I just disbaled ipv6 on a plain bionic system, with the released package of nginx (no updates), and nginx fails to start with the same error, so this is not a regression introduced in a bionic update:
root@bionic-nginx:~# service nginx status ● 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 Tue 2019-07-30 13:19:01 UTC; 16s ago Docs: man:nginx(8) Process: 700 ExecStartPre=/usr/sbin/nginx -t -q -g daemon on; master_process on; (code=exited, status=1/FAILURE) Jul 30 13:19:01 bionic-nginx systemd[1]: Starting A high performance web server and a reverse proxy server... Jul 30 13:19:01 bionic-nginx nginx[700]: nginx: [emerg] socket() [::]:80 failed (97: Address family not supported by protocol) Jul 30 13:19:01 bionic-nginx nginx[700]: nginx: configuration file /etc/nginx/nginx.conf test failed Jul 30 13:19:01 bionic-nginx systemd[1]: nginx.service: Control process exited, code=exited status=1 Jul 30 13:19:01 bionic-nginx systemd[1]: nginx.service: Failed with result 'exit-code'. Jul 30 13:19:01 bionic-nginx systemd[1]: Failed to start A high performance web server and a reverse proxy server. root@bionic-nginx:~# apt-cache policy nginx nginx: Installed: 1.14.0-0ubuntu1 Candidate: 1.14.0-0ubuntu1 Version table: *** 1.14.0-0ubuntu1 500 500 http://br.archive.ubuntu.com/ubuntu bionic/main amd64 Packages 100 /var/lib/dpkg/status root@bionic-nginx:~# ifconfig ens3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 192.168.122.176 netmask 255.255.255.0 broadcast 192.168.122.255 ether 52:54:00:0d:cf:78 txqueuelen 1000 (Ethernet) RX packets 301 bytes 27646 (27.6 KB) RX errors 0 dropped 40 overruns 0 frame 0 TX packets 181 bytes 29753 (29.7 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 lo: flags=73<UP,LOOPBACK,RUNNING> mtu 65536 inet 127.0.0.1 netmask 255.0.0.0 loop txqueuelen 1000 (Local Loopback) RX packets 92 bytes 6972 (6.9 KB) RX errors 0 dropped 0 overruns 0 frame 0 TX packets 92 bytes 6972 (6.9 KB) TX errors 0 dropped 0 overruns 0 carrier 0 collisions 0 root@bionic-nginx:~# cat /proc/cmdline BOOT_IMAGE=/boot/vmlinuz-4.15.0-55-generic root=UUID=ab05b2c3-a580-4df1-9ef9-0f0c5a183949 ro ipv6.disable=1 console=tty1 console=ttyS0 -- You received this bug notification because you are a member of Ubuntu Bugs, which is subscribed to Ubuntu. https://bugs.launchpad.net/bugs/1838246 Title: Nginx 1.14.0 fails to start if ipv6 support on host is disabled To manage notifications about this bug go to: https://bugs.launchpad.net/ubuntu/+source/nginx/+bug/1838246/+subscriptions -- ubuntu-bugs mailing list ubuntu-bugs@lists.ubuntu.com https://lists.ubuntu.com/mailman/listinfo/ubuntu-bugs