一键安装CentOS 6/7 MySQL服务器脚本

#!/bin/bash
# developer by wanglin
# date 2016.9.30
# email wll@qq.com

export PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin

clear

printf "
#######################################################################
#                    centos 6/7 mysql_init                            #
#######################################################################
"
# installing gcc gcc-c++...
yum install libmemcached  openssl-devel libcurl-devel gd-devel libxml2-devel libevent cmake -y

yum install lrzsz gcc gcc-c++ make bzip2-devel zip-devel wget locate ntpdate ncurses-devel -y

yum install psmisc libaio rsync gzip zip unzip autoconf python-pip  python-devel  libffi-devel libxml2-devel libxslt-devel -y
#dir
mysql_install_dir=/usr/local/services/mysql
mysql_data_dir=/data/mysql
dbrootpwd=123456
srcroot=/usr/local/src
MEM=`free -m |head -n2|awk '{print $2}'|tail -n1`
#useradd
  id -u mysql >/dev/null 2>&1
  if [ $? -ne 0 ];then
useradd -M -s /sbin/nologin mysql

  fi
  if [ ! -d "${mysql_install_dir}" ];then
  mkdir -p ${mysql_install_dir}
      mkdir -p ${mysql_data_dir}
  chown mysql.mysql -R ${mysql_data_dir}
  fi
  #download
  cd $srcroot
  if [ ! -f mysql-5.6.33.tar.gz ];then   
  wget http://mirrors.sohu.com/mysql/MySQL-5.6/mysql-5.6.33.tar.gz
  tar zxvf mysql-5.6.33.tar.gz
else
  tar zxvf mysql-5.6.33.tar.gz
fi
#install
  cd mysql-5.6.33
    cmake . -DCURSES_LIBRARY=/usr/lib/libncurses.so -DCURSES_INCLUDE_PATH=/usr/include
    cmake . -DCMAKE_INSTALL_PREFIX=${mysql_install_dir} \
    -DMYSQL_DATADIR=${mysql_data_dir} \
    -DSYSCONFDIR=/etc \
    -DWITH_INNOBASE_STORAGE_ENGINE=1 \
    -DWITH_PARTITION_STORAGE_ENGINE=1 \
    -DWITH_FEDERATED_STORAGE_ENGINE=1 \
    -DWITH_BLACKHOLE_STORAGE_ENGINE=1 \
    -DWITH_MYISAM_STORAGE_ENGINE=1 \
    -DWITH_EMBEDDED_SERVER=1 \
    -DENABLE_DTRACE=0 \
    -DENABLED_LOCAL_INFILE=1 \
    -DDEFAULT_CHARSET=utf8mb4 \
    -DDEFAULT_COLLATION=utf8mb4_general_ci \