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icon5.gif  Why OpenVZ 7 container has different kernel comparing with hardware node? [message #52798] Sat, 01 April 2017 03:44 Go to previous message
learndiary is currently offline  learndiary
Messages: 3
Registered: April 2017
Junior Member
These days I have tested the new openvz 7 server.

I found the hardware node kernel version is: 3.10.0-327.36.1.vz7.18.8 (uname -r)
And I created a debian 8 container, its kernel version is: 3.16.0 (uname -r)

I have not found any kernel 3.16.0 image or modules existing in openvz 7 hardware node and debian 8 container.

I read the openvz wiki, it said: "The architecture of OpenVZ is different from the traditional virtual machines architecture because it always runs the same OS kernel as the host system (while still allowing multiple Linux distributions in individual containers)." ( https://openvz.org/Features )

Why the thing has been changed? And where is the kernel 3.16.0 files in hardware node or container? And, what is the technology behind the thing?

I have searched on google many times and not found any clue. Thanks.

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