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Wednesday, January 7, 2015

DNS troubleshooting tools and tips - nslookp

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if you are on Windows, dig is not there, you can do most DNS query through nslookup. to see the DNS cache on your local server,  run “ipco...

DNS troubleshooting tools and tips - dig

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To see top level Name Servers,  dig –t ns com If we want to see what’s are the name server of Google by asking any top level com server...
Wednesday, December 31, 2014

Opencart security, a must-have checklist for webmasters

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Just played with the opencart 1.5.6.4, which is a very popular e-commerce solution for SMBs . and If you are tech-savy webmaster, you may kn...
Thursday, December 25, 2014

Iptables rules , Drop or Reject?

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By Default, Pinging is fine to both yahoo.com and Google.com If we turn on the firewall, to Drop icmp to google, and Reject UDP to yaho...
Friday, December 19, 2014

log4net legacy configuration

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just got one legacy app with log4net early version bundled, something wrong and there is no way to see the log . here is the trick if you u...
Tuesday, December 16, 2014

Windows azure Mobile service, delete expired data automatically.

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It turns out Azure mobile service is way more powerful than you think. I setup a simple mobile service table to hold some incoming logs. o...
Tuesday, November 4, 2014

WordPress 4.0 on IIS 7.X, Permalinks dead loop for hybird unicoed urls

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Just helped my friend did the migration from LAMP to IIS7, with fastcgi module. all smoothly, and based on the tutorial. on the platform of ...