Examine Unexpected Changes In Your /etc/hosts File

Updating hosts file is super easy! Any sed, echo, vim command will work.

You’re perfectly safe, if all changes only come from the automation. And your code is bug-free.

But in the reality, you might have surprises. Especially when people might change it manually.

My Suggestion? Before making any changes, confirm all customizations are expected. If not, abort the changes with proper alerting.

Update /etc/hosts With Everything Expected


Reduce Support Effort Of Low Free Disk Issues

When you hand over developers new VM(s), or when you have just created a critical env for your team, remember to be prepared for low disk issues.

If you don’t, it will bite you sooner or later. More annoying, it usually come out as a recurring issue. Evaluating the total support effort, we might get a much bigger number than we thought. Are you feeling the same, my friend?
So how we can make low disk issues less likely to happen? And when it does happen, how we can resolve it faster with less impact?

Reduce Support Effort Of Low Disk Issues


Avoid Using Same SSH Private Key For All Your Servers

The more projects you handle, the more servers you manage. But when you ssh to servers of different projects, are you using the same private key?
And how secured you feel about this? Let’s imagine. One day, your powerful private key gets compromised somehow. Boom! All your servers, and all your projects are in danger.

Check out this post. And get improved for all your projects, in just five minutes!

Avoid Using Same SSH Private Key For All Your Servers