centos mysql5.6 升级5.7
系统环境：centos7.2，linux3.10[root@VM_0_15_centos ~]# uname -aLinux VM_0_15_centos 3.10.0-514.26.2.el7.x86_64 #1 SMP Tue Jul 4 15:04:05 UTC 2017 x86_64 x86_64 x86_64 GNU/Linux[root@VM_0_15_centos ~]#...
