[CentOS] No network on cloned CentOS 7 installation

On Fri, May 3, 2019 at 11:48 AM Nicolas Kovacs <info at microlinux.fr> wrote:

> Here's what I did.
>
> 1. Install one computer and zero unused hard disk sectors with dd.
>
> 2. Send the image to a local FTP server using G4L (Ghost4Linux).
>
> 3. Fetch the image on another computer.
>
> 4. Boot the new computer in rescue mode and change the hardcoded
> /etc/hostname to a new value.
>
> Let me add that I removed all hardcoded MAC addresses from
> /etc/sysconfig/ifcfg-em1, which has only very limited information in it.
>
> What else could cause the network to choke on a cloned installation?
>

systemctl daemon-reload

That will cause SystemD to refresh it's internal state about the settings
in config files.