我之前用的boot2docker镜像快速实现的Linux轻量提供，现在在Ubuntu上安装docker，网络采用NAT模式（个人比较习惯用此方式，桥接的方式比较麻烦，很多apt安装失败）。有时在Ubuntu安装docker需要耐心，安装过程会比较慢，安装完成后要将Linux用户加到docker用户分组才能正常使用docker命令。
Ubuntu安装Docker
命令：sudo apt-get install -y docker.io
boonya@ubuntu:/usr/local/docker$ sudo apt-get install docker.io [sudo] password for boonya: Reading package lists... Done Building dependency tree Reading state information... Done The following extra packages will be installed: apparmor aufs-tools cgroupfs-mount git git-man liberror-perl Suggested packages: apparmor-profiles apparmor-docs apparmor-utils btrfs-tools debootstrap lxc rinse git-daemon-run git-daemon-sysvinit git-doc git-el git-email git-gui gitk gitweb git-arch git-cvs git-mediawiki git-svn The following NEW packages will be installed: apparmor aufs-tools cgroupfs-mount docker.io git git-man liberror-perl 0 upgraded,7 newly installed,0 to remove and 87 not upgraded. Need to get 8,408 kB of archives. After this operation,46.8 MB of additional disk space will be used. Do you want to continue? [Y/n] Y Get:1 http://us.archive.ubuntu.com/ubuntu/ vivid/main apparmor amd64 2.9.1-0ubuntu9 [352 kB] Get:2 http://us.archive.ubuntu.com/ubuntu/ vivid/universe aufs-tools amd64 1:3.2+20130722-1.1 [92.3 kB] Get:3 http://us.archive.ubuntu.com/ubuntu/ vivid/universe cgroupfs-mount all 1.1 [4,796 B] Get:4 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/universe docker.io amd64 1.6.2~dfsg1-1ubuntu4~15.04.1 [4,420 kB] Get:5 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/universe docker.io amd64 1.6.2~dfsg1-1ubuntu4~15.04.1 [4,420 kB] Get:6 http://us.archive.ubuntu.com/ubuntu/ vivid/main liberror-perl all 0.17-1.1 [21.1 kB] Get:7 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git-man all 1:2.1.4-2.1ubuntu0.1 [701 kB] Get:8 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git-man all 1:2.1.4-2.1ubuntu0.1 [701 kB] Get:9 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git amd64 1:2.1.4-2.1ubuntu0.1 [2,817 kB] Get:10 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git amd64 1:2.1.4-2.1ubuntu0.1 [2,817 kB] Get:11 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git amd64 1:2.1.4-2.1ubuntu0.1 [2,817 kB] Get:12 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git amd64 1:2.1.4-2.1ubuntu0.1 [2,817 kB] Get:13 http://us.archive.ubuntu.com/ubuntu/ vivid-updates/main git amd64 1:2.1.4-2.1ubuntu0.1 [2,817 kB] Fetched 6,145 kB in 46min 44s (2,190 B/s) Preconfiguring packages ... Selecting prevIoUsly unselected package apparmor. (Reading database ... 76408 files and directories currently installed.) Preparing to unpack .../apparmor_2.9.1-0ubuntu9_amd64.deb ... Unpacking apparmor (2.9.1-0ubuntu9) ... Selecting prevIoUsly unselected package aufs-tools. Preparing to unpack .../aufs-tools_1%3a3.2+20130722-1.1_amd64.deb ... Unpacking aufs-tools (1:3.2+20130722-1.1) ... Selecting prevIoUsly unselected package cgroupfs-mount. Preparing to unpack .../cgroupfs-mount_1.1_all.deb ... Unpacking cgroupfs-mount (1.1) ... Selecting prevIoUsly unselected package docker.io. Preparing to unpack .../docker.io_1.6.2~dfsg1-1ubuntu4~15.04.1_amd64.deb ... Unpacking docker.io (1.6.2~dfsg1-1ubuntu4~15.04.1) ... Selecting prevIoUsly unselected package liberror-perl. Preparing to unpack .../liberror-perl_0.17-1.1_all.deb ... Unpacking liberror-perl (0.17-1.1) ... Selecting prevIoUsly unselected package git-man. Preparing to unpack .../git-man_1%3a2.1.4-2.1ubuntu0.1_all.deb ... Unpacking git-man (1:2.1.4-2.1ubuntu0.1) ... Selecting prevIoUsly unselected package git. Preparing to unpack .../git_1%3a2.1.4-2.1ubuntu0.1_amd64.deb ... Unpacking git (1:2.1.4-2.1ubuntu0.1) ... Processing triggers for man-db (2.7.0.2-5) ... Processing triggers for ureadahead (0.100.0-19) ... Processing triggers for systemd (219-7ubuntu3) ... Setting up apparmor (2.9.1-0ubuntu9) ... update-rc.d: warning: start and stop actions are no longer supported; falling back to defaults insserv: script MysqL.server.sh: service MysqL already provided! Setting up aufs-tools (1:3.2+20130722-1.1) ... Setting up cgroupfs-mount (1.1) ... insserv: script MysqL.server.sh: service MysqL already provided! Setting up docker.io (1.6.2~dfsg1-1ubuntu4~15.04.1) ... insserv: script MysqL.server.sh: service MysqL already provided! Setting up liberror-perl (0.17-1.1) ... Setting up git-man (1:2.1.4-2.1ubuntu0.1) ... Setting up git (1:2.1.4-2.1ubuntu0.1) ... Processing triggers for libc-bin (2.21-0ubuntu4) ...
Docker为当前用户授权
命令：$sudo gpasswd -a ${USER} docker
boonya@ubuntu:/usr/local/docker$ sudo gpasswd -a root docker Adding user root to group docker
注意：授权后需要重启系统reboot。
boonya@ubuntu:/usr/local/docker$ docker images FATA[0000] Get http:///var/run/docker.sock/v1.18/images/json: dial unix /var/run/docker.sock: permission denied. Are you trying to connect to a TLS-enabled daemon without TLS?
查看Docker的版本
命令：docker -v | docker --version
root@ubuntu:/home/boonya# docker --version Docker version 1.6.2,build 7c8fca2 root@ubuntu:/home/boonya#
查看Docker进程
命令：ps -ef | grep docker
root@ubuntu:/home/boonya# ps -ef | grep docker root 588 1 0 17:13 ? 00:00:20 /usr/bin/docker -d -H fd:// root@ubuntu:/home/boonya#
Docker对容器的启动停止和重启操作
启动已被停止的容器container
命令：docker start container
停止运行中的容器container
命令：docker stop container
重启容器container
命令：docker restart container
Docker Hub账号注册
Docker Hub命令行常用操作
登录
命令：docker login
root@ubuntu:/home/boonya# docker login Username: boonyadocker Password: Email: boonya@sina.com WARNING: login credentials saved in /root/.dockercfg. Login Succeeded root@ubuntu:/home/boonya#
登出
命令：docker logout
root@ubuntu:/home/boonya# docker logout Remove login credentials for https://index.docker.io/v1/ root@ubuntu:/home/boonya#
Push镜像到仓库
命令：docker push id/tag
