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htdocs/install/etape1.php

@@ -208,7 +208,8 @@ if ($_POST["action"] == "set")
 		// Save old conf file on disk
 		if (file_exists("$conffile"))
 		{
-			// We must ignore errors as an existing old file may alreday exists and not be replacable
+			// We must ignore errors as an existing old file may already exists and not be replacable or
+			// the installer (like for ubuntu) may not have permission to create another file than conf.php.
 			// Also no other process must be able to read file or we expose the new file so content with password.
 			@dol_copy($conffile, $conffile.'.old', '0400');
 		}