·2 min read
Your incident response has a bus factor of one
Here is a quick test for how fragile your incident response is. Imagine your best engineer is unreachable during the next outage. If that thought worries you, your bus factor is one.
Blog
Product updates, incident management notes, and lessons from building Vigiles.
·3 min read
The engineer who knows everything is a risk, not a hero
Every team has the one engineer who fixes everything. That dependency is a single point of failure with a pulse. How to spread the knowledge before it walks out the door.
·2 min read
Single-node monitoring is quietly lying to you
If your uptime checks run from one location, you are seeing one network path, not your users. Why single-node monitoring misses real outages and invents fake ones.
·2 min read
SSL certificates always expire on the worst day
An expired certificate takes your whole site down in a way no code change can fix fast, and it is entirely predictable. Why cert expiry is the outage you can see coming.
·2 min read
What a status page is actually for
A status page is not a dashboard for you. It is a trust tool for your customers, and it only works if it tells the truth when the truth is inconvenient.
·2 min read
DNS fails silently, and you find out last
When DNS breaks, your servers are fine, your usual checks may be fine, and your users cannot reach you at all. Why DNS failures are so easy to miss and how to catch them.