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Ubuntu下安裝docker-ce具體步驟
Docker-ce是為了開發(fā)人員或小團隊創(chuàng)建基于容器的應(yīng)用,與團隊成員分享和自動化的開發(fā)管道。docker-ce提供了簡單的安裝和快速的安裝，以便可以立即開始開發(fā)。docker-ce集成和優(yōu)化，基礎(chǔ)設(shè)施，下面為大家分享一下Ubuntu下安裝docker-ce具體步驟。
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實驗環(huán)境
操作系統(tǒng)：Ubuntu 18.04.4 LTS
LAN IP ：192.168.3.22
Docker是現(xiàn)代軟件開發(fā)和DevOps持續(xù)集成和部署管道中不可或缺的一部分,大部分公司都使用容器化技術(shù)，降低服務(wù)器成本。
安裝必要的系統(tǒng)資源庫
root@linuxcool:~# apt-get update
root@linuxcool:~# apt-get -y install apt-transport-https ca-certificates curl software-properties-common
安裝GPG證書
root@linuxcool:~# curl -fsSL https://mirrors.nwafu.edu.cn/docker-ce/linux/ubuntu/gpg | apt-key add -
Docker服務(wù)器在國外，如果使用docker.io來安裝docker會非常慢，有時候還會超時斷開導(dǎo)致無法安裝成功；所以，我這里使用的是國內(nèi)“西北農(nóng)林科技大學(xué)網(wǎng)絡(luò)與教育技術(shù)中心”鏡像加速，國內(nèi)還有很多鏡像加速站點，比如：阿里云、騰訊云、網(wǎng)易、清華大學(xué)等，
更新系統(tǒng)并安裝Docker-CE
root@linuxcool:~# apt-get -y update
root@linuxcool:~# apt-get -y install docker-ce
通過以上命令安裝的是docker最新版本，如果要安裝docker，請繼續(xù)閱讀下文，
查找Docker-CE的版本
apt-cache madison docker-ce
docker-ce | 5:19.03.8~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.7~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.6~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.5~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.4~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.3~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.2~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.1~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:19.03.0~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.9~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.8~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.7~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.6~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.5~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.4~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.3~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.2~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.1~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 5:18.09.0~3-0~ubuntu-bionic | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 18.06.3~ce~3-0~ubuntu | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 18.06.2~ce~3-0~ubuntu | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 18.06.1~ce~3-0~ubuntu | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 18.06.0~ce~3-0~ubuntu | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
docker-ce | 18.03.1~ce~3-0~ubuntu | https://mirrors.aliyun.com/docker-ce/linux/ubuntu bionic/stable amd64 Packages
安裝指定版本的Docker-CE，比如要安裝19.03.8~3-0~ubuntu-bionic
root@linuxcool:~# apt-get -y install docker-ce=19.03.8~3-0~ubuntu-bionic
安裝校驗
root@linuxcool:~# docker version
Client: Docker Engine - Community
Version: 19.03.8
API version: 1.40
Go version: go1.12.17
Git commit: afacb8b7f0
Built: Wed Mar 11 01:25:46 2020
OS/Arch: linux/amd64
Experimental: false
Server: Docker Engine - Community
Engine:
Version: 19.03.8
API version: 1.40 (minimum version 1.12)
Go version: go1.12.17
Git commit: afacb8b7f0
Built: Wed Mar 11 01:24:19 2020
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.2.13
GitCommit: 7ad184331fa3e55e52b890ea95e65ba581ae3429
runc:
Version: 1.0.0-rc10
GitCommit: dc9208a3303feef5b3839f4323d9beb36df0a9dd
docker-init:
Version: 0.18.0
GitCommit: fec3683
配置鏡像加速
創(chuàng)建daemon.json配置文件
root@linuxcool:~# vim /etc/docker/daemon.json
{
"registry-mirrors": ["https://dockerhub.mirrors.nwafu.edu.cn/"]
}
默認daemon.json文件不存在，如果daemon.json文件不存在，自己創(chuàng)建
加載配置，重啟docker服務(wù)
root@linuxcool:~# systemctl daemon-reload
root@linuxcool:~# systemctl restart docker
驗證鏡像加速是否配置生效
root@linuxcool:~# docker infoClient:Debug Mode: falseServer:Containers: 0 Running: 0 Paused: 0 Stopped: 0Images: 0Server Version: 19.03.8Storage Driver: overlay2 Backing Filesystem: Supports d_type: true Native Overlay Diff: trueLogging Driver: json-fileCgroup Driver: cgroupfsPlugins: Volume: local Network: bridge host ipvlan macvlan null overlay Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslogSwarm: inactiveRuntimes: runcDefault Runtime: runcInit Binary: docker-initcontainerd version: 7ad184331fa3e55e52b890ea95e65ba581ae3429runc version: dc9208a3303feef5b3839f4323d9beb36df0a9ddinit version: fec3683Security Options: apparmor seccomp Profile: defaultKernel Version: 5.3.0-51-genericOperating System: Ubuntu 18.04.4 LTSOSType: linuxArchitecture: x86_64CPUs: 8Total Memory: 15.64GiBName: linuxcoolID: K252:G32L:GWWN:J5FE:3MFZ:2ITG:UE7Y:Y26F:QT3Q:2PLS:HCUX:PJYZDocker Root Dir: /var/lib/dockerDebug Mode: falseRegistry: https://index.docker.io/v1/Labels:Experimental: falseInsecure Registries: 127.0.0.0/8Registry Mirrors: https://dockerhub.mirrors.nwafu.edu.cn/Live Restore Enabled: falseWARNING: No swap limit support
Registry Mirrors默認是docker.io，如果看到Registry Mirrors變https://dockerhub.mirrors.nwafu.edu.cn說明配置已經(jīng)生效。
docker服務(wù)管理
#自啟服務(wù)
root@linuxcool:~# systemctl enable docker.service
#服務(wù)狀態(tài)
root@linuxcool:~# systemctl status docker.service
#啟動服務(wù)
root@linuxcool:~# systemctl start docker.service
#重啟服務(wù)
root@linuxcool:~# systemctl restart docker.service
#停止服務(wù)
root@linuxcool:~# systemctl stop docker.service
拉取鏡像
root@linuxcool:~# docker pull centos:8.1.1911
8.1.1911: Pulling from library/centos
8a29a15cefae: Pull complete
Digest: sha256:fe8d824220415eed5477b63addf40fb06c3b049404242b31982106ac204f6700
Status: Downloaded newer image for centos:8.1.1911
docker.io/library/centos:8.1.1911
名稱欄目：Ubuntu下安裝docker-ce具體步驟
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