Sep 18 23:20:10 Ubuntu-1804-bionic-64-minimal sudo[18616]:     root : TTY=pts/2 ; PWD=/root ; USER=root ; COMMAND=/bin/systemctl stop nginx
Sep 18 23:20:10 Ubuntu-1804-bionic-64-minimal sudo[18616]: pam_unix(sudo:session): session opened for user root by root(uid=0)
Sep 18 23:20:10 Ubuntu-1804-bionic-64-minimal sudo[18616]: pam_unix(sudo:session): session closed for user root
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal sudo[18619]:     root : TTY=pts/2 ; PWD=/root ; USER=root ; COMMAND=/bin/systemctl start nginx
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal sudo[18619]: pam_unix(sudo:session): session opened for user root by root(uid=0)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal systemd[1]: Starting A high performance web server and a reverse proxy server...
-- Subject: Unit nginx.service has begun start-up
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit nginx.service has begun starting up.
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Sep 18 23:20:14 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Sep 18 23:20:15 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:80 failed (98: Address already in use)
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to [::]:80 failed (98: Address already in use)
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] bind() to 0.0.0.0:443 failed (98: Address already in use)
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal nginx[18623]: nginx: [emerg] still could not bind()
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal systemd[1]: nginx.service: Control process exited, code=exited status=1
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal systemd[1]: nginx.service: Failed with result 'exit-code'.
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal systemd[1]: Failed to start A high performance web server and a reverse proxy server.
-- Subject: Unit nginx.service has failed
-- Defined-By: systemd
-- Support: http://www.ubuntu.com/support
--
-- Unit nginx.service has failed.
--
-- The result is RESULT.
Sep 18 23:20:16 Ubuntu-1804-bionic-64-minimal sudo[18619]: pam_unix(sudo:session): session closed for user root
Sep 18 23:20:21 Ubuntu-1804-bionic-64-minimal sshd[18625]: Invalid user admin from 49.83.139.39 port 15944
Sep 18 23:20:21 Ubuntu-1804-bionic-64-minimal sshd[18625]: pam_unix(sshd:auth): check pass; user unknown
Sep 18 23:20:21 Ubuntu-1804-bionic-64-minimal sshd[18625]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=49.83.139.39
Sep 18 23:20:23 Ubuntu-1804-bionic-64-minimal sshd[18625]: Failed password for invalid user admin from 49.83.139.39 port 15944 ssh2
Sep 18 23:20:23 Ubuntu-1804-bionic-64-minimal sshd[18625]: pam_unix(sshd:auth): check pass; user unknown