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如何解决在centos中安装docker失败

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如何解决在centos中安装docker失败?

CentOS 安装 Docker报错信息:

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问题: package docker-ce-3:19.03.2-3.el7.x86_64 requires containerd.io >= 1.2.2-3, but none of the providers can be installed
- cannot install the best candidate for the job
- package containerd.io-1.2.2-3.3.el7.x86_64 is excluded
- package containerd.io-1.2.2-3.el7.x86_64 is excluded
- package containerd.io-1.2.4-3.1.el7.x86_64 is excluded
- package containerd.io-1.2.5-3.1.el7.x86_64 is excluded
- package containerd.io-1.2.6-3.3.el7.x86_64 is excluded
(try to add '--skip-broken' to skip uninstallable packages or '--nobest' to use not only best candidate packages)

  检查发现containerd.io此软件包已经安装,但版本是1.2.0;所以造成这种安装失败的原因是containerd.io软件包版本过低

解决方法:

  1.检查Docker版本,安装低版本,不进行安装新版本Docker(在此就不繁琐介绍低版本的安装过程了)

 [root@localhost ~]# yum list docker-ce --showduplicates | sort -r    //检查相应的软件包版本

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     [root@localhost ~]# yum -y install  docker-ce-18.06.0.ce-3.el7     //安装低版本的软件包 [object Object]

    2.安装新版的containerd.io软件包

containerd.io软件包下载地址:https://download.docker.com/linux/centos/7/x86_64/edge/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm
   [root@localhost ~]#wget https://download.docker.com/linux/centos/7/x86_64/edge/Packages/containerd.io-1.2.6-3.3.el7.x86_64.rpm    //下载相关软件包

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 [root@localhost ~]# yum -y install containerd.io-1.2.6-3.3.el7.x86_64.rpm    //升级containerd.io软件包

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  安装完成后重新安装Docker

   [root@localhost ~]# yum -y install docker-ce    //安装Docker软件包

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  安装完成后启动Docker

[root@localhost ~]# systemctl  start docker      //CentOS7启动方法
[root@localhost ~]#server  docker start        //CentOS6启动方法

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  查看状态后发现已经启动成功

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