Pihole v5.0 Errors

owhl64 · June 23, 2020, 10:10pm

Please follow the below template, it will help us to help you!

If you are Experiencing issues with a Pi-hole install that has non-standard elements (e.g you are using `nginx` instead of `lighttpd`, or there is some other aspect of your install that is customised) - please use the Community Help category.

Expected Behaviour:

CentOS 7
RPI4
Pihole install works installs without error. I should be seeing in the Web Interface Active and FTL is Online.

Actual Behaviour:

Status in Web Interface is unknown.
FTL is Offline.
DNS service is not running.

Debug Token:

https://tricorder.pi-hole.net/gspye21u35

bcambl · June 23, 2020, 10:18pm

Have you configured your firewall?

see: Prerequisites - Pi-hole documentation

owhl64 · June 23, 2020, 10:24pm

Using iptables ipv4:

:INPUT ACCEPT [0:0]
:FORWARD DROP [0:0]
:OUTPUT ACCEPT [2593:381228]
:DOCKER - [0:0]
:DOCKER-ISOLATION - [0:0]
-A INPUT -m state --state RELATED,ESTABLISHED -j LOG --log-level 7 --log-prefix "Accept Related, Established"
-A INPUT -m state --state RELATED,ESTABLISHED -j ACCEPT
-A INPUT -p tcp -m multiport --dports 80,443 -j LOG --log-level 7 --log-prefix "HTTP/S"
-A INPUT -p tcp -m multiport --dports 80,443 -m conntrack --ctstate NEW,ESTABLISHED -j ACCEPT
-A INPUT -i tun0 -p tcp --dport 53 -j LOG --log-level 7 --log-prefix "DNS TCP"
-A INPUT -i tun0 -p tcp --dport 53 -j ACCEPT
-A INPUT -i tun0 -p udp --dport 53 -j LOG --log-level 7 --log-prefix "DNS UDP"
-A INPUT -i tun0 -p udp --dport 53 -j ACCEPT
-A INPUT -p tcp -m state --state NEW -m tcp --dport 2222 -j LOG --log-level 7 --log-prefix "Accept SSH"
-A INPUT -p tcp -m state --state NEW -m tcp --dport 2222 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 10050 -j LOG --log-level 7 --log-prefix "Zabbix Agent"
-A INPUT -p tcp -m tcp --dport 10050 -j ACCEPT
-A INPUT -p tcp -m tcp --dport 10051 -j LOG --log-level 7 --log-prefix "Zabbix Server"
-A INPUT -p tcp -m tcp --dport 10051 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 8/0 -j LOG --log-level 7 --log-prefix "Accept Ping"
-A INPUT -p icmp -m icmp --icmp-type 8/0 -j ACCEPT
-A INPUT -p icmp -m icmp --icmp-type 11/0 -j LOG --log-level 7 --log-prefix "Accept time icmp"
-A INPUT -p icmp -m icmp --icmp-type 11/0 -j ACCEPT
-A INPUT -j LOG --log-level 7 --log-prefix "DROP all else"
-A INPUT -j DROP
-A FORWARD -j DOCKER-ISOLATION
-A FORWARD -o docker0 -j DOCKER
-A FORWARD -o docker0 -m conntrack --ctstate RELATED,ESTABLISHED -j ACCEPT
-A FORWARD -i docker0 ! -o docker0 -j ACCEPT
-A FORWARD -i docker0 -o docker0 -j ACCEPT
-A FORWARD -j REJECT --reject-with icmp-host-prohibited
-A DOCKER-ISOLATION -j RETURN
COMMIT

bcambl · June 23, 2020, 10:49pm

My appologies, I missed the obvious. CentOS is only supported on x86_64

see: Prerequisites - Pi-hole documentation

owhl64 · June 23, 2020, 11:04pm

So is that it?

The install was able to find arm packages for everything and I got to the point of signing into the Web Interface.

The only thing that is left is working out why it cannot save setting changes, be viewed as active, FTL offline and DNS service not running.

bcambl · June 23, 2020, 11:18pm

Not officially supported does not mean it will not work.. but may require additional tweaks and manual edits which is beyond the scope if support in most cases.

With reviewing your debug log, the next logical step I would recommend is getting your PHP version updated to a version that is not EOL. You are on PHP 5.4.16 which has been end-of-life since Sept. 2015.

I would try to get into the PHP 7.x versions if possible.

if you review your logs at /var/log/lighttpd/error.log you will notice some PHP errors that are most likely related to your PHP version being very out of date.

Hope this helps.

owhl64 · June 23, 2020, 11:52pm

That is where I am stuck.

I am on a version of Zabbix that will break /not supported if I upgrade to PHP7.X.

owhl64 · June 23, 2020, 11:54pm

(mod_fastcgi.c.421) FastCGI-stderr: PHP Warning: file(http://127.0.0.1:80/admin/scripts/pi-hole/php/queryads.php?domain=localhost&bp): failed to open stream: HTTP request failed! in /var/www/html/pihole/index.php on line 147
2020-06-23 14:55:03: (mod_fastcgi.c.421) FastCGI-stderr: PHP Warning: array_filter() expects parameter 1 to be array, string given in /var/www/html/pihole/index.php on line 148
2020-06-23 14:55:03: (mod_fastcgi.c.421) FastCGI-stderr: PHP Warning: array_values() expects parameter 1 to be array, null given in /var/www/html/pihole/index.php on line 148
2020-06-23 14:56:20: (mod_fastcgi.c.421) FastCGI-stderr: PHP Warning: require_once(/etc/zabbix/web/maintenance.inc.php): failed to open stream: Permission denied in /usr/share/zabbix/include/classes/core/ZBase.php on line 278
2020-06-23 14:56:20: (mod_fastcgi.c.421) FastCGI-stderr: PHP Fatal error: require_once(): Failed opening required '/etc/zabbix/web/maintenance.inc.php' (include_path='.:/usr/share/pear:/usr/share/php') in /usr/share/zabbix/include/classes/core/ZBase.php on line 278

bcambl · June 24, 2020, 12:07am

In that situation my recommendation would be to purchase another pi with a wired connection and install one of the supported ARM distro I have linked above. Likely cheaper than your Zabbix support.

EDIT: you could run cli-only if you can live without the frontend.

owhl64 · June 24, 2020, 12:13am

Is the front end the only part you think will be the issue or should I still expect issues without the Web Interface?

bcambl · June 24, 2020, 12:14am

The frontend is the web interface. By cli-only I mean command line only.

owhl64 · June 24, 2020, 12:21am

Right. I guess would you still anticipate install problems if I only went cli-only?

bcambl · June 24, 2020, 12:29am

Other than the web interface.. is the project working?
see: Post-Install - Pi-hole documentation

also some cli docs: Redirecting...

owhl64 · June 24, 2020, 12:36am

Am I right in seeing there is no cli documentation for the dhcp portion?

bcambl · June 24, 2020, 12:43am

Correct. I am going to mark this as solved.