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码
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-reload11.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.sockdefault-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.pid12.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 –reload14.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
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