tar -xvf mysql-5.7.17-linux-glibc2.5-x86_64.tar.gz

mkdir -p /usr/local/mysql/data
mv mysql-5.7.17-linux-glibc2.5-x86_64/* /usr/local/mysql/

groupadd mysql

useradd -g mysql -d /usr/local/mysql mysql  

chown -R mysql.mysql /usr/local/mysql/

./bin/mysqld --user=mysql --basedir=/usr/local/mysql --datadir=/usr/local/mysql/data --initialize

root@localhost: >HLaOQH;U6L3

cp -a ./support-files/my-default.cnf /etc/my.cnf  #會有一個選擇是否覆蓋原有文件，直接按 y回車選擇是就可以

# These are commonly set, remove the # and set as required.
basedir = /usr/local/mysql
datadir = /usr/localmysql/data
port = 3306
# server_id = .....
socket = /tmp/mysql.sock
character-set-server=utf-8

mysql/support-files/mysql.server restart

cp -a ./support-files/mysql.server /etc/init.d/mysqld

# cp /home/mysql/support-files/mysql.server /etc/init.d/mysqld   # 拷貝啟動文件到/etc/init.d/下并重命令為mysqld
# chmod 755 /etc/init.d/mysqld                   # 增加執(zhí)行權(quán)限
# chkconfig --list mysqld                      # 檢查自啟動項列表中沒有mysqld這個，
# chkconfig --add mysqld                      # 如果沒有就添加mysqld：
# chkconfig mysqld on                        # 用這個命令設(shè)置開機啟動：

# ln -s /home/mysql/bin/mysql /usr/bin/mysql

# service mysqld start                        # 啟動服務(wù)
# service mysqld restart                       # 重啟服務(wù)
# service mysqld stop                        # 停止服務(wù)

./bin/mysqladmin -u root -p 或者 mysql -u root -p

>HLaOQH;U6L3

mysql> SET PASSWORD = PASSWORD('123456'); 

find / -name mysql.sock

show variables like 'character%'; # 查詢編碼
SET character_set_database = utf8;           ----設(shè)置編碼

1)mysql> grant all privileges on *.* to 'root'@'%' identified by '123456';
2)grant all on *.* to 'root'@'%' identified by '123456';