Fedora 23
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Network Settings
2015/11/03
[1] Set static IP address to the server. ( Replace the section 'ifcfg-***' to your own interface name )
# set hostname

[root@localhost ~]#
hostnamectl set-hostname dlp.srv.world
# display devices

[root@localhost ~]#
nmcli d 

DEVICE       TYPE      STATE      CONNECTION
eno16777736  ethernet  connected  eno16777736
lo           loopback  unmanaged  --
# set IPv4 address

[root@localhost ~]#
nmcli c modify eno16777736 ipv4.addresses 10.0.0.30/24

# set default gateway

[root@localhost ~]#
nmcli c modify eno16777736 ipv4.gateway 10.0.0.1

# set DNS

[root@localhost ~]#
nmcli c modify eno16777736 ipv4.dns 10.0.0.1

# set manual for static setting (it's "auto" for DHCP)

[root@localhost ~]#
nmcli c modify eno16777736 ipv4.method manual

# restart the interface and reload the settings

[root@localhost ~]#
nmcli c down eno16777736; nmcli c up eno16777736

Connection 'eno16777736' 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 d show eno16777736 

GENERAL.DEVICE:               eno16777736
GENERAL.TYPE:                 ethernet
GENERAL.HWADDR:               00:0C:29:44:3A:53
GENERAL.MTU:                  1500
GENERAL.STATE:                100 (connected)
GENERAL.CONNECTION:           eno16777736
GENERAL.CON-PATH:             /org/freedesktop/NetworkManager/ActiveConnection/2
WIRED-PROPERTIES.CARRIER:     on
IP4.ADDRESS[1]:               10.0.0.30/24
IP4.GATEWAY:                  10.0.0.1
IP4.DNS[1]:                   10.0.0.1
IP6.ADDRESS[1]:               fe80::20c:29ff:fe44:3a53/64
IP6.GATEWAY:
# show status

[root@localhost ~]#
ip addr show 

1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN group default
    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: eno16777736: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 00:0c:29:44:3a:53 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global eno16777736
       valid_lft forever preferred_lft forever
    inet6 fe80::20c:29ff:fe44:3a53/64 scope link
       valid_lft forever preferred_lft forever
[2] Disable IPv6 like follows if you do not need it.
[root@localhost ~]#
vi /etc/default/grub
# line 6: add

GRUB_CMDLINE_LINUX="
ipv6.disable=1
rd.lvm.lv=fedora-server/root.....
# apply changing

[root@localhost ~]#
grub2-mkconfig -o /boot/grub2/grub.cfg

[root@localhost ~]#
reboot

 
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