The Sunsu Blog

The Sensu Blog

Thoughts on creating and maintaining Sensu, the open source software framework, and the company that supports it. Subscribe for writings on monitoring love, startup culture and remote teams.

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Migrating to 2.0: the good, the bad & the ugly

Sensu 2.0 is coming!!Sensu 2.0 is coming??Sensu 2.0 is coming!?!?!

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Sensu at Microsoft Research

The following is a guest post from Kris Zentner, Senior Service Engineer at Microsoft AI and Research. Have a story on how you Sensu? Let us know in the comments!

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The story of Nagios plugin support in Sensu

Or, why service checks are so amazing

It’s officially been seven years since I started hacking on a monitoring project that would become Sensu. My goal was to replace a fragile Nagios installation...

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How to build highly expressive check results with sensu-wrapper

I’m gearing up to attend my first Sensu Summit this year, and have gone back and watched last year’s talks that I missed. There were a lot of great talks!

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Adding context to your Sensu checks with Osquery

Intro to Osquery

Osquery is fantastic bit of magic that gives you a SQL query interface for collecting system information from disparate subsystems across multiple supported platforms. In a...

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Monitoring at scale, microservices, & more at Sensu Summit 2018

 The Sensu Summit speaker lineup is live

It’s almost time! Sensu Summit is coming up August 22-23, and we’re thrilled to share the event schedule and speaker lineup. Don’t forget — grab your ticket

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Sensu: monitoring as a service (part 1)

Monitoring external services with Sensu Core 1.4 proxy clients

It’s a small world after all 

Microservices are everywhere. Many of us are building applications that rely on a mix of them spread...

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Check output metric extraction with InfluxDB & Grafana

Sensu is an extremely powerful standalone monitoring framework, but the real beauty of Sensu lies in its ability to harmoniously interact with, support, and instrument other tools to create a...

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Announcing Kelsey Hightower at Sensu Summit

We’re super excited to announce that open source advocate (and all-around rockstar) Kelsey Hightower will be speaking at Sensu Summit 2018! In a fireside chat with Sensu co-founders Caleb Hailey...

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The power of proposals (and open source culture)

I come from a world where strategy is best kept secret. Whether it be from a company who has a codename for literally everything, or the competitive culture of playing and coaching D1 athletics,...

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Join us for a Monitorama after party 🍹

On June 5, after the second day of Monitorama talks wraps up, head over to The Pearl Tavern for drinks, demos, and continued #monitoringlove conversations.

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Why you should attend Sensu Summit (as told to your boss)

Copy and paste this email to your boss to help get approval to attend the Sensu Summit!

As you may know, we’re hosting our second-annual customer conference in Portland, August 21–23. We’ll hear...

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🎉 Announcing Sensu 2.0 Beta 🎉

We’re excited to announce that Sensu 2.0 Beta is now publicly available for testing! Sensu 2.0 is easier to install and operate, requiring only a single sensu-backend process and sensu-agent process...

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Calling all speakers: submit your talk for Sensu Summit 2018

We recently announced our second-ever Sensu Summit, August 22–23 in Portland, Oregon. Last year, we heard some amazing talks from our customers, friends, and community, and we want to keep up the...

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Announcing the 2018 Sensu Summit

The second annual Sensu user conference will be held this August 22–23 in Portland, Oregon.

It’s hard to believe it’s been nearly an entire year since we announced the inaugural Sensu Summit,...

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Announcing Sensu’s Series A Financing

That new new. New software, new branding, new website, new financing, new board members, and new jobs. Oh my!

I’m very pleased to announce that Sensu Inc has raised $10M in Series A financing led...

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Sensu 2.0 Accelerated Feedback Program

We’re very excited to have Sensu 2.0 in the hands of our users. To better understand how folks use Sensu, we’re starting the Accelerated Feedback Program (AFP). This is a private, high-touch...

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Flipping the Bit on Sensu 2.0

TL;DR Sensu 2.0 is open source and available for download, testing, and feedback. More details available at the GitHub repo and the #sensu2 channel of our Community Slack.

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A Primer on Sensu Dashboards

This is a guest post to the Sensu Blog by Chris Chandler, member to the Sensu community. He offered to share his experience as a user in his own words, which you can do too by emailing ...

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Our journey implementing Sensu to monitor Kubernetes in production

This is a guest post to the Sensu Blog by Andy Repton, member to the Sensu community. He offered to share his experience as a user in his own words, which you can do too by emailing ...

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Contributing to Sensu: Updating Rubocop to resolve CVE-2017–8418

This is a guest post to the Sensu Blog from Ben Abrams, one of the lead maintainers of the Sensu Plugins organization. Learn more about the community at sensuapp.org/community.

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Out of Maintenance Mode

A few months ago I announced an idea I’m now quite proud of: our community needed some time in Maintenance Mode. How did we know we needed it? To review our challenges that lead us here, we had:

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Sensu Aggregates

This is a guest post to the Sensu Blog by Michael Eves, member to the Sensu community. He offered to share his experience as a user in his own words, which you can do too by emailing ...

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Writing Sensu Plugin Tests with Test-Kitchen and Serverspec

This is a guest post to the Sensu Blog from Ben Abrams, one of the lead maintainers of the Sensu Plugins organization. He offered to share his thoughts in his own words, which you can do too by...

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Our Approach to Testing Sensu Plugins

This is a guest post to the Sensu Blog from Ben Abrams, one of the lead maintainers of the Sensu Plugins organization. He offered to share his thoughts in his own words, which you can do too by...

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The Road Ahead For Sensu

Back in July, I proudly announced the release of Sensu Core 1.0 (a huge milestone!) and provided a list of major features and assets to be developed in Q3 and Q4 of 2017. The list included Check...

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How to get started with Sensu using Puppet

NOTE: This is a guest post by Garrett Honeycutt of LearnPuppet. As mentioned in an earlier post, we’ve been working with Garrett and his team to enhance the Sensu module for Puppet. This...

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Sensu Metrics Collection

This is a guest post to the Sensu Blog by Michael Eves, member to the Sensu community. He offered to share his experience as a user in his own words, which you can do too by emailing ...

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Using Check Hooks

Team Sensu recently released Sensu Core 1.1, which includes a powerful new feature called Check Hooks. Check Hooks are commands run by the Sensu client in response to the result of check command...

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Upcoming Sensu Training Opportunities

The October-November training schedule is now available for registration!

Back in May of this year, we shared the history of Sensu Training, and announced a new webinar format for Sensu Training. We...

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Jim Andrews is a Sensei

Introducing Jim Andrews, VP Sales

NOTE: Jim joined Team Sensu on May 1, 2017, in the middle of a period of rapid headcount growth. This belated announcement is one in a series to catch up on...

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Visit Sensu at PuppetConf 2017, enter to win a Nintendo Switch!

Come learn why the Sensu Puppet module is the #1 most downloaded monitoring solution on the PuppetForge, and enter to win a Nintendo Switch with Mario Kart 8 Deluxe!

Sensu is thrilled to be a Silver...

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Matt Broberg is a Sensei

Introducing Matt Broberg, VP Community

NOTE: Matt joined Team Sensu on June 19, 2017, in the middle of a period of rapid headcount growth. This belated announcement is one in a series to catch up...

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Mercedes Coyle is a Sensei

Introducing Mercedes Coyle, Engineer

NOTE: Mercedes joined Team Sensu on June 26, 2017, in the middle of a period of rapid headcount growth. This belated announcement is one in a series to catch up...

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The Sensu Prometheus Collector

I am very excited to share with you a little project that I started on Monday, the Sensu Prometheus Collector! I have wanted to create something like this for a long time now and I finally found the...

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Learning from Luke

Introducing Luke Kanies, Strategic Advisor

NOTE: Luke joined Team Sensu on April 20, 2017, in the middle of a period of rapid headcount growth. This belated announcement is one in a series to...

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James Phillips is a Sensei

Introducing James Phillips, Engineer

NOTE: James joined Team Sensu on April 18, 2017, in the middle of a period of rapid headcount growth. This belated announcement is one in a series to catch up...

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Interviewing Engineers at Sensu

Sensu's engineering team has grown considerably since raising our first round of investment. As we built out the engineering team, we realized the need for a consistent and objective interview...

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A Better Experience for Sensu & Puppet Users

Looking Back

One of Sensu’s core design tenets has always been to work in lockstep with the best Configuration Management (CM) systems. Even before Sensu existed as a product and now as a...

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The Future of Sensu

The 2017 Sensu Summit gets a theme, and more presenters

One year ago this week, on Sensu’s birthday, Sean Porter wrote about the first five years of Sensu. A lot about the OSS projectenterprise...

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Sensu Core version 1.0 is now available!

I am thrilled to announce the general release of Sensu Core version 1.0, which is now available to download and install.

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Sensu Core version 0.24 is now available!

We are very excited to announce the general release of Sensu Core version 0.24, which is now available to download and install.

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Community Maintenance Mode

TL;DR the current maintainers of Sensu Plugins and I have decided to slow down on regular issue support so we can speed up on version 0.29 (and the impeding Sensu version 1.0!) compatibility and...

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Sensu Summit 2017 Registration & CFP

Registration and a call for presentations are now available for the inaugural Sensu community event, to be held August 15–16, 2017 at the Portland Art Museum.

The inaugural Sensu Summit is fast...

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Sensu Training Redux

We’re relaunching Sensu Training on May 31, 2017

UPDATE (June 27, 2017): webinar sessions for the remainder of the series have been added (See “Sensu Administrator Track” and “Sensu Developer...

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Announcement: Sensu Core repositories adding HTTPS, IPv6 and HTTP/2 support

Summary: On Wednesday, May 17th 2017, the Sensu Core repositories will be redirected to a new CDN distribution enabling SSL, IPv6 and HTTP/2 access methods. This upgrade should be transparent,...

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Sensu Summit 2017

An inaugural Sensu community event will be held August 15–16, 2017 at the Portland Art Museum!

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Simon Plourde is a Sensei

Introducing Simon Plourde, Engineer

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Jason Dixon is a Sensei

Introducing Jason Dixon, VP of Business Development

It is with great pleasure that we are able to formally introduce Jason Dixon as employee #10 at Sensu, Inc. and our new VP of Business...

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Greg Poirier is a Sensei

Introducing Greg Poirier, VP of Engineering

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The Sensu Party @ Monitorama 2017

Tuesday, May 23, 2017 — directly following the closing talk at Day 2 of Monitorama 2017. Stop by the FREE Sensu after-party to learn more about Sensu, and see a live demo of what’s coming for the...

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Introducing the Sensu Partner Network

Sensu, the emerging monitoring solution of choice for organizations that are embracing DevOps and automation best practices, today announced its new Sensu Partner Network, establishing a standard for...

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Deprecated Sensu repositories to be shut down

No love lost

The deprecated Sensu package repositories available at repos.sensuapp.org, will be shut down on Wednesday, February 22nd, 2017.

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Sensu Core version 0.27 is now available!

We are very excited to announce the general release of Sensu Core version 0.27, which is now available to download and install.

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Introducing: Sensu, Inc.

January 30, 2017 (Portland, Oregon) — It is with incredible pleasure and gratitude that we are able to announce today that Heavy Water Operations has formally changed its name to Sensu, Inc. and...

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Sensu Enterprise version 2.3 is now available!

We are very excited to announce the general release of Sensu Enterprise version 2.3, which is now available to download and install. This release includes introduces a new built-in integration with ...

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Sensu Enterprise version 2.2 is now available!

We are very excited to announce the general release of Sensu Enterprise version 2.2, which is now available to download and install.

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Migrating to Sensu native silencing

Back in September we released Sensu Core version 0.26, adding silencing of clients and checks as a native construct in Sensu. In this post we aim to illuminate the specifics of this new approach to...

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Sensu Core version 0.26 is now available!

We are very excited to announce the general release of Sensu Core version 0.26, which is now available to download and install.

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Five Years of Sensu

Although Sensu wouldn’t become a publicly available open-source project until November 2011, the Sensu journey officially began five years ago this week. Five years ago I committed an empty...

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Deprecating Event Filtering in sensu-plugin

If you are like many Sensu users, you’ve come to rely on event handlers from the Sensu Plugins project for sending notifications to on-call personnel. These handler plugins automatically apply...

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ICYMI: Sensu Party @ Monitorama 2016 Recap

Hello friends. We wanted to say “thanks!” to everyone who came out to the Sensu Party @Monitorama! It was nice to meet many of the faces behind the names we see on the interwebs (e.g. Sensu IRC,...

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Sensu Joins the Chef Partner Cookbook Program!

We are very proud to announce that Sensu is now a part of the Chef Partner Cookbook Program. The Chef Partner Cookbook Program launched in February 2016 to establish “a new standard in code quality”...

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Sensu Enterprise version 1.14 is now available!

We are very excited to announce the general release of Sensu Enterprise version 1.14, which is now available to download and install.

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Sensu Core version 0.25 is now available!

We are very excited to announce the general release of Sensu Core version 0.25, which is now available to download and install.

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Sensu Enterprise version 1.13 is now available!

We are very excited to announce the general release of Sensu Enterprise version 1.13.0, which is now available to download and install.

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The Sensu Party @ Monitorama 2016

Are you planning on attending Monitorama 2016? Would you like to learn more about Sensu? Stop by the FREE Sensu after-party after the closing talk on Tuesday, June 28 to learn more about the Sensu...

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So Fresh, So Clean

Hi Friends! As Sensu continues to gain momentum and attract new users, we want to continue to improve the new user onboarding experience, and make it as seamless as possible. Although we think the...

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From Open Source to Open Core: The Hard Way

This is the story of a journey. A long and challenging journey in which a small, bootstrapped team has taken Sensu from humble beginnings as an open source software project, to an open core platform...

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Trending Stories: So Hot Right Now

Monitoring at scale, microservices, & more at Sensu Summit 2018

Monitoring at scale, microservices, & more at Sensu Summit 2018

 The Sensu Summit speaker lineup is live

It’s almost time! Sensu Summit is coming up August 22-23, and we’re thrilled to share the event schedule and speaker lineup....

Check output metric extraction with InfluxDB & Grafana

Check output metric extraction with InfluxDB & Grafana

Sensu is an extremely powerful standalone monitoring framework, but the real beauty of Sensu lies in its ability to harmoniously interact with, support, and...

Sensu at Microsoft Research

Sensu at Microsoft Research

The following is a guest post from Kris Zentner, Senior Service Engineer at Microsoft AI and Research. Have a story on how you Sensu? Let us know in the comments!

Try Sensu Enterprise for FREE today.

Learn More