503 Service Unavailable - PHP Syntax Error

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1

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Expected Behaviour:

Pi-hole web interface access

Actual Behaviour:

503 Service Unavailable
Looked through the forums and found a few that looked like they were close to my issue, but none of the commands fixed the issue. Tried uninstalling and re-installing PHP but keep getting a syntax error in unknown on line 5. Not a big linux / unix user so commands are a mystery to me. Just trying to get my Pi-hole back online so I can block adds and so I have a DNS server running.

Debug Token:

https://tricorder.pi-hole.net/lxCk0iOl/

2

This seems to be a Operating System level issue.

PHP is not correctly installed in your system:

*** [ DIAGNOSING ]: php version
[✗] php version could not be detected.

This seems to be the same issue from this other topic: 503 Error

Please, try to reinstall PHP using this command:
(Alternatively, you can change the 7.4 version with the same version you had before)

sudo apt install --reinstall php7.4-cgi php7.4-cli php7.4-common php7.4-intl php7.4-json php7.4-opcache php7.4-readline php7.4-sqlite3 php7.4-xml
3

Thanks for the assistance. However, when trying to install/re-install PHP, I get an error:

sudo apt install --reinstall php7.4-cgi php7.4-cli php7.4-common php7.4-intl php7.4-json php7.4-opcache php7.4-readline php7.4-sqlite3 php7.4-xml
Reading package lists... Done
Building dependency tree... Done
Reading state information... Done
0 upgraded, 0 newly installed, 9 reinstalled, 0 to remove and 10 not upgraded.
Need to get 0 B/4,004 kB of archives.
After this operation, 0 B of additional disk space will be used.
E: Sub-process /usr/bin/dpkg received a segmentation fault.

Further assistance would be appreciated. Not sure if it's something deeper or that my SD card may be corrupt?
Thanks!

4

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