Setting Up Ubuntu DomU on Xen: Ubuntu 10.10 on Fedora Xen Dom0

Setting up Ubuntu 10.10 DomU on top of Fedora Xen Dom0 is introduced in this post. The process of setting up Ubuntu 10.10 DomU is the same as Setting Up Stable Xen DomU with Fedora: Unmodified Fedora 12 on top of Xenified Fedora 12 Dom0 with Xen 4.0 This post only show the difference which […]

Setting Up VPN-like Network Between Several Clusters Using iptables

It is common to connect servers with only internal IPs from several clusters. VPN is a common technique for this. With iptables, we can implement many functions of VPN with possibly higher performance. The slides here give a brief introduction to how to set up a VPN-like network between 2 clusters which connect to each […]

Simple Introduction to paravirt_ops for Xen

The is a simple introduction to paravirt_ops in Linux kernel for Xen, VMware, etc. We make this introduction from the view of code. We use the function raw_local_irq_disable() and raw_local_irq_enable() functions in Linux kernel to introduce paravirt_ops for Xen and Xenified kernel. Please download the introduction to paravirt_ops pdf file: introduction-to-pv-ops-v3.pdf

Xen with LVM

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 duplicate DomU and adding storage to DomU. This post is a summary of tutorials related Xen DomU and LVM. Setting Up LVM Backed Xen DomU […]

Linux Cluster Solutions

Solutions to Linux cluster construction and management such as unified account management, NFS home directory, network configurations are summarised in this post. The post is keeping updating while new solutions is added to this site. Account and storage management ∞ Unified Linux Login and Home Directory Using OpenLDAP and NFS/automount Backup Linux Home Directory Using […]

Git Solutions

Solutions to git server construction and management are summarised in this post. The post is keeping updating while new solutions is added to this site. Set up git server How to Set Up A Gitolite Git Server – A Ten-Minute Tutorial Setting Up a Git Server Using Gitosis Howto: Git Server over SSH Git repositories […]

Setting up Stable Xen Dom0 with Fedora: Xen 3.4.3 with Xenified Linux Kernel 2.6.32.13 in Fedora 12

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 appears. It also works on Fedora 14 as well. It should not be hard to use this solution on other versions of Fedora or other […]

Xen Solutions

The Xen solutions including installing and configuring Dom0 and DomU are summarized here. This post will be updated when our solution changes. Only the latest tested stable solutions are listed here. 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 […]

Finding out Linux Network Configuration Information

There is various network configuration information in Linux and lots tools can be used to find out those configuration information. Finding out these network information in Fedora Linux as the example will be introduced. IP address, MAC address and netmask ifconfig will print out all the network interfaces and their information including the IP address […]