初期設定 : ネットワークの設定2019/09/25 |
| [1] | ホスト名を設定し、ネットワークの設定を固定IPアドレスに変更しておきます。 (ネットワークインターフェース名 [ens2] の名称は環境によって異なるため、自身の環境に読み替え) |
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# デバイス確認 [root@localhost ~]# nmcli device DEVICE TYPE STATE CONNECTION ens2 ethernet connected ens2 lo loopback unmanaged -- # 固定 IPv4 アドレス設定 [root@localhost ~]# nmcli connection modify ens2 ipv4.addresses 10.0.0.30/24 # ゲートウェイ設定 [root@localhost ~]# nmcli connection modify ens2 ipv4.gateway 10.0.0.1 # 参照する DNS 設定 [root@localhost ~]# nmcli connection modify ens2 ipv4.dns 10.0.0.1 # IPアドレス固定割り当てに設定 (DHCP は [auto]) [root@localhost ~]# nmcli connection modify ens2 ipv4.method manual # インターフェースを再起動して設定を反映 [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) # 設定確認 [root@localhost ~]# nmcli device show ens2 GENERAL.DEVICE: ens2 GENERAL.TYPE: ethernet GENERAL.HWADDR: 52:54:00:D0:8F:0B 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]: 10.0.0.10 IP6.ADDRESS[1]: fe80::5054:ff:fed0:8f0b/64 IP6.GATEWAY: -- IP6.ROUTE[1]: dst = fe80::/64, nh = ::, mt = 100 IP6.ROUTE[2]: dst = ff00::/8, nh = ::, mt = 256, tabl> # 接続確認 [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:d0:8f:0b 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:fed0:8f0b/64 scope link noprefixroute
valid_lft forever preferred_lft forever
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| [2] | もし IPv6 は必要ないといった場合は、以下のように無効化が可能です。 |
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[root@localhost ~]#
vi /etc/default/grub # 7行目： 追記 GRUB_CMDLINE_LINUX=" ipv6.disable=1 resume=/dev/mapper/fedora-swap.....
# 変更を反映 [root@localhost ~]# grub2-mkconfig -o /boot/grub2/grub.cfg Generating grub configuration file ... done
[root@localhost ~]#
[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
2: ens2: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc fq_codel state UP group default qlen 1000
link/ether 52:54:00:d0:8f:0b 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
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