I have again, the same problem on an azure image.
I changed in df.php allow_foreserver_sessions to true .
did run :
php artisan config:clear
php artisan cache:clear
~/apps/dreamfactory/htdocs$ sudo service bitnami restart
/opt/bitnami/config/monit/conf.d/nginx.conf:3: Warning: Program does not exist: '/opt/bitnami/nginx/scripts/ctl.sh'
/opt/bitnami/config/monit/conf.d/nginx.conf:4: Warning: Program does not exist: '/opt/bitnami/nginx/scripts/ctl.sh'
Syntax OK
/opt/bitnami/apache2/scripts/ctl.sh : httpd stopped
/opt/bitnami/php/scripts/ctl.sh : php-fpm stopped
160404 11:30:32 mysqld_safe mysqld from pid file /opt/bitnami/mysql/data/mysqld.pid ended
/opt/bitnami/mysql/scripts/ctl.sh : mysql stopped
160404 11:30:37 mysqld_safe Logging to '/opt/bitnami/mysql/data/mysqld.log'.
160404 11:30:37 mysqld_safe Starting mysqld.bin daemon with databases from /opt/bitnami/mysql/data
/opt/bitnami/mysql/scripts/ctl.sh : mysql started at port 3306
/opt/bitnami/mongodb/scripts/ctl.sh : mongodb stopped
/opt/bitnami/mongodb/scripts/ctl.sh : mongodb started at port 27017
/opt/bitnami/php/scripts/ctl.sh : php-fpm started
Syntax OK
/opt/bitnami/apache2/scripts/ctl.sh : httpd started at port 80
/opt/bitnami/config/monit/conf.d/nginx.conf:3: Warning: Program does not exist: '/opt/bitnami/nginx/scripts/ctl.sh'
/opt/bitnami/config/monit/conf.d/nginx.conf:4: Warning: Program does not exist: '/opt/bitnami/nginx/scripts/ctl.sh'
Flushed system cache.
the api api/v2/system/environment returns "allow_forever_sessions":false