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#/bin/bash# mysql install for linux # date: 2017-03-03 Author:Zhengwei OS:CentOS6 mysql:5.7.14 # copy to linux # if /usr/local/mysql  existsd=`date +%Y%m%d`if [ -e /usr/local/mysql ]   then    mv /usr/local/mysql mysql'$d'.bak    #rm -rf mysql*fiif [ -d /opt/mysql ]    then    echo "mysql is exists!"             rm -rf /opt        mkdir -p /opt/mysqlfiif [ -f /tools/mysql*tar.gz ]   then     cd /opt/mysql/     tar -zxvf /tools/mysql*tar.gz     mv mysql-5.7.14-linux-glibc2.5-x86_64/ mysql-5.7.14   else      echo "the mysql install package is not exists"ficd /usr/local/ln -s /opt/mysql/mysql-5.7.14 /usr/local/mysql# create mysql useruser=mysqlgroup=mysql#create group if not exists  egrep "^$group" /etc/group >& /dev/nullif [ $? -ne 0 ]then    groupadd $group    echo "$group create successful!!"else    echo "$group  group is exists!"     fi#create user if not exists  egrep "^$user" /etc/passwd >& /dev/nullif [ $? -ne 0 ]then    useradd -M -g $group -s /sbin/nologin -d /usr/local/mysql $user    echo "$user create successful!!"     mysqlpath='export PATH=/usr/local/mysql/bin:$PATH'     echo $mysqlpath  >> /root/.bash_profile     source /root/.bash_profileelse    echo "$user user is exists!"fi#create dirctory#d=`date +%Y%m%d`if [ -d /data ]then    echo "data is exists"    cd  /    mv  data data"$d".bak    mkdir -p /data/mysql    mkdir -p /data/mysql/mysql_3306    cd /data/mysql/mysql_3306/    mkdir data    mkdir logs    mkdir tmp    chown -R mysql:mysql /data/mysql/mysql_3306 else    mkdir -p /data/mysql    mkdir -p /data/mysql/mysql_3306    cd /data/mysql/mysql_3306/    mkdir data    mkdir logs    mkdir tmp    chown -R mysql:mysql /data/mysql/mysql_3306fi#my.cnfcd /usr/local/mysql/./bin/mysqld --initializeif [ -f /usr/local/mysql/support-files/mysql.server ]   then   rm -f /etc/init.d/mysql/mysql.server   cp  /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqlelse   cp  /usr/local/mysql/support-files/mysql.server /etc/init.d/mysqlfiif [ -f /usr/local/mysql/support-files/mysql.server ]   then    service mysql restart    echo "mysql start successful"else    echo "mysql start failed"fi# print passwordp1=`sed -n '/temporary password/p'  /data/mysql/mysql_3306/data/error.log|awk -F ':' '{print $4}'`echo "your password is:$p1"

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