Centos7 离线安装mysql5.7并设置开机自启
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最近需要在Centos7下安装下mysql,直接yum -y install的方法不太好使,就在官网下载了所有的依赖和离线安装包,安装成功,现在记录下流程:
首先进入mysql官网的下载地址:
https://dev.mysql.com/downloads/mysql/,然后在下载里面把os选择为Red Hat Enterprise Linux 7 / Oracle Linux 7 ,把os的版本选择为all。
在下方的下载链接找到以下文件:
mysql-community-client-5.7.19-1.el7.x86_64.rpmmysql-community-common-5.7.19-1.el7.x86_64.rpmmysql-community-devel-5.7.19-1.el7.x86_64.rpmmysql-community-libs-5.7.19-1.el7.x86_64.rpmmysql-community-libs-compat-5.7.19-1.el7.x86_64.rpmmysql-community-server-5.7.19-1.el7.x86_64.rpm
因为我是Centos7 64位版本,所以选择了以上文件,如果你主机是Centos6 或者是32位版本,请找到对应版本文件,然后把六个文件下载齐全。
接下来依次按以下命令按顺序安装这些文件:
rpm -ivh mysql-community-common-5.7.19-1.el7.x86_64.rpm rpm -ivh mysql-community-libs-5.7.19-1.el7.x86_64.rpm rpm -ivh mysql-community-devel-5.7.19-1.el7.x86_64.rpmrpm -ivh mysql-community-libs-compat-5.7.19-1.el7.x86_64.rpmrpm -ivh mysql-community-client-5.7.19-1.el7.x86_64.rpmrpm -ivh mysql-community-server-5.7.19-1.el7.x86_64.rpm
至此,mysql5.7所有文件安装完毕,接下来就是开启服务测试了。
1.首先关闭mysql服务:
service mysqld stop
2.然后修改配置文件:
vim /etc/my.cnf
3.接下来加入一句代码即可空密码登录mysql:
# Disabling symbolic-links is recommended to prevent assorted security risksskip-grant-tables #添加这句话,这时候登入mysql就不需要密码symbolic-links=0
4.开启mysql服务:
service mysqld start
5.空密码登录mysql:
mysql -u root -p #输入命令回车进入,出现输入密码提示直接回车
6.设置mysql密码:
mysql> set password for root@localhost = password('123456');ERROR 1290 (HY000): The MySQL server is running with the --skip-grant-tables option so it cannot execute this statementmysql> flush privileges; #更新权限Query OK, 0 rows affected (0.00 sec)mysql> set password for root@localhost = password('123456'); or update user set authentication_string=PASSWORD("123456") where user="root";Query OK, 0 rows affected, 1 warning (0.00 sec)mysql>flush privileges; #更新权限mysql>quit; #退出service mysqld stop # 停止mysql服务, 恢复mysql配置vim /etc/my.cnf #修改配置文件# Disabling symbolic-links is recommended to prevent assorted security risks# skip-grant-tables # 注释掉这句话symbolic-links=0service mysqld start # 启动mysql服务mysql -uroot -p # 输入新密码登录
7.设置mysql开机自启:
systemctl enable mysqld
参考:centos7 安装mysql5.7及配置:http://www.cnblogs.com/weiok/p/5373270.html
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