I will attempt to expand more on each of these as I learn the different phases of dockerization.
A quick-start guide to Docker can be found here: https://docs.docker.com/linux/step_one/
NOTE: CoreOS installations come with Docker pre-installed.
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You can skip that step if you already have Docker installed and scroll down to where they start running commands.
CoreOS Docker Quirks
Default Docker IP Address
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To change Docker's default IP address, execute the following command, substituting for the CIDR notation of the new IP. It is imperative that you set this to a non-routable IP according to your source network's configuration.
sudo echo "[Service]ExecStart=
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sudo systemctl start docker
To verify:
ip addr should now list your newly specified ip instead of 172.17.x.x. A reboot may also be required in order for this change to take effect.
Command Completion: Unsupported
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chmod +x /home/core/docker-compose/docker-composeDebugging
General
- docker diff <name or id> - show what files differ from the source image (what changes you have made since running)
Building a Container
- docker stats <name or id> - shows memory usage / limits
- docker run <id> - can use the id of incremental build images to boot into the failing state
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