There is a problem

[root@zh ~]# [root@zh ~]# [root@zh ~]# yum -y install Docker Last metadata expiration check: 0:08:25 ago, executed at 20:28:10 wed, 05 Aug 2020 Error: No match: docker [root@zh ~]#Copy the code

The solution

First test whether you can ping the Internet:

[root@zh ~]# [root@zh ~]# [root@zh ~]# [root@zh ~]# ping disk ping disk (115.29.223.128) 56(84) bytes 64 bytes from 115.29.223.128 (115.29.223.128): Icmp_seq =1 TTL =55 time=23.7 ms 64 bytes from 115.29.223.128 (115.29.223.128): Icmp_seq =2 TTL =55 time=23.6 ms 64 bytes from 115.29.223.128 (115.29.223.128): Icmp_seq =3 TTL =55 time=23.7 ms 64 bytes from 115.29.223.128 (115.29.223.128): Icmp_seq =4 TTL =55 time=23.6 ms ^C -- www.baodu.com ping statistics -- 4 packets transmitted, 4 received 0% packet loss, 8 ms time RTT min/avg/Max/mdev 23.700/0.024 = 23.637/23.660 / ms/root @ useful ~ #Copy the code

Yes.

Install the source:

Yum install https://download.docker.com/linux/fedora/30/x86_64/stable/Packages/containerd.io-1.2.6-3.3.fc30.x86_64.rpmCopy the code

Retest:

Yes.