centos6安装mysql8 shell脚本

下载mysql安装包：

wget https://dev.mysql.com/get/Downloads/MySQL-8.0/mysql-8.0.11-linux-glibc2.12-x86-64.tar.gz

解压并移动到/usr/local/mysql目录

tar zxvf mysql-8.0.-linux-glibc2.-x86_64.tar.gz
mv mysql-8.0.-linux-glibc2.-x86_64 /usr/local/mysql

执行脚本

sh -x MySQL8_Install.sh

脚本内容：

##################################################
#mysql_install.sh                                 #
#initialize the Linux system to deploy lnmp       #
#// :                                 #
#kangjie                                          #
##################################################
#!/bin/sh
LOG_PATH=/home/initlog
LOG_FILE=$LOG_PATH/mysql_install.log
MYSQL_BASEDIR=/usr/local/mysql
MYSQL_DATA=/usr/local/mysql/data
MYSQL_POS=/home/pack
i=
[ ! -d $LOG_PATH ] && mkdir -p $LOG_PATH
[ ! -d $MYSQL_BASEDIR ] && mkdir -p $MYSQL_BASEDIR
[ ! -d $MYSQL_DATA ] && mkdir -p ${MYSQL_DATA}
[ ! -d $MYSQL_POS ] && mkdir -p $MYSQL_POS
#mysql5.5.32
#check
function check(){
    if [ $? !=  ]
            then
                echo "\\\-Install $1 Failed!!!-///" >> $LOG_FILE
            else
                echo "--Install $1 Success--" >> $LOG_FILE
    fi
}

#cmake
function prepare(){
    yum install cmake gcc gcc-c++ gcc-g77 autoconf automake zlib* fiex* libxml*  ncurses-devel libmcrypt* libtool-ltdl-devel* make -y
    check libs

#useradd

groupadd mysql
useradd mysql -s /bin/nologin -M -g mysql
check groupadd-useradd

#mkdir
chown -R mysql.mysql /usr/local/mysql/data
check chown-mysql

}

#prepare success

#my.cnf
function mycnf(){
cat >>/etc/my.cnf<<EOF
[client]

port = 

socket = $MYSQL_DATA/mysql.sock

[mysqld]

port = 

socket = $MYSQL_DATA/mysql.sock

basedir = $MYSQL_BASEDIR

datadir = $MYSQL_DATA

skip-external-locking

key_buffer_size = 16M

max_allowed_packet = 20M

table_open_cache = 

sort_buffer_size = 512K

net_buffer_length = 8K

read_buffer_size = 256K

read_rnd_buffer_size = 512K

myisam_sort_buffer_size = 8M

skip-name-resolve

log-bin=mysql-bin

binlog_format=mixed

max_binlog_size = 500M

server-id = 

[mysqld_safe]

log-error=$MYSQL_DATA/mysql.err

pid-file=$MYSQL_DATA/mysql.pid

[mysqldump]

quick

max_allowed_packet = 16M

[mysql]

no-auto-rehash

[myisamchk]

key_buffer_size = 20M

sort_buffer_size = 20M

read_buffer = 2M

write_buffer = 2M

[mysqlhotcopy]

interactive-timeout

EOF
}
#init
function init(){
    $MYSQL_BASEDIR/bin/mysqld --initialize --basedir=$MYSQL_BASEDIR --datadir=$MYSQL_DATA --user=mysql
    cp $MYSQL_BASEDIR/support-files/mysql.server   /etc/init.d/mysqld
    chmod +x /etc/init.d/mysqld
    chkconfig --add mysqld
    chkconfig  mysqld on

}

#main
function main(){
    prepare
    mycnf
    check mycnf
    echo "export PATH=$MYSQL_BASEDIR/bin:$PATH" >> /etc/profile.d/mysql.sh
    source /etc/profile
    init
    /etc/init.d/mysqld start
    check mysql_start
}

main