# install stable version
$ yaourt --needed --noconfirm -S --force docker
# or latest git version
$ yaourt --needed --noconfirm -S --force docker-git
# start and enable the service
$ sudo systemctl enable docker
$ sudo systemctl start docker
# allow your user to access docker, refresh session
$ sudo gpasswd -a `whoami` docker
$ newgrp docker
# show information
$ docker info
Containers: 0
Images: 0
Storage Driver: aufs
Root Dir: /var/lib/docker/aufs
Backing Filesystem: extfs
Dirs: 0
Execution Driver: native-0.2
Kernel Version: 3.18.7-1-ARCH
Operating System: ArchLinux
CPUs: 4
Total Memory: 15.49 GiB
Name: zzz
ID: 5SDJ:LPNU:UAR4:ULRJ:REZF:4V3W:6ES6:KJTW:DETH:765Y:XP4I:IZZZ
WARNING: No swap limit support
$ docker pull l3iggs/archlinux
$ docker pull kampka/archlinux
$ docker pull logankoester/archlinux
Pulling repository logankoester/archlinux
88d601db3077: Download complete
511136ea3c5a: Download complete
9b0516337e5a: Download complete
dce0559daa1b: Download complete
ff4d9d90bf08: Download complete
7207641fe7f8: Download complete
Status: Downloaded newer image for logankoester/archlinux:latest
Pulling repository logankoester/archlinux
88d601db3077: Download complete
511136ea3c5a: Download complete
9b0516337e5a: Download complete
dce0559daa1b: Download complete
ff4d9d90bf08: Download complete
7207641fe7f8: Download complete
Status: Downloaded newer image for logankoester/archlinux:latest
$ docker run 88d601db3077 ls -al
...
$ docker run -t -i logankoester/archlinux /bin/bash
exit
$ docker run logankoester/archlinux pacman -Rdd --noconfirm dirmngr
Packages (1): dirmngr-1.1.1-2
Total Removed Size: 0.49 MiB
:: Do you want to remove these packages? [Y/n]
removing dirmngr...
:: Synchronizing package databases...
downloading core.db...
downloading extra.db...
downloading community.db...
:: Starting full system upgrade...
:: Replace dirmngr with core/gnupg? [Y/n]
:: Replace lzo2 with core/lzo? [Y/n]
resolving dependencies...
looking for inter-conflicts...
Packages (77): archlinux-keyring-20150212-1 bash-4.3.033-1 ca-certificates-20140923-9 ca-certificates-cacert-20140824-2 ca-certificates-mozilla-3.17.4-1 ca-certificates-utils-20140923-9 coreutils-8.23-1 cracklib-2.9.1-1 curl-7.40.0-1 db-5.3.28-2 dbus-1.8.16-2 device-mapper-2.02.116-1 dhcpcd-6.7.1-1 dirmngr-1.1.1-2 [removal] e2fsprogs-1.42.12-1 expat-2.1.0-4 file-5.22-1 filesystem-2015.02-1 gcc-libs-4.9.2-3 gettext-0.19.4-1 glib2-2.42.1-1 glibc-2.21-2 gmp-6.0.0-2 gnupg-2.1.2-1 gnutls-3.3.12-1 gpgme-1.5.3-1 grep-2.21-1 hwids-20150129-1 inetutils-1.9.2-2 iproute2-3.18.0-1 kbd-2.0.2-1 kmod-19-1 krb5-1.13.1-1 less-471-1 libarchive-3.1.2-8 libassuan-2.1.3-1 libcap-2.24-2 libdbus-1.8.16-2 libffi-3.2.1-1 libgcrypt-1.6.2-1 libgpg-error-1.18-1 libidn-1.29-1 libksba-1.3.2-1 libldap-2.4.40-2 libsystemd-218-2 libtasn1-4.2-1 libtirpc-0.2.5-1 libunistring-0.9.4-1 libutil-linux-2.25.2-1 linux-api-headers-3.18.5-1 logrotate-3.8.8-2 lz4-127-1 lzo-2.09-1 lzo2-2.08-1 [removal] mpfr-3.1.2.p11-1 ncurses-5.9-7 netctl-1.10-1 nettle-2.7.1-1 npth-1.1-1 openresolv-3.6.1-1 openssl-1.0.2-1 p11-kit-0.22.1-3 pacman-4.2.1-1 pacman-mirrorlist-20150205-1 pcre-8.36-2 perl-5.20.2-1 pinentry-0.9.0-1 procps-ng-3.3.10-1 shadow-4.2.1-2 systemd-218-2 systemd-sysvcompat-218-2 tar-1.28-1 texinfo-5.2-3 tzdata-2015a-1 usbutils-008-1 util-linux-2.25.2-1 xz-5.2.0-1
Total Download Size: 62.40 MiB
Total Installed Size: 264.78 MiB
Net Upgrade Size: 26.52 MiB
:: Proceed with installation? [Y/n]
:: Retrieving packages ...
...
The previous changes of each run is not saved until you call docker commit, find out the last run ID first before committing:
$ docker ps -l
CONTAINER ID IMAGE COMMAND CREATED STATUS PORTS NAMES
6d67ee44e7f5 logankoester/archlinux:latest "pacman -Syu --nocon 11 minutes ago Exited (0) 2 minutes ago stoic_meitner
# docker commit ID your_username/your_repository
$ docker commit 6d67ee44e7f5 kokizzu/archlinux
5ab1562ea89959c54b8da4462abf086c91434524ae741769dab869b8263d7c1b
To check more information about current dock, use docker inspect followed by image ID:
$ docker images
REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE
kokizzu/archlinux latest 5ab1562ea899 28 seconds ago 640.6 MB
logankoester/archlinux latest 88d601db3077 24 hours ago 282.9 MB
...
# docker inspect ID
$ docker inspect 5ab1562ea899
After you verify that your image is working, you can share it to others (create a repository first on your dashboard), for example:
# docker push ID your_username/your_repository
You can find more information on the cheatsheet and the documentation, and if you're tempted to install sshd read this first.
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