Re: CentOS 8 network-scripts

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On 2019-10-04 10:27, Lamar Owen wrote:
On 10/4/19 11:02 AM, Ljubomir Ljubojevic wrote:
...
It is OK if your KVM host is on LAN cable that never is disconnected or power goes down. But I have a laptop I use first at work where I use LAN and then at home where I use WLAN only, and suspending laptop is same as disconnecting LAN, bridge is disabled and KVM bridged network unhooked, and you can never reinitialize it without at least restarting kvm, and full treatmant is shuting down VM, restarting NM then network then starting VM again... So I just shutdown VM and laptop and boot everey itme I move. Maybe I can change this behavior now.

You and I have nearly identical use cases, interestingly enough.  My laptop that I'm using right now to type this is my development machine for a number of KVM things I do in the data center as well. Since I run it docked with ethernet on my desk, but not docked and on WiFi at home, I've had to do two things: 1.) A real shutdown when I leave work.  For some reason I've never be a fan of suspend/hibernate, and since I use LUKS I'd rather not leave the volume unlocked as it would be in a suspend/hibernate scenario; 2.) NAT-connected VMs in development, since I've never been able to get bridging to work properly over wireless (specification says it can't work, and I think that's true in practice, but I always reserve the right to be wrong!).

I wonder if it is possible to do what I do on FreeBSD laptop: there I created link aggregation interface which includes wired adapter and wireless one (in that priority order), making networking acting "as smart as macintosh does ;-) ". I'm sure one of Linux Experts can point us in right direction (at the moment I just use GUI applet to enable interfaces etc).

Valeri


My laptop is at least as powerful as most of our servers, and it works great for development purposes.

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Valeri Galtsev
Sr System Administrator
Department of Astronomy and Astrophysics
Kavli Institute for Cosmological Physics
University of Chicago
Phone: 773-702-4247
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