10Gb and Beyond Fiber has been the traditionally the cable of choice when utilizing 10Gb connectivity. They tend to consume less power and are much lower in latency. Physically the cables take up much less room and is much better…
The Challenge So you’re at work and your corporate firewall restricts all outgoing traffic except for http/https (port 80/443) and you want to remote desktop to your PC at home. What can you do? The simple solution is to use…
What’s the difference between “switchport mode access” and “switchport access vlan xx”? First of all, both commands are required to set the switch to an access port. switch(config-if)# switchport mode access This above command disables DTP – Dynamic Trunking Protocol…
Watching TVB drama overseas As an asian living overseas, like many others I watch the occasional TVB drama series from Hong Kong. Over where I live you can get cable television and get a subscription to Chinese channels. However, the…
Here’s the RHCSA Exam Cheat Sheet Part 3 EX200 Cheat sheet part 3: Service Management The service resides under /etc/init.d start a service at boot chkconfig service on or chkconfig –level135 service on list a service chkconfig –list GUI tool…
Cheat Sheet Part 2 Here’s the RHCSA EX200 cheat sheet part 2. Enjoy: Software Management To search a package yum search package-name To display info of a package yum info package-name To install a package yum install package-name To remove…
Back in the day Back in the day when I did my RHCE exam on on Enterprise Linux 4, the RHCSA was a certification that would be granted if you only passed the first part of the RHCE exam but…
If you have a lot of Dolby Digital HD video content like myself and would like to Airplay that on your TV there’s an app out there called AirVideo HD that does the trick. How does Airvideo HD work? The…
Recently I’ve setup a monitoring tool called Intermapper to monitor the Nortel switches I have at work. The tool polls the SNMP traffic information from the switches, and also picks up some basic error notifications received on it’s ports. On…
Here’s how to save or copy the configuration file to tftp server on a Nortel ERS 8600 using CLI. Take a look at the syntax below: 8610-1:5# save config ? save current configuration, log, or trace information to a file…