Categories
IT

Fixing Docker Error: “Error response from daemon: numerical result out of range”

If you’ve ever tried to create a custom Docker network and hit the dreaded Error response from daemon: numerical result out of range, you’re not alone. At first glance, this error looks like an IPv6 misconfiguration : bad subnet, invalid gateway, or wrong sysctl.
But the real cause might surprise you. 👇

Categories
IT

Docker Capabilities – Namespaced vs Global

Quick take: Linux capabilities are checked by the host kernel. With Docker’s default namespaces, many actions are contained to the container’s view of the system. Some capabilities, however, still impact the whole host and should be treated as near-root. This guide keeps your container perms tight and your host safe.

Categories
Informatique

Docker Host Networking Explained: Differences on Linux, macOS, and Windows

Docker’s network_mode: host is a powerful feature on Linux. But if you’re running Docker on macOS or Windows, its behavior can be surprising. This article breaks down how host networking works across operating systems, when to use it, and what your alternatives are.

Categories
Informatique

How to Upgrade Debian 12 to Debian 13 (Trixie) – Step-by-Step Guide

Looking to upgrade your system from Debian 12 Bookworm to the latest Debian 13 Trixie? This step-by-step tutorial will guide you through a safe and efficient upgrade process. Perfect for servers and desktop environments, this guide ensures minimal downtime and maximum system stability.

At the end of the post, we are providing you with a script that does the heavy lifting for you.

Categories
Informatique

Uninstalling Docker completely from Debian

How to Uninstall Docker Completely from Debian

If you no longer need Docker on your Debian system, here’s how to fully remove Docker and its related components, including docker-compose. Follow these steps for a thorough cleanup:

Categories
Informatique IT

Linux: Delete empty directories

You have loads of empty directories to delete in Linux? There is a command for that!