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HeadachesAbound
Joined: 08 Oct 2003
Posts: 38
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| Posted: Fri Feb 13, 2004 6:35 am Post subject: Running UML on my Linode |
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I can swear that this has been asked before but my search of the forum is turning up empty.
Is it possible to run a UML-kernel within my Linode account? |
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caker
Joined: 15 Apr 2003
Posts: 2392
Location: Galloway, NJ
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| Posted: Fri Feb 13, 2004 6:36 am Post subject: |
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Yes, just changed CONFIG_NEST_LEVEL to 1 when compiling your UML kernel.
-Chris |
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HeadachesAbound
Joined: 08 Oct 2003
Posts: 38
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| Posted: Fri Feb 13, 2004 6:58 am Post subject: |
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Always nice to know that the Site Admin is up at 5:30AM (depending on your time zone) and provides an instant response.
I haven't begun attempting to do anything with UML yet but it is something that I am looking into and just wanted to be sure that it would work before attempting it.. Thanks for the quick response. |
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Maturin
Joined: 12 Feb 2004
Posts: 9
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| Posted: Mon Feb 16, 2004 5:28 am Post subject: |
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I'm new here, so apologies if this has been discussed before.
I plan to host a web site on my Linode, and it just occurred to me that it might be really useful to run nested UML. This is only a half-baked idea, but see what you think:
I will run two UMLs on my Linode: one for production and one for development. Only the production UML will be attached to the outside world via eth0.
To make changes to my website, I copy the contents from the production UML to the development UML, and make changes only in the development UML. After they're sufficiently tested, then I somehow make eth0 be attached to the development UML instead of production, effectively swapping them. Now the development UML is "live", and I rename it to be the production UML.
The benefit of this scheme is that it won't be possible to trash my web site by mistake while making any changes. If I totally blow it (or if apt-get upgrade does something unexpected), then I can just recopy the production UML to the development UML and try again. Only when I'm fully satisfied that it's working on the development UML do I make it live.
What do you think? Is anyone doing this?
Maturin |
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adamgent
Joined: 23 Jun 2003
Posts: 261
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| Posted: Mon Feb 16, 2004 8:03 am Post subject: |
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Hi,
Even though it is possible, in general it is not a good idea as least on linode.
Due to the limited diskspace and memory available it can make things run very slow, espically on the lower end linodes.
Adam |
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