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OpenVZ is great and provides a secure, stable, and easy to use solution for containers. However, there is also Linux Containers which are built into Linux and a lot of progress has been made in recent kernel releases. Linux containers have many user space utilities you can use including lxc, vzctl (from OpenVZ), libvirt, and docker. Linux containers allow ...


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OpenVZ does exactly what you ask for. It creates containers that are 100% independent from one another but shares the same modified kernel. The only drawback versus full virtualization is that you cannot install anything other than Linux when using containers.


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Preinstall the controller driver in the OS before upgrading. If you can go back to a normal drive setup, install the driver and reboot and redo the config after. Be sure to have a good backup. In the best case, you did a system image before such upgrade, thus you can switch back easilly


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You shouldn't edit your /etc/passwd & /etc/group directly, please read up on what system tools to use (for adding users, changing password, modifying a user account, etc...) Also, I suspect you did more damage than just the kill -9 -1 (what where you trying to do with that!?), so I suggest you start with a fresh install again and carry on learning the ...



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