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Since 2011, Blogger is used to host my technical blog – http://51sec.blogspot.com. But during last a couple of years, wordpress is getting more and more popular and powerful. This post…
Infoblox NetMRI product has been really helpful to manage network environment. The post Use Network Automation Tool Infoblox NetMRI Push Configuration to Multiple Network Devices explains how to do a…
Check Point 600 set up is quite easy and it is wizard guided. All basic set up can be completed in five minutes then you will get a enterprise level…
There are lots of useful sites which helps the troubleshooting procedures. I listed some common tools or websites used by myself. Please let me know what you are using and…
With my most populous post “Basic Checkpoint Gaia CLI Commands (Tips and Tricks)“, I would like to collect some more advanced troubleshooting commands used in my daily work into this…
When Gaia released at R75.40 on 2012, our Checkpoint firewalls have been adopted it right away with an upgrade. Since then we have upgraded to R77.10, R77.20 and recently planing…
Infoblox NetMRI Appliance For those still do not know what is Infoblox NetMRI product, here is some simple introduction. Actually it can do more than what normal network administrators think.…
Here is the my router configuration template modified from Team Cymru’s. !Without service nagle on a Cisco router, each character in a Telnet session is a separate CPU interrupt. Hence,…
Here is my template for access layer switches in my environment. Some of blue color words will need to replace with your specific information. Red words will be the explanation…
This is the second post regarding basic configuration of Raspberry Pi 2. Raspberry Pi 2 Model B Basic Configuration 1 Raspberry Pi 2 Model B Basic Configuration 2 1. Timezone…
The Raspberry Pi is a credit-card sized general purpose Linux computer designed and manufactured by the Raspberry Pi Foundation, a non-profit organization dedicated to making computers and programming instruction as…
It did not happen often, but when it happened, you will need to know how to fix it. The rescue configuration is a previously committed, valid configuration. You must have…