diff --git a/readme.md b/readme.md
index 0a7fa19..20b7ae0 100644
--- a/readme.md
+++ b/readme.md
@@ -127,7 +127,7 @@ curl -o- https://raw.githubusercontent.com/nvm-sh/nvm/v0.37.2/install.sh | bash
 nvm install --lts
 nvm use --lts
 
-sudo pacman -S lxc libvirt unzip
+pacman -S lxc libvirt unzip
 ```
 </details>
 
diff --git a/var/archive.txt b/var/archive.txt
new file mode 100644
index 0000000..7767b8b
--- /dev/null
+++ b/var/archive.txt
@@ -0,0 +1,24 @@
+# make piston image
+lxc-clone -KMP /mnt/piston_image piston piston
+sed -i 's/\/mnt\/piston_image/\/var\/lib\/lxc/' piston/config
+tar -czf piston.tar.gz piston/
+
+# restore piston image
+cd /var/lib/lxc
+tar -xzf piston.tar.gz
+
+
+
+
+
+```
+# get piston image
+cd /var/lib/lxc
+wget whatever url
+tar -xzf piston.tar.gz
+sed -i "s/virtbr0/$(ip a | grep br0: | cut -d' ' -f2 | sed 's/://gi')/" piston/config
+
+# start piston
+cd /path/to/piston/lxc
+./start
+```
diff --git a/var/install.txt b/var/install.txt
index 988e465..f023ea7 100644
--- a/var/install.txt
+++ b/var/install.txt
@@ -242,6 +242,10 @@ chmod -R o-w *
 rm -rf /home/ubuntu
 chmod 777 /tmp
 
+# disable cron
+systemctl stop cron
+systemctl disable cron
+
 # leave container
 exit