Network Settings
2017/07/16 |
[1] | Set static IP address to the server. ( Replace the section 'ens3' to your own interface name ) |
# display devices [root@localhost ~]# nmcli d DEVICE TYPE STATE CONNECTION ens3 ethernet connected ens3 lo loopback unmanaged -- # set IPv4 address [root@localhost ~]# nmcli con mod ens3 ipv4.addresses 10.0.0.30/24 # set default gateway [root@localhost ~]# nmcli con mod ens3 ipv4.gateway 10.0.0.1 # set DNS [root@localhost ~]# nmcli con mod ens3 ipv4.dns 10.0.0.1 # set manual for static setting (it's "auto" for DHCP) [root@localhost ~]# nmcli con mod ens3 ipv4.method manual # restart the interface and reload the settings [root@localhost ~]# nmcli con down ens3; nmcli con 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 d show ens3 GENERAL.DEVICE: ens3 GENERAL.TYPE: ethernet GENERAL.HWADDR: 52:54:00:87:3B:E0 GENERAL.MTU: 1500 GENERAL.STATE: 100 (connected) GENERAL.CONNECTION: ens3 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::5054:ff:fe87:3be0/64 IP6.GATEWAY: -- # 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 52:54:00:87:3b:e0 brd ff:ff:ff:ff:ff:ff inet 10.0.0.30/24 brd 10.0.0.255 scope global ens3 valid_lft forever preferred_lft forever inet6 fe80::5054:ff:fe87:3be0/64 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 7: 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 ~]# |