bash script that pings is not working
Anne Moore
diabeticithink at yahoo.com
Fri Dec 14 02:39:52 UTC 2007
Hi Steve
Thanks for the better script.
Actually, ping does work when it involves a firewall, surprisingly. It's
working great now and all timeouts have ceased.
I had already made the setting in putty, but I'm doing the ping script for
all the other applications.
Thanks for the script help!
Anne
-----Original Message-----
From: redhat-list-bounces at redhat.com [mailto:redhat-list-bounces at redhat.com]
On Behalf Of Steve Phillips
Sent: Thursday, December 13, 2007 12:20 AM
To: General Red Hat Linux discussion list
Subject: Re: bash script that pings is not working
Anne Moore wrote:
> HI All, can anyone help with this bash script?
> #!/bin/bash
>
> while [ 1 ]
> do
> ping some.ip.com
> sleep 60
> done
>
> # end of script
>
> It's not really working like I need it to be. I'm trying to add this
> to everyone's logon profile and run it without the console ICMP
> replies showing up while each person is connected (to keep their
> connections alive). Then, once they log off, it closes the script.
>
> Any scripting experts out there that can tweak this? Thank you so much
> for your time. -Anne
Also, if you are talking about firewall timeouts then this wont actually
help as the timeouts tend to be flow based, not source/dest ip based.
If they use something like putty, then you can enable tcp keepalives which
will probably do what you are after.
Anyway, to answer your query.
#!/bin/bash
#
while true; do
ping -c1 some.ip.address > /dev/null 2>&1
sleep 60
done
--
Steve
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