A customer want to block users to run any instant messagers except Skype, but he does not have a good proxy server. Here is my quick and dirty solution.

open the GPO for…

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Here we add a few additional repositories to Centos 5.

install yum priorities

First, install the Yum Priority package, which protect the base Centos 5 components from being overwritten.

…

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Below are my experiences for tuning and troubleshooting VMware Server 1.x on my Windows 2003 x64 host. Hope these can save someone some hours.

In most cases, the bottleneck is…

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I recently installed an IPcop 1.4 in vmware to replace my old firewall at home. I also need to filter some unwanted website for my kids.

Time/Clock problem

Due to…

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use public keys to authenticate 2 servers Server1 and Server2

on Server1

generate keys

• do not input a password
• this will generate 2 files: id_rsa (p[rivate key)

…

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Software used:

• Putty 0.60 (from http://www.chiark.greenend.org.uk/~sgtatham/putty)
• CentOS 5.2

Here is how I setup Putty to connect to CentOS, fix the problem of full screen tools (such as system-admin-network).…

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