wp db export db.sql
The example below is for local to remote, simply swap these 2 around for remote to local
scp -r db.sql www-data@IP_ADDRESS:/var/www/html
ssh www-data@IP_ADDRESS
wp db import db.sql
wp search-replace old-site-url.co.uk new-site-url.co.uk --dry-run
wp search-replace old-site-url.co.uk new-site-url.co.uk
rm db.sql