Linux Administration

The problem: Elevated number of dropped TCP connections to a listening remote network socket. The symptom: “SYNs to LISTEN sockets dro...

Postfix is a well established, open source mail transfer agent (MTA) that routes and delivers email. One of its main strengths compared to o...

If you are not using Elastic IPs for your EC2 instances, chances are stopping and starting the server (as opposed to just restarting it) wil...

In this post we are going to explore a fully automated way of provisioning LXC containers on a set of servers, using OpenStack. OpenSta...