My environment: Cisco 3560E Besides shutting down the switchport, you can turn off the PoE power via the Energywise command.  Before you r...

My environment: Cisco 861W You can turn off the radio interface of the autonomous AP when you don’t use it to save power. #!/usr/bin/exp...

A handy expect script on Linux to backup your routers, switches, AP, or other IOS devices configuration.  Make sure you have “expect” instal...

My environment: Apache 2.2.9 on Fedora Core 10 x86_64 Although it is not a good idea to do something like this, I’ve come across a case th...

My environment: RedHat Fedora Core 12 x86_64 BIND version: bind-9.6.1-11.P1.fc12.x86_64 Let’s see an example how to configure IPv6 rever...

My environment: RH FC8 x86_64 1. Make sure the 802.1q module is added to the kernel   modprobe 8021q 2. Add a subinterface.  In this e...

My environment: RH FC8 x86_64 To enable IPv6 globally, modify the file # vi /etc/sysconfig/network And append the following: NETWORK...

My environment: RH FC 10 x86_64 Although it is not recommended to login GNOME GUI as root, sometimes you just need to do it.  Firstly, typ...

My environment: RH FC8 x86_64 Flash Player version: 10.0.22.87 Firefox version: 3.0.9 Adobe has released an alpha version of flash player on...

My environment: RH FC8 x86_64 Routing cache is a hash table in the kernel which contains recently used routes.  I have had a problem about...

My environment: RH FC8 X86_64 MySQL server version: mysql-server-5.0.45-6.fc8 Just hit a problem that takes me several hours to get it s...

My environment: RedHat Fedora Core 8 x86_64 Firstly check if your pktgen is running: [root@pandaeatsbamboo pktgen]# ps -e | grep pktge...

My environment: RH FC 10 x86_64 To play asf file on linux, you can use VLC as your media player. To install VLC by yum: 1. rpm -ivh http://...

My environment: RH FC8 x86_64 Rsync Version: rsync-2.6.9-3.2.fc8   1. Enable rsync server in xinetd: vi /etc/xinetd.d/rsync disabl...

My environment: Samba 3.0.28 on RH FC8 Nothing better than learn by example, let see the following 2 examples on /etc/samba/smb.conf to cr...

My environment: Samba 3.0.28 on RH FC8 Again it’s time for our quick and dirty series – the samba episode.  Let's create a samba share...

I usually do this in my lab environment.  I'm sure you will use it with care when you do it in production environment, and to make it mo...

My environment: Festival 1.9.6 on RH FC8 A simple example on Festival TTS echo “I love to visit this blog and I’m going to visit it ever...

My environment: Unified Communications Manager 6.1 Unified Contact Center 5.0 MySQL Server 5.0.45 on RH FC8 You can use query or upd...

My environment: Cisco Digital Media Player 4400, version 5.0.2 Cisco Digital Media Manager 5.0.2 It is easy to play video on digital m...