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Finding The Right Linux For You
by Rom Feria on January 12, 2007

User Mode Linux (UML) to the rescue. Here's another guide on how to run multiple Linux operating systems on a host computer also running Linux and without spending a single cent on solutions like VMWare and Parallels.
UML allows you to create completely independent virtual machines that run isolated from each other, complete with their own Linux kernels. You could use UML to increase security by completely isolating server processes from each other and from the physical machine. Or you could use it to mimic other development or production environments, even giving users root access to the virtual machine. You could also use it to try out new software without having to worry about it wrecking your system.
I have tried Xen before and it works wonders provided that you have sufficient resources, i.e. RAM. With processors providing hardware virtualization and RAM becoming more affordable, guest OS performance will improve considerably.
Why not give it a try and see for yourself?
Permalink: Tux in a Tux?
Tags:
uml
usermodelinux
virtualization
emulation
vmware
parallels
xen
containers
zone
solaris
vserver
linu
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