mariadb.txt

sudo mysql_upgrade -u root
sudo mysql -u root


sudo systemctl status mariadb
sudo systemctl start  mariadb
sudo systemctl stop mariadb

https://wiki.archlinux.org/index.php/MySQL#Unable_to_run_mysql_upgrade_because_MySQL_cannot_start

To Reload MySQL/MariaDB server:
# For Sysvinit Systems #
# service mysql reload
or
# /etc/init.d/mysql reload

# For Systemd Systems #
# systemctl reload mariadb.service
or
# systemctl reload mysql.service
or
# systemctl reload mariadb
or
# systemctl reload mysql


To view status of MySQL/MariaDB server:
# For Sysvinit Systems #
# service mysql status
or
# /etc/init.d/mysql status

# For Systemd Systems #
# systemctl status mariadb.service
or
# systemctl status mysql.service
or
# systemctl status mariadb
or
# systemctl status mysql


To Restart MySQL/MariaDB server

# For Sysvinit Systems #
# service mysql restart
or
# /etc/init.d/mysql restart

# For Systemd Systems #
# systemctl restart mariadb.service
or
# systemctl restart mysql.service
or
# systemctl restart mariadb
or
# systemctl restart mysql




To Enable MySQL/MariaDB server in boot:
# For Sysvinit Systems #
# chkconfig mysqld on

# For Systemd Systems #
# systemctl enable mariadb.service
or
# systemctl enable mysql.service
or
# systemctl enable mariadb
or
# systemctl enable mysql