diff --git a/doc/ariane.md b/doc/ariane.md
index 5122536..8e25175 100644
--- a/doc/ariane.md
+++ b/doc/ariane.md
@@ -129,3 +129,9 @@ mdadm --misc --detail /dev/md0
 echo check > /sys/block/md0/md/sync_action
 watch -n 0.1 cat /proc/mdstat
 ```
+## Shutdown System
+```shell
+# stop all LXC containers
+zfs_mount.sh unmount
+halt -p
+```
diff --git a/doc/lxc.md b/doc/lxc.md
new file mode 100644
index 0000000..2a3f50d
--- /dev/null
+++ b/doc/lxc.md
@@ -0,0 +1,11 @@
+# LXC container
+## edit config
+```shell
+vi /var/lib/lxc/lxc-container-01/config
+```
+## manage container
+```shell
+lxc-start -n lxc-container-01
+lxc-attach -n lxc-container-01
+lxc-stop -n lxc-container-01
+```