diff --git a/install.sh b/install.sh
index 6a47387..0c613c7 100644
--- a/install.sh
+++ b/install.sh
@@ -33,6 +33,8 @@ NO_FAIL2BAN="nope"
 OS="unsupported"
 ARCH=""
 SETUP_FILE=""
+my_tmp=$(mktemp -d)
+export my_tmp
 
 clear
 
@@ -179,13 +181,13 @@ fi
 
 INSTALL_DEPS_FILE="setup-deps-${SETUP_FILE}.bash"
 INSTALL_FILE="setup-node-${SETUP_FILE}.bash"
-if [ ! -e "/tmp/${INSTALL_FILE}" ]; then
+if [ ! -e "$my_tmp/${INSTALL_FILE}" ]; then
   if [ -n "$(type -p curl)" ]; then
     curl --silent -L "${BASE_URL}/${INSTALL_FILE}" \
-      -o "/tmp/${INSTALL_FILE}" || echo 'error downloading os setup script'
+      -o "$my_tmp/${INSTALL_FILE}" || echo 'error downloading os setup script'
   elif [ -n "$(type -p wget)" ]; then
     wget --quiet "${BASE_URL}/${INSTALL_FILE}" \
-      -O "/tmp/${INSTALL_FILE}" || echo 'error downloading os setup script'
+      -O "$my_tmp/${INSTALL_FILE}" || echo 'error downloading os setup script'
   else
     echo "Found neither 'curl' nor 'wget'. Can't Continue."
     exit 1
@@ -193,13 +195,13 @@ if [ ! -e "/tmp/${INSTALL_FILE}" ]; then
 fi
 
 if [ "--dev-deps" == "$deps_flag" ]; then
-  if [ ! -e "/tmp/${INSTALL_DEPS_FILE}" ]; then
+  if [ ! -e "$my_tmp/${INSTALL_DEPS_FILE}" ]; then
     if [ -n "$(type -p curl)" ]; then
       curl --silent -L "${BASE_URL}/${INSTALL_DEPS_FILE}" \
-        -o "/tmp/${INSTALL_DEPS_FILE}" || echo 'error downloading os deps script: '"${BASE_URL}/${INSTALL_DEPS_FILE}"
+        -o "$my_tmp/${INSTALL_DEPS_FILE}" || echo 'error downloading os deps script: '"${BASE_URL}/${INSTALL_DEPS_FILE}"
     elif [ -n "$(type -p wget)" ]; then
       wget --quiet "${BASE_URL}/${INSTALL_DEPS_FILE}" \
-        -O "/tmp/${INSTALL_DEPS_FILE}" || echo 'error downloading os deps script: '"${BASE_URL}/${INSTALL_DEPS_FILE}"
+        -O "$my_tmp/${INSTALL_DEPS_FILE}" || echo 'error downloading os deps script: '"${BASE_URL}/${INSTALL_DEPS_FILE}"
     else
       echo "Found neither 'curl' nor 'wget'. Can't Continue."
       exit 1
@@ -207,14 +209,14 @@ if [ "--dev-deps" == "$deps_flag" ]; then
   fi
 fi
 
-if [ ! -e "/tmp/${INSTALL_FILE}" ]
+if [ ! -e "$my_tmp/${INSTALL_FILE}" ]
 then
   echo "Error Downloading Install File"
   exit 1
 fi
 
 if [ "--dev-deps" == "$deps_flag" ]; then
-  if [ ! -e "/tmp/${INSTALL_DEPS_FILE}" ]
+  if [ ! -e "$my_tmp/${INSTALL_DEPS_FILE}" ]
   then
     echo "Error Downloading Deps File"
     exit 1
@@ -227,10 +229,10 @@ fi
 
 if [ -z "${NODEJS_VER:-}" ]; then
   # For backwards compat
-  if [ -f "/tmp/NODEJS_VER" ]; then
-    NODEJS_VER=$(cat /tmp/NODEJS_VER | grep v)
+  if [ -f "$my_tmp/NODEJS_VER" ]; then
+    NODEJS_VER=$(cat $my_tmp/NODEJS_VER | grep v)
   elif [ -f "/tmp/IOJS_VER" ]; then
-    NODEJS_VER=$(cat /tmp/IOJS_VER | grep v)
+    NODEJS_VER=$(cat $my_tmp/IOJS_VER | grep v)
   fi
 fi
 
@@ -292,10 +294,10 @@ if [ -e "$node_install_path/bin/node" ]; then
 fi
 
 if [ -n "${NODEJS_VER}" ]; then
-  bash "/tmp/${INSTALL_FILE}" "${NODEJS_VER}"
+  bash "$my_tmp/${INSTALL_FILE}" "${NODEJS_VER}"
 fi
 
-$sudo_cmd chown -R $(whoami) $node_install_path/lib/node_modules
+chown -R $(whoami) $node_install_path/lib/node_modules || $sudo_cmd chown -R $(whoami) $node_install_path/lib/node_modules
 
 echo ""
 
@@ -339,7 +341,7 @@ if [ "--dev-deps" == "$deps_flag" ]; then
   #  fi
   #fi
 
-  bash "/tmp/${INSTALL_DEPS_FILE}" "${NO_FAIL2BAN}"
+  bash "$my_tmp/${INSTALL_DEPS_FILE}" "${NO_FAIL2BAN}"
 
   # yarn
   #if [ -z "$(type -p yarn)" ]; then
diff --git a/setup-node-mavericks.bash b/setup-node-mavericks.bash
index f1083e6..cc014ea 100644
--- a/setup-node-mavericks.bash
+++ b/setup-node-mavericks.bash
@@ -4,6 +4,9 @@ set -e
 set -u
 set -o pipefail
 
+if [ -z "${my_tmp-}" ]; then
+  my_tmp=$(mkdir -p)
+fi
 if [ -z "${PREFIX-}" ]; then
   PREFIX=""
 fi
@@ -33,23 +36,25 @@ fi
 #NODEJS_PKG="/tmp/${NODEJS_NAME}-${NODEJS_VER}.pkg"
 
 NODEJS_REMOTE="$NODEJS_BASE_URL/dist/${NODEJS_VER}/${NODEJS_NAME}-${NODEJS_VER}-darwin-x64.tar.gz"
-NODEJS_PKG="/tmp/${NODEJS_NAME}-${NODEJS_VER}-darwin-x64.tar.gz"
-NODEJS_UNTAR="/tmp/${NODEJS_NAME}-${NODEJS_VER}-darwin-x64"
+NODEJS_PKG="$my_tmp/${NODEJS_NAME}-${NODEJS_VER}-darwin-x64.tar.gz"
+NODEJS_UNTAR="$my_tmp/${NODEJS_NAME}-${NODEJS_VER}-darwin-x64"
 
 if [ -n "${NODEJS_VER}" ]; then
   echo "installing ${NODEJS_NAME} as ${NODEJS_NAME} ${NODEJS_VER}..."
   curl -fsSL "${NODEJS_REMOTE}" -o "${NODEJS_PKG}"
-  
+
   # When using .pkg
   #sudo /usr/sbin/installer -pkg "${NODEJS_PKG}" -target /
-  
+
   # When using .tar.gz
   mkdir -p ${NODEJS_UNTAR}/
   tar xf "${NODEJS_PKG}" -C "${NODEJS_UNTAR}/" --strip-components=1
   rm -f ${NODEJS_UNTAR}/{LICENSE,CHANGELOG.md,README.md}
-  sudo rsync -a "${NODEJS_UNTAR}/" "$node_install_path/"
 
-  
-  sudo chown -R $(whoami) "$node_install_path/lib/node_modules/"
-  sudo chown $(whoami) "$node_install_path/bin/"
+  mkdir -p "$node_install_path/" || sudo mkdir -p "$node_install_path/"
+  rsync -a "${NODEJS_UNTAR}/" "$node_install_path/" || sudo rsync -a "${NODEJS_UNTAR}/" "$node_install_path/"
+
+
+  chown -R $(whoami) "$node_install_path/lib/node_modules/" || sudo chown -R $(whoami) "$node_install_path/lib/node_modules/"
+  chown $(whoami) "$node_install_path/bin/" || sudo chown $(whoami) "$node_install_path/bin/"
 fi
diff --git a/setup-node-ubuntu.bash b/setup-node-ubuntu.bash
index 0b23aa1..539eb1d 100644
--- a/setup-node-ubuntu.bash
+++ b/setup-node-ubuntu.bash
@@ -8,6 +8,9 @@ set -e
 set -u
 set -o pipefail
 
+if [ -z "${my_tmp-}" ]; then
+  my_tmp=$(mkdir -p)
+fi
 if [ -z "${PREFIX-}" ]; then
   PREFIX=""
 fi
@@ -46,8 +49,8 @@ else
 fi
 
 NODEJS_REMOTE="${NODEJS_BASE_URL}/dist/${NODEJS_VER}/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH}.tar.gz"
-NODEJS_LOCAL="/tmp/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH}.tar.gz"
-NODEJS_UNTAR="/tmp/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH}"
+NODEJS_LOCAL="$my_tmp/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH}.tar.gz"
+NODEJS_UNTAR="$my_tmp/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH}"
 
 if [ -n "${NODEJS_VER}" ]; then
   echo "installing ${NODEJS_NAME} as ${NODEJS_NAME} ${NODEJS_VER}..."
@@ -58,7 +61,7 @@ if [ -n "${NODEJS_VER}" ]; then
     wget --quiet ${NODEJS_REMOTE} -O ${NODEJS_LOCAL} || echo 'error downloading ${NODEJS_NAME}'
   else
     echo "'wget' and 'curl' are missing. Please run the following command and try again"
-    echo "\tsudo apt-get install --yes curl wget"
+    echo "    sudo apt-get install --yes curl wget"
     exit 1
   fi
 
@@ -69,9 +72,9 @@ if [ -n "${NODEJS_VER}" ]; then
   rm -rf ${NODEJS_UNTAR}/${NODEJS_NAME}-${NODEJS_VER}-linux-${ARCH} # clean up the temporary unzip folder
   rm ${NODEJS_UNTAR}/{LICENSE,CHANGELOG.md,README.md}
   echo $sudo_cmd rsync -a "${NODEJS_UNTAR}/" "$node_install_path/"
-  $sudo_cmd rsync -a "${NODEJS_UNTAR}/" "$node_install_path/"
+  rsync -a "${NODEJS_UNTAR}/" "$node_install_path/" || $sudo_cmd rsync -a "${NODEJS_UNTAR}/" "$node_install_path/"
   rm -rf "${NODEJS_UNTAR}"
 
-  $sudo_cmd chown -R $(whoami) "$node_install_path/lib/node_modules/"
-  $sudo_cmd chown $(whoami) ""$node_install_path"/bin/"
+  chown -R $(whoami) "$node_install_path/lib/node_modules/" || $sudo_cmd chown -R $(whoami) "$node_install_path/lib/node_modules/"
+  chown $(whoami) ""$node_install_path"/bin/" || $sudo_cmd chown $(whoami) ""$node_install_path"/bin/"
 fi