diff --git a/functions.d/devenv b/functions.d/devenv
new file mode 100644
index 0000000..e93826d
--- /dev/null
+++ b/functions.d/devenv
@@ -0,0 +1,18 @@
+#!/bin/bash
+
+function devenv() {
+
+  local status
+
+  # Get LXC container status
+  status=$(lxc info devenv | yq .Status)
+
+  # Start container if not running
+  if [ "${status}" != "RUNNING" ]; then lxc start devenv; fi
+
+  # Rename tmux window if inside tmux
+  if [ -n "$TMUX" ]; then tmux rename-window "devenv"; fi
+
+  # Login as user xavier
+  lxc exec devenv -- login -f xavier
+}