项目场景：

ubuntu22.04.3安装docker报错：Package ‘docker-ce’ has no installation candidate

问题描述

Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
Package docker-ce is not available, but is referred to by another package.
This may mean that the package is missing, has been obsoleted, or
is only available from another source

E: Package 'docker-ce' has no installation candidate
E: Unable to locate package docker-ce-cli
E: Unable to locate package containerd.io
E: Couldn't find any package by glob 'containerd.io'
E: Couldn't find any package by regex 'containerd.io'
E: Unable to locate package docker-buildx-plugin
E: Unable to locate package docker-compose-plugin

解决方案：

#配置阿里云的gpg

 
#配置阿里云的docker镜像仓库
sudo add-apt-repository "deb [arch=amd64] https://mirrors.aliyun.com/docker-ce/linux/ubuntu $(lsb_release -cs) stable"
 
#执行安装命令
sudo apt-get install docker-ce docker-ce-cli containerd.io
 
#######如果上面方法还不行######
#再执行以下命令：
sudo apt-get upgrade
 
#然后再执行安装命令
sudo apt-get install docker-ce docker-ce-cli containerd.io