今天使用CentOS7安装docker的时候,安装失败,报错
# yum install docker
已加载插件:fastestmirror, langpacks
file:///media/cdrom/repodata/repomd.xml: [Errno 14] curl#37 - "Couldn't open file /media/cdrom/repodata/repomd.xml"
正在尝试其它镜像。
Loading mirror speeds from cached hostfile
没有可用软件包 docker。
错误:无须任何处理
解决:
- 进入“/etc/yum.repos.d”,删除“CentOS-Media.repo”
- 此时直接安装会报错,即没有“CentOS-Media.repo”时,使用yum出错
# yum install docker
已加载插件:fastestmirror, langpacks
Loading mirror speeds from cached hostfile
There are no enabled repos.
Run "yum repolist all" to see the repos you have.
To enable Red Hat Subscription Management repositories:
subscription-manager repos --enable <repo>
To enable custom repositories:
yum-config-manager --enable <repo>
-
重新导入”CentOS-Media.repo“
-
安装成功。(文末附CentOS-Media.repo内容)
# cd /etc/yum.repos.d
# rm -rf CentOS-Media.repo
# mv CentOS7-Base-163.repo CentOS-Base.repo
# yum install docker
CentOS-Base.repo正确内容,只要是repo后缀就可以了。
[]# vim CentOS-Base.repo
# CentOS-Base.repo
#
# The mirror system uses the connecting IP address of the client and the
# update status of each mirror to pick mirrors that are updated to and
# geographically close to the client. You should use this for CentOS updates
# unless you are manually picking other mirrors.
#
# If the mirrorlist= does not work for you, as a fall back you can try the
# remarked out baseurl= line instead.
#
#
[base]
name=CentOS-$releasever - Base - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=os
baseurl=http://mirrors.163.com/centos/$releasever/os/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#released updates
[updates]
name=CentOS-$releasever - Updates - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=updates
baseurl=http://mirrors.163.com/centos/$releasever/updates/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#additional packages that may be useful
[extras]
name=CentOS-$releasever - Extras - 163.com
#mirrorlist=http://mirrorlist.centos.org/?release=$releasever&arch=$basearch&repo=extras
baseurl=http://mirrors.163.com/centos/$releasever/extras/$basearch/
gpgcheck=1
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
#additional packages that extend functionality of existing packages
[centosplus]
name=CentOS-$releasever - Plus - 163.com
baseurl=http://mirrors.163.com/centos/$releasever/centosplus/$basearch/
gpgcheck=1
enabled=0
gpgkey=http://mirrors.163.com/centos/RPM-GPG-KEY-CentOS-7
或到http://mirrors.163.com/.help/centos.html下载对应版本的repo文件。