OpenVZ Archives

How to Backup OpenVZ Containers with vzdump on CentOS

August 10, 2021August 10, 2021 by Till Brehm

OpenVZ is a Linux-based Kernel virtualization technology developed by SWSoft for its commercial product Virtuozzo. The modified Linux Kernel and the system utilities are released under an OpenSource license. Vzdump is a shell-based backup program for OpenVZ virtual machines. It is made for containers that use the traditional "simfs" filesystem, it can not be used ... Read more

How to kill an OpenVZ Container

April 23, 2021April 23, 2021 by Till Brehm

This guide shows you how to kill an unresponsive OpenVZ container in case the normal stop procedure fails. Killing the container will not delete any files or remove the container, it just kills all processes so that you can start or restart the container again when it gets stuck. I will use container ID 101 ... Read more

How to change the ID of an OpenVZ Container

by Till Brehm

Here are the steps that need to be taken to change the ID of an OpenVZ Container. OpenVZ is a virtualization technology for Linux.

Solution for amavisd error – TROUBLE in process_request: Error writing a SMTP response to the socket: Broken pipe – on OpenVZ server

by Till Brehm

If you get error messages from amavisd similar to the one posted below on a server which is virtualized with OpenVZ: Mar 5 09:09:02 v100 amavis[17378]: (17378-14) (!!)TROUBLE in process_request: Error writing a SMTP response to the socket: Broken pipe at (eval 100) line 987, <GEN44> line 31. then the issue can be caused by ... Read more