diff --git a/roles/tmux.nix b/roles/tmux.nix
new file mode 100644
index 0000000..b3c265d
--- /dev/null
+++ b/roles/tmux.nix
@@ -0,0 +1,57 @@
+# Common configuration for Tmux users
+
+{ config, pkgs, ... }:
+
+{
+
+  programs = {
+    tmux = {   # Terminal multiplexer required by byobu
+      enable = true;
+      aggressiveResize = true;
+      clock24 = true;
+      extraTmuxConf = ''
+        POWERLINE_COMMAND="/run/current-system/sw/bin/powerline"
+        POWERLINE_CONFIG_COMMAND="/run/current-system/sw/bin/powerline-config"
+        run-shell "/run/current-system/sw/bin/powerline-daemon -q"
+        source /run/current-system/sw/share/tmux/powerline.conf
+
+        #### COLOUR (Solarized dark)
+
+        # default statusbar colors
+        set-option -g status-style fg=yellow,bg=black #yellow and base02
+
+        # default window title colors
+        set-window-option -g window-status-style fg=brightblue,bg=default #base0 and default
+        #set-window-option -g window-status-style dim
+
+        # active window title colors
+        set-window-option -g window-status-current-style fg=brightred,bg=default #orange and default
+        #set-window-option -g window-status-current-style bright
+
+        # pane border
+        set-option -g pane-border-style fg=black #base02
+        set-option -g pane-active-border-style fg=brightgreen #base01
+
+        # message text
+        set-option -g message-style fg=brightred,bg=black #orange and base01
+
+        # pane number display
+        set-option -g display-panes-active-colour blue #blue
+        set-option -g display-panes-colour brightred #orange
+
+        # clock
+        set-window-option -g clock-mode-colour green #green
+
+        # bell
+        set-window-option -g window-status-bell-style fg=black,bg=red #base02, red
+      '';
+      terminal = "screen-256color";
+    };
+  };
+
+  environment.systemPackages = with pkgs; [
+    python36Packages.powerline    # Prompt enhacer
+    tmux
+  ];
+
+}