xen vm gzip export import
To export just leave the filename blank as in this example: To import use /dev/stdin as filename:
Category Archives: Virtualization
Vmware: How do you merge multiple 2GB disk files to single vmdk file
In case of the 2GB split disk format, your virtual disk consists of multiple data files (e.g. <vmname>-sNNN.vmdk) and one header/descriptor file (<vmname>.vmdk) which describes the virtual disk. In the vmware-vdiskmanager command, it’s only the header/descriptor vmdk which you need to supply as the source virtual disk. Convert to a pre-allocated disk. The following line … Continue reading Vmware: How do you merge multiple 2GB disk files to single vmdk file
Execute a command in all running OpenVZ Containers
If you wish to execute a command in all running Containers, you can use the following script: where <command> is the command to be executed in all the running Containers. For example: Container 12:26pm up 6 days, 1:28, 0 users, load average: 0.00, 0.00, 0.00Container 1012:26pm up 6 days, 1:39, 0 users, load average: 0.00, … Continue reading Execute a command in all running OpenVZ Containers
How to view in what openvz vps a process is running
1. Login on openvz node and use ps command to find the PID 2. After finding PID execute following commands
How to install openvz on CentOS 6.2
1. Add openvz repo 2. Install openvz 3. Modify relevant kernel settings (sysctl.conf) net.ipv4.ip_forward=1kernel.sysrq = 1 net.ipv4.conf.all.rp_filter=1net.ipv4.icmp_echo_ignore_broadcasts=1 net.ipv4.conf.default.forwarding=1net.ipv4.conf.default.proxy_arp = 0net.ipv4.conf.default.send_redirects = 1net.ipv4.conf.all.send_redirects = 0net.ipv4.conf.eth0.proxy_arp=1 4. Reboot the server 5. Disable se linux SELINUX=disabled 6. Install strace (I do not remember why I initially wanted this installed, but still it has nothing to spoil)
Useless, but still: View in what OpenVZ Container are you in
1. Logon on the machine and execute the following command:
Xen 6.0.2 software Raid – installation procedure
This document describes how to install XenServer 6.0.2 on a node without hardware raid. Install Software Install XenServer 6.0.2 on /dev/sda and do NOT configure any local storage (it is easier to do that afterwards). /dev/sda should containt three partitions, please verify with the following command: The first partition is used for XenServer installation, the … Continue reading Xen 6.0.2 software Raid – installation procedure