Docker安装失败（CentOs上）亲测可用

最新推荐文章于 2025-03-13 10:30:43 发布

cyw_god

最新推荐文章于 2025-03-13 10:30:43 发布

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分类专栏： linux 文章标签： docker centos linux yum

本文链接：https://blog.youkuaiyun.com/cyw_god/article/details/118293492

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给公司的新电脑配置环境，安装完CentOs后，一直装不上docker

报错如下：

base                                                                                                                                                                  | 3.6 kB  00:00:00     
docker-ce-stable                                                                                                                                                      | 3.5 kB  00:00:00     
https://yum.dockerproject.org/repo/main/centos/7/repodata/repomd.xml: [Errno 14] curl#60 - "Issuer certificate is invalid."
Trying other mirror.
It was impossible to connect to the CentOS servers.
This could mean a connectivity issue in your environment, such as the requirement to configure a proxy,
or a transparent proxy that tampers with TLS security, or an incorrect system clock.
You can try to solve this issue by using the instructions on https://wiki.centos.org/yum-errors
If above article doesn't help to resolve this issue please use https://bugs.centos.org/.



 One of the configured repositories failed (Docker Repository),
 and yum doesn't have enough cached data to continue. At this point the only
 safe thing yum can do is fail. There are a few ways to work "fix" this:

     1. Contact the upstream for the repository and get them to fix the problem.

     2. Reconfigure the baseurl/etc. for the repository, to point to a working
        upstream. This is most often useful if you are using a newer
        distribution release than is supported by the repository (and the
        packages for the previous distribution release still work).

     3. Run the command with the repository temporarily disabled
            yum --disablerepo=dockerrepo ...

     4. Disable the repository permanently, so yum won't use it by default. Yum
        will then just ignore the repository until you permanently enable it
        again or use --enablerepo for temporary usage:

            yum-config-manager --disable dockerrepo
        or
            subscription-manager repos --disable=dockerrepo

     5. Configure the failing repository to be skipped, if

一开始以为是网不好，就下在国内的镜像，但是还是不行。
后面发现“ yum doesn’t have enough cached data to continue”，按着这个找果然找到解决方法：如下

//备份
mv /etc/yum.repos.d /etc/yum.repos.d.bak

//创建源目录
mkdir /etc/yum.repos.d

//下载阿里云yum配置
wget -0 /etc/yum.repos.d/CentOS-Base.repo http://mirrors.aliyun.com/repo/Centos-7.repo

//清理缓存
yum clean all

//建缓存
yum makecache

//执行，无报错继续往下
yum update

//更新索引
yum makecache fast

//按着docker社区，企业版
yum install docker-ce docker ce-cli containerd.io

//启动docker
systemctl start docker 

//查看镜像
docker images