Linux has many tools for mounting, creating and burning iso image files. In this posts, we introduce how to use the iso files on Linux.
1. Mount an iso file
Mouting a ... read more »
Linux booting is usually controlled by Grub or the new Grub2. Setting the default booting entry is a frequent operations. Here, we introduce how to set the default entry in ... read more »
LVM volumes as backing for DomU’s file system is an appealing solution to Xen VBD. LVM volumes can dynamically grow/shrink and snapshot. These features make it simple and fast to ... read more »
Previously, we create a configuration file for each DomU virtual machines in our cluster. Most of the content in these configuration files is the same. The differences are only the ... read more »
With Emacs, I feel happy. I love the rich functions of Emacs, such as compiling, quickly jumping to the lines with compilation error and debugging with gdb, and more. I ... read more »
LVM’s snapshot feature enables us to duplicate an LVM backed Xen DomU in seconds inside of the same volume group. When we want to duplicate LVM backed Xen DomU from ... read more »
A script for backing up file-backed Xen DomU is introduced in this post. This script can be changed to similar platform.
In our cluster, virtual machines are stored under /lhome/xen/. Virtual ... read more »
LVM’s snapshot feature enables us to duplicate an LVM backed Xen DomU in seconds rather than minutes. We no longer need to copy the entire file system image like backing ... read more »
These slides give a brief introduction to how to set up the VPN-like network between several clusters which connect to each other through Internet:
Animation is enabled which may help to ... read more »
Update: Since gitosis is not maintained and supported, please check out gitolite for setting up a new git server. (see the comment from Sitaram Chamarty, the author of gitolite.)
Gitosis is ... read more »
How to create a LVM group from two hard disk partitions is introduced in this post.
Assume we have installed two hard disks /dev/sdb and /dev/sdc to the server, our task ... read more »
This posts list benchmark (using bonnie++) result of I/O performance of Xen LVM and loopback backed VBDs.
The configuration of machines
VCPU: 2 (Intel(R) Xeon(R) CPU E5520 @ 2.27GHz)
Xen and Linux ... read more »
Fedora’s repositories provide most of the software packages needed when using Linux. However, for various consideration, they do not provide some packages, such as MPlayer, ffmpeg. Fortunately, some community maintained ... read more »
Update on Nov. 18, 2012: ATI fglrx driver works well on Fedora 17 with GNOME 3 Shell. Should work well with later releases. Great driver, ATI!
Update on Nov. 29, 2011: ... read more »
The mailx or mail command in Linux is still providing service for guys like me, especially when we need to send email automatically by script. gmail is great. Now, how ... read more »
Please refer to
for the latest stable Xen Dom0 solution.
In this post, the detailed tutorial for setting up Xen 3.4.1 dom0 on top of Fedora 12 with kernel 2.6.29 ... read more »
This is the latest stable and recommended stable Xen Dom0 solution on Fedora 12. No serious bug found till now and we will fix the bugs by ourselves if some ... read more »
SELinux’s configuration file is /etc/selinux/config
The method to diable SELinux in Fedora:
$ cd /etc/selinux/
# cp config config.bak0
# vi config
Find this line:
Change it to:
Updated on May ... read more »
VMware Player and VirtualBox are two cool and free full virtualization solutions and both can run on top of a Linux host. In this post, we introduces how to install, ... read more »
In this post, these content are introduced:
Create and manage file-backed virtual block device (VBD) for virtual machines on xen.
Install Fedora 11 via ... read more »