fix incorrect error codes

install.sh

@@ -13,42 +13,42 @@ fi
 cd /root/
 # yum update
 yum -y update > logs/additional.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "yum failed to update, see logs/yum.log for more info"
-	exit 0
+	exit 1
 fi
 # get epel-release
 yum -y install epel-release >> logs/additional.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "yum failed to install epel-release, see logs/yum.log for more info"
-	exit 0
+	exit 1
 fi
 # install dependencies
 yum -y install vim nano gcc wget nginx libsqlite3x-devel.x86_64 postgresql-server postgresql-devel postgresql-contrib bzip2-devel zlib-devel libffi-devel openssl-devel policycoreutils-python.x86_64 0:2.5-22.el7 >> logs/additional.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "yum failed to install a dependency, see logs/yum.log for more info"
-	exit 0
+	exit 1
 fi
 # set firewall
 firewall-cmd --zone=public --add-port=80/tcp --permanent > logs/firewall.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "firewall failed to update port 80 correctly, see logs/firewall.log for more info"
-	exit 0
+	exit 1
 fi
 firewall-cmd --zone=public --add-port=443/tcp --permanent >> logs/firewall.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "firewall failed to update port 443 correctly, see logs/firewall.log for more info"
-	exit 0
+	exit 1
 fi
 firewall-cmd --reload >> logs/firewall.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "firewall failed to reload, see logs/yum.log for more info"
-	exit 0
+	exit 1
 fi
 semanage permissive -a httpd_t >> logs/firewall.log
-if [ $? -ne 1 ] ; then
+if [ $? -ne 0 ] ; then
 	echo "semanage failed to set permissive, see logs/firewall.log for more info"
-	exit 0
+	exit 1
 fi
 
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