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centos8安装原生docker-创新互联

近期，学习docker的用法，想在实际机器上练习一下，于是安装了centos最新版本（centos8），结果发现在centos8上必须使用podman进行容器操作，于是我的本意是学习原生docker用法，所以，就删除了podman，然后安装原生docker支持。本文记录一下操作步骤，以备今后参考。centos8安装原生docke r

第一步、删除系统自带的podman相关的软件包。

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          rpm -e podman*

   第二步、重启系统

          init 6

   第三步、参考网友安装步骤，https://www.cnblogs.com/ding2016/p/11592999.html 感谢网友分享。按照下面的步骤实测可以正常安装docker.

1. 下载docker-ce的repo

curl https://download.docker.com/linux/centos/docker-ce.repo -o /etc/yum.repos.d/docker-ce.repo

2. 安装依赖（这是相比centos7的关键步骤）

yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpm

3. 安装docker-ce

yum install docker-ce

4. 启动docker

systemctl start docker

   第四步、查看docker Info信息

[zhou@localhost ~]$ sudo systemctl start docker
[zhou@localhost ~]$ sudo docker info
Client:
Debug Mode: false

Server:
Containers: 0
Running: 0
Paused: 0
Stopped: 0
Images: 0
Server Version: 19.03.5
Storage Driver: overlay2
Backing Filesystem: xfs
Supports d_type: true
Native Overlay Diff: true
Logging Driver: json-file
Cgroup Driver: cgroupfs
Plugins:
Volume: local
Network: bridge host ipvlan macvlan null overlay
Log: awslogs fluentd gcplogs gelf journald json-file local logentries splunk syslog
Swarm: inactive
Runtimes: runc
Default Runtime: runc
Init Binary: docker-init
containerd version: 894b81a4b802e4eb2a91d1ce216b8817763c29fb
runc version: 425e105d5a03fabd737a126ad93d62a9eeede87f
init version: fec3683
Security Options:
seccomp
Profile: default
Kernel Version: 4.18.0-147.3.1.el8_1.x86_64
Operating System: CentOS Linux 8 (Core)
OSType: linux
Architecture: x86_64
CPUs: 2
Total Memory: 1.787GiB
Name: localhost.localdomain
ID: VRF5:EY5I:52P2:PSJD:UALD:X2UO:XT3Y:N625:IEA4:VVHG:4U4X:NG3A
Docker Root Dir: /var/lib/docker
Debug Mode: false
Registry: https://index.docker.io/v1/
Labels:
Experimental: false
Insecure Registries:
127.0.0.0/8
Live Restore Enabled: false

第五步、查看docker 守护进程的版本

[zhou@localhost ~]$ sudo docker version
Client: Docker Engine - Community
Version: 19.03.5
API version: 1.40
Go version: go1.12.12
Git commit: 633a0ea
Built: Wed Nov 13 07:25:41 2019
OS/Arch: linux/amd64
Experimental: false

Server: Docker Engine - Community
Engine:
Version: 19.03.5
API version: 1.40 (minimum version 1.12)
Go version: go1.12.12
Git commit: 633a0ea
Built: Wed Nov 13 07:24:18 2019
OS/Arch: linux/amd64
Experimental: false
containerd:
Version: 1.2.6
GitCommit: 894b81a4b802e4eb2a91d1ce216b8817763c29fb
runc:
Version: 1.0.0-rc8
GitCommit: 425e105d5a03fabd737a126ad93d62a9eeede87f
docker-init:
Version: 0.18.0
GitCommit: fec3683
[zhou@localhost ~]$


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