Grafana MySQL and InfluxDB annotations

What are Annotations and why are useful ? Annotations is a way to add a Marker over the Graph (Panel). Depending on where you store the annotations, you would have the possibility to mark the…

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Your site is blocked from a region and you don´t know why? Maybe SNI related?

The other day at work, we received issues from customers. They told us that they couldn´t access to their web Instance. In all the cases, the origin was the same country. The first thing that…

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Networking Problem: I can’t connect to your service (tcp) failed: Connection timed out

Imagine that a friend is trying to connect to one of your services and he mention that when he tries to connect, finally displays a  “(tcp) failed: Connection timed out” The first thing, I go…

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Changing the limits on the fly

I never did this before, but now that I know that it works, I will do it more often. To show how it works, I changed the number of processes (nproc) hard limit of the…

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List of tools added to project Menu

Here you could see some of them: Tools

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