The log files for your Docker applications can grow to enormous size if allowed to - many 100's of GBs. I have heard of these logs crashing systems due to their filling up the storage on the server. Thankfully, the simple solution to this issue is the logrotaion command.…
Top-like interface for container metrics ctop provides a concise and condensed overview of real-time metrics for multiple containers: as well as a single container view for inspecting a specific container. ctop comes with built-in support for Docker and runC; connectors for other container and cluster systems are…
I recently decided to move the persistent data for this Ghost blog from a Bind Mount to a dedicated Docker Volume, this was mainly due to issues with backing up a running SQL database. Below is the simple process I followed. * Stop the running container (For example Dozzle). * Create a…
Introduction The ZimaBoard is a low-cost single board server that can be hacked to run various open source applications and services. It has both the expandability of an x86 SBC and the power of a micro server, and supports Linux, Windows, OpenWrt, pfSense, Android and more. My homelab has…
Introduction Seafile is an open-source, cross-platform file-hosting software system. Files are stored on a central server and can be synchronized with personal computers and mobile devices through apps. Files on the Seafile server can also be accessed directly via the server's web interface. Seafile'…
Introduction Firewalls are essential for network security, this article will guide you through understanding firewall rules and demonstrate how to manage these rules using iptables, firewalld, and ufw. What is a Firewall? A firewall is a network security system that monitors and controls incoming and outgoing network traffic based on…
Introduction When we run a Docker container, it connects with a virtual network using an IP address. For this reason, we expect services to get a configuration dynamically. However, we might want to use a static IP instead of an automatic IP allocation. Docker runs its own DNS services that…
Introduction In a containerized environment, monitoring the health of your containers is essential to ensure the smooth operation of your applications. Docker Compose, a popular tool for defining and managing multi-container applications, provides a straightforward way to incorporate health checks into your container setup. Why are Health Checks Important?…