Reliable Insights

A blog on monitoring, scale and operational Sanity

November 2, 2020

Checking for specific HTTP status codes with the blackbox exporter

How would you check that a HTTP endpoint is returning a 204?

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February 10, 2020

Testing SSH of hosts from Consul

We've previously looked at scraping services from consul and ssh checks. How can we combine those?

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November 5, 2018

Probing DNS servers with the Blackbox exporter

Among the Blackbox exporter's probe types is DNS.

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October 22, 2018

Debugging Blackbox exporter failures

Ever wanted more information about Blackbox probe failures?

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October 8, 2018

Checking for HTTP 200s with the Blackbox Exporter

It's easy to check if HTTP and HTTPS endpoints are working with the Blackbox Exporter.

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July 9, 2018

ICMP Pings with the Blackbox exporter

The Blackbox exporter can perform ICMP probes. Let's see how.

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February 5, 2018

What percentage of time is my service down for?

Have you ever wondered what percentage of time a given service or application spends up or down?

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November 27, 2017

Black(box) Friday

While eager consumers flock to retailers both online and in-store for big savings during the infamous day after Thanksgiving known as Black Friday, one must wonder the cost incurred by companies accommodating both the crowds swarming their store floors and the increase in traffic from online shoppers.

In this blogpost we used Prometheus and the Blackbox exporter to observe the increase in latency experienced by some of the top online retailers in the US and UK.

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July 31, 2017

Configuring Blackbox exporter timeouts

Wondering how the cool kids are configuring their Blackbox probe timeouts these days?


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June 19, 2017

Blackbox Exporter Benchmarking

Have you ever wondered how many CPU seconds it takes to probe an instance via TCP or HTTP 100, 1,000, or 10,000 times?

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