Can not access webui

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Expected Behaviour:

beautiful webpage

Actual Behaviour:

503 - Service not available

I think the issue is this error (below), but not sure how to fix it. I also get php crit errors further down. When I use debug console, it does indeed get to lighttpd. Even when i do curl -i pi.hole/admin it shows lighttpd running .

---= Detecting Installed Package Versions:
::: Pi-hole: v3.1.4 (master:v3.1.4-0-gb0ecedd)
::: Pi-hole Dashboard: v3.1 (master:v3.1-0-gf204b71)
::: lighttpd/1.4.35
::: Failed loading ext/opcache.so: ext/opcache.so: cannot open shared object file: No such file or directory
:::

Debug Token:

xguxswcg9s

I forgot to mention; I've uninstalled and reinstalled 3+ times and get same results above. Thanks for the help.

Try following these steps: https://support.plesk.com/hc/en-us/articles/213373649-PHP-shows-the-error-Failed-loading-opcache-so-opcache-so-cannot-open-shared-object-file-No-such-file-or-directory

Appreciate the help. I ended up getting another PHP error so I just purged all the php files and reinstalled. That seemed to fix the error. However, it's still showing service unavailable - 503 error.

I've restarted the services. Any suggestions?

debug token: wy89tm3yw6

You have something other than lighttpd running on port 80:

Found user cript with process Plex

I think Plex's default port is 32400

Plex doesn't run on that port. However, I stopped the service completely (to be sure) and still not seeing the webpage. Let me know if you want me to resend debug token.

curl -i pi.hole/admin outputs:
HTTP/1.1 301 Moved Permanently
Location: http://pi.hole/admin/
Content-Length: 0
Date: Wed, 09 Aug 2017 23:01:05 GMT
Server: lighttpd/1.4.35

Here is what's running on port 80
$ netstat -a | grep 80
tcp 0 0 :8010 : LISTEN
tcp 32 0 malgus:45802 104.x.x.x :https CLOSE_WAIT
tcp 0 0 malgus:38000 malgus:32400 TIME_WAIT
tcp 0 0 malgus:50980 192.168.0.115:omniorb FIN_WAIT2
tcp6 0 0 [::]:8880 [::]:
LISTEN
unix 2 DGRAM 15980 /var/lib/samba/private/msg.sock/1361
unix 2 [ ACC ] STREAM LISTENING 32808 /tmp/mongodb-27117.sock
unix 2 [ ACC ] STREAM LISTENING 11806 /run/acpid.socket
unix 2 [ ACC ] STREAM LISTENING 11805 /var/run/dbus/system_bus_socket
unix 2 [ ACC ] STREAM LISTENING 11807 /run/uuidd/request
unix 2 [ ACC ] STREAM LISTENING 11808 /run/snapd.socket
unix 2 [ ACC ] STREAM LISTENING 11809 /run/snapd-snap.socket
unix 2 DGRAM 3038008
unix 3 STREAM CONNECTED 27680

You can close this ticket.

There must have been a hung process or something. Restarting fixed my last issue. Appreciate the help and thanks for the amazing product.