# 关闭maridb

systemctl stop mariadb

# 登录，初次登陆，免密码

[root@db138~]# mysql

Welcome to the MariaDB monitor. Commands end with ; or \g.

Your MariaDB connectionid is 6Server version:10.4.11-MariaDB-log MariaDB Server

Copyright (c)2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type'help;' or '\h' for help. Type '\c' to clearthe current input statement.

root@MariaDB017:45: [(none)]>show databases;+--------------------+

| Database |

+--------------------+

| information_schema |

| mysql |

| performance_schema |

| test |

+--------------------+

4 rows in set (0.001sec)

root@MariaDB017:45: [(none)]>delete from mysql.user where user='';

drop database test;

grant all privileges on*.* to 'root'@'127.0.0.1' identified by 'root'with grant option;

# 关闭maridb

systemctl stop mariadb

# 备份目录

cd/data/mysql/

zip -r data_old.zipdata

# 解压新版

cd/opt/

wget http://mariadb.mirror.nucleus.be//mariadb-10.5.0/bintar-linux-systemd-x86_64/mariadb-10.5.0-linux-systemd-x86_64.tar.gz

tar -zxf /opt/mariadb-10.5.0-linux-systemd-x86_64.tar.gz -C /usr/local/

unlinkmysqlln -s mariadb-10.5.0-linux-systemd-x86_64/mysqlchown -R mysql.mysql mariadb-10.5.0-linux-systemd-x86_64/

chown -R mysql.mysql mysql

cd mysql/

cp support-files/systemd/mariadb.service /lib/systemd/system/# 覆盖原来的文件

systemctl daemon-reload

systemctl start mariadb

[root@db138 mysql]# mysql_upgrade-s

The--upgrade-system-tables option was used, user tables won't be touched.

Phase 1/7: Checking and upgrading mysql database

Processing databases

mysql

mysql.column_stats OK

mysql.columns_priv OK

mysql.db OK

mysql.event OK

mysql.func OK

mysql.global_priv OK

mysql.gtid_slave_pos OK

mysql.help_category OK

mysql.help_keyword OK

mysql.help_relation OK

mysql.help_topic OK

mysql.index_stats OK

mysql.innodb_index_stats OK

mysql.innodb_table_stats OK

mysql.plugin OK

mysql.proc OK

mysql.procs_priv OK

mysql.proxies_priv OK

mysql.roles_mapping OK

mysql.servers OK

mysql.table_stats OK

mysql.tables_priv OK

mysql.time_zone OK

mysql.time_zone_leap_second OK

mysql.time_zone_name OK

mysql.time_zone_transition OK

mysql.time_zone_transition_type OK

mysql.transaction_registry OK

Phase2/7: Installing used storage engines... Skipped

Phase3/7: Fixing views... Skipped

Phase4/7: Running 'mysql_fix_privilege_tables'Phase5/7: Fixing table and database names ... Skipped

Phase6/7: Checking and upgrading tables... Skipped

Phase7/7: Running 'FLUSH PRIVILEGES'OK

[root@db138 mysql]#

[root@db138 mysql]# mysql

Welcome to the MariaDB monitor. Commands end with ; or \g.

Your MariaDB connectionid is 13Server version:10.5.0-MariaDB-log MariaDB Server

Copyright (c)2000, 2018, Oracle, MariaDB Corporation Ab and others.

Type'help;' or '\h' for help. Type '\c' to clearthe current input statement.

root@MariaDB017:57: [(none)]># 升级完毕