Error.log

/var/log/nginx/error.log
/var/log/mysql/error.log (MariaDB)

Related

PHP logs: /var/log/php*

See also

• Web server: Nginx: /etc/nginx/nginx.conf, nginx -t, Nginx logs, Nginx change log, PHP, php-fpm, Let's encrypt, Nginx directives, Reverse Proxy, Configure HTTP redirection Nginx, Return, proxy_pass (Reverse proxy), ngx_http_rewrite_module, /etc/nginx/sites-enabled/, error.log, access.log, /nginx status, AIO
• MariaDB: mariadbcheck, mariabackup, mysqldump, MyRocks, show (MariaDB) MariaDB Changelog, 50-server.cnf, MariaDB engines, .ibd, .myd, .myi, /var/log/mysql/error.log, /var/log/mysql/mariadb-slow.log, MariaDB files: .frm, .ibd, /etc/mysql/mariadb.conf.d/50-server.cnf, replication, MariaDB slow queries, show databases;, Aria, MyISAM, MariaDB SkySQL, binary log, 3306, /etc/mysql/