Sql server ubuntu problem

sqlcmd -S localhost -U SA -P '6s5ds5d'
sqlcmd -S 192.168.0.00,1433 -U SA -P '6s5ds5d'
sqlcmd -S kabaite\\Express,1433 -U SA -P '6s5ds5d'

sudo service apache2 restart
sudo systemctl status mssql-server

sudo ufw enable
sudo ufw allow 1433

Guide nice

https://www.microsoft.com/en-us/sql-server/developer-get-started/php/ubuntu/step/2.html