There is a widespread belief that a public Elastic IP address in AWS is a marker of non-optimal architecture. Smart cloud…
Google hasn’t brought any recipes to me so I decided to write my own. Why? Well…
Everyone prises AWS Certificate Manager for its security and operational excellence.
Operational excellence is because the entire headache of the annual certificate rotation can be healed by the complete…
There is a couple of email addresses one should have configured from day 0 for any internet domain to ensure it complies with the best practices. They are postmaster@domain and abuse@domain.
postmaster@domain
abuse@domain
Sending emails is a complicated topic still due to the anti-SPAM war, which lasts for decades already. One can’t…
To be a maintainer of an email server is hard. One can’t simply apt install default-mta to get a healthy and robust email…
apt install default-mta
The idea for this article has come from the following blog of Jeff Barr, in which he wrote:
If you’ve come to this article because of its title, you’re most probably aware of what cfn-response is, so you can skip the next section. For others I’m moving to a short introduction of cfn-response module right away.