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本文小编为大家详细介绍“Ubuntu下如何安装Docker CE”，内容详细，步骤清晰，细节处理妥当，希望这篇“Ubuntu下如何安装Docker CE”文章能帮助大家解决疑惑，下面跟着小编的思路慢慢深入，一起来学习新知识吧。

安装依赖

关于docker ce版本在ubuntu下安装有如下限制

64位的os

需要ubuntu64bit的os, 确认方法如下

devops@ubuntu:~$uname-mx86_64devops@ubuntu:~$

版本

支持如下ubuntu的版本

artful 17.10

xenial 16.04 (lts)

trusty 14.04 (lts)

注意：其中artful 17.10只支持docker ce17.11 edge以及以后版本，因为artful本身也是在2017年10月发行的过渡版本

发行代码的确认方式，比如artful

devops@ubuntu:~$lsb_release-csartfuldevops@ubuntu:~$

硬件

ubuntu对docker ce的支持除了需要是64位的os之外，x86的cpu也是需要的。除了x86之外，还有如下的支持类型

armhf

s390x（ibm z）

ppc64le （ibm power）

devops@ubuntu:~$uname-mx86_64devops@ubuntu:~$

安装

apt-get update

使用apt-get update更新源中的软件列表

devops@ubuntu:~$sudosu[sudo]passwordfordevops:root@ubuntu:/home/devops#apt-getupdatehit:1http://cn.archive.ubuntu.com/ubuntuartfulinreleaseget:2http://cn.archive.ubuntu.com/ubuntuartful-updatesinrelease[78.6kb]hit:3http://cn.archive.ubuntu.com/ubuntuartful-backportsinreleaseget:4http://security.ubuntu.com/ubuntuartful-securityinrelease[78.6kb]get:5http://cn.archive.ubuntu.com/ubuntuartful-updates/maini386packages[212kb]get:6http://cn.archive.ubuntu.com/ubuntuartful-updates/mainamd64packages[216kb]get:7http://cn.archive.ubuntu.com/ubuntuartful-updates/universei386packages[89.0kb]get:8http://cn.archive.ubuntu.com/ubuntuartful-updates/universeamd64packages[89.9kb]fetched764kbin4s(163kb/s)readingpackagelists...doneroot@ubuntu:/home/devops#

安装所需的package

命令：apt-get install apt-transport-https ca-certificates curl software-properties-common

执行日志

root@ubuntu:/home/devops#apt-getinstallapt-transport-httpsca-certificatescurlsoftware-properties-commonreadingpackagelists...donebuildingdependencytreereadingstateinformation...doneca-certificatesisalreadythenewestversion(20170717).software-properties-commonisalreadythenewestversion(0.96.24.17).thefollowingadditionalpackageswillbeinstalled:libcurl3thefollowingnewpackageswillbeinstalled:apt-transport-httpsthefollowingpackageswillbeupgraded:curllibcurl32upgraded,1newlyinstalled,0toremoveand53notupgraded.needtoget383kbofarchives.afterthisoperation,247kbofadditionaldiskspacewillbeused.doyouwanttocontinue?[y/n]yget:1http://cn.archive.ubuntu.com/ubuntuartful-updates/mainamd64apt-transport-httpsamd641.5.1[34.7kb]get:2http://cn.archive.ubuntu.com/ubuntuartful-updates/mainamd64curlamd647.55.1-1ubuntu2.3[152kb]get:3http://cn.archive.ubuntu.com/ubuntuartful-updates/mainamd64libcurl3amd647.55.1-1ubuntu2.3[196kb]fetched383kbin14s(26.2kb/s)perl:warning:settinglocalefailed.perl:warning:pleasecheckthatyourlocalesettings:language="en_hk:en",lc_all=(unset),lc_ctype="utf-8",lang="en_hk.utf-8"aresupportedandinstalledonyoursystem.perl:warning:fallingbacktoafallbacklocale("en_hk.utf-8").locale:cannotsetlc_ctypetodefaultlocale:nosuchfileordirectorylocale:cannotsetlc_alltodefaultlocale:nosuchfileordirectoryselectingpreviouslyunselectedpackageapt-transport-https.(readingdatabase...63866filesanddirectoriescurrentlyinstalled.)preparingtounpack.../apt-transport-https_1.5.1_amd64.deb...unpackingapt-transport-https(1.5.1)...preparingtounpack.../curl_7.55.1-1ubuntu2.3_amd64.deb...unpackingcurl(7.55.1-1ubuntu2.3)over(7.55.1-1ubuntu2.2)...preparingtounpack.../libcurl3_7.55.1-1ubuntu2.3_amd64.deb...unpackinglibcurl3:amd64(7.55.1-1ubuntu2.3)over(7.55.1-1ubuntu2.2)...settingupapt-transport-https(1.5.1)...settinguplibcurl3:amd64(7.55.1-1ubuntu2.3)...processingtriggersforlibc-bin(2.26-0ubuntu2)...processingtriggersforman-db(2.7.6.1-2)...settingupcurl(7.55.1-1ubuntu2.3)...root@ubuntu:/home/devops#

添加gpg key

使用如下命令添加docker官方的gpg key，

命令：curl -fssl | sudo apt-key add -

执行日志

root@ubuntu:/home/devops#curl-fsslhttps://download.docker.com/linux/ubuntu/gpg|sudoapt-keyadd-okroot@ubuntu:/home/devops#

此key的数字签名为9dc8 5822 9fc7 dd38 854a e2d8 8d81 803c 0ebf cd88，所以可以用其最后8位进行确认

root@ubuntu:/home/devops#apt-keyfingerprint0ebfcd88pubrsa40962017-02-22[scea]9dc858229fc7dd38854ae2d88d81803c0ebfcd88uid[unknown]dockerrelease(cedeb)<docker@docker.com>subrsa40962017-02-22[s]root@ubuntu:/home/devops#

设定stable源仓库

使用如下命令设定x86安装类型的stable源仓库

命令：add-apt-repository “deb [arch=amd64] $(lsb_release -cs) stable”

如果是其他类型的化，对应关系参看如下，将上述命令中的arch=amd64进行替换即可

执行日志：

root@ubuntu:/home/devops#add-apt-repository"deb[arch=amd64]https://download.docker.com/linux/ubuntu$(lsb_release-cs)stable"root@ubuntu:/home/devops#

apt-get update

再次使用apt-get update更新源中的软件列表

root@ubuntu:/home/devops#apt-getupdatehit:1http://cn.archive.ubuntu.com/ubuntuartfulinreleaseget:2http://security.ubuntu.com/ubuntuartful-securityinrelease[78.6kb]get:3http://cn.archive.ubuntu.com/ubuntuartful-updatesinrelease[78.6kb]hit:4http://cn.archive.ubuntu.com/ubuntuartful-backportsinreleaseget:5https://download.docker.com/linux/ubuntuartfulinrelease[51.9kb]get:6https://download.docker.com/linux/ubuntuartful/stableamd64packages[1462b]fetched211kbin2s(85.8kb/s)readingpackagelists...doneroot@ubuntu:/home/devops#

安装docker-ce

root@ubuntu:/home/devops#apt-getinstalldocker-cereadingpackagelists...donebuildingdependencytreereadingstateinformation...donethefollowingadditionalpackageswillbeinstalled:aufs-toolscgroupfs-mountlibltdl7thefollowingnewpackageswillbeinstalled:aufs-toolscgroupfs-mountdocker-celibltdl70upgraded,4newlyinstalled,0toremoveand53notupgraded.needtoget29.9mbofarchives.afterthisoperation,150mbofadditionaldiskspacewillbeused.doyouwanttocontinue?[y/n]yget:1http://cn.archive.ubuntu.com/ubuntuartful-updates/universeamd64aufs-toolsamd641:4.1+20161219-1ubuntu0.1[102kb]get:2https://download.docker.com/linux/ubuntuartful/stableamd64docker-ceamd6417.12.1~ce-0~ubuntu[29.8mb]get:3http://cn.archive.ubuntu.com/ubuntuartful/universeamd64cgroupfs-mountall1.4[6320b]get:4http://cn.archive.ubuntu.com/ubuntuartful/mainamd64libltdl7amd642.4.6-2[38.8kb]fetched29.9mbin8s(3536kb/s)perl:warning:settinglocalefailed.perl:warning:pleasecheckthatyourlocalesettings:language="en_hk:en",lc_all=(unset),lc_ctype="utf-8",lang="en_hk.utf-8"aresupportedandinstalledonyoursystem.perl:warning:fallingbacktoafallbacklocale("en_hk.utf-8").locale:cannotsetlc_ctypetodefaultlocale:nosuchfileordirectorylocale:cannotsetlc_alltodefaultlocale:nosuchfileordirectoryselectingpreviouslyunselectedpackageaufs-tools.(readingdatabase...63874filesanddirectoriescurrentlyinstalled.)preparingtounpack.../aufs-tools_1%3a4.1+20161219-1ubuntu0.1_amd64.deb...unpackingaufs-tools(1:4.1+20161219-1ubuntu0.1)...selectingpreviouslyunselectedpackagecgroupfs-mount.preparingtounpack.../cgroupfs-mount_1.4_all.deb...unpackingcgroupfs-mount(1.4)...selectingpreviouslyunselectedpackagelibltdl7:amd64.preparingtounpack.../libltdl7_2.4.6-2_amd64.deb...unpackinglibltdl7:amd64(2.4.6-2)...selectingpreviouslyunselectedpackagedocker-ce.preparingtounpack.../docker-ce_17.12.1~ce-0~ubuntu_amd64.deb...unpackingdocker-ce(17.12.1~ce-0~ubuntu)...settingupaufs-tools(1:4.1+20161219-1ubuntu0.1)...processingtriggersforureadahead(0.100.0-20)...settingupcgroupfs-mount(1.4)...processingtriggersforlibc-bin(2.26-0ubuntu2)...processingtriggersforsystemd(234-2ubuntu12.1)...settinguplibltdl7:amd64(2.4.6-2)...processingtriggersforman-db(2.7.6.1-2)...settingupdocker-ce(17.12.1~ce-0~ubuntu)...createdsymlink/etc/systemd/system/multi-user.target.wants/docker.service→/lib/systemd/system/docker.service.createdsymlink/etc/systemd/system/sockets.target.wants/docker.socket→/lib/systemd/system/docker.socket.processingtriggersforureadahead(0.100.0-20)...processingtriggersforlibc-bin(2.26-0ubuntu2)...processingtriggersforsystemd(234-2ubuntu12.1)...root@ubuntu:/home/devops#

指定版本安装

如果希望指定版本方式安装，则在安装时需要指定docker-ce=17.12.1~ce-0~ubuntu版本方式即可

root@ubuntu:/home/devops#apt-cachemadisondocker-cedocker-ce|17.12.1~ce-0~ubuntu|https://download.docker.com/linux/ubuntuartful/stableamd64packagesdocker-ce|17.12.0~ce-0~ubuntu|https://download.docker.com/linux/ubuntuartful/stableamd64packagesroot@ubuntu:/home/devops#root@ubuntu:/home/devops#apt-getinstalldocker-ce=17.12.1~ce-0~ubuntureadingpackagelists...donebuildingdependencytreereadingstateinformation...donedocker-ceisalreadythenewestversion(17.12.1~ce-0~ubuntu).0upgraded,0newlyinstalled,0toremoveand53notupgraded.root@ubuntu:/home/devops#

安装后确认

版本确认

root@ubuntu:/home/devops#dockerversionclient:version:17.12.1-ceapiversion:1.35goversion:go1.9.4gitcommit:7390fc6built:tuefeb2722:17:532018os/arch:linux/amd64server:engine:version:17.12.1-ceapiversion:1.35(minimumversion1.12)goversion:go1.9.4gitcommit:7390fc6built:tuefeb2722:16:252018os/arch:linux/amd64experimental:falseroot@ubuntu:/home/devops#

整体信息

可以看出很多基本信息，比如存储方式为overlay2

root@ubuntu:/home/devops#dockerinfocontainers:0running:0paused:0stopped:0images:0serverversion:17.12.1-cestoragedriver:overlay2backingfilesystem:extfssupportsd_type:truenativeoverlaydiff:trueloggingdriver:json-filecgroupdriver:cgroupfsplugins:volume:localnetwork:bridgehostmacvlannulloverlaylog:awslogsfluentdgcplogsgelfjournaldjson-filelogentriessplunksyslogswarm:inactiveruntimes:runcdefaultruntime:runcinitbinary:docker-initcontainerdversion:9b55aab90508bd389d7654c4baf173a981477d55runcversion:9f9c96235cc97674e935002fc3d78361b696a69einitversion:949e6fasecurityoptions:apparmorseccompprofile:defaultkernelversion:4.13.0-21-genericoperatingsystem:ubuntu17.10ostype:linuxarchitecture:x86_64cpus:1totalmemory:988.7mibname:ubuntuid:tyya:4lwb:ytha:2dnb:xbxm:nfnp:admy:vzej:2zbn:kpkw:ptml:s5a2dockerrootdir:/var/lib/dockerdebugmode(client):falsedebugmode(server):falseregistry:https://index.docker.io/v1/labels:experimental:falseinsecureregistries:127.0.0.0/8liverestoreenabled:falsewarning:noswaplimitsupportroot@ubuntu:/home/devops#

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