Need assistance please. Two servers, one production, one backup, near
identical hardware (8 core Intel CPUs, 64 Gib RAM) Ubuntu 20.04.6 LTS
with security extension, Apache/2.4.41 (Ubuntu) running behind nginx
proxy (nginx/1.18.0 (Ubuntu)), all apache2 conf, mod, sites and ports
files identical. No port conflict found using "# ss -tulpn"
Production server perfect, but on backup server boot, apache2 fails to
start, then will start manually on command line and then runs perfectly, as:
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled;
vendor preset: enabled)
Active: failed (Result: exit-code) since Sun 2025-08-31 22:46:13
UTC; 51s ago
Docs: https://httpd.apache.org/docs/2.4/
Process: 965 ExecStart=/usr/sbin/apachectl start (code=exited,
status=1/FAILURE)
Aug 31 22:46:12 server systemd[1]: Starting The Apache HTTP Server...
Aug 31 22:46:13 server apachectl[1002]: (99)Cannot assign requested
address: AH00072: make_sock: could not bind to address 192.168.0.95:8442
Aug 31 22:46:13 server apachectl[1002]: no listening sockets available,
shutting down
Aug 31 22:46:13 server apachectl[1002]: AH00015: Unable to open logs
Aug 31 22:46:13 server apachectl[965]: Action 'start' failed.
Aug 31 22:46:13 server apachectl[965]: The Apache error log may have
more information.
Aug 31 22:46:13 server systemd[1]: apache2.service: Control process
exited, code=exited, status=1/FAILURE
Aug 31 22:46:13 server systemd[1]: apache2.service: Failed with result
'exit-code'.
Aug 31 22:46:13 server systemd[1]: Failed to start The Apache HTTP Server.
paul@server:/$ sudo service apache2 start
paul@server:/$ sudo systemctl status apache2
● apache2.service - The Apache HTTP Server
Loaded: loaded (/lib/systemd/system/apache2.service; enabled;
vendor preset: enabled)
Active: active (running) since Sun 2025-08-31 22:47:48 UTC; 2s ago
Logs have nothing relevant (a minor php warn note identical on both
"poduction" and "backup" servers.)
I would truly appreciate thoughts, suggestions and help...
Thanks and warmest regards,
Paul
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