[ivan]

hi,
i am trying to install nginx on a clean ubuntu 22.04 distribution but i get the following error:

`
sudo apt install nginx-full
Reading package lists… Done
Building dependency tree… Done
Reading state information… Done
Suggested packages:
nginx-doc
The following NEW packages will be installed:
nginx-full
0 upgraded, 1 newly installed, 0 to remove and 0 not upgraded.
1 not fully installed or removed.
Need to get 0 B/35.1 kB of archives.
After this operation, 47.1 kB of additional disk space will be used.
Selecting previously unselected package nginx-full.
(Reading database … 102523 files and directories currently installed.)
Preparing to unpack …/nginx-full_1.23.1-3myguard42~jammy_all.deb …
Unpacking nginx-full (1.23.1-3myguard42~jammy) …
Setting up nginx-core (1.23.1-3myguard42~jammy) …
Job for nginx.service failed because the control process exited with error code.
See “systemctl status nginx.service” and “journalctl -xeu nginx.service” for details.
invoke-rc.d: initscript nginx, action “start” failed.
× nginx.service – A high performance web server and a reverse proxy server
Loaded: loaded (/lib/systemd/system/nginx.service; enabled; vendor preset: enabled)
Active: failed (Result: exit-code) since Fri 2022-09-23 14:33:29 CEST; 7ms ago
Docs: man:nginx(8)
Process: 2856 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE)
CPU: 26ms

Sep 23 14:33:29 vmi1019973.contaboserver.net systemd[1]: Starting A high performance web server and a reverse proxy server…
Sep 23 14:33:29 vmi1019973.contaboserver.net nginx[2856]: nginx: [emerg] dlopen() “/usr/share/nginx/modules/ngx_http_ssl_ct_module.so” failed (/usr/share/nginx/modules/ngx_http_ssl_ct_module.so: undefined symbol: ngx_ssl_ct_create_srv_conf) in /etc/nginx/modules-enabled/50-mod-http-ssl-ct.conf:1
Sep 23 14:33:29 vmi1019973.contaboserver.net nginx[2856]: nginx: configuration file /etc/nginx/nginx.conf test failed
Sep 23 14:33:29 vmi1019973.contaboserver.net systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE
Sep 23 14:33:29 vmi1019973.contaboserver.net systemd[1]: nginx.service: Failed with result ‘exit-code’.
Sep 23 14:33:29 vmi1019973.contaboserver.net systemd[1]: Failed to start A high performance web server and a reverse proxy server.
dpkg: error processing package nginx-core (–configure):
installed nginx-core package post-installation script subprocess returned error exit status 1
dpkg: dependency problems prevent configuration of nginx-full:
nginx-full depends on nginx-core (>= 1.23.1-3myguard42~jammy); however:
Package nginx-core is not configured yet.
nginx-full depends on nginx-core (<< 1.23.1-3myguard42~jammy.1~); however:
Package nginx-core is not configured yet.

dpkg: error processing package nginx-full (–configure):
dependency problems – leaving unconfigured
Errors were encountered while processing:
nginx-core
nginx-full
E: Sub-process /usr/bin/dpkg returned an error code (1)

`

[ivan]

nginx -t
nginx: [emerg] dlopen() “/usr/share/nginx/modules/ngx_http_ssl_ct_module.so” failed (/usr/share/nginx/modules/ngx_http_ssl_ct_module.so: undefined symbol: ngx_ssl_ct_create_srv_conf) in /etc/nginx/modules-enabled/50-mod-http-ssl-ct.conf:1
nginx: configuration file /etc/nginx/nginx.conf test failed

[ivan]

I momentarily solved it like this:

$ ls | grep ct
50-mod-http-ssl-ct.conf
50-mod-ssl-ct.conf
50-mod-stream-ssl-ct.conf

$ mv *-ct.conf ../modules-available/
sudo service nginx reload

nginx -t
nginx: [warn] could not build optimal variables_hash, you should increase either variables_hash_max_size: 1024 or variables_hash_bucket_size: 64; ignoring variables_hash_bucket_size
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

[Thijs Eilander]

You need to load mod_ssl_ct before mod_http_ssl_ct

Something like this:

root@b8ab3399ba7b:/etc/nginx/modules-enabled# ls *ssl*
10-mod-ssl-ct.conf 50-mod-http-ssl-ct.conf

root@b8ab3399ba7b:/etc/nginx/modules-enabled# nginx -t
nginx: the configuration file /etc/nginx/nginx.conf syntax is ok
nginx: configuration file /etc/nginx/nginx.conf test is successful

[Author]

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