centos7.6自动化安装mysql5.5

2021/11/17 19:10:17

本文主要是介绍centos7.6自动化安装mysql5.5,对大家解决编程问题具有一定的参考价值,需要的程序猿们随着小编来一起学习吧!

一、目的

  简化安装mysql的安装过程,局限很大,仅支持centos7.6上安装mysql5.5.60,如果想在其他版本的操作系统安装mysql,请自行修改有关变量。

  如果想了解mysql安装的具体过程,请参考以下链接,写的非常详细!

 https://blog.csdn.net/qq_35197601/article/details/83542498

二、限制性

1、操作系统版本centos7.6

2、mysql的版本mysql5.5.60(mysql安装包:mysql-5.5.60-linux-glibc2.12-x86_64.tar.gz)。

二、脚本内容

1、到mysql官网下载相应版本的mysql包(mysql的包要求和脚本里面的一致,否则请自行修改该变量)

2、上传mysql_install.sh脚本和mysql安装包到/root目录,并执行脚本bash mysql_install.sh,即可! 

#!/bin/bash
#write by huangsonghai,Simplify mysql installation
#V1.0
#2021-11-17

#step1、卸载系统的mariadb,创建mysql账户
echo -e "\033[31m myslq开始自动化安装,安装需要2-3分钟... \033[0m"
rpm -e --nodeps `rpm -qa|grep mariadb`
systemctl stop firewalld.service
systemctl disable firewalld.service
groupadd mysql
useradd -g mysql mysql

#step2、定义变量
package_way=/home/soft
mkdir -p $package_way
mysql_soft=`ls /root |grep mysql-5.5.60`

#step3、解压软件包到指定位置
tar -zxvf /root/$mysql_soft -C $package_way

tmp1=`ls $package_way`
mv $package_way/$tmp1 $package_way/mysql

#step4、开始安装mysql
cp $package_way/mysql/support-files/my-medium.cnf /etc/my.cnf
sed -i '/myisam_sort_buffer_size/a\'basedir=/home/soft/mysql'' /etc/my.cnf
sed -i '/myisam_sort_buffer_size/a\'datadir=/home/soft/mysql/data'' /etc/my.cnf
chown -R mysql:mysql $package_way/mysql/
$package_way/mysql/scripts/mysql_install_db --user=mysql --basedir=/home/soft/mysql/ --datadir=/home/soft/mysql/data/
chown -R mysql:mysql $package_way/mysql/data
chown 777 /etc/my.cnf
cp $package_way/mysql/support-files/mysql.server /etc/rc.d/init.d/mysqld
chmod +x /etc/rc.d/init.d/mysqld
chkconfig --add mysqld
echo "export PATH=$PATH:/home/soft/mysql/bin" >> ~/.bash_profile && source ~/.bash_profile
service mysqld start

#step5、修改mysql信息
echo -e "\033[31m Mysql密码为空,请点击Enter键进入mysql: \033[0m"
mysql -uroot -p -e "
use mysql;
update user set password=password('123456') where user='root' and host='localhost';
flush privileges;
exit
"

#step6、重启mysql
service mysqld restart
service mysqld status
num=`echo $?`
if [ $num -eq 0 ];then
    echo -e "\033[32m mysql install successful \033[0m"
else
    echo -e "\033[32m mysql install not successful,please check! \033[0m"
fi

  



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