Certbot can obtain and install HTTPS/TLS/SSL certificates. By default, it will attempt to use a webserver both for obtaining and installing the certificate. certbot: error: unrecognized arguments: -e vultr.rrgels.site

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certbot [SUBCOMMAND] [options] [-d DOMAIN] [-d DOMAIN] ...

Certbot can obtain and install HTTPS/TLS/SSL certificates. By default,
it will attempt to use a webserver both for obtaining and installing the
certificate.
certbot: error: unrecognized arguments: -e vultr.rrgels.site

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You've given us very little to go on, but from the error you posted, it looks like you passed an argument to certbot of -e vultr.rrgels.site. I don't believe -e is a valid argument to certbot; perhaps you meant to use -d vultr.rrgels.site?

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i just use this one. my domain name is vultr.rrgels.site

sudo /snap/bin/certbot --webroot -i nginx --agree-tos --hsts --staple-ocsp -d vultr.rrgels.site -e vultr.rrgels.site -w /usr/share/nginx/html/

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Where did you get that command from? And in particular, what told you to use -e vultr.rrgels.site? Because, as the error message is telling you, and as I told you in my post, that isn't a valid option to certbot.

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i tried to install v2ray to my server. and use this to obtain a free Let’s Encrypt certificate.

Install the latest version of Let’s Encrypt client certbot from the Snap store.

sudo apt install snapd sudo snap install certbot --classic

Then run the following command to obtain a free Let’s Encrypt certificate.

sudo /snap/bin/certbot --webroot -i nginx --agree-tos --hsts --staple-ocsp -d example.com -e you@example.com -w /usr/share/nginx/html/

Once it’s obtained, it will be automatically installed for your Nginx web server.

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These have to appear BEFORE the domain name(s) in that command:

"-e" is for an email address then.

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I did tried to put also my email. same error

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Email addresses contain an "@" symbol.
Try using quotes around the email address:
-m "myemail@address"
OR
--email "myemail@address"
image

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root@rrgels:~# sudo /snap/bin/certbot --webroot -i nginx --agree-tos --hsts --staple-ocsp -d vultr.rrgels.site -e gelicamerobin@gmail.com,mzrina01@gmail.com -w /usr/share/nginx/html/
usage:
certbot [SUBCOMMAND] [options] [-d DOMAIN] [-d DOMAIN] ...

Certbot can obtain and install HTTPS/TLS/SSL certificates. By default,
it will attempt to use a webserver both for obtaining and installing the
certificate.
certbot: error: unrecognized arguments: -e gelicamerobin@gmail.com,mzrina01@gmail.com

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-e

is incorrect, use:

-m

See: User Guide — Certbot 2.7.0.dev0 documentation (eff-certbot.readthedocs.io)

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-m it work. but another error appear

The Certificate Authority failed to download the temporary challenge files created by Certbot. Ensure that the listed domains serve their content from the provided --webroot-path/-w and that files created there can be downloaded from the internet.

Some challenges have failed.
Ask for help or search for solutions at https://community.letsencrypt.org. See the logfile /var/log/letsencrypt/letsencrypt.log or re-run Certbot with -v for more details.

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Please show this file:

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image
image1366×768 70.9 KB

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For --webroot method you need to have HTTP working to your domain. But, requests to that fail with a timeout. Any request fails, not just the Let's Encrypt HTTP challenge.

You need to get that working first before trying to get a cert

A try just for your home page also fails

curl -i -m10 http://vultr.rrgels.site
curl: (28) Connection timed out after 10000 milliseconds
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Ok, Thanks

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I still see it after the domain:
image

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