Xen users - Dec 2008 - some xen concepts

Hello

 

I''m new on Xen, so I just installed Xen using this
<http://www.howtoforge.com/ubuntu-8.04-server-install-xen-from-ubuntu-reposi
tories-p2>  guide  and everything works fine, but I''ve got some
doubts about
some concepts in it

 

First at all, it says it''s a good idea to stop apparmor

 

/etc/init.d/apparmor stop
update-rc.d -f apparmor remove

 

What is it good for ?

 

It also says to disable tls in both the host and the guest .. once again,
what is it good for to disable it, can cause problems if  I don''t
disable ?

 

Last,  it says to add , in /etc/modules 

 
loop max_loop=64

 

I omitted max_loop, let the kernel as it was built by default  (just with
the loop). can this cause problems ?

 

Last, I just played a little creating , loggin and deleting some virtual
machines, by the time no problem at all, looks fine, but I was wondering if
is there any GUI tool for use in remote (the host server doesn''t not
have
xserver, and I don''t want it to have)

 

Kindly Regards

 

Borja Tatay



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Borja Tatay wrote:
> It also says to disable tls in both the host and the guest .. once
> again, what is it good for to disable it, can cause problems if  I don’t
> disable ?
You just need to "apt-get install libc6-xen" if you are running i386
arch, you don''t need it if you are running a 64 bits distro (eg:
amd64).
It wont cause any trouble to do it.
> Last,  it says to add , in /etc/modules
> 
> loop max_loop=64
That is because by default loopbacks are limited in number (8 maximum,
unless you change de default).
> I omitted max_loop, let the kernel as it was built by default  (just
> with the loop)… can this cause problems ?
You wont be able to mount more than 8 file loopbacks then. But anyway,
it''s a lot better to use LVM if you can: it''s a lot faster.
> Last, I just played a little creating , loggin and deleting some virtual
> machines, by the time no problem at all, looks fine, but I was wondering
> if is there any GUI tool for use in remote (the host server doesn’t not
> have xserver, and I don’t want it to have)
Sure there is. Try dtc-xen and dtc:

http://packages.debian.org/lenny/dtc-xen
http://packages.debian.org/lenny/dtc

Don''t use the Ubuntu version though, as it''s quite outdated.
You might
want to try our Git version as well that has lot''s of improvements.

Thomas


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