- 安装 Docker更新源 sudo apt-get update 出现错误
Hit:1 https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal InRelease
Hit:2 https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal-updates InRelease
Hit:3 https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal-backports InRelease
Hit:4 https://mirrors.tuna.tsinghua.edu.cn/ubuntu focal-security InRelease
Ign:5 https://download.docker.com/linux/ubuntu focal InRelease
Err:6 https://download.docker.com/linux/ubuntu focal Release
404 Not Found [IP: 13.227.60.113 443]
Reading package lists... Done
E: The repository 'https://download.docker.com/linux/ubuntu focal Release' does not have a Release file.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
解决方法：在 /etc/apt/source.list 文件中增加如下配置
deb [arch=amd64] https://download.docker.com/linux/ubuntu bionic stable
- 报错2：
Hit:1 http://mirrors.cloud.aliyuncs.com/ubuntu bionic InRelease
Hit:2 http://mirrors.cloud.aliyuncs.com/ubuntu bionic-updates InRelease
Get:3 http://mirrors.cloud.aliyuncs.com/ubuntu bionic-backports InRelease [74.6 kB]
Hit:4 http://mirrors.cloud.aliyuncs.com/ubuntu bionic-security InRelease
Get:5 https://download.docker.com/linux/ubuntu bionic InRelease [64.4 kB]
Err:5 https://download.docker.com/linux/ubuntu bionic InRelease
The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7EA0A9C3F273FCD8
Hit:6 https://deb.nodesource.com/node_14.x bionic InRelease
Reading package lists... Done
W: GPG error: https://download.docker.com/linux/ubuntu bionic InRelease: The following signatures couldn't be verified because the public key is not available: NO_PUBKEY 7EA0A9C3F273FCD8
E: The repository 'https://download.docker.com/linux/ubuntu bionic InRelease' is not signed.
N: Updating from such a repository can't be done securely, and is therefore disabled by default.
N: See apt-secure(8) manpage for repository creation and user configuration details.
运行此命令以添加正确的 key :
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
- 遇到端口打不开，在云服务器配置安全组
