Tag Archives: Handy Guide

iptables handy guide

iptables used to setup, maintain and inspect the tables of IP packet filter rules through Linux Kernel. You can modify or manage the rules through the command from console or SSH. To list the IPs that is being blocked, you … Continue reading

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Ruby on Rails Handy Guide

Some Useful command To install ruby Gem, gem install [gem_name] eg, gem install rails To install ruby Gem with certain version, gem install [gem_name] --version=x.x.x eg, gem install rails --version=2.3.5 eg, gem install rails -v=2.3.5 To update ruby Gem, gem … Continue reading

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