Sysrant

Thanos infrastructure designs

Oct 15, 2021 · 1 min read · Design Cloud ·

These are just little drafts I made. Use it for your inspiration on what is possible with Thanos (https://thanos.io). After some talks, people asked for these images, so here they are.

Multiple Kubernetes cluster monitoring with Prometheus

Aug 4, 2021 · 7 min read · Monitoring Prometheus Thanos ·

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Multiple Kubernetes cluster monitoring with Prometheus

If you have multiple Kubernetes clusters, there are a few ways to implement monitoring with Prometheus. Generally speaking, when using the Prometheus operator, it will assume it's running in its current cluster. Now we still have two variations. Because are we talking about "querying data over multiple …

Monthly reports with Grafana and Prometheus

Jul 16, 2021 · 4 min read · Grafana Prometheus ·

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Monthly reports with Grafana and Prometheus

How to query Prometheus for monthly data in Grafana When searching online, there is a lot of information to find. Yet a lot of the queries and solutions might be really overcomplicated or even out-dated due to new features in both Prometheus and Grafana. For example, I've came across this query which is pretty high in …

Setting up a Hugo website with Cloudflare pages

Mar 3, 2021 · 4 min read · Cloudflare Hugo ·

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I'm so excited because I was waiting for this a long time: Cloudflare pages. Check it out on https://pages.cloudflare.com/ - In this post I go over on how you are reading this post from Cloudflare pages! (Yes, I instantly moved to Cloudflare!) A little intro from their website: Cloudflare Pages is a JAMstack platform …

Dedicated Valheim server with insights

Feb 20, 2021 · 5 min read · Grafana Valheim Observability ·

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In this blog post, I will talk about how I have set up our server on Google Cloud, installed Valheim, and added some metrics to Grafana Cloud. Valheim is a brutal exploration and survival game for 1-10 players, set in a procedurally-generated purgatory inspired by viking culture. At Fullstaq where I work, we wanted to …

AWS storage for Kubernetes performance

Feb 7, 2021 · 33 min read · Storage EFS EBS ·

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Do you want some form of persistence on Kubernetes? What are your options? How does it perform? In this post I go over some options on AWS, but it can be used for other platforms aswell. Step 1: Don't use volumes if you can I think I have to say this. Try to not get into the state (pun intended) of having to worry …

Let's talk about uptime for the year 2021

Jan 21, 2021 · 14 min read · Prometheus Grafana ·

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Often "uptime" is an important factor in KPI's and management is a great fan of "my uptime is 99.9%". This blog post is about why the Wikipedia entry on uptime is irrelevant for modern systems in 2021 and how you can leverage metrics to a useful meaning. Let's start with a quote from Wikipedia on …

Getting started with Prometheus and Thanos

Jul 29, 2020 · 9 min read · Thanos Prometheus Grafana ·

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I've spent some time working with various "observability" tools. I thought to share my experiences of building such a setup in an Enterprise environment. In no way, I want to profile myself as a huge expert on this subject. Yet I believe sharing knowledge and experiences is something everyone should do. …

AIX metrics in Prometheus with N(J)MON

May 6, 2020 · 7 min read · AIX Grafana NJMON NMON Prometheus Telegraf ·

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Ok. What? Why? You can skip my intro and go straight to the "Technical solution" section. Yes, let's start with that. AIX was born before I was. 1986. How is that relevant you might ask? Well, it happens people still use this, and AIX is actually somewhat pretty active used in 1000's of computer labs. As with …

Building a Slack slash command bot with Golang and Kubernetes

Feb 14, 2020 · 7 min read ·

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I use Slack ever so often, therefor I challenge myself to explore it further, rather than just being a user. For the fun, experience and just random interest in how things work. That's was also the reason for https://sysrant.com/500-bounty-man-in-the-middle-on-slack/ ;) Anyhow, within Slack you can create bots with …