diff --git a/init_priv.sh b/init_priv.sh
index e3527e0..bf01ed2 100755
--- a/init_priv.sh
+++ b/init_priv.sh
@@ -196,6 +196,15 @@ configure_user_oom_killer() {
 
 # ============================================================
 
+if [ $# -ne 0 ]; then
+    for func in $@; do
+        declare -F configure_$func >/dev/null || continue
+        echo "Configuring $func..."
+        eval "configure_$func"
+    done
+    exit 0
+fi
+
 configure_tuna
 configure_upgrade
 configure_install
diff --git a/init_root.sh b/init_root.sh
index 647e5f4..87cc8ff 100755
--- a/init_root.sh
+++ b/init_root.sh
@@ -9,7 +9,7 @@ fi
 
 # ============================================================
 
-. $scriptdir/init_priv.sh
+. $scriptdir/init_priv.sh $@
 
 # ============================================================
 
diff --git a/init_sudo.sh b/init_sudo.sh
index bced45e..b5db62f 100755
--- a/init_sudo.sh
+++ b/init_sudo.sh
@@ -14,7 +14,7 @@ fi
 
 # ============================================================
 
-. $scriptdir/init_priv.sh
+. $scriptdir/init_priv.sh $@
 
 # ============================================================
 
diff --git a/init_user.sh b/init_user.sh
index 8de6c00..3e49229 100755
--- a/init_user.sh
+++ b/init_user.sh
@@ -81,6 +81,15 @@ configure_nodejs() {
 update_file $scriptdir/files/ys-simple.zsh-theme ~/.oh-my-zsh/themes/ys-simple.zsh-theme
 update_authorized_keys
 
+if [ $# -ne 0 ]; then
+    for func in $@; do
+        declare -F configure_$func >/dev/null || continue
+        echo "Configuring $func..."
+        eval "configure_$func"
+    done
+    exit 0
+fi
+
 configure_ssh
 configure_ssh_keygen
 configure_git
diff --git a/run.sh b/run.sh
index 4001c5f..b2534f2 100755
--- a/run.sh
+++ b/run.sh
@@ -14,11 +14,11 @@ cd $scriptdir && git pull
 
 if [ "$(id -u)" -eq 0 ]; then
     echo "Running in root mode."
-    $scriptdir/init_root.sh
+    $scriptdir/init_root.sh $@
 elif [ "$(sudo id -u)" -eq 0 ]; then
     echo "Running in sudo mode."
-    $scriptdir/init_sudo.sh
+    $scriptdir/init_sudo.sh $@
 else
     echo "Running in user mode."
-    $scriptdir/init_user.sh
+    $scriptdir/init_user.sh $@
 fi