UNIX assignments - Revision history

Heth at 07:30, 25 September 2019

2019-09-25T07:30:42Z

Astifl at 15:07, 12 February 2009

2009-02-12T15:07:06Z

Astifl at 14:46, 12 February 2009

2009-02-12T14:46:55Z

Astifl at 14:16, 12 February 2009

2009-02-12T14:16:37Z

Heth at 11:33, 12 February 2009

2009-02-12T11:33:03Z

Heth: New page: == Network management with ping == Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it...

2009-02-12T11:32:29Z

New page: == Network management with ping == Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it...

New page

== Network management with ping ==
Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.
*One session were you run your program
*Another session were you will receive your messages and read your mail
=== Used programs ===
*ping
*write
*mail
*sleep
=== Getting started ===
Use the ''man'' pages for ping, write and mail.
<pre>
[heth@bkshost bin]$ man ping
</pre>
Experiment with the commands until you know how they work. And make them work for you.<br/>
To test if [[ping]] failed or succeded you can use if
<pre>
if ping -c 1 192.168.142.1 >/dev/null
then echo "Ping succeded."
else echo "Ping Failed.
fi
</pre>

@@ Line 1: / Line 1: @@
 [[category:Linux]][[Category:UNIX]]
 == Network management with ping ==
-Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minute. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.
+Write a bash script that will ping 185.22.74.79 'mars.merhot.dk' '''once''' every minute. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.
 *One session where you run your program
 *Another session where you will receive your messages and read your mail

@@ Line 1: / Line 1: @@
 [[category:Linux]][[Category:UNIX]]
 == Network management with ping ==
-Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.
+Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minute. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.
 *One session where you run your program
 *Another session where you will receive your messages and read your mail

← Older revision		Revision as of 11:33, 12 February 2009
Line 1:		Line 1:
		+	[[category:Linux]][[Category:UNIX]]
	== Network management with ping ==		== Network management with ping ==
	Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.		Write a bash script that will ping 192.168.142.1, mars.tekkom.dk, 172.16.4.77 '''once''' every minut. If it fails three times in a row (Three minutes) it should write to your terminal and send a mail to you. You have to be logged in twice.

@@ Line 19: / Line 19: @@
 if ping -c 1 192.168.142.1 >/dev/null
    then echo "Ping succeded."
-   else echo "Ping Failed.
+   else echo "Ping Failed."
 fi
 </pre>