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What's New in NetworkManager
The Right Settings
Switching Between Plugin Formats
As long as NetworkManager basically still supports the ifcfg format, you can of course convert the configurations back to the ifcfg format, should the need arise:
nmcli conn migrate --plugin ifcfg-rh GrandHotel_Guest nmcli -f TYPE,FILENAME,NAME conn | grep GrandHotel_Guest wifi /etc/sysconfig/network-scripts/ifcfg-GrandHotel_Guest GrandHotel_Guest
If you want to customize the configuration files with nmcli, it is worth taking a look at the nmcli-examples man page, where you will see many practical examples of how to adapt the individual sections and the instructions they contain to your own needs.
Conclusions
The current versions of NetworkManager rely by default only on the keyfile format for configuring network interface cards and connection profiles. For administrators who still use the old ifcfg format on their systems, it is a good idea to convert the configuration files to keyfile format. However, if this is not desired for some reason, you can still carry on using ifcfg. If you do so, you will need to add the ifcfg-rh plugin manually to your NetworkManager configuration.
Infos
- NetworkManager: https://gitlab.freedesktop.org/NetworkManager/NetworkManager
- systemd-networkd: https://www.freedesktop.org/software/systemd/man/systemd.network.html
The Author
Thorsten Scherf is the global Product-Lead for Identity Management and Platform Security in Red Hat's Product Experience group. He is a regular speaker at various international conferences and writes a lot about open source software.
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