Hi, Suggestions inline. On 21-02-17 21:03, johan.vermeulen7 at telenet.be wrote: [snip] > > Next I cannot launch the network: > > [root at clgmol ~]# systemctl status network > ● network.service - LSB: Bring up/down networking > Loaded: loaded (/etc/rc.d/init.d/network; bad; vendor preset: disabled) Your network.service is still disabled so try enabling it: # systemctl stop NetworkManager.service # systemctl disable NetworkManager.service # systemctl enable network.service # systemctl start network.service # systemctl status network.service If the network.service fails, see below, review, fix and try again. > Active: failed (Result: exit-code) since di 2017-02-21 20:57:56 CET; 15s ago > Docs: man:systemd-sysv-generator(8) > Process: 2638 ExecStart=/etc/rc.d/init.d/network start (code=exited, status=1/FAILURE) > CGroup: /system.slice/network.service > └─1076 /sbin/dhclient -H clgmol -1 -q -lf /var/lib/dhclient/dhclient-13b56b89-7b1d-42fa-aeb7-af96a38102ce-enp3s0.lease -pf /var/run/dhclient-enp3s0.pid en... > > feb 21 20:57:56 clgmol.router network[2638]: RTNETLINK answers: File exists [snip] IIRC make dhclient release the current lease and stop the running DHCP client, then remove any lingering leases files: # dhclient -r # rm -v -i /var/lib/dhclient/dhclient*.lease* Also remove any /etc/sysconfig/network-scripts/ifcfg-* files created by NetworkManager that might interfere with your ifcfg-enp0s20u3c2 and the network.service. Then try to start the network.service again. HTH, Patrick