any operating system you wish. All you need are the installation cd’s of that OS and you are on your way.  I’ll be playing with virtual machine more as the week progresses and keep you posted on the results. Meanwhile my “ Piece de resistance “ is a screenshot of an msn webcam session in Windows XP , running as a virtual machine on my Ubuntu (base) workstation.  Sliders .. the end of our troubles is in side and we are virtually saved.

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