strace is a command line program that runs from one of the Linux shells. A shell is another program that allows a system administrator to interact with a Linux operating system – for example to run strace. The strace utility is the crudest form of trouble shooting in Linux. It essentially hijacks the target program [...]
Many users tend to worry when the free memory on a Linux system is very low. Especially when the system is barely active. What many don’t know is that this is normal behavior for Linux. It simply takes your free memory and caches it. This caching behavior makes subsequent memory allocations much faster. So it [...]
We were able to install DirectAdmin (a Web hosting control panel) on Amazon’s Elastic Compute Cloud, branded as EC2. We would like to share the steps required to build a working instance of DirectAdmin on an Amazon server. First, I would like to personally thank Mark from DirectAdmin for being so accommodating and granting us [...]
This is part one of a series of guides on how to perform a proper migration of a Web application. Proper because the goal is to seamlessly and preparedly switch over to a new server or provider. We’ll set the bar high enough to only allow room for a 5-10 minutes of cumulative downtime.
