Loic Tosser - Kalvad

Loic Tosser

French Nerd! #sysadmin #Rust #FreeBSD #Go #Archlinux #PostgreSQL #erlang #elixir Nam et ipsa scientia potestas est

Automation: n8n strikes back

Automation: n8n strikes back

Almost 2 years ago, we introduced a new automation tool in this article [https://blog.kalvad.com/n8n-on-clever-cloud/]: n8n, and we know that some people were using our article to deploy it in production. Here is the small issue: our deployment was made back in the days, and nowadays, a

Uptime Kuma, SQLite and Litestream!

Uptime Kuma, SQLite and Litestream!

How can you deploy a SQLite application on almost any cloud provider in a secure and reliable way!

Archlinux in Production?

Archlinux in Production?

Is archlinux viable in production? Why you should use it too? Is that better than Ubuntu? (YES!!!)

To Cloud or not to Cloud

To Cloud or not to Cloud

Kalvad is very present in the Middle East, especially on certain topics: * Fixers: we are the people who can fix everything * High Performance Systems * Crazy constraints apps Of course, you don't find this kind of setup in a small startup, mostly in big Corporations or Governmental Entities. And as you

Dhakira, the cloud-native Web Server or Why Hosting some static assets is still so complicated?

Dhakira, the cloud-native Web Server or Why Hosting some static assets is still so complicated?

Let's be clear here, I'm French, so I'm complaining a lot! And some people are saying: > Loïc, you should not be so negative! Where are your solutions? So let me tell you a nice story! Static For the Win As you may know, we are huge fans of static site

Apache Airflow on Clever Cloud

Apache Airflow on Clever Cloud

During a recent interaction on Twitter [https://twitter.com/mtparet/status/1476569459762548738] (in French, sorry), some people were misbehaving and we were shocked to see the same story as usual: people are using software without understanding it (or reading the doc)! I blame a lot all these "ready-made" packages, like

Sysadmin/DevOps/SRE people, we are on the way to a massive pauperization of our jobs!

Sysadmin/DevOps/SRE people, we are on the way to a massive pauperization of our jobs!

If you follow us on LinkedIn, you should have seen that we are hiring a lot of people these days, especially in one department that is not the most active on the hiring part: Kalvad's Infrastructure Team (KIT™). The KIT™ has currently 2 members with me as the manager, and

Security is a never-ending process, not a validation step!

Security is a never-ending process, not a validation step!

As you may know, if you are familiar with our blog, most people are considering us as IT's firefighters (and don't get me wrong, I'm not a big fan of middle-of-the-night phone calls). Usually, the main issue for middle-of-the-night calls is infrastructure, but from time to time, people are calling

How to handle a massive infrastructure problem

How to handle a massive infrastructure problem

Tonight is one of these nights. It's 04:30 a.m. and I receive an emergency call (less than 3 hours after going to bed) from this customer which is important to us. They are asking for help, as they have a major issue in their data center on some

Using Open source software is the only way to have a sustainable business

Using Open source software is the only way to have a sustainable business

I'm convinced for multiple years that open source is the future, however, after almost 10 years as a C-Level manager, my discourse changed a bit! Let's be clear, originally, my discourse was more political than rational. But I think it's time to write how I'm explaining the advantages and disadvantages

You are software engineers, so COMPILE YOUR SOFTWARE

You are software engineers, so COMPILE YOUR SOFTWARE

Few weeks ago, I did a conference about Kubernetes/Docker (in French, sorry, but the slides are here [https://www.beautiful.ai/player/-MToF5BZRnhHDSNdjfhX]), and I put inside a statement that some people, rightfully, were holding me accountable for: Docker images are slow because they are using old technologies! The

Surviving guide for a tech startup aka How to properly bootstrap your startup - Part 2

Surviving guide for a tech startup aka How to properly bootstrap your startup - Part 2

We highly recommend that you read the first part of this article: Stop building sandcastles aka How to properly bootstrap your startup - Part 1 [https://blog.kalvad.com/bootstrap-your-startup-part-1/] Introduction Your startup has a name, and a good base, now it's time to jump in. You want to start

Stop building sandcastles aka How to properly bootstrap your startup - Part 1

Stop building sandcastles aka How to properly bootstrap your startup - Part 1

Introduction At Kalvad, we are nerds, and proud to be, but it's not because we are nerds, that we are asocial. The problem we all faced whenever we say we work in IT in a discussion, is someone saying: "I have an idea for a startup". Sometimes I hear some

Cheap DDoS on-demand or How to properly load test your application!

Cheap DDoS on-demand or How to properly load test your application!

We decline all responsibility in case of any accidents following the usage of this tool! 2 weeks ago, we published an article The future of the internet is static! AKA how we scaled to 10 million users in a minute without crashing [https://blog.kalvad.com/the-future-of-website-is-static/], and 2 questions

The future of the internet is static! AKA how we scaled to 10 million users in a minute without crashing

The future of the internet is static! AKA how we scaled to 10 million users in a minute without crashing

We usually define our company as a pure tech agency, but most of our customers are treating us like IT firefighters: they call us when the s**t is hitting the fan, and the house is burning. Introduction Almost a year ago, I got one of this middle of the

N8N on Clever Cloud

N8N on Clever Cloud

Introduction N8N [https://n8n.io] is an "Extendable workflow automation", or as I prefer to call it: the open source IFTTT. As you know, at Kalvad [https://kalvad.com], we are big fans of: * open source * selfhosted * automation Why? Because it gives us the power to deploy a software where

Ghost on Clever Cloud

Ghost on Clever Cloud

Easily deploy Ghost on Clever Cloud

The Automation Paradox

The Automation Paradox

Automation is eating the world, but it's also one of the hardest task to begin with, especially in big corporations.