Habe alle Befehle mal ausgeführt und geloggt:
e]0;root@MEINNETZWERK: /etc/php/7.4aroot@MEINNETZWERK:/etc/php/7.4# service apache2 restart
e]0;root@MEINNETZWERK: /etc/php/7.4aroot@MEINNETZWERK:/etc/php/7.4# a2enconf php7.4-fpm
Conf php7.4-fpm already enabled
e]0;root@MEINNETZWERK: /etc/php/7.4aroot@MEINNETZWERK:/etc/php/7.4# service apache2 restart && service php7.4-fpm restart
e]0;root@MEINNETZWERK: /etc/php/7.4aroot@MEINNETZWERK:/etc/php/7.4# sudo systemctl status php7.4-fpm
e[?1he=
e[0;1;32m●e[0m php7.4-fpm.service - The PHP 7.4 FastCGI Process Managere[m
Loaded: loaded (/lib/systemd/system/php7.4-fpm.service; enabled; vendor pre[me[7m>e[27m
Active: e[0;1;32mactive (running)e[0m since Tue 2021-07-13 09:47:57 CEST; 18s agoe[m
Docs: man:php-fpm7.4(8)e[m
Process: 25943 ExecStartPost=/usr/lib/php/php-fpm-socket-helper install /rue[me[7m>e[27m
Main PID: 25910 (php-fpm7.4)e[m
Status: "Processes active: 0, idle: 30, Requests: 0, slow: 0, Traffic: 0ree[me[7m>e[27m
Tasks: 31 (limit: 2262)e[m
Memory: 36.5Me[m
CGroup: /system.slice/php7.4-fpm.servicee[m
├─25910 php-fpm: master process (/etc/php/7.4/fpm/php-fpm.conf)e[m
├─25913 php-fpm: pool wwwe[m
├─25914 php-fpm: pool wwwe[m
├─25915 php-fpm: pool wwwe[m
├─25916 php-fpm: pool wwwe[m
├─25917 php-fpm: pool wwwe[m
├─25918 php-fpm: pool wwwe[m
├─25919 php-fpm: pool wwwe[m
├─25920 php-fpm: pool wwwe[m
├─25921 php-fpm: pool wwwe[m
├─25922 php-fpm: pool wwwe[m
├─25923 php-fpm: pool wwwe[m
├─25924 php-fpm: pool wwwe[m
e[7mlines 1-23e[27me[K
e[K ├─25925 php-fpm: pool wwwe[m
e[7mlines 2-24e[27me[K
e[K ├─25926 php-fpm: pool wwwe[m
e[7mlines 3-25e[27me[K
e[K ├─25927 php-fpm: pool wwwe[m
e[7mlines 4-26e[27me[K
e[K ├─25928 php-fpm: pool wwwe[m
e[7mlines 5-27e[27me[K
e[K ├─25929 php-fpm: pool wwwe[m
e[7mlines 6-28e[27me[K
e[K ├─25930 php-fpm: pool wwwe[m
e[7mlines 7-29e[27me[K
e[K ├─25931 php-fpm: pool wwwe[m
e[7mlines 8-30e[27me[K
e[K ├─25932 php-fpm: pool wwwe[m
e[7mlines 9-31e[27me[K
e[K ├─25933 php-fpm: pool wwwe[m
e[7mlines 10-32e[27me[K
e[K ├─25934 php-fpm: pool wwwe[m
e[7mlines 11-33e[27me[K
e[K ├─25935 php-fpm: pool wwwe[m
e[7mlines 12-34e[27me[K
e[K ├─25936 php-fpm: pool wwwe[m
e[7mlines 13-35e[27me[K
e[K ├─25937 php-fpm: pool wwwe[m
e[7mlines 14-36e[27me[K
e[K ├─25938 php-fpm: pool wwwe[m
e[7mlines 15-37e[27me[K
e[K ├─25939 php-fpm: pool wwwe[m
e[7mlines 16-38e[27me[K
e[K ├─25940 php-fpm: pool wwwe[m
e[7mlines 17-39e[27me[K
e[K ├─25941 php-fpm: pool wwwe[m
e[7mlines 18-40e[27me[K
e[K └─25942 php-fpm: pool wwwe[m
e[7mlines 19-41e[27me[K
e[Ke[m
e[7mlines 20-42e[27me[K
e[KJul 13 09:47:57 MEINESEITE systemd[1]: Starting The PHP 7.4 FastCGI Pre[me[7m>e[27m
e[7mlines 21-43e[27me[K
e[KJul 13 09:47:57 MEINESEITE systemd[1]: Started The PHP 7.4 FastCGI Proe[me[7m>e[27m
e[7mlines 22-44e[27me[K
e[Ka
e[Ke[7mlines 22-44/44 (END)e[27me[K
e[Ka
e[Ke[7mlines 22-44/44 (END)e[27me[K
e[Ka
e[Ke[7mlines 22-44/44 (END)e[27me[K
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e[Ke[7mlines 22-44/44 (END)e[27me[Ka
e[Ke[?1le>
e]0;root@MEINNETZWERK: /etc/php/7.4aroot@MEINNETZWERK:/etc/php/7.4# sudo systemctl status php7.4-fpm
e[?1he=
e[0;1;32m●e[0m php7.4-fpm.service - The PHP 7.4 FastCGI Process Managere[m
Loaded: loaded (/lib/systemd/system/php7.4-fpm.service; enabled; vendor pre[me[7m>e[27m
Active: e[0;1;32mactive (running)e[0m since Tue 2021-07-13 09:47:57 CEST; 46s agoe[m
Docs: man:php-fpm7.4(8)e[m
Process: 25943 ExecStartPost=/usr/lib/php/php-fpm-socket-helper install /rue[me[7m>e[27m
Main PID: 25910 (php-fpm7.4)e[m
Status: "Processes active: 0, idle: 30, Requests: 0, slow: 0, Traffic: 0ree[me[7m>e[27m
Tasks: 31 (limit: 2262)e[m
Memory: 36.5Me[m
CGroup: /system.slice/php7.4-fpm.servicee[m
├─25910 php-fpm: master process (/etc/php/7.4/fpm/php-fpm.conf)e[m
├─25913 php-fpm: pool wwwe[m
├─25914 php-fpm: pool wwwe[m
├─25915 php-fpm: pool wwwe[m
├─25916 php-fpm: pool wwwe[m
├─25917 php-fpm: pool wwwe[m
├─25918 php-fpm: pool wwwe[m
├─25919 php-fpm: pool wwwe[m
├─25920 php-fpm: pool wwwe[m
├─25921 php-fpm: pool wwwe[m
├─25922 php-fpm: pool wwwe[m
├─25923 php-fpm: pool wwwe[m
├─25924 php-fpm: pool wwwe[m
e[7mlines 1-23e[27me[K
e[K ├─25925 php-fpm: pool wwwe[m
e[7mlines 2-24e[27me[K
e[K ├─25926 php-fpm: pool wwwe[m
e[7mlines 3-25e[27me[K
e[K ├─25927 php-fpm: pool wwwe[m
e[7mlines 4-26e[27me[K
e[K ├─25928 php-fpm: pool wwwe[m
e[7mlines 5-27e[27me[K
e[K ├─25929 php-fpm: pool wwwe[m
e[7mlines 6-28e[27me[K
e[K ├─25930 php-fpm: pool wwwe[m
e[7mlines 7-29e[27me[K
e[K ├─25931 php-fpm: pool wwwe[m
e[7mlines 8-30e[27me[K
e[K ├─25932 php-fpm: pool wwwe[m
e[7mlines 9-31e[27me[K
e[K ├─25933 php-fpm: pool wwwe[m
e[7mlines 10-32e[27me[K
e[K ├─25934 php-fpm: pool wwwe[m
e[7mlines 11-33e[27me[K
e[K ├─25935 php-fpm: pool wwwe[m
e[7mlines 12-34e[27me[K
e[K ├─25936 php-fpm: pool wwwe[m
e[7mlines 13-35e[27me[K
e[K ├─25937 php-fpm: pool wwwe[m
e[7mlines 14-36e[27me[K
e[K ├─25938 php-fpm: pool wwwe[m
e[7mlines 15-37e[27me[K
e[K ├─25939 php-fpm: pool wwwe[m
e[7mlines 16-38e[27me[K
e[K ├─25940 php-fpm: pool wwwe[m
e[7mlines 17-39e[27me[K
e[K ├─25941 php-fpm: pool wwwe[m
e[7mlines 18-40e[27me[K
e[K └─25942 php-fpm: pool wwwe[m
e[7mlines 19-41e[27me[K
e[Ke[m
e[7mlines 20-42e[27me[K
e[KJul 13 09:47:57 MEINESEITE systemd[1]: Starting The PHP 7.4 FastCGI Pre[me[7m>e[27m
e[7mlines 21-43e[27me[K
e[KJul 13 09:47:57 MEINESEITE systemd[1]: Started The PHP 7.4 FastCGI Proe[me[7m>e[27m
e[7mlines 22-44e[27me[K
Es handelt sich um eine Appliance, die ich damals benutzt habe. Ich habe das NC nicht von null aufgesetzt. Wie gesagt, die Seite ist nun nicht mehr erreichbar, seitdem ich php8.0 über das php7.4 geklatscht habe. Ein entfernen hat leider danach auch nichts gebracht. Trotz dessen, dass ich php7.4 wieder installiert habe.
An der apache2 Config habe ich eigentlich nichts geändert. Diese sollte Standard sein.