Updated to deal with minimal installs.

install.sh

@@ -5,7 +5,7 @@ if [ $( id -u $(whoami) ) != 0 ]; then
   exit 1
 fi
 
-codename=$( lsb_release -c | cut -f 2 )
+codename=$( if ! which lsb_release ; then grep ^VERSION= /etc/os-release | cut -d \( -f 2 | cut -d \) -f 1 ; else lsb_release -c | cut -f 2 ; fi )
 
 case "x$1" in
   "x") version="$codename";;
@@ -22,6 +22,12 @@ echo "This script will help you install Sympl on a Debian Linux server with"
 echo "  minimal hassle, and give you some intial pointers."
 echo
 
+if [ $( grep -c '^stretch$\|^buster$' <<< $codename ) == 0 ]; then
+  echo "ERROR: Sorry, this script doesn't recognise your Debian version."
+  echo "  You may need to install lsb_release, or check your version."
+  echo "  Expected 'stretch' or 'buster' but got '$codename'."
+fi
+
 if ! hostname --fqdn > /dev/null 2>&1 ; then
   echo "ERROR: Something doesn't seem right with your server hostname."
   echo "  You should check it has a matching enty in /etc/hosts and is"
@@ -90,7 +96,7 @@ echo "
  1. This system now has a system user named 'sympl', which has inherited the
       password of the 'root' user.
     You should change this password IMMEDIATELY, and you will be prompted when
-      you continue. 
+      you continue.
     Ensure the password is complex as it has access to the whole system.
     Consider using SSH Keys where possible.
 
@@ -106,7 +112,7 @@ echo "
     If you encounter a bug, you can log it at https://bugs.sympl.host.
 
  4. To get started, check http://wiki.sympl.host/Get_Started
- 
+
 "
 
 read -n1 -p 'Press any key to set the new password...'
@@ -115,4 +121,4 @@ echo
 echo "Setting new password for user 'sympl':"
 passwd sympl
 
-echo "Done!"
\ No newline at end of file
+echo "Done!"