1. 将需要生成SSL证书的域名解析到它對應的IP地址
2. 检查防火墙的设置80Please respect copyright.ＰＥＮＡＮＡeNpytog4Iw
首先查看防火墙的状态：80Please respect copyright.ＰＥＮＡＮＡrfN5gMEgnd
# ufw status80Please respect copyright.ＰＥＮＡＮＡyRvGAIdQ63
如果防火墙开启了，要开放80端口用于certbot验证80Please respect copyright.ＰＥＮＡＮＡb5JET1DUyW
# ufw allow 8080Please respect copyright.ＰＥＮＡＮＡYVaaewdmfF
# ufw allow 443
3 安装certbot: 80Please respect copyright.ＰＥＮＡＮＡd238ay9T3t
# apt install certbot
4. 生成证书：80Please respect copyright.ＰＥＮＡＮＡrSsa2qdOt1
# certbot certonly80Please respect copyright.ＰＥＮＡＮＡhbxMuHpOO8
选择authenticate时，如果服务上有apache或其它网站服务器在80端口运行，选择2使用已有的网站服务器验证；否则选1让certbot创建一个临时的网站来验证。80Please respect copyright.ＰＥＮＡＮＡp1pazwg2ym
输入email: jinmin.si@outlook.com80Please respect copyright.ＰＥＮＡＮＡWuqMrdWoIg
域名：idealand.xyz
5. 证书生成成功，位于 /etc/letsencrypt/live/idealand.xyz/80Please respect copyright.ＰＥＮＡＮＡsehny7KClQ
fullchain.pem为公钥，privkey.pem为私钥
6. 如果运行certbot的过程中断线，再次运行前需要结束之前的进程80Please respect copyright.ＰＥＮＡＮＡaL8wE6hkjs
# ps -aux | grep certbot80Please respect copyright.ＰＥＮＡＮＡi9uVGObycf
# kill 进程号（第二列的数字）
本文参考资料：80Please respect copyright.ＰＥＮＡＮＡFyhN3h8tbz
https://blog.csdn.net/skyyemperor/article/details/11342414880Please respect copyright.ＰＥＮＡＮＡsDreUzLmd3
https://zhuanlan.zhihu.com/p/571124400
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