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CentOS 7 Tips

Post-Tasks to Minimal Install
  • Chrony
  • Screen
  • vim-enhanced
  • Rsync
  • mailx
  • bind-utils (with dig/nslookup)
  • net-snmp
  • net-snmp-utils
  • yum-utils
Remove virbr0 network interface
# Stop and Disable the service
systemctl stop libvirtd.service
systemctl disable libvirtd.service

# Remove the virbr0 interface
brctl show
ip link set virbr0 down
brctl delbr virbr0

# Verify that the bridge has been removed.
brtcl show