Read hostname from /etc/hostname

cgi-bin/malp.rb

@@ -7,6 +7,8 @@ ASSETS_DIR = File.join(__dir__, "../assets")
 
 cgi = CGI.new
 
+hostname = File.read("/etc/hostname").strip rescue "localhost"
+
 template = ERB.new(File.read(File.join(ASSETS_DIR, "login.erb")))
 
 cgi.out("type" => "text/html", "charset" => "UTF-8") do