How to remove old kernel on RHEL/CentOS/Fedora using YUM command

This is quick guide howto delete/remove/clean old kernels on Fedora, CentOS, Red Hat (RHEL). I use here two kernel as example, if you want to keep other more or less, then adjust amount of installed kernels as you wish. Normally reason why you maybe want remove kernels is limited disk space, example on VPS servers … Read more

YUM Delete / Remove Old Kernels on Fedora, CentOS, Red Hat (RHEL)

This is quick guide howto delete/remove/clean old kernels on Fedora, CentOS, Red Hat (RHEL). I use here two kernel as example, if you want to keep other more or less, then adjust amount of installed kernels as you wish. Normally reason why you maybe want remove kernels is limited disk space, example on VPS servers and … Read more

How to install and configure OpenVPN on OpenVZ

This howto will show you how to install OpenVPN inside an OpenVZ VPS on Ubuntu. OpenVZ supports VPN inside a container via kernel TUN/TAP module and device. First thing you need to do is to enable TUN/TAP if you didn’t already: Go to Hypanel – Machine Settings -> Enable TUN/TAP Ubuntu 10.04 First, install the … Read more

How to migrate OpenVZ to KVM/VMWare

To migrate your OpenVZ virtual server to a KVM/VMWARE just follow these steps: First thing you do is to install a KVM machine with the same operating system.  Preferably  the same point revision too! Now logon to your OpenVZ box and run # yum install mingetty This will install a load of dependencies –  they are all required … Read more

How to Install OpenVZ on CentOS

CentOS is one of the most popular free and open source server operating systems. OpenVZ is a popular open source system for creating virtual private servers. Combine the two together, and you have a low-cost yet powerful VPS system. The following is a brief installation guide to get OpenVZ running on CentOS. Add the OpenVZ … Read more