diff --git a/README.txt b/README.txt
index 98fb019..53e0a38 100644
--- a/README.txt
+++ b/README.txt
@@ -1,4 +1,4 @@
-Updated 19 February 2022
+Updated 27 October 2022
 
 Troggle is an application for caving expedition data management, 
 originally created for use on Cambridge University Caving Club (CUCC)expeditions 
@@ -59,10 +59,14 @@ Conventionally on our main master expo server we install everything that we can
 
 [venv description removed - read it in http://expo.survex.com/handbook/troggle/troglaptop.html ]
 
+READ the os-trog.sh script !
+READ the venv-trog.sh script !
+
+
 Automatic Provisioning and Configuration
 ----------------------------------------
 We don't do this - yet.
-We don't even have a bash script.
+
 The most appropriate configuration tools today (2021) appear to be Bolt or Ansible
 https://puppet.com/docs/bolt/latest/bolt.html (declarative, local)
 https://docs.ansible.com/ansible/latest/user_guide/intro_getting_started.html (procedural, remote)
@@ -147,19 +151,14 @@ these permissions are set in a different 'info' database which usually is untouc
 PERMISSIONS
 https://linuxize.com/post/usermod-command-in-linux/
 
-THIS MAY BE OUT OF DATE - in 2022 we are running Apache as user 'expo'
+THIS MAY BE OUT OF DATE - in 2022 we are running Apache as user 'expo' not 'www-data'
 
-sudo usermod -a expo www-data
-adds expo to the www-data group which is what the webserver uses, and thus so the user troggle is acting as when running live.
-
-So all the /loser/ .svx files need to have permissions like this (664)
--rw-rw-r-- expo www-data
 so that the online editing system for SVX files works.
 The same goes for /expoweb/ files, so that "edit this page" works and the New Cave
 and New Entrance forms work.
 
 sudo usermod -a expo expocvs
-the expocvs group is used for git & hg
+the expocvs group is used for git 
 
 all the users should be in this group
 
diff --git a/os-trog.sh b/os-trog.sh
index dfdbbe5..1afa0a0 100644
--- a/os-trog.sh
+++ b/os-trog.sh
@@ -1,31 +1,56 @@
 #!/bin/bash
 # Run this in a terminal in the troggle directory: 'bash os-trog.sh'
+# On WSL, do Shift-click in the file explorer on the troggle folder to open a Linux command line
+# 'Open Linux shell here'
 echo 'Run this in a terminal in the troggle directory: "bash venv-trog.sh"'
-
+cat /etc/os-release
 # Expects an Ubuntu 22.04 relatively clean install.
 
-
+sudo apt install python-is-python3 -y
 python --version : ensure python is an alias for python3 not python2.7
-sudo apt update
-sudo apt dist-upgrade
-sudo apt install sqlite3
-sudo apt install python3-pip  
+sudo apt update -y
+sudo apt dist-upgrade -y
+sudo apt autoremove -y
+sudo apt install sqlite3 -y
+sudo apt install python3-pip  -y
 
 # this installs a shed-load of other stuff: binutils etc.sudo apt install survex-aven
-sudo apt install openssh-client tunnelx therion 
-sudo apt install git sftp
+sudo apt install git openssh-client tunnelx therion -y
 # On a clean debian 11 (bullseye) installation with Xfce & ssh, 
+
+    #on ubuntu 20.04:
+    #Package sftp is not available, but is referred to by another package.
+    #This may mean that the package is missing, has been obsoleted, or
+    #is only available from another source
+    #E: Package 'sftp' has no installation candidate
+    
+    
+# On Ubuntu 20.04, with python10, the pip install fails.
+# So you ned to get the pip from source
+# sudo curl -sS https://bootstrap.pypa.io/get-pip.py | python3.10
+# but really you should be using 22.04
+# and also, isf using debian, 
+# sudo python3.10 -m pip install -U virtualenv
+
 # as debian does not install everything that ubuntu does, you need:
+sudo useradd expo
 sudo usermod -a -G sudo expo # to put expo in sudoers group, re-login required
-# default since 22.04 # sudo apt install python3.10
-sudo apt install python3.10-venv
-sudo apt install python3.10-dev
+# default since 22.04 
+# sudo apt install python3.10
+sudo apt install python3.10-venv -y
+sudo apt install python3.10-dev -y
 sudo update-alternatives --install /usr/bin/python python /usr/bin/python3.10 1
 
 sudo apt install mariadb-server -y 
-sudo apt install libmariadb-dev
+sudo apt install libmariadb-dev -y
 
 sudo python -m pip install --upgrade pip
 
+sudo apt install sftp -y
+echo '###'
+echo '### NOW INSTALLING tunnel and therion, go and have a cup of tea. Or a 3-course meal.'
+echo '###'
+sudo apt install tunnelx therion -y
+
 # Go to https://expo.survex.com/handbook/troggle/troglaptop.html#dbtools
 # sudo service mysql start