Command line
ns is a discrete-event network simulator targeted primarily for research and educational use. There are two version of ns, ns-2 and ns-3, which are quite different with each other in ... read more »
Please consider PreUpgrade for upgrading Fedora. This is the recommended method.
This post makes a list of actions should be done to upgrade Fedora using yum. Please note that this is ... 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 »
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 »
On a x86-64 64 bit Linux system, sometimes we may want to use the 32 bit Firefox, although the support to 64 bit Firefox is getting much better. Just for ... read more »
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 to ... read more »
NFS is widely deployed and used even after more than twenty year. NFS is easy to set up and easy to use. This introduces how to set up the NFS ... read more »
We make mistakes when developing before or after committing in git. We may revert changes and fix our mistake by using git.
Revert entire working tree before committing
We can return the ... 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 »
Vim is an excellent editor which I use every day. Thunderbird is a nice email application. However, Thunderbird’s integrated editor is not efficient enough to a Vim user. Why not ... read more »
This post is a tutorial for new users to set up git and clone and use the first repository. This post introduces how to start using git for new users. ... read more »
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
Setting Up Git ... read more »
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 ... read more »
Please refer to
Xen solution
for the more latest stable Xen Dom0 solution.
How to set up Xen Dom0 with Xenified Linux kernel in Fedora 12 will be introduced in this post. We ... read more »
Under some situation, we want to start some long jobs and then return to the shell to continue our work. We can do this by starting a job in the ... read more »
Automatic passwrod-less ssh login can make our life easier. To enable this, we need to copy our SSH public keys to the remote machines for automatic password-less login. We introduce ... read more »
Creating file-backed virtual block device (VBD) for Xen virtual machines and installing Fedora 11 in Xen DomU via internet will be introduced.
The Dom0 platform on top of which this DomU ... 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 »
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 ... 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.
Switching VESA modes of ... read more »