# Can't use certbot

**URL:** <https://community.letsencrypt.org/t/cant-use-certbot/170337>\
**Category:** Help\
**Created:** [January 24, 2022, 2:11pm UTC](https://community.letsencrypt.org/t/cant-use-certbot/170337 "2022-01-24T14:11:00Z")\
**Posts on this page:** 3\
**Page:** 1

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**Author:** ![Chionyor](https://sea3.discourse-cdn.com/letsencrypt/user_avatar/community.letsencrypt.org/chionyor/32/57708_2.png) [@Chionyor](https://community.letsencrypt.org/u/Chionyor)\
**Post date:** [January 24, 2022, 2:11pm UTC](https://community.letsencrypt.org/t/cant-use-certbot/170337/1 "2022-01-24T14:11:00Z")

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Please fill out the fields below so we can help you better. Note: you must provide your domain name to get help. Domain names for issued certificates are all made public in Certificate Transparency logs (e.g. [crt.sh | example.com](https://crt.sh/?q=example.com)), so withholding your domain name here does not increase secrecy, but only makes it harder for us to provide help.

My domain is: odoru.xyz

I ran this command: certbot --apache

It produced this output: Select the appropriate numbers separated by commas and/or spaces, or leave input  
blank to select all options shown (Enter 'c' to cancel):  
Obtaining a new certificate  
Performing the following challenges:  
http-01 challenge for odoru.xyz  
http-01 challenge for www.odoru.xyz  
Enabled Apache rewrite module  
Waiting for verification...  
Challenge failed for domain odoru.xyz  
Challenge failed for domain www.odoru.xyz  
http-01 challenge for odoru.xyz  
http-01 challenge for www.odoru.xyz  
Cleaning up challenges  
Some challenges have failed.

IMPORTANT NOTES:

- The following errors were reported by the server:

My web server is (include version): Apache 2.4.41

The operating system my web server runs on is (include version): Ubuntu 20.04

My hosting provider, if applicable, is: Raspberry Pi 3B+

I can login to a root shell on my machine (yes or no, or I don't know): Yes

I'm using a control panel to manage my site (no, or provide the name and version of the control panel): No

The version of my client is (e.g. output of `certbot --version` or `certbot-auto --version` if you're using Certbot): certbot 0.40.0

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**Author:** ![Osiris](https://avatars.discourse-cdn.com/v4/letter/o/839c29/32.png) [@Osiris](https://community.letsencrypt.org/u/Osiris)\
**Post date:** [January 24, 2022, 2:34pm UTC](https://community.letsencrypt.org/t/cant-use-certbot/170337/2 "2022-01-24T14:34:09Z")

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To use the `--apache` plugin, HTTP port 80 needs to be open to the world wide web. Please make sure any firewall and/or NAT router (if applicable) is properly configured.

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**Author:** ![system](https://global.discourse-cdn.com/letsencrypt/original/3X/c/a/ca6c06ea1ea201324bba7048c6841ce60236468d.png) [@system](https://community.letsencrypt.org/u/system)\
**Post date:** [February 23, 2022, 2:34pm UTC](https://community.letsencrypt.org/t/cant-use-certbot/170337/3 "2022-02-23T14:34:17Z")

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