Update domainjoin.sh

domainjoin.sh

@@ -9,11 +9,11 @@ if [ -f /etc/debian_version ]; then
     wget -O - http://repo.pbis.beyondtrust.com/apt/RPM-GPG-KEY-pbis | apt-key add - 
     wget -O /etc/apt/sources.list.d/pbiso.list http://repo.pbis.beyondtrust.com/apt/pbiso.list 
     apt update
-    apt install -y pbis-open
+    apt install -y pbis-open sudo
 elif [ -f /etc/redhat-release ]; then
     wget -O /etc/yum.repos.d/pbiso.repo http://repo.pbis.beyondtrust.com/yum/pbiso.repo
     yum clean all
-    yum install pbis-open
+    yum install pbis-open sudo
 else
     echo "Unable to determine linux distro"
     exit