2
How to Setup a Firewall to Secure Your Linux Server
Setting up a firewall is the second thing you should do immediately following the setup of your linux server (the first should be to Secure SSH Login). Learn how to do both.
7
How to Secure SSH Login on Your Linux Server
Generally it is not secure to allow remote root login. Additionally, using Password Authentication is also insecure. So… after setting up my server at RackSpace, the next step was to setup basic SSH login security.
2How to access SSH and other services from a VirtualBox Guest Machine
It seems as if by default a VirtualBox VM (Virtual Machine) will start with a network connection set to NAT. This makes it a little difficult to connect to server services running on the VM (such as SSH, Apache, etc). An easy solution is to use the Host Interface directly as described here.
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