このセクションでは、nmtui コマンドからネットワーク設定する方法を紹介します。
まず、nmtui コマンドが見つからない場合には、パッケージをインストールする必要があります。
[root@kube-master ~]# nmtui -bash: nmtui: command not found [root@kube-master ~]#
NetworkManager のパッケージをインストールします。
[root@kube-master ~]# yum install NetworkManager-tui Loaded plugins: fastestmirror Loading mirror speeds from cached hostfile * base: ftp-srv2.kddilabs.jp * extras: ftp-srv2.kddilabs.jp * updates: ftp-srv2.kddilabs.jp Resolving Dependencies --> Running transaction check ---> Package NetworkManager-tui.x86_64 1:1.12.0-8.el7_6 will be installed --> Processing Dependency: NetworkManager-libnm(x86-64) = 1:1.12.0-8.el7_6 for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: NetworkManager = 1:1.12.0-8.el7_6 for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: libnm.so.0(libnm_1_8_0)(64bit) for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: libnm.so.0(libnm_1_6_0)(64bit) for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: libnm.so.0(libnm_1_2_0)(64bit) for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: libnm.so.0(libnm_1_0_0)(64bit) for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Processing Dependency: libnm.so.0()(64bit) for package: 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 --> Running transaction check ---> Package NetworkManager.x86_64 1:1.12.0-8.el7_6 will be installed ---> Package NetworkManager-libnm.x86_64 1:1.12.0-8.el7_6 will be installed --> Finished Dependency Resolution Dependencies Resolved ================================================================================ Package Arch Version Repository Size ================================================================================ Installing: NetworkManager-tui x86_64 1:1.12.0-8.el7_6 updates 239 k Installing for dependencies: NetworkManager x86_64 1:1.12.0-8.el7_6 updates 1.7 M NetworkManager-libnm x86_64 1:1.12.0-8.el7_6 updates 1.4 M Transaction Summary ================================================================================ Install 1 Package (+2 Dependent packages) Total download size: 3.3 M Installed size: 12 M Is this ok [y/d/N]: y Downloading packages: (1/3): NetworkManager-1.12.0-8.el7_6.x86_64.rpm | 1.7 MB 00:04 (2/3): NetworkManager-tui-1.12.0-8.el7_6.x86_64.rpm | 239 kB 00:00 (3/3): NetworkManager-libnm-1.12.0-8.el7_6.x86_64.rpm | 1.4 MB 00:04 -------------------------------------------------------------------------------- Total 667 kB/s | 3.3 MB 00:05 Running transaction check Running transaction test Transaction test succeeded Running transaction Installing : 1:NetworkManager-libnm-1.12.0-8.el7_6.x86_64 1/3 Installing : 1:NetworkManager-1.12.0-8.el7_6.x86_64 2/3 Installing : 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 3/3 Verifying : 1:NetworkManager-tui-1.12.0-8.el7_6.x86_64 1/3 Verifying : 1:NetworkManager-1.12.0-8.el7_6.x86_64 2/3 Verifying : 1:NetworkManager-libnm-1.12.0-8.el7_6.x86_64 3/3 Installed: NetworkManager-tui.x86_64 1:1.12.0-8.el7_6 Dependency Installed: NetworkManager.x86_64 1:1.12.0-8.el7_6 NetworkManager-libnm.x86_64 1:1.12.0-8.el7_6 Complete! [root@kube-master ~]#
NetworkManager サービスを起動します。
■ 起動
[root@kube-master ~]# systemctl start NetworkManager
[root@kube-master ~]#
■ 起動状態の確認
[root@kube-master ~]# systemctl status NetworkManager
● NetworkManager.service - Network Manager
Loaded: loaded (/usr/lib/systemd/system/NetworkManager.service; enabled; vendor preset: enabled)
Active: active (running) since Mon 2019-02-11 10:46:06 UTC; 3s ago
Docs: man:NetworkManager(8)
Main PID: 13829 (NetworkManager)
CGroup: /system.slice/NetworkManager.service
├─13829 /usr/sbin/NetworkManager --no-daemon
├─13845 /sbin/dhclient -d -q -sf /usr/libexec/nm-dhcp-helper -pf /...
└─13861 /usr/libexec/nm-dhcp-helper
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:08 kube-master.novalocal NetworkManager[13829]: <info> [1549881...
Feb 11 10:46:09 kube-master.novalocal dhclient[13845]: DHCPDISCOVER on eth0 t...
Feb 11 10:46:09 kube-master.novalocal dhclient[13845]: DHCPREQUEST on eth0 to...
Feb 11 10:46:09 kube-master.novalocal dhclient[13845]: DHCPOFFER from 172.16....
Feb 11 10:46:09 kube-master.novalocal dhclient[13845]: DHCPACK from 172.16.2....
Hint: Some lines were ellipsized, use -l to show in full.
[root@kube-master ~]#
NetworkManager サービスの自動起動を有効化します。
■ 自動起動の有効化 [root@kube-master ~]# systemctl enable NetworkManager [root@kube-master ~]# ■ 自動起動の状態確認 [root@kube-master ~]# systemctl is-enabled NetworkManager enabled [root@kube-master ~]#
nmtui コマンドを実行します。
[root@kube-master ~]# nmtui
NetworkManager TUI 画面が起動しますので、[ Edit a connection ] メニューをクリックします。
[ System eth0 ] メニューをクリックします。ここでは、 インターフェイス eth0 のネットワークを設定します。
eth0 のネットワークを設定します。
画面を下にスクロールし、< OK > ボタンを押します。
< 戻る > ボタンを押し、前の画面に戻ります。
< OK > ボタンを押し、設定を終了します。
