diff --git a/util/install.sh b/util/install.sh
index 9af0c203f..ee6ad78af 100755
--- a/util/install.sh
+++ b/util/install.sh
@@ -245,7 +245,7 @@ function linc_switch {
     set +o nounset
 
     sudo apt-get update
-    $install git-core make uml-utilities bridge-utils libpcap-dev libssl-dev libncurses5-dev
+    $install git-core make uml-utilities bridge-utils libpcap-dev libssl-dev libncurses5-dev libcap2-bin
 
     ERL_RELEASE="R15B02"
     ERL_DESTINATION="/usr/local/lib/$ERL_RELEASE"
@@ -774,14 +774,15 @@ function install_erlang {
     ERL_RELEASE_NAME=$ERL_RELEASE
 
     if [ ! `which kerl` ]; then
+        $install curl
         KERL_DESTINATION="/usr/local/bin/kerl"
-        curl -o $KERL_DESTINATION -O https://raw.github.com/spawngrid/kerl/master/kerl
-        chmod a+x $KERL_DESTINATION
+        sudo curl -o $KERL_DESTINATION -O https://raw.github.com/spawngrid/kerl/master/kerl
+        sudo chmod a+x $KERL_DESTINATION
     fi
 
     if [ ! `kerl list builds | grep $ERL_RELEASE` ]; then
         kerl build $ERL_RELEASE $ERL_RELEASE_NAME
-        kerl install $ERL_RELEASE_NAME $ERL_DESTINATION
+        sudo kerl install $ERL_RELEASE_NAME $ERL_DESTINATION
     fi
 }