ansible-playbook fatal: [localhost]: FAILED! => {"changed": false, "msg": "Unable to start service nginx: Job for nginx.service failed because the control process exited with error code.

 

Issue

ansible-playbook demo_playbook.yml -i demo_ansible.ini --user=user-name --extra-vars "ansible_sudo_pass=password"

PLAY [This demo playbook] *******************************************************************************************************************************************************************

TASK [Gathering Facts] **********************************************************************************************************************************************************************

ok: [localhost]

TASK [This is to install nginx software] ****************************************************************************************************************************************************

changed: [localhost]

TASK [This is restart the nginx service] ****************************************************************************************************************************************************

fatal: [localhost]: FAILED! => {"changed": false, "msg": "Unable to start service nginx: Job for nginx.service failed because the control process exited with error code.\nSee \"systemctl status nginx.service\" and \"journalctl -xe\" for details.\n"}

PLAY RECAP **********************************************************************************************************************************************************************************

localhost                  : ok=2    changed=1    unreachable=0    failed=1    skipped=0    rescued=0    ignored=0

systemctl status nginx.service

● 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 Sun 2022-03-13 05:03:15 PDT; 2min 13s ago

       Docs: man:nginx(8)

    Process: 9296 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=0/SUCCESS)

    Process: 9297 ExecStart=/usr/sbin/nginx -g daemon on; master_process on; (code=exited, status=1/FAILURE)

Mar 13 05:03:13 ubuntu nginx[9297]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

Mar 13 05:03:13 ubuntu nginx[9297]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

Mar 13 05:03:14 ubuntu nginx[9297]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

Mar 13 05:03:14 ubuntu nginx[9297]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

Mar 13 05:03:14 ubuntu nginx[9297]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)

Mar 13 05:03:14 ubuntu nginx[9297]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)

Mar 13 05:03:15 ubuntu nginx[9297]: nginx: [emerg] still could not bind()

Mar 13 05:03:15 ubuntu systemd[1]: nginx.service: Control process exited, code=exited, status=1/FAILURE

Mar 13 05:03:15 ubuntu systemd[1]: nginx.service: Failed with result 'exit-code'.

Mar 13 05:03:15 ubuntu systemd[1]: Failed to start A high performance web server and a reverse proxy server.

cat /var/log/nginx/error.log

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to 0.0.0.0:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to [::]:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to 0.0.0.0:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to [::]:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to 0.0.0.0:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to [::]:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to 0.0.0.0:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to [::]:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to 0.0.0.0:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: bind() to [::]:80 failed (98: Address already in use)

2022/03/13 05:03:12 [emerg] 9297#9297: still could not bind()

Troubleshoot

vim /etc/nginx/sites-enabled/default

server {

        listen 80 default_server;

        listen [::]:80 default_server;

#change to

server {

        listen 5601 default_server;

        listen [::]:5601 default_server;