This works on CentOS 7!
Add this to your config.php
'htaccess.RewriteBase' => '/' (Path depends on your configuration - maybe /nextcloud)
Update htaccess with the occ command
sudo -u apache php occ maintenance:update:htaccess
Make sure all modules are enabled with
cat /etc/httpd/conf.modules.d/* | grep mod_env
and
cat /etc/httpd/conf.modules.d/* | grep mod_rewrite
The output line should not start with #
I also restarted my httpd
systemctl restart httpd