1.提示/usr/bin/perl 被 mysql-community-server-8.0.21-1.el7.x86_64 需要
联网状态下执行yum install -y perl-Module-Install.noarch
2. 提示mariadb-libs 被 mysql-community-libs-8.0.21-1.el7.x86_64 取代
清除安装过的依赖yum remove mysql-libs
3.临时密码怎么看
grep "A temporary password" /var/log/mysqld.log
4.提示ERROR 1819 (HY000): Your password does not satisfy the current policy requirements
改个复杂的密码或者降低密码安全策略
set global validate_password.policy=0;
