[systemd-devel] on the default for, PredictableNetworkInterfaceNames

Reindl Harald h.reindl at thelounge.net
Thu Apr 14 08:57:01 UTC 2016



Am 13.04.2016 um 18:51 schrieb Sam Tresler:
> I didn't make it through the rest of your post, but thought I'd chime in
> with `ifconfig` has been deprecated since 2009.
>
> 2009. I don't get deep into the distros, but I really wish they'd stop
> shipping it.
>
> `man ip` should give you info on the right tool you need to retrieve
> your network info. From there it is just some pipework to get a list you
> can iterate over.
>
> $ ip -o a | awk '{print $2}' | uniq

blub - gives a (incomplete) list of the current interfaces - so what is 
the advantage you wnated to demonstrate?

[root at rh:~]$ ip -o a | awk '{print $2}' | uniq
lo
vmnet8
br-lan

[root at rh:~]$ ifconfig | grep mtu
bond0: flags=5187<UP,BROADCAST,RUNNING,MASTER,MULTICAST>  mtu 1472
br-lan: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1472
eth0: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST>  mtu 1472
eth1: flags=6211<UP,BROADCAST,RUNNING,SLAVE,MULTICAST>  mtu 1472
lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
vmnet8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500

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