10-05-2019
No. Network Manager GUI does not run as root, & is usually not required to connect to a wifi network. I don't know why the iw command requires root.
Not sure if it matters, but my user is in group "netdev". I'm assuming that is the "network device" group.
Edit: I don't know what command the Network Manager GUI is trying to execute in the background.
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LEARN ABOUT CENTOS
tapset::networking
tapset::networking(3stap) tapset::networking(3stap)
NAME
tapset::networking - systemtap networking tapset
DESCRIPTION
This family of probe points is used to probe the activities of the network device.
netdev.receive
Data received from network device.
See probe::netdev.receive(3stap)
for details.
netdev.transmit
Network device transmitting buffer
See probe::netdev.transmit(3stap)
for details.
netdev.change_mtu
Called when the netdev MTU is changed
See probe::netdev.change_mtu(3stap)
for details.
netdev.open
Called when the device is opened
See probe::netdev.open(3stap)
for details.
netdev.close
Called when the device is closed
See probe::netdev.close(3stap)
for details.
netdev.hard_transmit
Called when the devices is going to TX (hard)
See probe::netdev.hard_transmit(3stap)
for details.
netdev.rx
Called when the device is going to receive a packet
See probe::netdev.rx(3stap)
for details.
netdev.change_rx_flag
Called when the device RX flag will be changed
See probe::netdev.change_rx_flag(3stap)
for details.
netdev.set_promiscuity
Called when the device enters/leaves promiscuity
See probe::netdev.set_promiscuity(3stap)
for details.
netdev.ioctl
Called when the device suffers an IOCTL
See probe::netdev.ioctl(3stap)
for details.
netdev.register
Called when the device is registered
See probe::netdev.register(3stap)
for details.
netdev.unregister
Called when the device is being unregistered
See probe::netdev.unregister(3stap)
for details.
netdev.get_stats
Called when someone asks the device statistics
See probe::netdev.get_stats(3stap)
for details.
netdev.change_mac
Called when the netdev_name has the MAC changed
See probe::netdev.change_mac(3stap)
for details.
SEE ALSO
probe::netdev.receive(3stap), probe::netdev.transmit(3stap), probe::netdev.change_mtu(3stap), probe::netdev.open(3stap),
probe::netdev.close(3stap), probe::netdev.hard_transmit(3stap), probe::netdev.rx(3stap), probe::netdev.change_rx_flag(3stap),
probe::netdev.set_promiscuity(3stap), probe::netdev.ioctl(3stap), probe::netdev.register(3stap), probe::netdev.unregister(3stap),
probe::netdev.get_stats(3stap), probe::netdev.change_mac(3stap), stap(1), stapprobes(3stap)
IBM
--- tapset::networking(3stap)