Category: Linux
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How-to: Install the Xen Kernel on CentOS 6.3
In this how-to I will guide you through installation of the Xen kernel on CentOS 6.3. If you follow this guide properly, you will be running Xen on CentOS 6.3 in no time. The first thing you want to do is disable SELinux on the system. SELinux and Xen do not play well together so…
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How-to: Run PostFix Securely on the Internet
Today’s how-to is all about our favorite MTA Postfix. For those of you who are not familiar with postfix, its one of the most popular mail transport agents available on Linux. Most of the time postfix can run with no configuration at all, however there are times when you want to access postfix from the…
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How-To: Use SSH Tunnels to forward local ports to a remote machine
Today’s How-to is about SSH tunneling. Tunneling is very helpful when you need to access a service securely over SSH, such as webmin or VNC. For this example I will show you how to tunnel VNC over SSH. Just change the port number for another service if that is what you need. Here is what…