rpm -e mariadb-libs postfix[root@localhost ~]
# groupadd mysql
[root@localhost ~]
# useradd -g mysql mysql
[root@localhost ~]
# mkdir mysql
[root@localhost ~]
# tar xf mysql-8.0.16-2.el7.x86_64.rpm-bundle.tar -c mysql
[root@localhost ~]
# cd mysql
[root@localhost mysql]
# yum localinstall mysql-community-client-8.0.16-
2.el7.x86_64.rpm mysql-community-server-8.0.16-2.el7.x86_64.rpm mysql-community-
libs-8.0.16-2.el7.x86_64.rpm mysql-community-common-8.0.16-2.el7.x86_64.rpm
[root@localhost ~]
# systemctl start mysqld
[root@localhost ~]
# systemctl enable mysqld
找到root預設密碼，然後登入mysql進行修改：
[root@localhost ~]
# grep "temporary password" /var/log/mysqld.log
[root@localhost ~]
# mysql -uroot -p #剛才過濾的密碼
enter password:
welcome to the mysql monitor. commands end with ; or \g.
your mysql connection id is 8
server version: 8.0.16
oracle is a registered trademark of oracle corporation and/or its
affiliates. other names may be trademarks of their respective
owners.
type
'help;' or '\h'
for help.
type
'\c' to clear the current input statement.
mysql> alter user 'root'@'localhost' identified by 'abc123@com'
;#大寫，小寫，數
字，特殊符號
query ok, 0 rows affected (0.01 sec)
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