running linux cmd in servlet/jsp

[KL OOI]

Hi all,   I would like to grep my linux MAC address, the command to run under linux should be like this ifconfig eth1 | grep HWaddr | awk '{print $5; }'   Therefore i wrote it like below...   But it failed.....   Anyone can help?? Thanks.   Regards KL   *********************************   Process proc1=null;   Runtime rt1 = Runtime.getRuntime();      proc1 = rt1.exec("/sbin/ifconfig eth1 | grep HWaddr | awk '{print $5; }' ");      BufferedReader result = new BufferedReader(new InputStreamReader(proc1.getInputStream()));   BufferedReader error = new BufferedReader(new InputStreamReader(proc1.getErrorStream()));     String str_result = null;   String str_error = null;     while ( ( str_result = result.readLine()) != null)   {    out.println(str_result);   }     while ( ( str_error = error.readLine()) != null)   {    out.println(str_error);   } *********************************         Best regards, KL OOI Senior Software Engineer iBridge Capital Technology Solutions Limited   General: (604)818-0988 Fax: (604)818-0698 DID: (604)818-0618 Mobile: (6012)421-7772 Email: [EMAIL PROTECTED] URL: www.ibridgecapital.com