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This guide offers a step by step tutorial on how to install macOS in a Docker container on a Gcore bare metal server. The main benefit of going with bare metal over a virtual machine is that bare metal doesn’t require virtualization software, but rather uses hardware resources directly. As a result, you can get better performance from a Gcore bare-metal server than from a Gcore virtual machine.
You don’t need much experience with bare metal and Docker administration to install macOS on bare metal with Ubuntu successfully. Just follow the recommendations and CLI commands we provide here!
Installing macOS in a Docker container is a great way to run macOS on non-Apple hardware. It can be a great solution for developers who need to test their applications on macOS, but don’t have access to an Apple computer. By following the steps in this guide, you can easily set up a macOS environment in Docker and start testing your applications.
First, you need to provision a bare metal instance by following a few simple steps:
Before installing macOS in Docker, make sure that the Ubuntu OS is up to date.
ssh ubuntu@<your_public_ip_address>
For example:
ssh ubuntu@45.82.30.25
ubuntu@macos-server:~$ sudo su root@macos-server:/home/ubuntu# apt update
Before running the macOS image, you need to install the following additional components that will enable CPU virtualization on the Ubuntu server:
root@macos-server:/home/ubuntu# sudo apt install qemu qemu-kvm libvirt-clients libvirt-daemon-system bridge-utils virt-manager docker.io xfce4 xfce4-goodies tightvncserver
Run VNCServer to initialize the X11 display:
root@macos-server:/home/ubuntu# vncserver :0 You will require a password to access your desktops. Password:
root@macos-server:/home/ubuntu# apt-get --reinstall install xfonts-base root@macos-server:/home/ubuntu# vncserver :0
Here’s what you should see:
root@macos-server:/home/ubuntu# vncserver :0 New 'X' desktop is macos-server:0 Creating default startup script /root/.vnc/xstartup Starting applications specified in /root/.vnc/xstartup Log file is /root/.vnc/macos-server:0.log
root@macos-server:/home/ubuntu# export DISPLAY=:0 root@macos-server:/home/ubuntu# xhost + access control disabled, clients can connect from any host
root@macos-server:/home/ubuntu# sudo systemctl enable --now libvirtd root@macos-server:/home/ubuntu# sudo systemctl enable --now virtlogd root@macos-server:/home/ubuntu# echo 1 | sudo tee /sys/module/kvm/parameters/ignore_msrs root@macos-server:/home/ubuntu# sudo modprobe kvm root@macos-server:/home/ubuntu# sudo usermod -aG docker "${USER}" root@macos-server:/home/ubuntu# sudo usermod -aG libvirt "${USER}" root@macos-server:/home/ubuntu# sudo usermod -aG kvm "${USER}"
root@macos-server:/home/ubuntu# docker run -it --device /dev/kvm -p 50922:10022 -v /tmp/.X11-unix:/tmp/.X11-unix -e "DISPLAY=${DISPLAY:-:0.0}" -e GENERATE_UNIQUE=true sickcodes/docker-osx:auto
Here’s what you’ll see:
Warning: Permanently added '[127.0.0.1]:10022' (ED25519) to the list of known hosts. Host 127.0.0.1 User user Port 10022 IdentityFile ~/.ssh/id_docker_osx StrictHostKeyChecking no UserKnownHostsFile=/dev/null Default username: user Default password: alpine Change it immediately using the command: passwd Warning: Permanently added '[127.0.0.1]:10022' (ED25519) to the list of known hosts. Last login: Sun Apr 9 17:37:35 2023
VNC Server: <your_public_ip_address>:5900
For example:
VNC Server: 45.82.30.25:5900
Click OK and enter a username and password:
# username is user # password is alpine
That’s it! You have successfully installed macOS in Docker on a bare metal server with Ubuntu.
In this tutorial, we explained how to install macOS on bare metal with Ubuntu using Docker. Check out our other articles dedicated to setting up different types of software on Gcore Cloud instances:
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