Hi All, Have a nice day! My domain is: av.gds.vn I ran this command: certbot renew and certbot --apache -d av.gds.vn It shows the following error: Error while running apachectl configtest. AH00534: httpd: Configuration error: No MPM loaded. Please help me to check it :slight_smile: Thanks an…

I'm preeeetty sure (99 % sure) that a "No MPM loaded" error doesn't have anything to do with Let's Encrypt.

Hi rg305, The result doesn't show anything with "sudo apachectl -S" I still renew certificate normally since September 16. Port 80 still opening. [root@av ~]# firewall-cmd --zone=public --add-port=80/tcp --permanent Warning: ALREADY_ENABLED: 80:tcp success

Hi Osiris, Thanks for your help. Do you know the cause? :frowning:

[image] DucTM: Port 80 still opening. curl -v http://av.gds.vn/ * Trying 113.52.35.27... * TCP_NODELAY set * connect to 113.52.35.27 port 80 failed: Connection refused * Failed to connect to av.gds.vn port 80: Connection refused * Closing connection 0 curl: (7) Failed to connect to av.gds.v…

Please show all outputs: sudo apachectl -S find / -name apachectl which apache2 apache2 -version

I suspect this is a CentOS 7 or RHEL server, so this might work instead: httpd -S [image] DucTM: AH00534: httpd: Configuration error: No MPM loaded. Does the file /etc/httpd/conf.modules.d/00-mpm.conf exist? Is one of the LoadModule lines in it uncommented?

[image] rg305: which apache2 Hi rg305, _az In fact my server uses 2 versions of apache: Apache service I installed. My software has its own httpd (apache) service. I deleted the apache1 in recent installation. So the certbot standard renewal procedure may not work.

[image] _az: /etc/httpd/conf.modules.d/00-mpm.conf [root@av ~]# vi /etc/httpd/conf.modules.d/00-mpm.conf # Select the MPM module which should be used by uncommenting exactly # one of the following LoadModule lines: # prefork MPM: Implements a non-threaded, pre-forking web server # See: http:…

The MPM message is not the problem that is breaking your renewal. Apache was running on port 443 only. [now both 80 and 443 are not responding] curl -v http://av.gds.vn/ * Trying 113.52.35.27... * TCP_NODELAY set * connect to 113.52.35.27 port 80 failed: Connection refused * Failed to connect t…

[image] DucTM: In fact my server uses 2 versions of apache: Yes, this is probably the issue. Certbot's --apache plugin is designed only to work with the standard Apache installation that comes with your Linux distribution. If you are using an externally built/installed Apache deployment, th…

AH00534: httpd: Configuration error: No MPM loaded

Help

_az December 22, 2020, 7:09am 10

I suspect this is a CentOS 7 or RHEL server, so this might work instead:

httpd -S

Does the file /etc/httpd/conf.modules.d/00-mpm.conf exist?

Is one of the LoadModule lines in it uncommented?

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AH00534: httpd: Configuration error: No MPM loaded

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