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Network Access
Before removing the serial console or HDMI monitor and USB keyboard, verify network connectivity. The provided images default to obtaining network settings from a DHCP server.
Verify Network Configuration
Determine your IP address:
$ ip addr
Check that you have a default gateway:
$ ip route
Ping a known host:
$ ping -c3
The sample above requires name resolution and a route to the internet. If your device is located on an isolated network, ping another host on your network.
Verify that `sshd` is running:
$ systemctl is-active sshd
View the default firewall configuration:
$ sudo firewall-cmd --list-all
Information on adding support for specific devices can be found in the xref:user-guide.adoc[User Guide].
Configure Remote Access
Once the initial setup is complete, the serial console or HDMI monitor and USB keyboard are no longer required to access the device. The device can be left in a headless state and accessed remotely.
The released images are configured to run an SSH server and accept outside connections. The default configuration allows root login if a password is set. This is a good reason to leave the root account locked. The default configuration also allows standard users to login and the user can then sudo if they were made an administrator as a member of the wheel group.
$ ssh testuser@
Authentication Failures