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Re: Debian 11 and IPv4 static IP address

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On 5/7/24 13:13, jeremy ardley wrote:
> 
> 
> On 5/7/24 10:30, Felix Miata wrote:
>> I think there are more than one. One thing is to check what is 
>> enabled, then
>> disable or uninstall whatever owns the unit(s):
>>
>>     systemctl list-unit-files | egrep 'net|dhcp'
>>
>> Do the same with whatever "manages" /etc/resolv.conf, and create a 
>> regular file of
>> your own design.
>>
>> I don't use VMs, but I did several hours ago instruct several hours 
>> ago using
>> systemd-network to setup static IP service for a *buntu user who 
>> couldn't get
>> netplan sorted:
> 
> There seems to be some misunderstanding here.
> 
> dhcpd services for a vm are provided by the host running the vm. 
> Depending on the vm software e.g. KVM/QEMU or VMWare Workstation there 
> will be different mechanisms to configure or disable this service to the 
> vm client.
> 
> However it is not necessary if you configure the vm client using the 
> systemd networking client service - as the OP has done.
> 
> More relevant is explicitly disabling any competing network clients on 
> the vm that may affect things like DNS.
> 
> I recommend :
> 
> sudo systemctl disable NetworkManager.service
> sudo systemctl stop NetworkManager.service
> sudo systemctl mask NetworkManager.service
> 
> sudo systemctl disable systemd-networkd
> sudo systemctl stop systemd-networkd
> sudo systemctl mask systemd-networkd
> 
> I reiterate that if DNS resolution is needed it needs to be set in 
> /etc/hosts and/or in /etc/resolv.conf
> 
> (I also use systemd-networkd in preference to the other two types of 
> client networking)

One further point is that the interface name seen by a client vm may not 
be eth0 and could be one of many 'predictable' interface names e.g enp1s0

I guess I'm 'lucky' that I have set up literally hundreds of vms in the 
past few months using linux and windows hosts and clients including 
debian, fedora, centos, ubuntu, RHEL, windows server, windows 
workstation, and hosting using VMWare Workstation, esxi hosts, KVM/QEMU

One obnoxious thing about most of the linuxes is the reliance on 
NetworkManager which may be fine for a beginner in a simple scenario 
such as a laptop  but can be extremely unhelpful in many scenarios. (As 
can be VMWare Workstation)

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Debian 11 and IPv4 static IP address David Christensen <dpchrist@holgerdanske.com> - 2024-07-05 04:10 +0200
  Re: Debian 11 and IPv4 static IP address Felix Miata <mrmazda@stanis.net> - 2024-07-05 04:40 +0200
    Re: Debian 11 and IPv4 static IP address David Christensen <dpchrist@holgerdanske.com> - 2024-07-05 05:40 +0200
      Re: Debian 11 and IPv4 static IP address Felix Miata <mrmazda@stanis.net> - 2024-07-05 06:10 +0200
        Re: Debian 11 and IPv4 static IP address David Christensen <dpchrist@holgerdanske.com> - 2024-07-06 03:20 +0200
          Re: Debian 11 and IPv4 static IP address Max Nikulin <manikulin@gmail.com> - 2024-07-06 04:10 +0200
            Re: Debian 11 and IPv4 static IP address David Christensen <dpchrist@holgerdanske.com> - 2024-07-06 07:00 +0200
              Re: Debian 11 and IPv4 static IP address jeremy ardley <jeremy.ardley@gmail.com> - 2024-07-06 09:30 +0200
              Re: Debian 11 and IPv4 static IP address Detlef Vollmann <dv@vollmann.ch> - 2024-07-06 12:50 +0200
                Re: Debian 11 and IPv4 static IP address Marc SCHAEFER <schaefer@alphanet.ch> - 2024-07-06 17:20 +0200
              Re: Debian 11 and IPv4 static IP address Greg Wooledge <greg@wooledge.org> - 2024-07-06 16:10 +0200
            Re: Debian 11 and IPv4 static IP address Detlef Vollmann <dv@vollmann.ch> - 2024-07-06 12:30 +0200
          Re: Debian 11 and IPv4 static IP address George at Clug <Clug@goproject.info> - 2024-07-06 06:20 +0200
          Re: Debian 11 and IPv4 static IP address jeremy ardley <jeremy.ardley@gmail.com> - 2024-07-06 06:40 +0200
            Re: Debian 11 and IPv4 static IP address Detlef Vollmann <dv@vollmann.ch> - 2024-07-06 12:40 +0200
    Re: Debian 11 and IPv4 static IP address jeremy ardley <jeremy.ardley@gmail.com> - 2024-07-05 07:20 +0200
      Re: Debian 11 and IPv4 static IP address jeremy ardley <jeremy.ardley@gmail.com> - 2024-07-05 07:30 +0200
  Re: Debian 11 and IPv4 static IP address jeremy ardley <jeremy.ardley@gmail.com> - 2024-07-05 06:20 +0200
  Re: Debian 11 and IPv4 static IP address Franco Martelli <martellif67@gmail.com> - 2024-07-05 20:50 +0200

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