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1## Basics
2Install [Docker](https://www.docker.com/), by following the instructions relevant
3to 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
10NAME DESCRIPTION STARS OFFICIAL AUTOMATED
11ubuntu Ubuntu is a Debian-based Linux operating s... 2065 [OK]
12debian Debian is a Linux distribution that's comp... 603 [OK]
13google/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
21Dload Upload Total Spent Left Speed
22100 1283 0 1283 0 0 433 0 --:--:-- 0:00:02 --:--:-- 433
23```
24
25Sample 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
57wheezy: Pulling from debian
584c8cbfd2973e: Pull complete
5960c52dbe9d91: Pull complete
60Digest: sha256:c584131da2ac1948aa3e66468a4424b6aea2f33acba7cec0b631bdb56254c4fe
61Status: Downloaded newer image for debian:wheezy
62```