diff --git a/SysadminTips.page b/SysadminTips.page
index 9d6fed4..0c9646d 100644
--- a/SysadminTips.page
+++ b/SysadminTips.page
@@ -1,3 +1,9 @@
+Enter a namespace, for example LXD (which is in a NS by Snap).
+
+```
+nsenter -t $(cat /var/snap/lxd/common/lxd.pid) -m
+```
+
 SSH into a machine without checking host key. Useful when servers are in a rescue mode.
 
 ~~~