63 lines
1.6 KiB
Markdown
63 lines
1.6 KiB
Markdown
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## Basics
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Install [Docker](https://www.docker.com/), by following the instructions relevant
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to your OS / distribution, and start the service.
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### Search an image on [DockerHub](https://hub.docker.com/)
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```bash
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$ docker search debian
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NAME DESCRIPTION STARS OFFICIAL AUTOMATED
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ubuntu Ubuntu is a Debian-based Linux operating s... 2065 [OK]
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debian Debian is a Linux distribution that's comp... 603 [OK]
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google/debian 47 [OK]
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```
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### Show available tags for a repository
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```bash
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$ curl https://index.docker.io/v1/repositories/debian/tags | python -m json.tool
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% Total % Received % Xferd Average Speed Time Time Time Current
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Dload Upload Total Spent Left Speed
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100 1283 0 1283 0 0 433 0 --:--:-- 0:00:02 --:--:-- 433
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```
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Sample output:
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```json
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[
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{
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"layer": "85a02782",
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"name": "stretch"
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},
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{
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"layer": "59abecbc",
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"name": "testing"
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},
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{
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"layer": "bf0fd686",
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"name": "unstable"
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},
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{
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"layer": "60c52dbe",
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"name": "wheezy"
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},
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{
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"layer": "c5b806fe",
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"name": "wheezy-backports"
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}
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]
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```
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### Pull an image from DockerHub
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```bash
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$ docker pull repository[:tag]
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$ docker pull debian:wheezy
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wheezy: Pulling from debian
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4c8cbfd2973e: Pull complete
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60c52dbe9d91: Pull complete
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Digest: sha256:c584131da2ac1948aa3e66468a4424b6aea2f33acba7cec0b631bdb56254c4fe
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Status: Downloaded newer image for debian:wheezy
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```
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