My steps with CentOS on Cubietruck Plus: CentOS is running: [root at localhost ~]# uname -a Linux localhost 4.17.6-200.el7.armv7hl #1 SMP Thu Aug 9 19:50:34 UTC 2018 armv7l armv7l armv7l GNU/Linux [root at localhost ~]# but no ethernet: [root at localhost ~]# ip a 1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default qlen 1000 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00 inet 127.0.0.1/8 scope host lo valid_lft forever preferred_lft forever inet6 ::1/128 scope host valid_lft forever preferred_lft forever [root at localhost ~]# and only 1 Processor was find: [root at localhost ~]# cat /proc/cpuinfo processor : 0 model name : ARMv7 Processor rev 5 (v7l) BogoMIPS : 48.00 Features : half thumb fastmult vfp edsp thumbee neon vfpv3 tls vfpv4 idiva idivt vfpd32 lpae evtstrm CPU implementer : 0x41 CPU architecture: 7 CPU variant : 0x0 CPU part : 0xc07 CPU revision : 5 Hardware : Allwinner sun8i Family Revision : 0000 Serial : 32c000011401d589 [root at localhost ~]# [root at localhost ~]# more /etc/dracut.conf.d/kernel.conf add_drivers+=" phy-sun4i-usb sunxi-rsb axp20x-rsb axp20x-regulator axp20x-pek ax p20x_ac_power axp20x_battery axp20x_usb_power axp288_fuel_gauge ac100 rtc-ac100" [root at localhost ~]# Any help to activate all CPUs and Ethernet? Thanks Andreas