[CentOS] CentOS 8 network-scripts

[Ljubomir Ljubojevic]

On 10/4/19 4:42 PM, Lamar Owen wrote:
> On 10/4/19 10:00 AM, Ljubomir Ljubojevic wrote:
>> On 10/4/19 3:03 PM, Chris Adams wrote:
>>> ...
>>> See the NetworkManager-config-server package. 
>> Ahh, thanks. I was wondering about it but never investigated.
> Hmmmm.....
> Description :
> This adds a NetworkManager configuration file to make it behave more
> like the old "network" service. In particular, it stops NetworkManager
> from automatically running DHCP on unconfigured ethernet devices, and
> allows connections with static IP addresses to be brought up even on
> ethernet devices with no carrier.
> 
> This package is intended to be installed by default for server
> deployments.
> ++++++++++
> Well, learn something new every day.... nice.  Time to learn a bit more
> about what it will do, and see about deploying to our KVM hosts..... 
> I've not had the bridged network issues some seem to have been plagued
> with, and I have several KVM hosts with bridged networking (with
> multiple VLANs) using NetworkManager (using nmtui to configure a bridge
> isn't hard). I decided to configure it that way just ot see how easy or
> hard it was to do with NM, and to test its stability, and after passing
> testing under load I popped it into production, running a few Windows 7
> guests and a couple of CentOS 7 guests.

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.


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-- 
Ljubomir Ljubojevic
(Love is in the Air)
PL Computers
Serbia, Europe

StarOS, Mikrotik and CentOS/RHEL/Linux consultant