Disable ZTP with the following command (it will reboot the appliance)
set system ztp disable
Default login for Palo Alto Networks appliances is admin/admin. You can change the password using the following command
set password
To configure the management IP, use the following
configure
set deviceconfig system ip-address <IP OF MGT INTERFACE> netmask <SUBNET MASK OF MGT INTERFACE> default-gateway <IP OF GATEWAY> dns-setting servers primary <IP OF DNS SERVER>
In PAN-OS 8.0+ you may also need to run the following command to make the MGT interface use static addressing rather than DHCP
set deviceconfig system type static
commit