Fancy error pages for your web server.
You can simply run this command:
wget -qO- https://installation.hell.sh/apache-http-error-pages | bash or clone HTTP-Error-Pages into /etc/apache2/http-error-pages, and then add this to your apache2.conf:
Alias /http-error-pages /etc/apache2/http-error-pages ErrorDocument 400 /http-error-pages/400.html ErrorDocument 401 /http-error-pages/401.html ErrorDocument 403 /http-error-pages/403.html ErrorDocument 404 /http-error-pages/404.html ErrorDocument 408 /http-error-pages/408.html ErrorDocument 410 /http-error-pages/410.html <Directory /etc/apache2/http-error-pages> AllowOverride None Require all granted </Directory>