Establecer la conexión de red en Fedora 28

Initial Settings : Network Settings 2018/05/07

[1]	Set static IP address to the server. ( Replace the section [ens3] to your own interface name )

# set hostname [root@localhost ~]# hostnamectl set-hostname dlp.srv.world # display devices [root@localhost ~]# nmcli device DEVICE TYPE STATE CONNECTION ens3 ethernet connected ens3 lo loopback unmanaged -- # set IPv4 address [root@localhost ~]# nmcli connection mod ens3 ipv4.addresses 10.0.0.30/24 # set default gateway [root@localhost ~]# nmcli connection mod ens3 ipv4.gateway 10.0.0.1 # set DNS [root@localhost ~]# nmcli connection mod ens3 ipv4.dns 10.0.0.1 # set manual for static setting (it's [auto] for DHCP) [root@localhost ~]# nmcli connection mod ens3 ipv4.method manual # restart the interface and reload the settings [root@localhost ~]# nmcli connection down ens3; nmcli connection up ens3 Connection 'ens3' successfully deactivated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/1) Connection successfully activated (D-Bus active path: /org/freedesktop/NetworkManager/ActiveConnection/2) # show settings [root@localhost ~]# nmcli device show ens3 GENERAL.DEVICE: ens3 GENERAL.TYPE: ethernet GENERAL.HWADDR: 52:54:00:1F:F9:3F GENERAL.MTU: 1500 GENERAL.STATE: 100 (connected) GENERAL.CONNECTION: ens3 GENERAL.CON-PATH: /org/freedesktop/NetworkManager/ActiveC WIRED-PROPERTIES.CARRIER: on IP4.ADDRESS[1]: 10.0.0.30/24 IP4.GATEWAY: 10.0.0.1 IP4.ROUTE[1]: dst = 10.0.0.0/24, nh = 0.0.0.0, mt = 1 IP4.ROUTE[2]: dst = 0.0.0.0/0, nh = 10.0.0.1, mt = 100 IP4.DNS[1]: 10.0.0.1 IP6.ADDRESS[1]: fe80::5054:ff:fe1f:f93f/64 IP6.GATEWAY: -- IP6.ROUTE[1]: dst = ff00::/8, nh = ::, mt = 256, tabl IP6.ROUTE[2]: dst = fe80::/64, nh = ::, mt = 256 IP6.ROUTE[3]: dst = fe80::/64, nh = ::, mt = 100 # show state [root@localhost ~]# ip addr show 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 2: ens3: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000 link/ether 52:54:00:1f:f9:3f brd ff:ff:ff:ff:ff:ff inet 10.0.0.30/24 brd 10.0.0.255 scope global noprefixroute ens3 valid_lft forever preferred_lft forever inet6 fe80::5054:ff:fe1f:f93f/64 scope link noprefixroute valid_lft forever preferred_lft forever

[2]	Disable IPv6 like follows if you do not need it.

[root@localhost ~]# vi /etc/default/grub # line 7: add GRUB_CMDLINE_LINUX=" ipv6.disable=1 resume=/dev/mapper/fedora-swap..... # apply changes [root@localhost ~]# grub2-mkconfig -o /boot/grub2/grub.cfg [root@localhost ~]# reboot Fuente: https://www.server-world.info/en/note?os=Fedora_28&p=initial_conf&f=3