fix bug

lemp.sh

@@ -10,14 +10,16 @@ if [ -n "`grep 'Aliyun Linux release' /etc/issue`" -o -e /etc/redhat-release ];t
     [ -n "`grep ' 6\.' /etc/redhat-release`" -o -n "`grep 'Aliyun Linux release6 15' /etc/issue`" ] && CentOS_RHEL_version=6
 fi
 
-if ["$OS" == 'CentOS'] || ["$CentOS_RHEL_version" != 6] || ["$CentOS_RHEL_version" != 7];then
+if [ "$OS" != 'CentOS' ] || [ "$CentOS_RHEL_version" != '6' -a "$CentOS_RHEL_version" != '7' ];then
     echo "${CFAILURE}Error: This script only support CentOS 6 & CentOS 7${CEND}";
-    exit 1;
+    kill -9 $$
 fi
 
 if [ `getconf WORD_BIT` == 32 ] && [ `getconf LONG_BIT` == 64 ];then
+    BIT=64
+else
     echo "${CFAILURE}Error: This script only support 64 bit CentOS${CEND}";
-    exit 1;
+    kill -9 $$
 fi
 
 # Init
@@ -27,19 +29,19 @@ sudo yum -y install vim wget epel-release unzip
 
 # Install the Required Repositories
 echo "Installing the Required Repositories..."
-sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-6.rpm
+sudo rpm -Uvh http://rpms.famillecollet.com/enterprise/remi-release-${CentOS_RHEL_version}.rpm
 
 echo "[nginx]
 name=nginx repo
 baseurl=http://nginx.org/packages/centos/\$releasever/\$basearch/
 gpgcheck=0
-enabled=1" >> /etc/yum.repos.d/nginx.repo
+enabled=1" > /etc/yum.repos.d/nginx.repo
 
 echo "[mariadb]
 name = MariaDB
 baseurl = http://yum.mariadb.org/10.1/centos\$releasever-amd64
 gpgkey=https://yum.mariadb.org/RPM-GPG-KEY-MariaDB
-gpgcheck=1" >> /etc/yum.repos.d/mariadb.repo
+gpgcheck=1" > /etc/yum.repos.d/mariadb.repo
 
 # Install MariaDB
 echo "Installing MariaDB..."
@@ -86,7 +88,7 @@ sudo service nginx restart
 # Set Up Autostart
 echo "Setting Autostart..."
 
-if ["$CentOS_RHEL_version" == 6];then
+if [ "$CentOS_RHEL_version" == 6 ];then
     sudo chkconfig --levels 235 mysql on
     sudo chkconfig --levels 235 nginx on
     sudo chkconfig --levels 235 php-fpm on