1.查看docker原来的版本
# docker --version
Docker version 18.09.8, build 0dd43dd87f
2.安装20.10.12的版本
2.1安装yum-utils包(它提供了yum-config-manager实用程序)并设置稳定的存储库。
# sudo yum install -y yum-utils
Loaded plugins: fastestmirror
Repository 'kubernetes': Error parsing config: Error parsing "repo_gpgcheck = '0 # \xe8\xae\xbe\xe7\xbd\xae1\xe4\xbc\x9a\xe6\xa0\xa1\xe9\xaa\x8c\xe6\x8a\xa5\xe9\x94\x99'": invalid boolean value
Loading mirror speeds from cached hostfile
Resolving Dependencies
--> Running transaction check
---> Package yum-utils.noarch 0:1.1.31-53.el7 will be installed
--> Processing Dependency: python-kitchen for package: yum-utils-1.1.31-53.el7.noarch
--> Running transaction check
---> Package python-kitchen.noarch 0:1.1.1-5.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
=========================================================================================================================================================
Package Arch Version Repository Size
=========================================================================================================================================================
Installing:
yum-utils noarch 1.1.31-53.el7 ai-local 122 k
Installing for dependencies:
python-kitchen noarch 1.1.1-5.el7 ai-local 267 k
Transaction Summary
=========================================================================================================================================================
Install 1 Package (+1 Dependent package)
Total download size: 388 k
Installed size: 1.7 M
Downloading packages:
(1/2): yum-utils-1.1.31-53.el7.noarch.rpm | 122 kB 00:00:00
(2/2): python-kitchen-1.1.1-5.el7.noarch.rpm | 267 kB 00:00:00
---------------------------------------------------------------------------------------------------------------------------------------------------------
Total 969 kB/s | 388 kB 00:00:00
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : python-kitchen-1.1.1-5.el7.noarch 1/2
Installing : yum-utils-1.1.31-53.el7.noarch 2/2
Verifying : yum-utils-1.1.31-53.el7.noarch 1/2
Verifying : python-kitchen-1.1.1-5.el7.noarch