Monday, March 31, 2008

A couple of good advice for Cisco CCIE Lab first taker

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Found 2 good links on Netpro forum for CCIE lab first taker: LAB VISIT - Good Advice !!! (Part 1) http://forum.cisco.com/eforum/servlet/Net...

Virtual Switching System (VSS) Conversion

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IOS: 12.2(33)SXH1 The conversion process involves 4 steps: 1. Configure Virtual Switch Domain and desingate each switch as either Switch 1 o...
Sunday, March 30, 2008

Cisco Telepresence Discussion on Climate Change

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Nobel Laureate Al Gore and Cisco CEO John Chambers host a virtual discussion on Climate Change and Technology Innovation via Cisco TelePrese...
Saturday, March 29, 2008

While.....do.....done

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This is one of my most frequently use iteration statement when I want to poll something and view something. Let me give you a stupid example...
Thursday, March 27, 2008

QR Code

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Playing with QR code, pretty interesting and I can see lots of opportunities with this 2D bar code technology. Some resources to share: Onli...
Tuesday, March 25, 2008

Conferencing Resources

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A very usual question from people is, how many conference can I have, and how many parties can join a conference. Let me summarize below: Fo...

SMTP server troubleshooting with mail commands

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The very first step for SMTP server troubleshooting is to telnet to the smtp server 25/tcp, and issue mail commands see if it is functioning...

NetBIOS name lookup with nmblookup

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nmblookup is a handy tool to lookup the NetBIOS name information on your network. If you want to check the NetBIOS name of 1.2.3.4: # nmblo...

Build your own RPM package

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I'm sure you don't want to build the software from source for 200 servers in your server farm. You want to do it in a smarter way. ...

OpenSSL Cheatsheet

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A. Generate your own CA openssl req –x509 –days 1460 –newkey rsa:2048 –keyout ca-key.pem –out ca-crt.pem Show Certificate Properties ...