nginx restart error
nginx: [emerg] unexpected end of file, expecting “;” or “}” in
he problem is in /etc/nginx/conf.d/vesta.conf
There is probably a apache.conf line and you need to remove it and problem solved.

https://forum.vestacp.com/viewtopic.php?t=5352
https://forum.vestacp.com/viewtopic.php?t=6213

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Error: Database connection to localhost failed

service mysql stop && service mysql start && dpkg-reconfigure mysql-server-5.5

>> the mean: reset root passwd

https://forum.vestacp.com/viewtopic.php?t=5195

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phpmyadmin can’t login

nano /usr/local/vesta/conf/mysql.conf   see root passwd

http://ljasonh.com/find-and-change-vestacp-mysql-root-password/