在centos 6.9 上rpm安装MysqL@H_403_1@
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环境：@H_403_1@
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Linux:CentOS release 6.9 64bit@H_403_1@
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1、在/home创建MysqL目录，下载如下四个软件包@H_403_1@
http://mirrors.sohu.com/MysqL/MysqL-5.7/@H_403_1@
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wget http://mirrors.sohu.com/MysqL/MysqL-5.7/MysqL-community-client-5.7.18-1.el6.x86_64.rpm@H_403_1@
wget http://mirrors.sohu.com/MysqL/MysqL-5.7/MysqL-community-common-5.7.18-1.el6.x86_64.rpm@H_403_1@
wget http://mirrors.sohu.com/MysqL/MysqL-5.7/MysqL-community-libs-5.7.18-1.el6.x86_64.rpm@H_403_1@
wget http://mirrors.sohu.com/MysqL/MysqL-5.7/MysqL-community-server-5.7.18-1.el6.x86_64.rpm@H_403_1@
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2、检查MysqL rpm相关的包是否安装并去除@H_403_1@
[root@centos-6 MysqL]# rpm -qa | grep -i MysqL@H_403_1@
MysqL-libs-5.1.73-8.el6_8.x86_64@H_403_1@
[root@centos-6 MysqL]# rpm -e MysqL-libs-5.1.73-8.el6_8.x86_64@H_403_1@
error: Failed dependencies:@H_403_1@
libMysqLclient.so.16()(64bit) is needed by (installed) postfix-2:2.6.6-8.el6.x86_64@H_403_1@
libMysqLclient.so.16(libMysqLclient_16)(64bit) is needed by (installed) postfix-2:2.6.6-8.el6.x86_64@H_403_1@
MysqL-libs is needed by (installed) postfix-2:2.6.6-8.el6.x86_64@H_403_1@
[root@centos-6 MysqL]#@H_403_1@
[root@centos-6 MysqL]# yum remove -y MysqL-libs@H_403_1@
[root@centos-6 MysqL]# rpm -qa | grep -i MysqL@H_403_1@
[root@centos-6 MysqL]#@H_403_1@
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3、同时安装这四个rpm包@H_403_1@
rpm -ivh MysqL-community-client-5.7.18-1.el6.x86_64.rpm MysqL-community-common-5.7.18-1.el6.x86_64.rpm MysqL-community-libs-5.7.18-1.el6.x86_64.rpm MysqL-community-server-5.7.18-1.el6.x86_64.rpm@H_403_1@
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[root@centos-6 home]# rpm -ivh MysqL-community-client-5.7.18-1.el6.x86_64.rpm MysqL-community-common-5.7.18-1.el6.x86_64.rpm MysqL-community-libs-5.7.18-1.el6.x86_64.rpm MysqL-community-server-5.7.18-1.el6.x86_64.rpm@H_403_1@
warning: MysqL-community-client-5.7.18-1.el6.x86_64.rpm: Header V3 DSA/SHA1 Signature,key ID 5072e1f5: NOKEY@H_403_1@
error: Failed dependencies:@H_403_1@
libnuma.so.1()(64bit) is needed by MysqL-community-server-5.7.18-1.el6.x86_64@H_403_1@
libnuma.so.1(libnuma_1.1)(64bit) is needed by MysqL-community-server-5.7.18-1.el6.x86_64@H_403_1@
libnuma.so.1(libnuma_1.2)(64bit) is needed by MysqL-community-server-5.7.18-1.el6.x86_64@H_403_1@
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[root@centos-6 home]# yum install -y numactl@H_403_1@
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第一次通过#grep "password" /var/log/MysqLd.log 命令获取MysqL的临时密码@H_403_1@
用该密码登录到服务端后，必须马上修改密码，不然操作查询时报错误@H_403_1@
刚开始设置的密码必须符合长度，且必须含有数字，小写或大写字母，特殊字符。@H_403_1@
如果想设置简单密码，如下操作：@H_403_1@
首先，修改validate_password_policy参数的值@H_403_1@
MysqL> set global validate_password_policy=0; #定义复杂度@H_403_1@
MysqL> set global validate_password_length=1; #定义长度 默认是8@H_403_1@
MysqL>set password for 'root'@'localhost'=password('123456'); #设置root密码为123456@H_403_1@
