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[QOL] Documentation updates about duplicating containers

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sickcodes 2020-11-28 14:12:44 +00:00
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README.md
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@ -316,26 +316,46 @@ docker cp oldcontainerid:/home/arch/OSX-KVM/mac_hdd_ng.img .
Or if you lost your container, find it with this:
```bash
# fast way
# fast way, find 10 gigabyte OSX disks hiding in your docker container storage
sudo find /var/lib/docker -size +10G | grep mac_hdd_ng.img
# you can move (mv) it somewhere
# you can move (mv) it somewhere, using cp can take loads of disk space
sudo mv somedir/mac_hdd_ng.img .
# start a new container
# get the new container id
docker ps
# docker cp INTO new container
docker cp ./mac_hdd_ng.img newcontainerid:/home/arch/OSX-KVM/mac_hdd_ng.img
```
# DESTROY: Wipe old images
# Use an Old Docker-OSX Disk in a Fresh Container (Replication)
You do not have to reinstall everything, you can simply:
- start a new container
- overwrite the .img in the new container with your big old one
```bash
# start a new docker-osx container
# you can start with ssh, without, or vnc, because they are all interchangable.
# get the NEW container id
docker ps
# docker cp your OLD disk into the NEW container
docker cp ./mac_hdd_ng.img newcontainerid:/home/arch/OSX-KVM/mac_hdd_ng.img
# kill the NEW container
docker kill newcontainerid
# start the NEW container and it just works
docker start newcontainerid
```
# DESTROY: Wipe old images to get
This is useful for getting disk space back.
It will delete your old (and new) docker containers.
It will delete ALL your old (and new) docker containers.
```bash
# WARNING deletes all old images, but saves disk space if you make too many containers
@ -357,18 +377,25 @@ This file builds on top of the work done by Dhiru Kholia and many others on the
# Custom Build
```bash
docker build -t docker-osx:latest \
--build-arg VERSION=10.14.6 \
--build-arg SIZE=200G
--build-arg VERSION=10.14.6 \
--build-arg SIZE=200G
```
# Custom QEMU Arguments (passthrough devices)
Pass any devices/directories to the Docker container & the QEMU arguments using the handy `-e EXTRA=` runtime options.
```bash
docker run \
-e RAM=4 \
-e SMP=4 \
-e CORES=4 \
-e EXTRA='-usb -device usb-host,hostbus=1,hostaddr=8' \
-e INTERNAL_SSH_PORT=23 \
--device /dev/kvm --device /dev/snd -v /tmp/.X11-unix:/tmp/.X11-unix docker-osx:latest
-e RAM=4 \
-e SMP=4 \
-e CORES=4 \
-e EXTRA='-usb -device usb-host,hostbus=1,hostaddr=8' \
-e INTERNAL_SSH_PORT=23 \
--device /dev/kvm \
--device /dev/snd \
-v /tmp/.X11-unix:/tmp/.X11-unix \
docker-osx:latest
```
@ -395,10 +422,20 @@ echo $DISPLAY
```
Hence, `${DISPLAY:-:0.0}` will use whatever variable your X11 server has set for you, else `:0.0`
## What is `-v /tmp/.X11-unix:/tmp/.X11-unix`?
`-v` is a Docker command-line option that lets you pass a volume to the container.
The directory that we are letting the Docker container use is a X server display socket.
`/tmp/.X11-unix`
If we let the Docker container use the same display socket as our own environment, then any applications you run inside the Docker container will show up on your screen too! [https://www.x.org/archive/X11R6.8.0/doc/RELNOTES5.html](https://www.x.org/archive/X11R6.8.0/doc/RELNOTES5.html)
## Todo:
```
- GPU Acceleration (Hackintosh? Passthru bus id of cards? AMD Vega? Nvidia-SMI?)
- Security Documentation
- GPU Acceleration: Coming Soon
- Virt-manager
```