fix: flex-linux-setup readme file

flex-linux-setup/README.md

@@ -1,22 +1,16 @@
 Flex Linux Setup
 =======================
 
-Scripts and templates to automate deployment Gluu Flex components on Janssen server,
+Scripts and templates to automate deployment Gluu Flex components on Janssen server.
+Currenlty Gluu Flex has two components: Admin UI and Casa
 
-Installing Admin UI
+Installing Gluu Flex
 -----------------------
 
-We tested installation on CentOS 8, Ubuntu 18 and Ubuntu 20.
-First we need to install Janssen Server by following below two steps:
-1. Download installer
-
-   `curl https://raw.githubusercontent.com/JanssenProject/jans/main/jans-linux-setup/install.py > install.py`
-
-2. Execute installer
+We tested installation on CentOS 8 and Ubuntu 20.
 
-   `python3 install.py`
-
-Then Admin UI can be installed by running flex-setup script. The steps are
+If you installed Janssen server before, the script will just install Gluu Flex Components, otherwise
+it first installs Janssen server, then install Gluu Flex Components
 
 1. Download installer
 
@@ -31,4 +25,9 @@ Add/Remove Admin UI plugins
 
 To add/remove Admin UI on vm execute -
 
-`python3 /opt/jans/jans-setup/static/scripts/admin_ui_plugin.py`
+1. Download script
+
+   `curl https://raw.githubusercontent.com/GluuFederation/flex/main/flex-linux-setup/flex_linux_setup/flex-plugin.py -O /opt/jans/jans-setup/static/scripts/admin_ui_plugin.py`
+
+2. Execute
+    `python3 /opt/jans/jans-setup/static/scripts/admin_ui_plugin.py`