diff --git a/etc/systemd/system/x11vnc.service b/etc/systemd/system/x11vnc.service
index f8b2ec6..1dfe5d7 100644
--- a/etc/systemd/system/x11vnc.service
+++ b/etc/systemd/system/x11vnc.service
@@ -5,8 +5,7 @@ After=graphical.target
 
 [Service]
 Type=simple
-User=kan
-ExecStart=/usr/bin/x11vnc -noxdamage -rfbauth /home/kan/.vnc/passwd -display :0 -forever
+ExecStart=/usr/bin/x11vnc -noxdamage -rfbauth /var/run/vnc/passwd -display :0 -forever
 Restart=on-failure
 
 [Install]
diff --git a/home/user/.config/i3/config b/home/user/.config/i3/config
index 6b129f1..16625fb 100644
--- a/home/user/.config/i3/config
+++ b/home/user/.config/i3/config
@@ -221,9 +221,9 @@ exec --no-startup-id feh --randomize --no-fehbg --bg-scale $HOME/.wallpaper/*
 # default workspaces for monitors in setup
 workspace $ws1 output primary
 workspace $ws2 output primary
+workspace $ws3 output primary
 workspace $ws9 output $SecMon
 workspace $ws10 output $SecMon
-exec --no-startup-id i3-msg 'workspace $ws1; exec firefox'
 
 workspace hide1 output primary
 workspace hide2 output $SecMon
diff --git a/install b/install
index 73cb698..ded4b7e 100755
--- a/install
+++ b/install
@@ -1,9 +1,14 @@
 #!/bin/bash
 
+set -u
+
+readonly SANDBOX_PATH
 SANDBOX_PATH="/tmp/.dotfiles-install-$(date +%H-%M-%s)"
+
+readonly TARGET_PATH
 TARGET_PATH="$HOME"
 
-
+readonly SUB
 SUB="$(pwd)/home/user"
 
 
@@ -47,7 +52,8 @@ _link_files_in_sandbox() {
 }
 
 _compare_sandbox_to_home() {
-    local comparisons="$(diff -rq "$SANDBOX_PATH" "$TARGET_PATH")"
+    local comparisons
+    comparisons="$(diff -rq "$SANDBOX_PATH" "$TARGET_PATH")"
     echo "$comparisons" | grep -vE "^Only in .+"
 }
 
@@ -149,7 +155,8 @@ cmd_bat() {
 }
 
 cmd_ipython() {
-    local sub=".ipython"
+    local sub
+    sub=".ipython"
 
     _die_if_installed "$HOME/$sub"
 
@@ -158,7 +165,8 @@ cmd_ipython() {
 }
 
 cmd_font() {
-    local sub="$HOME/.local/share/fonts"
+    local sub
+    sub="$HOME/.local/share/fonts"
 
     mkdir -p "$sub"
     cd "$sub"