安装mysql5.6(MySQL-5.6.27-1.linux_glibc2.5.x86_64.rpm-bundle.tar)遇到的问题

1.如果出现FATAL ERROR: please install the following Perl modules before executing ./scripts/mysql_install_db:Data::Dumper，执行:

#安装 perl-module
#yum install -y perl-Module-Install.noarch

安装过程：

[root@localhost mysqlinstall]# ls

MySQL-client-5.6.19-1.linux_glibc2.5.x86_64.rpm

MySQL-devel-5.6.19-1.linux_glibc2.5.x86_64.rpmMySQL-embedded-5.6.19-1.linux_glibc2.5.x86_64.rpmMySQL-server-5.6.19-1.linux_glibc2.5.x86_64.rpmMySQL-shared-5.6.19-1.linux_glibc2.5.x86_64.rpmMySQL-shared-compat-5.6.19-1.linux_glibc2.5.x86_64.rpmMySQL-test-5.6.19-1.linux_glibc2.5.x86_64.rpm[root@localhost mysqlinstall]# rpm -ivh MySQL-server-*.rpmPreparing... ########################################### [100%]1:MySQL-server ########################################### [100%][root@localhost mysqlinstall]# rpm -ivh MySQL-client-*.rpmPreparing... ########################################### [100%]1:MySQL-client ########################################### [100%][root@localhost mysqlinstall]# rpm -ivh MySQL-devel-*.rpmPreparing... ########################################### [100%]1:MySQL-devel ########################################### [100%][root@localhost mysqlinstall]# service mysql statusERROR! MySQL is not running[root@localhost mysqlinstall]# service mysql startStarting MySQL.. SUCCESS!修改设置密码，原始密码在/root/这个文件夹里面，ls -a可以看到一个mysql的文件，里面有原始密码：mysql> set password=password(’123456‘);mysql> update user set host = '%' where user = 'root';ERROR 1062 (23000): Duplicate entry '%-root' for key 'PRIMARY'mysql> flush privileges;Query OK, 0 rows affected (0.00 sec)