Master Git (part I). Commit search.

Git log command lets you navigate through the history of your commits. I personally use the following git log command and alias for it quite often:

log-shippers-part2

log-shippers-part1

In this part of our blog series we’re going to look at the most popular opensource tools used for log shipping.

Building a centralized logging system. Choosing the architecture.

It’s hard to imagine any decent IT project without a logging system. I tend to look into logs even on my own laptop to find why something is not working. Let alone, if you have a service which generates millions of dollars per day. If it’s down, you’re losing money. So you need to make sure you’re able to find the problem as quickly as possible if something goes wrong.

Configure failover with Keepalived for services on AWS

AWS is awesome. It provides a great variety of services with the goal of making the process of building robust infrastructure easier.