This article is a short HowTo for installing RVM and then Ruby on a CentOS or Redhat system. As root: curl -sSL https://get.rvm.io | bash -s stable –ruby rvm list known Now as a normal user (not root): sudo rvm install 2.1.1 You can then run the following to confirm.
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Create a Virtual Private Cloud (VPC) in AWS with EC2s and RDS
This article describes each stage of creating a VPN within AWS. Amazon changes things from time to time so i won’t discuss where to click and on which links. But i will explain each stage. We’re going to create the VPC according to the diagram below. This is the simplest
Read moreSample Port Address Translation with Redhat/CentOS (/etc/sysconfig/iptables)
This is a sample iptables configuration file ‘/etc/sysconfig/iptables’ on a Redhat server where the server has a single interface and is placed in-front of other systems. In this example, this server (the one with the iptables config below) is infront of a web server at ‘10.0.0.2’. Don’t forget to enable
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