i using centminmod on Vultr VM centos for my wordpress website. My server corrupted. my website is down. i can't access my vps on ssh or sfpt or console. I mounting a rescue Windows ISO to retrieve my data. I buy a new server, install centminmod, download directory on /home/nginx/domains/ on old VPS and upload to /home/nginx/domain/ of new VPS; download directory /usr/local/nginx/conf/conf.d on old VPS and up load to /usr/local/nginx/conf/conf.d of new vps so mysql file, how can i backup it. please help me?