From: Greg Woods [mailto:firstname.lastname@example.org]
Sent: zaterdag 25 februari 2017 20:45
To: Community support for Fedora users
Subject: Re: automatically restart ethernet ?
On Sat, Feb 25, 2017 at 11:39 AM, fred roller
Look into "heartbeat".
"heartbeat" has been deprecated for several years now and is no longer
supported. There are no longer heartbeat packages in the F25 repos. The supported way to
do HA on Linux is now corosync with pacemaker. But this is a pretty big thing to swallow
just for restarting a net connection. You might want to try a script that you can run more
often than hourly that first checks to see if the net is up (maybe with a ping to your
default gateway?), and only restarts NetworkManager if it's not. There are also other
monitoring applications such as "monit", but that's a pretty complex beast
I presume you've looked into why your server keeps losing the net connection? That
could be a bad cable, a bad switch port, or a bad NIC. Hardware issues tend to get worse
over time; if that's what it is, even a cron kludge may eventually not work any
Pinging a local machine should tell you when machines become unreachable, probably because
of a network failure.
But, as said before, it only treat consequences, not the real cause. Perhaps you should
focus on that.
Why does restarting NM help? To bring the interface up again? Did it loose its IP-address
for some reason? Duplications?
Did you consider / try a fixed IP-address?
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