title: How to start php7.3-fpm on Debian 10.3? Error: Failed to start The PHP 7.3 FastCGI Process Manager
body: <p>With a fresh installation of Debian 10.3 I tried to install php-fpm, but it wouldn't configure properly. </p>
  
  <pre><code>$ sudo apt install php-fpm
  </code></pre>
  
  <p>Threw this:</p>
  
  <pre><code>(...)   
  Detected unsafe path transition / → /run during canonicalization of /run.
  Job for php7.3-fpm.service failed because the control process exited with error code.
  See "systemctl status php7.3-fpm.service" and "journalctl -xe" for details.
  invoke-rc.d: initscript php7.3-fpm, action "start" failed.
  ● php7.3-fpm.service - The PHP 7.3 FastCGI Process Manager
     Loaded: loaded (/lib/systemd/system/php7.3-fpm.service; enabled; vendor preset: enabled)
     Active: failed (Result: exit-code) since Tue 2020-03-10 12:03:31 -03; 6ms ago
       Docs: man:php-fpm7.3(8)
    Process: 7111 ExecStart=/usr/sbin/php-fpm7.3 --nodaemonize --fpm-config /etc/php/7.3/fpm/php-fpm.conf (code=exited, status=78)
   Main PID: 7111 (code=exited, status=78)
   (...)
  </code></pre>
  
  <p>It also complains about a <code>libapache2-mod-php7.3</code> dependency, but I don't want to use Apache.</p>