diff --git a/node/.config/profile/env.d/node.env b/node/.config/profile/env.d/node.env
index febb293..5191816 100644
--- a/node/.config/profile/env.d/node.env
+++ b/node/.config/profile/env.d/node.env
@@ -1,2 +1,4 @@
+# shellcheck shell=bash
+#ft=sh
 # shellcheck disable=SC2034
 NPM_CONFIG_USERCONFIG="${XDG_CONFIG_HOME}/npm/npmrc"
diff --git a/node/.local/bin/install-node-home b/node/.local/bin/install-node-home
index fad571d..5c05fec 100755
--- a/node/.local/bin/install-node-home
+++ b/node/.local/bin/install-node-home
@@ -3,41 +3,14 @@
 set -e
 
 # shellcheck disable=SC1090
-source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+source "${XDG_DATA_HOME}/buddy-up/includes/node.sh"
 
-get_arch () {
-    case $(uname -m) in
-        x86_64*)    echo x64;;
-        amd64*)     echo x64;;
-        arm)        echo armv7l;;
-        armv7*)     echo armv7l;;
-        armv6*)     echo armv7l;;
-        armv8*)     echo arm64;;
-        aarch64*)   echo arm64;;
-        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-    esac
-}
-
-VERSION=${VERSION:-v14.17.3}
 DEST="${XDG_DATA_HOME}/apps/releases/node"
 CURRENT="${DEST}/current"
-URL=https://nodejs.org/dist/${VERSION}/node-${VERSION}-$(get_os)-$(get_arch).tar.xz
 
 extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1"
 set_current_link "${DEST}" "${VERSION}"
 
-set_symlink () {
-    local src="$1"
-    local dest="$2"
-    dest_dir=$(dirname "${dest}")
-
-    mkdir_if_missing "${dest_dir}"
-    pushd "${dest_dir}" > /dev/null || exit 1
-    unlink_if_set "${dest}"
-    ln -s "$(relative_path "${dest_dir}" "${src}")" "$(basename "${dest}")"
-    popd > /dev/null || exit 1
-}
-
 for app in "${CURRENT}"/bin/*; do
     set_symlink "${CURRENT}/bin/${app}" "${XDG_BIN_HOME}/${app}"
 done
diff --git a/node/.local/bin/install-node-system b/node/.local/bin/install-node-system
index dc2da43..7a2e58f 100755
--- a/node/.local/bin/install-node-system
+++ b/node/.local/bin/install-node-system
@@ -1,54 +1,20 @@
 #!/usr/bin/env bash
 
-NODE_VERSION=${NODE_VERSION:-v14.15.3}
-PREFIX_DIR=${PREFIX_DIR:-/usr/local}
+# shellcheck disable=SC1090
+source "${XDG_DATA_HOME}/buddy-up/includes/node.sh"
 
-BIN_DIR=${PREFIX_DIR}/bin
-NODE_PREFIX_DIR=${PREFIX_DIR}/apps/node
-NODE_DEST_DIR=${NODE_PREFIX_DIR}/${NODE_VERSION}
-NODE_DEST_BIN_DIR=${NODE_DEST_DIR}/bin
-NODE_CURRENT=${NODE_PREFIX_DIR}/current
+PREFIX=${PREFIX:-/usr/local}
+DEST="${PREFIX}/apps/releases/node"
+CURRENT="${DEST}/current"
 
-OS=
-ARCH=
-case $(uname -s) in
-    Linux*)     OS=linux;;
-    Darwin*)    OS=darwin;;
-    *)          >&2 echo "unsupported os"; return;
-esac
+extract_tarball "${URL}" "${DEST}/${VERSION}" "--strip-components 1" "sudo"
+set_current_link "${DEST}" "${VERSION}" "sudo"
 
-case $(uname -m) in
-    x86_64*)    ARCH=x64;;
-    *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
-esac
-
-[[ -d "${NODE_DEST_DIR}" ]] || sudo mkdir -p "${NODE_DEST_DIR}"
-
-URL=https://nodejs.org/dist/${NODE_VERSION}/node-${NODE_VERSION}-${OS}-${ARCH}.tar.xz
-
-TMP_DIR=
-if [[ ! -d ${NODE_DEST_BIN_DIR} ]]; then
-    TMP_DIR=$(mktemp --directory)
-    DEST_FILE=$TMP_DIR/node.tar.xz
-    echo downloading node "$NODE_VERSION" to temp directory "${TMP_DIR}"
-    curl --silent --output "${DEST_FILE}" "${URL}"
-
-    sudo tar xf "${DEST_FILE}" --directory "${NODE_DEST_DIR}" --strip-components 1
-    sudo chown --recursive root:root "${NODE_DEST_DIR}"
-else
-    echo node "$NODE_VERSION" already installed
-fi
-
-cd "${NODE_PREFIX_DIR}" || exit 1
-[[ -s current ]] && sudo unlink current
-sudo ln --symbolic "${NODE_VERSION}" current
-echo current version set to "${NODE_VERSION}"
-cd "${BIN_DIR}" || exit 1
-for bin in "${NODE_CURRENT}/bin/"*; do
-    [[ -s $bin ]] || sudo ln --symbolic "${NODE_CURRENT}/bin/$bin"
+for app in "${CURRENT}"/bin/*; do
+    set_symlink "${CURRENT}/bin/${app}" "${XDG_BIN_HOME}/${app}" sudo
 done
 
-if [[ $TMP_DIR != "" ]]; then
-    rm -rf "${TMP_DIR}"
-    echo removed up temp directory "${TMP_DIR}"
-fi
+set_symlink "${CURRENT}/include/node"          "${PREFIX}/include/node" sudo
+set_symlink "${CURRENT}/share/doc/node"        "${CURRENT}/share/doc/node" sudo
+set_symlink "${CURRENT}/share/man/man1/node.1" "${CURRENT}/share/man/man1/node.1" sudo
+set_symlink "${CURRENT}/share/systemtap/tapset/node.stp" "${CURRENT}/share/systemtap/tapset/node.stp" sudo
diff --git a/node/.local/share/buddy-up/includes/node.sh b/node/.local/share/buddy-up/includes/node.sh
new file mode 100644
index 0000000..fb3a384
--- /dev/null
+++ b/node/.local/share/buddy-up/includes/node.sh
@@ -0,0 +1,34 @@
+#!/usr/bin/env bash
+
+# shellcheck disable=SC1090
+source "${XDG_DATA_HOME}/buddy-up/includes/utils.sh"
+
+get_arch () {
+    case $(uname -m) in
+        x86_64*)    echo x64;;
+        amd64*)     echo x64;;
+        arm)        echo armv7l;;
+        armv7*)     echo armv7l;;
+        armv6*)     echo armv7l;;
+        armv8*)     echo arm64;;
+        aarch64*)   echo arm64;;
+        *)          >&2 echo "unsupported architecture: $(uname -m)"; exit 1;;
+    esac
+}
+
+set_symlink () {
+    src="$1"
+    dest="$2"
+    sudo="$3"
+    dest_dir=$(dirname "${dest}")
+
+    mkdir_if_missing "${dest_dir}"
+    pushd "${dest_dir}" > /dev/null || exit 1
+    unlink_if_set "${dest}" "${sudo}"
+    $sudo ln -s "$(relative_path "${dest_dir}" "${src}")" "$(basename "${dest}")"
+    popd > /dev/null || exit 1
+}
+
+VERSION=${VERSION:-v14.17.3}
+# shellcheck disable=SC2034
+URL=https://nodejs.org/dist/${VERSION}/node-${VERSION}-$(get_os)-$(get_arch).tar.xz