Why is My Private IP Missing From My CentOS 7 Server?
Why is my private IP missing from my CentOS 7 server?
When restarting a CentOS 7 server after adding it to a private network, the configuration of the new private network interface may fail, leaving it without an IP address. This can be fixed with another attempt after applying a small change to cloud-init:
# Patch cloud-init
sudo sed "s/== 'static'/in ['static', 'static6']/" -i /usr/lib/python2.7/site-packages/cloudinit/net/sysconfig.py
# Reset cloud-init
sudo cloud-init clean
# Reboot to apply
sudo reboot
This is only necessary when just performing restart. The IP configuration should always succeed after a reinstallation. Other operating systems are not affected either.
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