Tag: Docker

Setup Docker on Ubuntu 25.10

  • Haco
  • November 22, 2025
  • 2 min read

To set up Docker on Ubuntu 25.10 (Questing Quokka), follow these steps. These instructions use the official Docker repository to ensure you get the latest version. Step 1: Uninstall Old Versions Conflicting packages (like docker.io or podman-docker) might be installed by default. Remove them to prevent conflicts: sudo apt-get remove docker.io docker-doc docker-compose docker-compose-v2 podman-docker containerd runc Step 2: Set Up the Docker Repository 1、Update your package index and install necessary dependencies: sudo apt-get update sudo apt-get install ca-certificates curl 2、Add Docker’s official GPG key: sudo install -m 0755 -d /etc/apt/keyrings sudo curl…

Running arm64 docker container on x86

  • Haco
  • March 4, 2025
  • 2 min read

Make sure to install the packages mentioned in , which then will allows docker to leverage qemu, which then emulates the target cpu architecture. binfmt Use the  image to install QEMU and register the executable types on the host with a single command: $ docker run --privileged --rm tonistiigi/binfmt --install all This installs the QEMU binaries and registers them with , enabling QEMU to execute non-native file formats for emulation. Once QEMU is installed and the executable types are registered on the host OS, they work transparently inside containers. You can…