A quick note about how to backup a self hosted Gitlab container. Hosting my code in a private git repository was in my initial plans for the container edition of my home-server. The installation with docker-compose was straightforward. I published the container behind an Nginx Proxy Manager secured with an Let's …

I'm reviewing the DEVASC exam topics. Here I share some quick notes about curl, jq and Cisco DNA API. Base64 and newline Let's start with authentication. DNAC uses basic authentication. Credentials are encoded with base64. The process is simple. We encode the credentials with base64 and use the encoded string to get a …

In this post I share a few notes about the Jellyfin container running on my home server and how to mount the SMB shares on FreeNAS. In the last post I discussed my first steps in the container's world. In this post we'll see some details about the Jellyfin container that serves the media content. All the content of the …

Home server adventures in the container's world. After migrating my Microserver to Freenas/TrueNAS I missed having a server at home for my side projects. At the same time I was tired of messing with WLS2 and Docker on my Win 10 PC - migration to Ubuntu already planned. I was running an Unifi controller on Hetzner cloud …

This post is part of a series about Docker, including: Docker Introduction Docker: Install software inside a container Docker Volumes Docker Networking - bridge container to host NIC We started with the basics and moved on with adding software, using volumes and then bridging a container to the network. As a said I'm …

Today we'll see Docker networking with a very specific target in mind: bridge container to the host network. This isn't supposed to be the way of work of containers: a container should be created to run a single application so container networking, from the point of view of a Network Engineer, is essentially a Port …

In the last post we saw that any file system change inside a docker container is lost if not committed to the image. What if we want to share data between containers? We can use Docker's Data Volumes and Data Volume Containers. Data Volumes or Data Volume Containers? Data Volumes feature allows us to mount a local …

In the first post of this series we left with a running Ubuntu 15.04 container. Now it's time to install software inside the container. A container is "stateless", meaning any file change inside a container is lost when the container is closed, including software installations. Install software To install software …

Docker and more generic Linux containers technology are a hot topic these days. The website says "for developers and sysadmins", I am neither of the two but I can still find some useful applications for containers as a Network Engineer. Let's start from the basics. Install docker and first run We can apt-get to install …