Add 'ls.sh' script

README.md

@@ -176,6 +176,14 @@ sudo bash /distillery/shell.sh SLUG
 
 This will open a shell in the provided WissKI instance. 
 
+## List all instances -- 'ls.sh'
+
+To list all instances, the following command can be used:
+
+```bash
+sudo bash /distillery/ls.sh
+```
+
 ## License
 
 This project and associated files in this repository are licensed as follows:

distillery/ls.sh

@@ -0,0 +1,12 @@
+#!/bin/bash
+set -e
+
+# read the lib/shared.sh and read the slug argument. 
+DISABLE_LOG=1
+DIR="$( cd "$( dirname "${BASH_SOURCE[0]}" )" >/dev/null 2>&1 && pwd )"
+cd "$DIR"
+source "$DIR/lib/lib.sh"
+DISABLE_LOG=0
+
+# list all the existing instances
+sql_bookkeep_list