markdown Certbot在网站上启用https

Posted 2021-05-06

### Use certbot

1. Go to [CertBot](https://certbot.eff.org)
2. Install:
```bash
$ sudo apt-get update
$ sudo apt-get install software-properties-common
$ sudo add-apt-repository ppa:certbot/certbot
$ sudo apt-get update
$ sudo apt-get install python-certbot-nginx 
```
3. Get Started:
```bash
$ sudo certbot --nginx
```
4. Follow configuration
5. Renew Certification.
```bash
$ sudo certbot renew --dry-run
```