【Docker安裝】詳細操做記錄
CentOS Docker 安裝
Docker支持如下的CentOS版本：html
CentOS 7 (64-bit) CentOS 6.5 (64-bit) 或更高的版本
版本要求linux
目前，CentOS 僅發行版本中的內核支持 Docker。 Docker 運行在 CentOS 7 上，要求系統爲64位、系統內核版本爲 3.10 以上。 Docker 運行在 CentOS-6.5 或更高的版本的 CentOS 上，要求系統爲64位、系統內核版本爲 2.6.32-431 或者更高版本。
查看操做系統版本nginx
[root@Optimus ~]# cat /etc/issue CentOS release 6.6 (Final) Kernel \r on an \m [root@Optimus ~]# cat /proc/version Linux version 2.6.32-504.el6.x86_64 (mockbuild@c6b9.bsys.dev.centos.org) (gcc version 4.4.7 20120313 (Red Hat 4.4.7-11) (GCC) ) #1 SMP Wed Oct 15 04:27:16 UTC 2014
安裝
教程參考：docker
Docker的安裝配置及使用詳解json
Centos docker安裝centos
安裝dockerbash
1. yum install -y epel-releas 2. yum install docker-io
[root@Optimus ~]# yum install docker-io Loaded plugins: fastestmirror, refresh-packagekit, security Setting up Install Process Loading mirror speeds from cached hostfile epel/metalink | 7.1 kB 00:00 * base: mirrors.btte.net * epel: ftp.riken.jp * extras: mirrors.btte.net * updates: mirrors.btte.net base | 3.7 kB 00:00 epel | 4.3 kB 00:00 epel/primary_db | 5.9 MB 00:40 extras | 3.4 kB 00:00 nginx | 2.9 kB 00:00 updates | 3.4 kB 00:00 updates/primary_db | 4.7 MB 00:26 Resolving Dependencies --> Running transaction check ---> Package docker-io.x86_64 0:1.7.1-2.el6 will be installed --> Processing Dependency: lxc for package: docker-io-1.7.1-2.el6.x86_64 --> Processing Dependency: libcgroup for package: docker-io-1.7.1-2.el6.x86_64 --> Running transaction check ---> Package libcgroup.x86_64 0:0.40.rc1-24.el6_9 will be installed ---> Package lxc.x86_64 0:1.0.10-2.el6 will be installed --> Processing Dependency: lua-lxc(x86-64) = 1.0.10-2.el6 for package: lxc-1.0.10-2.el6.x86_64 --> Processing Dependency: lua-alt-getopt for package: lxc-1.0.10-2.el6.x86_64 --> Processing Dependency: liblxc.so.1()(64bit) for package: lxc-1.0.10-2.el6.x86_64 --> Running transaction check ---> Package lua-alt-getopt.noarch 0:0.7.0-1.el6 will be installed ---> Package lua-lxc.x86_64 0:1.0.10-2.el6 will be installed --> Processing Dependency: lua-filesystem for package: lua-lxc-1.0.10-2.el6.x86_64 ---> Package lxc-libs.x86_64 0:1.0.10-2.el6 will be installed --> Running transaction check ---> Package lua-filesystem.x86_64 0:1.4.2-1.el6 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================================================================================================================================================================= Package Arch Version Repository Size ================================================================================================================================================================================================================================= Installing: docker-io x86_64 1.7.1-2.el6 epel 4.6 M Installing for dependencies: libcgroup x86_64 0.40.rc1-24.el6_9 updates 131 k lua-alt-getopt noarch 0.7.0-1.el6 epel 6.9 k lua-filesystem x86_64 1.4.2-1.el6 epel 24 k lua-lxc x86_64 1.0.10-2.el6 epel 16 k lxc x86_64 1.0.10-2.el6 epel 124 k lxc-libs x86_64 1.0.10-2.el6 epel 258 k Transaction Summary ================================================================================================================================================================================================================================= Install 7 Package(s) Total download size: 5.1 M Installed size: 20 M Is this ok [y/N]: y Downloading Packages: (1/7): docker-io-1.7.1-2.el6.x86_64.rpm | 4.6 MB 00:25 (2/7): libcgroup-0.40.rc1-24.el6_9.x86_64.rpm | 131 kB 00:00 (3/7): lua-alt-getopt-0.7.0-1.el6.noarch.rpm | 6.9 kB 00:00 (4/7): lua-filesystem-1.4.2-1.el6.x86_64.rpm | 24 kB 00:00 (5/7): lua-lxc-1.0.10-2.el6.x86_64.rpm | 16 kB 00:00 (6/7): lxc-1.0.10-2.el6.x86_64.rpm | 124 kB 00:00 (7/7): lxc-libs-1.0.10-2.el6.x86_64.rpm | 258 kB 00:01 --------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------------- Total 177 kB/s | 5.1 MB 00:29 warning: rpmts_HdrFromFdno: Header V3 RSA/SHA256 Signature, key ID 0608b895: NOKEY Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 Importing GPG key 0x0608B895: Userid : EPEL (6) <epel@fedoraproject.org> Package: epel-release-6-8.noarch (@extras) From : /etc/pki/rpm-gpg/RPM-GPG-KEY-EPEL-6 Is this ok [y/N]: y Running rpm_check_debug Running Transaction Test Transaction Test Succeeded Running Transaction Installing : lxc-libs-1.0.10-2.el6.x86_64 1/7 Installing : lua-filesystem-1.4.2-1.el6.x86_64 2/7 Installing : lua-lxc-1.0.10-2.el6.x86_64 3/7 Installing : lua-alt-getopt-0.7.0-1.el6.noarch 4/7 Installing : lxc-1.0.10-2.el6.x86_64 5/7 Installing : libcgroup-0.40.rc1-24.el6_9.x86_64 6/7 Installing : docker-io-1.7.1-2.el6.x86_64 7/7 Verifying : lua-lxc-1.0.10-2.el6.x86_64 1/7 Verifying : lxc-libs-1.0.10-2.el6.x86_64 2/7 Verifying : libcgroup-0.40.rc1-24.el6_9.x86_64 3/7 Verifying : lxc-1.0.10-2.el6.x86_64 4/7 Verifying : docker-io-1.7.1-2.el6.x86_64 5/7 Verifying : lua-alt-getopt-0.7.0-1.el6.noarch 6/7 Verifying : lua-filesystem-1.4.2-1.el6.x86_64 7/7 Installed: docker-io.x86_64 0:1.7.1-2.el6 Dependency Installed: libcgroup.x86_64 0:0.40.rc1-24.el6_9 lua-alt-getopt.noarch 0:0.7.0-1.el6 lua-filesystem.x86_64 0:1.4.2-1.el6 lua-lxc.x86_64 0:1.0.10-2.el6 lxc.x86_64 0:1.0.10-2.el6 lxc-libs.x86_64 0:1.0.10-2.el6 Complete!
加入開機啓動app
[root@Optimus ~]# chkconfig docker on
啓動dockeroop
[root@Optimus ~]# service docker start Starting cgconfig service: [ OK ] Starting docker: [ OK ]
查看docker版本ui
[root@Optimus ~]# docker version Client version: 1.7.1 Client API version: 1.19 Go version (client): go1.4.2 Git commit (client): 786b29d/1.7.1 OS/Arch (client): linux/amd64 Server version: 1.7.1 Server API version: 1.19 Go version (server): go1.4.2 Git commit (server): 786b29d/1.7.1 OS/Arch (server): linux/amd64
查看docker信息
[root@Optimus ~]# docker info Containers: 0 Images: 0 Storage Driver: devicemapper Pool Name: docker-8:1-67240264-pool Pool Blocksize: 65.54 kB Backing Filesystem: extfs Data file: /dev/loop0 Metadata file: /dev/loop1 Data Space Used: 305.7 MB Data Space Total: 107.4 GB Data Space Available: 107.1 GB Metadata Space Used: 733.2 kB Metadata Space Total: 2.147 GB Metadata Space Available: 2.147 GB Udev Sync Supported: true Deferred Removal Enabled: false Data loop file: /var/lib/docker/devicemapper/devicemapper/data Metadata loop file: /var/lib/docker/devicemapper/devicemapper/metadata Library Version: 1.02.89-RHEL6 (2014-09-01) Execution Driver: native-0.2 Logging Driver: json-file Kernel Version: 2.6.32-504.el6.x86_64 Operating System: <unknown> CPUs: 24 Total Memory: 15.52 GiB Name: Optimus ID: OKJW:54WI:244F:NBPA:ULP6:LTA3:TJ5T:4VNH:EALS:YGYJ:POLS:WIV5
下載centos鏡像
[root@Optimus ~]# docker pull centos latest: Pulling from centos 6c5159923047: Pull complete acec82331181: Pull complete 1c1b67b33c28: Pull complete Digest: sha256:57c91a43765de2147fa666a128477bc6101d6fda660feaaa5fbb1a8b110c934f Status: Downloaded newer image for centos:latest
查看鏡像
[root@Optimus ~]# docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE centos latest 1c1b67b33c28 5 weeks ago 196.6 MB
運行centos鏡像
[root@Optimus ~]# docker run -i -t centos /bin/bash [root@0d1f6225836b /]#
查找鏡像
[root@Optimus ~]# docker images REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE centos latest 1c1b67b33c28 5 weeks ago 196.6 MB [root@Optimus ~]# docker images -a REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE centos latest 1c1b67b33c28 5 weeks ago 196.6 MB <none> <none> 6c5159923047 5 weeks ago 196.6 MB <none> <none> acec82331181 5 weeks ago 196.6 MB
刪除鏡像：第一次刪除時顯示衝突，加-f強制刪除
[root@Optimus ~]# docker rmi 1c1b67b33c28 Error response from daemon: Conflict, cannot delete 1c1b67b33c28 because the container 0d1f6225836b is using it, use -f to force Error: failed to remove images: [1c1b67b33c28] [root@Optimus ~]# docker rmi -f 1c1b67b33c28 Untagged: centos:latest Deleted: 1c1b67b33c2810dcdbe70cf5ab186f1de50b138d06877e6b8421d5329a70beb1 Deleted: acec82331181312afa99df6a79e541ea819d64d32af6f4d3656897ce63d55f88 Deleted: 6c51599230478bde53cfcf5f4e7f68c2bf295102f31146c0bb6e9b814365c0e7 [root@Optimus ~]# docker images -a REPOSITORY TAG IMAGE ID CREATED VIRTUAL SIZE [root@Optimus ~]#
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