Certbot
certbot
[1] is a fully-featured, extensible client for the Let’s Encrypt CA (or any other CA that speaks the ACME protocol defined in 2015-2016) that can automate the tasks of obtaining certificates and configuring webservers to use them. This client runs on Unix-based operating systems.
Installation
- Ubuntu:
apt install certbot
- macOS:
brew install certbot
You can additionally install certbot plugins:
python3-certbot-apache python3-certbot-dns-cloudflare python3-certbot-dns-digitalocean python3-certbot-dns-dnsimple python3-certbot-dns-google python3-certbot-dns-rfc2136 python3-certbot-dns-route53 python3-certbot-nginx
Ubuntu files
- Binaries:
certbot
andletscrypt
- Configuration files:
/etc/letsencrypt
/etc/letsencrypt/renewal/
- Renewals configuration:
/etc/cron.d/certbot
- Logs:
/var/log/letsencrypt/letsencrypt.log
Examples
certbot -d YOUR_DOMAIN_NAME.com --manual --preferred-challenges dns certonly
certbot -d *.YOUR_DOMAIN_NAME.com --manual --preferred-challenges dns certonly
Request a certificate
- Stop your webserver:
systemctl stop nginx
certbot certonly --standalone --preferred-challenges http -d YOUR_DOMAIN_NAME.com
Client with the currently selected authenticator does not support any combination of challenges that will satisfy the CA. You may need to use an authenticator plugin that can do challenges over DNS.
certbot certonly --standalone --agree-tos --preferred-challenges dns -d *.YOUR_DOMAIN_NAME.com
(You will be asked for information)
None of the preferred challenges are supported by the selected plugin
ssl_certificate /etc/letsencrypt/live/www.example.com/fullchain.pem;
ssl_certificate_key /etc/letsencrypt/live/www.example.com/privkey.pem;
openssl x509 -text -noout -in cert.pem
certbot certonly --standalone
certbot --nginx Saving debug log to /var/log/letsencrypt/letsencrypt.log The requested nginx plugin does not appear to be installed
certbot delete --cert-name YOUR_CERT_NAME Saving debug log to /var/log/letsencrypt/letsencrypt.log - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - Deleted all files relating to certificate YOUR_CERT_NAME. - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - - -
- Changing a Certificdate's Domain[2]:
certbot certonly --cert-name example.com -d example.org,www.example.org
- Automated renewals:
systemctl list-timers
Activities
- Read
certbot
certbot changelog: https://github.com/certbot/certbot/blob/master/certbot/CHANGELOG.md certbot renew
See also
- Certbot, Let's Encrypt:
certbot (command)
, plugins, OCSP,certbot certificates
,certbot renew
(examples),/var/log/letsencrypt/letsencrypt.log
, Certificate Checker, Certbot changelog,certbot --help
,/etc/letsencrypt/
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