centos7安装mysql5.7

centos7安装mysql5.7

1. 下载 MySQL yum包

wget http://repo.mysql.com/mysql57-community-release-el7-10.noarch.rpm

2.安装MySQL源

rpm -Uvh mysql57-community-release-el7-10.noarch.rpm

3.安装MySQL服务端,

yum install -y mysql-community-server

(假设出现报错如下:

mysql-community-libs-compat-5.7.37-1.el7.x86_64.rpm 的公钥尚未安装

失败的软件包是:mysql-co优质源码网点我wcqh.cnmmunity-libs-compat-5.7.37-1.el7.x86_64

GPG  密钥配置为:file:///etc/pki/rpm-gpg/RPM-GPG-KEY-mysql

解决方法:

rpm –import https://repo.mysql.com/RPM-GPG-KEY-mysql-2022

再次输入yum install mysql-server安装即可成功)

4.启动MySQL

systemctl start mysqld.service

5.检查是否启动成功

systemctl status mysqld.service

6.获取临时密码,MySQL5.7为root用户随机生成了一个密优质源码网点我wcqh.cn

grep temporary password /var/log/mysqld.log

7.通过临时密码登录MySQL,进行修改密码操作

mysql -uroot -p

使用临时密码登录后,不能进行其他的操作,否则会报错,这时候我们进行修改密码操作

8.因为MySQL的密码规则需要很复杂,我们一般自己设置的不会设置成这样,所以我们全局修改一下

mysql> set global validate_password_policy=0;

mysql> set global validate_password_length=1;

这时候我们就可以自己设置想要的密码了

ALTER USER root@localho优质源码网点我wcqh.cnst IDENTIFIED BY yourpassword;

9.授权其他机器远程登录

GRANT ALL PRIVILEGES ON *.* TO root@% IDENTIFIED BY yourpassword WITH GRANT OPTION;

FLUSH PRIVILEGES;

10.开启开机自启动

先退出mysql命令行,然后输入以下命令

systemctl enable mysqld

systemctl daemon-reload

11.设置MySQL的字符集为UTF-8,令其支持中文

vim /etc/my.cnf

复制

改成如下,然后保存

# For advice on how to change优质源码网点我wcqh.cn settings please see

# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html

[mysql]

default-character-set=utf8

[mysqld]

datadir=/var/lib/mysql

socket=/var/lib/mysql/mysql.sock

default-storage-engine=INNODB

character_set_server=utf8

symbolic-links=0

log-error=/var/log/mysqld.log

pid-file=/v优质源码网点我wcqh.cnar/run/mysqld/mysqld.pid

12.重启一下MySQL,令配置生效

service mysqld restart

13.防火墙开放3306端口

firewall-cmd –state

firewall-cmd –zone=public –add-port=3306/tcp –permanent

firewall-cmd –reload

14.卸载MySQL仓库

一开始的时候我们安装的yum,每次yum操作都会更新一次,耗费时间,我们把他卸载掉

rpm -qa | grep mysql

yum -y remove mysql57-community-release-el7-10.noa优质源码网点我wcqh.cnrch

15.数据库的操作

(1)查看mysql是否启动:service mysqld status

启动mysql:service mysqld start

停止mysql:service mysqld stop

重启mysql:service mysqld restart

(2)查看临时密码:grep password /var/log/mysqld.log

作者最新博文
2022-02-17 14:21:26

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