Takeways from CKAD

Hello again 馃憢 I passed CKAD exam last week and here are some takeways Takeways: It is not about prep, it is about how much do you know kubernetes (at the Developer level) and how much do you understand its different concepts. The exam is not hard, in the contrary if you know your Kubernetes, it is the best way to validate you skills and knowledge. It is worth every penny in that sense....

June 21, 2021 路 2 min 路 Iduoad

The Holy Setup - Road to the Valhalla

It鈥檚 been a long time since I wrote something in the blog. A lot of things happened since my last blogpost. One of the interesting things that I鈥檝e been into is working on my new setup. This post is the first of a series of articles about my new setup. I鈥檒l share with you the things I added to (and removed from) my workflow, and how they benefited me. The big problem: Hardware My job and my research as a systems' engineer requires from me to create clusters of VMs (and containers) in order to simulate various environnements and architecures....

April 11, 2021 路 10 min 路 Iduoad

Why I am trying to quit social media

It鈥檚 not about data, it鈥檚 about attention. Most people believe that facebook is selling data to advertisers, and this not true, at least not for small non-governmental advertisers. What facebook is selling is our attention not our data. Facebook uses our data to help match the us to the right products (ads), but it does not actually sell it (our data). Let鈥檚 say I use a feed blocker browser extension, will facebook still make money out of me ?...

November 7, 2020 路 3 min 路 Iduoad

Deploying cloud native PHP: the ecosystem

Hello Again, Throughout the 4 previous months I got the chance to work on php applications again. This time not as a developer, but as an operator. I spent a good part of my internship trying to deploy, run and optimize php apps on my local environment and on the cloud. This post will be in many parts (3 or more). This part will be a sort of introduction to the php ecosystem....

June 26, 2020 路 8 min 路 Iduoad

How do rootless containers work ? podman's case

Containers are not secure ! I am kidding ! they are pretty secure but they are dangerous and one reason why they are is because they require root privileges to run. Why ? OKey Okey let鈥檚 take a look at this: sudo docker run -v /:/hostfs ubuntu rm -rf /hostfs You figured why running docker (container runtime) as root is dangerous ? Running your container runtime as root is the most dangerous thing you can do, because escaping the container barrier (container runtime vulnerability) will make the attacker root and Slat 3enbi....

May 20, 2020 路 4 min 路 Iduoad

Git Is My New Best Friend

I spent the last week at @ABConseils (The company hosting my internshipi 鉁) trying to deploy a two-tier web application (frontend/backend) inside containers. Everything was working fine except for recaptcha. For some reason I couldn鈥檛 get it to work on my local setup. I spent two days (on and off) trying to. After struggling a bit with this recaptcha problem I met with the team, and we agreed that in order to test what have been done, we will temporarily remove recaptcha from my local environement and reintegrate it later in next stages....

March 29, 2020 路 3 min 路 Iduoad

How do I learn ?

Hello everyone 馃憢, In this post, I鈥檒l share with you one of the tricks I use to learn new things. Fasten your seat belts 馃榿. Pick a reference What I call a 鈥渞eference鈥 is any interesting material about the topic you want to learn. From my experience this material should be concise and easy to consume (read or watch) and it can be anything from a talk to an article/paper or a simple blog post....

February 13, 2020 路 2 min 路 Iduoad