Virtualization is the process of using software to create a virtual resource of something; usually, it refers to hardware virtualization, the act of running an operating system (referred to as guest) inside an host system.
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Lightweight virtualization on Linux with user isolation
What Linux-on-Linux virtualization technologies provide user isolation? Specifically, I want root in the virtual machine not to have any privilege on the host.
This was not the case for LXC, but was ...
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Can QEMU/KVM+OCFS2 be configured to punch holes in sparse image files when files are deleted in the guest?
I'm using sparse raw image files for guest VMs and OCFS2 on the host (local-only, not clustered) for the reflink feature. I understand from Googling around that OCFS2 is one of the filesystems that ...
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How to achieve the effect of chroot in userspace in Linux (without being root)?
The goal is to install and run programs in a displaced (relocated) distro (whose / must not coincide with the global /) inside a host Linux system. The programs are not adapted for using a different / ...