1.wget 下載資源
wget https://cdn.mysql.com//Downloads/MySQL-8.0/mysql-8.0.15-el7-x86_64.tar.gz
2.解壓
tar -zxvf mysql-8.0.15-el7-x86_64.tar.gz
3.修改文件名,進入bin目錄
mv mysql-8.0.15-el7-x86_64 msyql && cd mysql/bin
4.初始化數據庫
./mysqld --initialize
5 .用root用戶啓動數據庫
./mysqld_safe --user=root &
6.通過err文件找到初始密碼,一般在data目錄下
cat mysql/data/192.168.1.4.err
7.登錄數據庫,修改root密碼遠程登錄
./mysql -uroot -p
ALTER USER 'root'@'localhost' IDENTIFIED BY 'root'; #修改密碼
update user set Host='%' where User='root'; #配置遠程登錄
flush privileges; #刷新權限
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安裝前需要卸載掉自帶的MariaDB
rpm -qa |grep MariaDB
yum remove -y #####
刪除默認的mysql配置文件
mv /etc/my.cnf /etc/bak-my.cnf
如果初始化沒有找到root密碼
關閉mysql
ps -ef |grep mysql |grep -v auto |awk '{print $2}' |xargs kill -9
建立啓動配置文件
touch mysql_ini
echo "ALTER USER 'root'@'localhost' IDENTIFIED BY 'root'; " >mysql_ini
./mysql_safe --user=root --init-file=../mysql_ini &
參考鏈接
https://dev.mysql.com/doc/refman/8.0/en/binary-installation.html
https://dev.mysql.com/doc/refman/8.0/en/resetting-permissions.html