We have many hosts with internal IPs like 10.0.3.* behind a gateway, say gateway.example.org. The hosts with internal IP connect to the Internet through the gateway. How to directly SSH to hosts using internal IPs through the gateway? Here is the solution: Directly SSH to Hosts with LAN IPs Through the Gateway Answered by Eric […]
This problem appears when I try to rsync directories with hosts inside a cluster used NAT for forwarding ports to internal nodes. Hence, the ssh port for internal nodes are not the default 22. So, how to use rsync with the non-standard ssh ports? The -e options of rsync play the trick very well. For […]
Any good tutorial on how to install and configure a MySQL cluster on CentOS/RHEL 6.3? Check these posts: Installing MySQL Cluster on CentOS 6.3Configuring the MySQL Cluster Answered by SA. General tutorials: MySQL Cluster Installation and CentOS 6: Install MySQL Cluster – The Simple Way.