diff --git a/scripts/install b/scripts/install
index c205524..4c6d11a 100755
--- a/scripts/install
+++ b/scripts/install
@@ -153,9 +153,11 @@ ynh_add_config --template="../conf/config.php" --destination="$install_dir/confi
 chmod 400 "$install_dir/config.php"
 chown $app:$app "$install_dir/config.php"
 
-chmod -R 600 "$install_dir/src/"
+chmod -R 700 "$install_dir/src/"
 chown -R $app:$app "$install_dir/src/"
 
+crontab -l | { cat; echo "*/10 * * * * php -r \"require '/var/www/$app/src/server.php'; updateRemoteData(); \""; } | crontab -
+
 ### For more complex cases where you want to replace stuff using regexes,
 ### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
 ### When doing so, you also need to manually call ynh_store_file_checksum
diff --git a/scripts/upgrade b/scripts/upgrade
index 4c14e2f..9423b22 100755
--- a/scripts/upgrade
+++ b/scripts/upgrade
@@ -120,6 +120,9 @@ ynh_add_config --template="../conf/config.php" --destination="$install_dir/confi
 chmod 400 "$install_dir/config.php"
 chown $app:$app "$install_dir/config.php"
 
+chmod -R 700 "$install_dir/src/"
+chown -R $app:$app "$install_dir/src/"
+
 ### For more complex cases where you want to replace stuff using regexes,
 ### you shoud rely on ynh_replace_string (which is basically a wrapper for sed)
 ### When doing so, you also need to manually call ynh_store_file_checksum