linux环境下shell一键安装mysql5.7.19（简单暴力）
#!/bin/bash
cd /ijiami/soft/
tar -zxvf mysql-5.7.19-linux-glibc2.12-x86_64.tar.gz
mv mysql-5.7.19-linux-glibc2.12-x86_64 mysql
mv mysql /ijiami
groupadd mysql
useradd -r -g mysql mysql
chown -R mysql:mysql ./
mv /etc/my.cnf /etc/my.cnf.bak
cp /ijiami/soft/my.cnf /etc/my.cnf
mkdir -p /ijiami/mysql/data
cd /ijiami/mysql/
bin/mysqld –initialize –user=mysql –basedir=/ijiami/mysql/ –datadir=/ijiami/mysql/data/ 2>&1 | tee >/home/mysql.log
chown -R root:root ./
chown -R mysql:mysql data
cp support-files/mysql.server /etc/init.d/mysql
chmod 755 /etc/init.d/mysql
chkconfig –level 2345 mysql on
ln -s /ijiami/mysql/bin/mysqladmin /usr/sbin
ln -s /ijiami/mysql/bin/mysql /usr/sbin
service mysql start
echo “———mysql已经安装启动成功———–“
#cat /home/mysql.log | grep \’temporary password\’ | awk \'{print $NF}\’
temppasswd=$(cat /home/mysql.log | grep \’temporary password\’ | awk \'{print $NF}\’)
echo “—-mysql已经安装成功，请在/home/mysql.log查看安装日志详情———“
mysql -uroot -p${temppasswd} –connect-expired-password <<EOF
SET PASSWORD = PASSWORD(\’ijiamidbroot\’);
flush privileges;
use mysql;
update user set host = \’%\’ where user = \’127.0.0.1\’;
grant all privileges on *.* to root@\’%\’ identified by \’ijiamidbroot\’;
flush privileges;
EOF