On latest pi os, home directory is not readable, so make itreadable.

Also add "sudo" in setting-up.txt notes for installing packages

setup/setting_up.txt

@@ -7,10 +7,10 @@ either by git cloning it or by unzipping the archive.
 
 Start setting things up:
   cd ~/imgcomp/setup
-  ./install-packages
+  sudo ./install-packages
 
 Optionally install additional packages (useful but not necessary)
-  ./install-packages-extra
+  sudo ./install-packages-extra
 
 Build imgcomp and set it up
   cd ~/imgcomp/setup

setup/setup-imgcomp

@@ -28,6 +28,10 @@ mkdir -p ~/www
 mkdir -p ~/images
 ln -sTf ../images ~/www/pix
 
+echo "Make home directory readable by web server"
+# Make home directory publicly readable (so www-data process can access it)
+chmod +rx ~
+
 # Make sure an imgcomp.conf configuration file exists
 if [ -e ../../imgcomp.conf ] ; then
 	echo "    imcomp.conf file aready in home directory"