Centos mysql-5.7.26一键安装脚本

tar包，shell百度云盘链接

链接：https://pan.baidu.com/s/19L5O0bR69HldSxoiDTgzcQ 提取码：i6a4  

安装脚本如下

可参考https://blog.csdn.net/rzhidong/article/details/78432119

[code]#!/bin/bash
# write by luozhidong
# date: 20190610
# description：默认路径为/usr/local，若要变更则修改MYSQL_HOME
# mysql包为：mysql-5.7.26-linux-glibc2.12-x86_64.tar.gz
MYSQL_HOME='/usr/local'
#my-default.cnf参数检查
checkCNF(){
BASEDIR=$(cat $MYSQL_HOME/mysql/support-files/my-default.cnf |grep -v "#"|grep basedir)
if [[ $(echo $BASEDIR|awk -F '=' '{print $2}')  != $MYSQL_HOME/mysql ]];then
sed -i "s|$BASEDIR|basedir = $MYSQL_HOME/mysql|g" $MYSQL_HOME/mysql/support-files/my-default.cnf
fi
DATADIR=$(cat $MYSQL_HOME/mysql/support-files/my-default.cnf |grep -v "#"|grep datadir)
if [[ $(echo $DATADIR|awk -F '=' '{print $2}') != $MYSQL_HOME/mysql/data ]];then
sed -i "s|$DATADIR|datadir = $MYSQL_HOME/mysql/data|g" $MYSQL_HOME/mysql/support-files/my-default.cnf
fi
LOGDIR=$(cat $MYSQL_HOME/mysql/support-files/my-default.cnf |grep -v "#"|grep log)
if [[ $(echo $LOGDIR|awk -F '=' '{print $2}') != $MYSQL_HOME/mysql/log/mysqld.log ]];then
sed -i "s|$LOGDIR|log-error = $MYSQL_HOME/mysql/log/mysqld.log|g" $MYSQL_HOME/mysql/support-files/my-default.cnf
fi
PIDDIR=$(cat $MYSQL_HOME/mysql/support-files/my-default.cnf |grep -v "#"|grep pid)
if [[ $(echo $PIDDIR|awk -F '=' '{print $2}') != $MYSQL_HOME/mysql/run/mysqld.pid ]];then
sed -i "s|$PIDDIR|pid-file = $MYSQL_HOME/mysql/run/mysqld.pid|g" $MYSQL_HOME/mysql/support-files/my-default.cnf
fi
}
#检查其他库文件并删除
if [[ -n $(rpm -qa | grep mysql) ]];then
rpm -qa | grep mysql|awk '{print $0}'|xargs rpm -e --nodeps
fi
#检查mysql组
if [[ -z $(cat /etc/group|grep mysql) ]];then
groupadd mysql
fi
#检查mysql用户
if [[ -z $(cat /etc/passwd | grep mysql) ]];then
useradd -r -g mysql mysql
fi
id mysql
CHECK=$(ls $MYSQL_HOME |grep mysql)
if [[ -z $CHECK ]];then
#解压
TARPATH=$(find . -name 'mysql*linux*.tar.gz')
tar  -zvxf $TARPATH -C $MYSQL_HOME
mv $MYSQL_HOME/$(ls $MYSQL_HOME |grep mysql) $MYSQL_HOME/mysql
mkdir -p $MYSQL_HOME/mysql/data $MYSQL_HOME/mysql/log $MYSQL_HOME/mysql/run
touch $MYSQL_HOME/mysql/log/mysqld.log
touch  $MYSQL_HOME/mysql/run/mysqld.pid
#复制
CNFPATH=$(find . -name 'my-default.cnf')
cp $CNFPATH $MYSQL_HOME/mysql/support-files
#参数检查
checkCNF
#复制到etc
cp $(find $MYSQL_HOME/mysql/ -name "my-default.cnf") /etc/my.cnf
cp $(find $MYSQL_HOME/mysql/ -name "mysql.server") /etc/init.d/mysqld
chown -R mysql:mysql $MYSQL_HOME/mysql/
#环境变量
echo "export PATH=$MYSQL_HOME/mysql/bin:\$PATH" >> /etc/profile
source /etc/profile
#执行安装
$MYSQL_HOME/mysql/bin/mysqld_safe --initialize --user=mysql --basedir=$MYSQL_HOME/mysql --datadir=$MYSQL_HOME/mysql/data
#$MYSQL_HOME/mysql/bin/mysqld --initialize --user=mysql --basedir=$MYSQL_HOME/mysql --datadir=$MYSQL_HOME/mysql/data
#$MYSQL_HOME/mysql/bin/mysqld_safe --user=mysql &
#自启动
chkconfig --add mysqld
#临时密码
#cat /var/log/mysqld.log |grep "temporary password"|awk -F':' '{print $4}'
cat $MYSQL_HOME/mysql/log/mysqld.log |grep "temporary password"|awk -F'for' '{print $2}' > passwd.txt
echo "temporary password: " $(cat $(find . -name 'passwd.txt'))
fi

my-default.cnf如下

[code]# For advice on how to change settings please see
# http://dev.mysql.com/doc/refman/5.7/en/server-configuration-defaults.html
# *** DO NOT EDIT THIS FILE. It's a template which will be copied to the
# *** default location during install, and will be replaced if you
# *** upgrade to a newer version of MySQL.
[mysql]
# 设置mysql客户端默认字符集
default-character-set=utf8

[mysqld]
#log-bin=mysql-bin

[mysqld_safe]
log-error = /usr/local/mysql/log/mysqld.log
pid-file = /usr/local/mysql/run/mysqld.pid

# Remove leading # and set to the amount of RAM for the most important data
# cache in MySQL. Start at 70% of total RAM for dedicated server, else 10%.
# innodb_buffer_pool_size = 128M

# Remove leading # to turn on a very important data integrity option: logging
# changes to the binary log between backups.
# log_bin

# These are commonly set, remove the # and set as required.
basedir = /usr/local/mysql
datadir = /usr/local/mysql/data
port = 3306
# server_id = .....
# socket = .....

# Remove leading # to set options mainly useful for reporting servers.
# The server defaults are faster for transactions and fast SELECTs.
# Adjust sizes as needed, experiment to find the optimal values.
# join_buffer_size = 128M
# sort_buffer_size = 2M
# read_rnd_buffer_size = 2M?

# 服务端使用的字符集默认为8比特编码的latin1字符集
character-set-server=utf8

# 取消密码验证
#skip-grant-tables

sql_mode=NO_ENGINE_SUBSTITUTION,STRICT_TRANS_TABLES