FATAL: kernel too old (OpenVZ)

Having recently set up OpenVZ on Xen, I wanted to create a Debian 7 VPS for a friend. Unfortunately, after creation, the VPS would not start. I kept receiving the following error message: FATAL: kernel too old This is actually an error message from the VPS, not the OpenVZ node level. In short, the new […]

Installing HyperVM Inside a CentOS/RHEL 5 Xen VM

Prepare a Xen VM with a minimal install of CentOS/RHEL 5 (64bit or 32bit). Make sure you have set your host name and IP Addressing etc. The VM should have internet access (obviously). Install HyperVM following these instructions. Be sure to append [–virtualization-type=openvz] (omit the square brackets) to the install command. At the end of […]

Mounting /tmp and /var/tmp as a separate file system

After installing ConfigServer Security and Firewall, many of us try to achieve as many ‘green’ results as possible. The often tricky one (or two) options to achieve, is mounting /tmp and /var/tmp as ‘separate’ file systems. On a bare metal linux installation (no virtualisation) this is easy to achieve by creating a file system (partition […]

Proxmox OpenVZ Server 2 NICs 2 Gateways

These are two solutions that worked for me. They are by no means the only solutions. My Predicament. A server (a Dell SC440), with two physical network interfaces. Our office has two ISP connections (DSL broadband). We have the one internal network range ( with two gateways (1.254 and 1.221). I have installed Promox on […]