Fedora 30. Настройка сети, отключение ipv6

1. Устанавливаем статический IP адрес на сервер. ( Замените [ens2] на свое наименование сетевого интерфейса )

# set hostname

[root@localhost ~]#

hostnamectl set-hostname dlp.srv.world

# display devices

[root@localhost ~]#

nmcli device

DEVICE  TYPE      STATE      CONNECTION
ens2    ethernet  connected  ens2
lo      loopback  unmanaged  --

# set IPv4 address

[root@localhost ~]#

nmcli connection modify ens2 ipv4.addresses 10.0.0.30/24

# set gateway

[root@localhost ~]#

nmcli connection modify ens2 ipv4.gateway 10.0.0.1

# set DNS

[root@localhost ~]#

nmcli connection modify ens2 ipv4.dns 10.0.0.1

# set manual for static setting (it’s [auto] for DHCP)

[root@localhost ~]#

nmcli connection modify ens2 ipv4.method manual

# restart the interface and reload the settings

[root@localhost ~]#

nmcli connection down ens2; nmcli connection up ens2

Connection 'ens2' 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 ens2

GENERAL.DEVICE:                         ens2
GENERAL.TYPE:                           ethernet
GENERAL.HWADDR:                         52:54:00:C8:09:F8
GENERAL.MTU:                            1500
GENERAL.STATE:                          100 (connected)
GENERAL.CONNECTION:                     ens2
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:fec8:9f8/64
IP6.GATEWAY:                            --
IP6.ROUTE[1]:                           dst = fe80::/64, nh = ::, mt = 100
IP6.ROUTE[2]:                           dst = ff00::/8, nh = ::, mt = 256, tabl

# 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: ens2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
    link/ether 52:54:00:c8:09:f8 brd ff:ff:ff:ff:ff:ff
    inet 10.0.0.30/24 brd 10.0.0.255 scope global noprefixroute ens2
       valid_lft forever preferred_lft forever
    inet6 fe80::5054:ff:fec8:9f8/64 scope link noprefixroute
       valid_lft forever preferred_lft forever

2. Отключить IPv6, если не нужен, можно так:

[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

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👀 4

1. Устанавливаем статический IP адрес на сервер. ( Замените [ens2] на свое наименование сетевого интерфейса )

2. Отключить IPv6, если не нужен, можно так:

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