#/bin/bash
function hasDpkg
{
r=`dpkg -l | grep "$1"`
if [ -n "$r" ]
then
h=`dpkg -l | grep "ii $1"`
if [ -n "$h" ]
then
return 1
else
return 0
fi
else
return 0
fi
}

mysql="mysql-server-5.5"

hasDpkg $mysql

r=$?

if [ $r -eq 1 ]
then
:
# echo "$mysql was installed"
else
echo "$mysql was not installed"
echo mysql-server mysql-server/root_password password adv | sudo debconf-set-selections
echo mysql-server mysql-server/root_password_again password adv | sudo debconf-set-selections //设定root 用户及其密码
apt-get install $mysql
fi

#/bin/bash
function hasinstall
{
r=$(rpm -qa "$1")
if [ $r ]
then
return 1
else
return 0
fi
}

mysql="mysql-server"

hasinstall $mysql

r=$?

if [ $r -eq 1 ]
then
:
echo "$mysql was installed"
else
echo "$mysql was not installed"
yum install mysql mysql-server mysql-devel
service mysqld start
fi
#add User to Mysql database
echo "INFORM:Enter database root password"
mysql -uroot -p -hlocalhost