Networking2013/12/18

[1]	Set Hostname and static IP address to the server, DHCP is not recommended if you use as a server. ( Replace the section 'ifcfg-***' to your own interface name )

# install the package below which includes ifconfig, netstat and so on first

[root@localhost ~]#

yum -y install net-tools

[root@localhost ~]#

vi /etc/hostname

# add your hostname

dlp.srv.world

[root@localhost ~]#

vi /etc/sysconfig/network-scripts/ifcfg-eth0

TYPE="Ethernet"

# change

BOOTPROTO="

none

"
DEFROUTE="yes"
IPV4_FAILURE_FATAL="no"
IPV6INIT="yes"
IPV6_AUTOCONF="yes"
IPV6_DEFROUTE="yes"
IPV6_PEERDNS="yes"
IPV6_PEERROUTES="yes"
IPV6_FAILURE_FATAL="no"
NAME="eth0"
UUID="29de82a4-710e-4cc0-b797-bb687dd32688"
ONBOOT="yes"
HWADDR="00:0C:29:09:A9:B4"
PEERDNS="yes"
PEERROUTES="yes"

# add like follows

# this server's IP address

IPADDR="10.0.0.30"

# subnet mask

NETMASK="255.255.255.0"

# default gateway

GATEWAY="10.0.0.1"

# DNS server's IP address

DNS1="10.0.0.10"

[root@localhost ~]#

systemctl disable NetworkManager.service

rm '/etc/systemd/system/dbus-org.freedesktop.NetworkManager.service'
rm '/etc/systemd/system/multi-user.target.wants/NetworkManager.service'
rm '/etc/systemd/system/network.target.wants/NetworkManager-wait-online.service'
[root@localhost ~]#

chkconfig network on

[root@localhost ~]#

reboot

Fedora release 20 (Heisenbug)
Kernel 3.11.10-301.fc20.x86_64 on an x86_64 (ttyS0)

dlp login: root
Password:

[root@dlp ~]#

ifconfig

eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST>  mtu 1500
        inet 10.0.0.30  netmask 255.255.255.0  broadcast 10.0.0.255
        inet6 fe80::216:36ff:fea1:bbb6  prefixlen 64  scopeid 0x20<link>
        ether 00:16:36:a1:bb:b6  txqueuelen 1000  (Ethernet)
        RX packets 30  bytes 2336 (2.2 KiB)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 41  bytes 2820 (2.7 KiB)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

lo: flags=73<UP,LOOPBACK,RUNNING>  mtu 65536
        inet 127.0.0.1  netmask 255.0.0.0
        inet6 ::1  prefixlen 128  scopeid 0x10<host>
        loop  txqueuelen 0  (Local Loopback)
        RX packets 0  bytes 0 (0.0 B)
        RX errors 0  dropped 0  overruns 0  frame 0
        TX packets 0  bytes 0 (0.0 B)
        TX errors 0  dropped 0 overruns 0  carrier 0  collisions 0

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

[root@dlp ~]#

vi /etc/default/grub

# line 6 : add like follows

GRUB_CMDLINE_LINUX="

ipv6.disable=1

rd.lvm.lv=fedora/swap rd.md=0.....

# reload

[root@dlp ~]#

grub2-mkconfig -o /boot/grub2/grub.cfg

[root@dlp ~]#

reboot

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