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This article mainly introduces how to install docker under raspberry pie 2, which is very detailed and has a certain reference value. Friends who are interested must finish reading it!

Install docker record under raspberry pie 2

It has not been clear what the so-called Docker container is before, occasionally read some related information, but also in the clouds. But the turnaround appeared yesterday. After reading some very good docker materials last night, I realized that it turned out to be a lightweight virtual machine-like thing.

It can isolate a space from your system, where you can install / configure / run all kinds of software without affecting your existing system.

And everything you have installed and configured can export a separate image file. Later, if you want to go back to your previously configured environment job, you can just import this image file (it feels very similar to the concept of Common Lisp runtime image). Docker has version management features similar to Git, so every change to the environment is recorded, and you can easily fall back to any change point.

The image files you generate can also be shared with others, which is useful for multi-person development projects and can complete the configuration of the development environment at once. In fact, the greater use of docker is to run configured applications.

So try to install it and follow the instructions to run the command directly under my two raspberry pie 2 (one with Raspbian and the other with Kano):

Pi@rpi ~ $sudo apt-get install dockerReading package lists... DoneBuilding dependency treeReading state information... Donedocker is already the newest version.The following packages were automatically installed and are no longer required: libmozjs10d libopencc1 libpresage-data libpresage1 libproxy0 libtinyxml2.6.2 libwebp2 presage python-support realpathUse 'apt-get autoremove' toremove them.0 upgraded, 0 newly installed, 0 toremove and 106 not upgraded.pi@rpi ~ $

Good, remind me that I have the latest version installed, so run it:

Pi@rpi ~ $sudo docker-- helpsudo: docker: command not foundpi@rpi ~ $

It's strange to say that you can't find the command, so let's see where the installation is:

Pi@rpi ~ $whereis dockerdocker:pi@rpi ~ $

There seems to be something wrong. There seems to be no executable file about docker, and the output of looking for git and tmux with the whereis command is as follows:

Pi@rpi ~ $whereis gitgit: / usr/bin/git / usr/share/man/man1/git.1.gzpi@rpi ~ $whereis tmuxtmux: / usr/bin/tmux / usr/local/bin/tmux / usr/share/man/man1/tmux.1.gzpi@rpi ~ $

So use find to search:

Pi@rpi ~ $sudo find /-name docker/opt/github/buildroot/package/docker/usr/share/doc/docker/usr/share/menu/dockerpi@rpi ~ $

The sense of disobedience is even stronger. None of the above looks like a stand-alone software package, so let's use the apt-cache search command to see if there are any other software under the name docker:

Pi@rpi ~ $sudo apt-cache search dockerdocker-System tray for KDE3/GNOME2 docklet applicationskarbon-vector graphics application for the Calligra Suitekdocker-lets you dock any application into the system traydocker.io-Linux container runtimegolang-docker-dev-Externally reusable Go packages included with Dockerpython-docker-Python wrapper to access docker.io's control socketpython3-docker-Python 3 wrapper to access docker.io's control socketruby-docker-api-Ruby gem to interact with docker.io remote APIvim-syntax-docker-Docker container engine-Vim highlighting syntax filespi@rpi ~ $

It turns out that docker has the same name as a system tray application under raspbian system. The container we are looking for is docker.io, so try to install it:

Pi@rpi ~ $sudo apt-get install docker.ioReading package lists... DoneBuilding dependency treeReading state information... DoneThe following packages were automatically installed and are no longer required: libmozjs10d libopencc1 libpresage-data libpresage1 libproxy0 libtinyxml2.6.2 libwebp2 presage python-support realpathUse 'apt-get autoremove' toremove them.The following extra packages will be installed: aufs-tools cgroupfs-mount libapparmor1Suggested packages: btrfs-tools debootstrap lxc rinseThe following NEW packages will be installed: aufs-tools cgroupfs-mount docker.io libapparmor10 upgraded, 4 newly installed, 0 toremove and 106 not upgraded.Need to get 3235 kB of archives.After this operation, 15.6 MB of additional disk space will be used.Do you want to continue? [Yum] yGet:1 http://mirrordirector.raspbian.org/raspbian/ jessie/main cgroupfs-mount all 1.1 [4572 B] Get:2 http://mirrordirector.raspbian.org/raspbian/ jessie/main aufs-tools armhf 1 purl 3.2 "20130722-1.1 [91.0 kB] Get:3 http://mirrordirector.raspbian.org/raspbian/ jessie/main libapparmor1 armhf 2.9.0-3 [58.1 kB] Get:4 http://mirrordirector.raspbian.org/raspbian/ jessie / main docker.io armhf 1.3.3~dfsg1-2 [3082 kB] Fetched 3235 kB in 15s (209kB/s) Selecting previously unselected package aufs-tools. (Reading database. 188303 files and directories currently installed.) Preparing to unpack. / aufs-tools_1%3a3.2+20130722-1.1_armhf.deb. Unpacking aufs-tools. Selecting previously unselected package cgroupfs-mount.Preparing to unpack. / cgroupfs-mount_1.1_all .deb... Unpacking cgroupfs-mount (1.1)... Selecting previously unselected package libapparmor1:armhf.Preparing to unpack... / libapparmor1_2.9.0-3_armhf.deb... Unpacking libapparmor1:armhf (2.9.0-3)... Selecting previously unselected package docker.io.Preparing to unpack... / docker.io_1.3.3~dfsg1-2_armhf.deb... Unpacking docker.io (1.3.3~dfsg1-2)... Processing triggers for man -db (2.7.0.2-5)... Processing triggers for systemd (215-17+deb8u2)... Setting up aufs-tools... Setting up cgroupfs-mount (1.1)... Mounting cgroupfs hierarchy.Setting up libapparmor1:armhf (2.9.0-3)... Setting up docker.io (1.3.3~dfsg1-2)... Adding group `docker' (GID 117)... Done.Starting Docker: docker.Processing triggers for libc-bin (2.19-18+deb8u1)... Processing triggers for systemd (215-17+deb8u2)... pi@rpi ~ $

Sure enough, after the installation is smooth, try to run it:

Pi@rpi ~ $docker-- versionDocker version 1.3.3 Build d344625pi@rpi ~ $pi@rpi ~ $sudo docker infoContainers: 0Images: 0Storage Driver: devicemapper Pool Name: docker-179:2-73614-pool Pool Blocksize: 65.54 kB Data file: / var/lib/docker/devicemapper/devicemapper/data Metadata file: / var/lib/docker/devicemapper/devicemapper/metadata Data Space Used: 305.7 MB Data Space Total: 107.4 GB Metadata Space Used: 729.1 kB Metadata Space Total: 2.147 GB Library Version: 1.02.90 (2014-09-01) Execution Driver : native-0.2Kernel Version: 4.1.13-v7+Operating System: Raspbian GNU/Linux 8 (jessie) WARNING: No swap limit supportpi@rpi ~ $

Well, now that we have successfully installed a docker on the raspbian system, we can operate on this docker later.

Start our docker daemon:

Pi@rpi ~ / notebooks $sudo docker-d2015The Docker runtime currently only officially supports amd64 12 WARNING 29 16:35:03 docker daemon: 1.3.3 d344625; execdriver: native; graphdriver: [ed7f66b0] + job serveapi (unix:///var/run/docker.sock) WARNING: The Docker runtime currently only officially supports amd64 (not arm). THIS BUILD IS NOT OFFICIAL AND WILL NOT BE SUPPORTED BY DOCKER UPSTREAM. [info] Listening for HTTP on unix (/ var/run/docker.sock) [ed7f66b0] + job init_networkdriver () Interface docker0 has more than 1 IPv4 address. Defaulting to using 172.17.42.1 [ed7f66b0]-job init_networkdriver () = OK (0) 16:35:04 on 2015-12-29 WARNING: Your kernel does not support cgroup swap limit. [info] Loading containers: [info]: done. [ed7f66b0] + job acceptconnections () [ed7f66b0]-job acceptconnections () = OK (0) these are all the contents of the article "how to install docker under Raspberry Pie 2". Thank you for reading! Hope to share the content to help you, more related knowledge, welcome to follow the industry information channel!

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