Server config
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 »
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 »
Update: crontab provides some extensions to support this directly–’Ranges can include “steps”, so “1-9/2″ is the same as “1,3,5,7,9″‘. Check the crontab man page for more details. This post provides ... 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 »
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:
vpn_iptables_v2.pdf
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 »
IPv6 is enabled by default on most Linux distros. However, IPv6 is not used most of time (at least in my case). This post introduces how to disable IPv6 support ... 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
Xen solution
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/
$ su
# cp config config.bak0
# vi config
Find this line:
SELINUX=enforcing
Change it to:
SELINUX=disabled
Update history:
Updated on May ... read more »
Port forwarding is simple to do with iptables in a Linux box which may probably already being used as the firewall or part of the gateway operatioin. In Linux kernels, ... 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 »
The performance of Xen’s Dom0 is important for the overall system. The disk and network drivers are running on Dom0. I/O intensive guests’ workloads may consume lots Dom0′s CPU cycles. ... read more »
An introduction to installing Domain-U on Xen is introduced here: Setting Up Stable Xen DomU with Fedora: Unmodified Fedora 12 on top of Xenified Fedora 12 Dom0 with Xen (this ... read more »
The new development of Xen and Linux kernel make it easy to install Xen on Fedora as the Domain-0 now. Compared to our old method (Setting up Stable Xen Dom0 ... read more »
The Linux kernel has a generic driver for a graphic framebuffer named vesafb on intel boxes. It provides a nice large console for most of modern displays.
Setting VESA modes for ... read more »
A method to send email notification to a list email addresses by the remote git server after every push from the client will be introduced.
After the client pushing to the ... read more »