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1 | ## Basics | |
2 | Install [Docker](https://www.docker.com/), by following the instructions relevant | |
3 | to your OS / distribution, and start the service. | |
4 | ||
5 | ### Search an image on [DockerHub](https://hub.docker.com/) | |
6 | ||
7 | ```bash | |
8 | $ docker search debian | |
9 | ||
10 | NAME DESCRIPTION STARS OFFICIAL AUTOMATED | |
11 | ubuntu Ubuntu is a Debian-based Linux operating s... 2065 [OK] | |
12 | debian Debian is a Linux distribution that's comp... 603 [OK] | |
13 | google/debian 47 [OK] | |
14 | ``` | |
15 | ||
16 | ### Show available tags for a repository | |
17 | ```bash | |
18 | $ curl https://index.docker.io/v1/repositories/debian/tags | python -m json.tool | |
19 | ||
20 | % Total % Received % Xferd Average Speed Time Time Time Current | |
21 | Dload Upload Total Spent Left Speed | |
22 | 100 1283 0 1283 0 0 433 0 --:--:-- 0:00:02 --:--:-- 433 | |
23 | ``` | |
24 | ||
25 | Sample output: | |
26 | ```json | |
27 | [ | |
28 | { | |
29 | "layer": "85a02782", | |
30 | "name": "stretch" | |
31 | }, | |
32 | { | |
33 | "layer": "59abecbc", | |
34 | "name": "testing" | |
35 | }, | |
36 | { | |
37 | "layer": "bf0fd686", | |
38 | "name": "unstable" | |
39 | }, | |
40 | { | |
41 | "layer": "60c52dbe", | |
42 | "name": "wheezy" | |
43 | }, | |
44 | { | |
45 | "layer": "c5b806fe", | |
46 | "name": "wheezy-backports" | |
47 | } | |
48 | ] | |
49 | ||
50 | ``` | |
51 | ||
52 | ### Pull an image from DockerHub | |
53 | ```bash | |
54 | $ docker pull repository[:tag] | |
55 | ||
56 | $ docker pull debian:wheezy | |
57 | wheezy: Pulling from debian | |
58 | 4c8cbfd2973e: Pull complete | |
59 | 60c52dbe9d91: Pull complete | |
60 | Digest: sha256:c584131da2ac1948aa3e66468a4424b6aea2f33acba7cec0b631bdb56254c4fe | |
61 | Status: Downloaded newer image for debian:wheezy | |
62 | ``` |