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49.4. 证书更新

证书到期之后需要更新

		
root@iZ6we2qd9sralbm45a85ebZ:~# certbot certonly -d *.netkiller.cn --manual --preferred-challenges dns
Saving debug log to /var/log/letsencrypt/letsencrypt.log
Plugins selected: Authenticator manual, Installer None
Obtaining a new certificate
Performing the following challenges:
dns-01 challenge for netkiller.cn

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NOTE: The IP of this machine will be publicly logged as having requested this
certificate. If you're running certbot in manual mode on a machine that is not
your server, please ensure you're okay with that.

Are you OK with your IP being logged?
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(Y)es/(N)o: Y

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Please deploy a DNS TXT record under the name
_acme-challenge.netkiller.cn with the following value:

YzX9BAX-mRvnE46ml2q_Cm4aiUvcrOhbLp-i4o1BR7s

Before continuing, verify the record is deployed.
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Press Enter to Continue
Waiting for verification...
Cleaning up challenges

IMPORTANT NOTES:
 - Congratulations! Your certificate and chain have been saved at:
   /etc/letsencrypt/live/netkiller.cn/fullchain.pem
   Your key file has been saved at:
   /etc/letsencrypt/live/netkiller.cn/privkey.pem
   Your cert will expire on 2024-02-04. To obtain a new or tweaked
   version of this certificate in the future, simply run certbot
   again. To non-interactively renew *all* of your certificates, run
   "certbot renew"
 - If you like Certbot, please consider supporting our work by:

   Donating to ISRG / Let's Encrypt:   https://letsencrypt.org/donate
   Donating to EFF:                    https://eff.org/donate-le

root@iZ6we2qd9sralbm45a85ebZ:~# ls /etc/letsencrypt/live/netkiller.cn/
cert.pem  chain.pem  fullchain.pem  privkey.pem  README