單使用者、救援模式、克隆、兩機互聯

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救援模式

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2.選中虛拟機，右鍵單擊》選擇“電源”》選擇“啟動時進入blos”

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3.選擇第3項

4.選擇第2項

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克隆虛拟機

1.選中虛拟機，右擊選擇“管理”》選擇“克隆”

2.vi /etc/sysconfig/network-scripts/ifcfg-....

3.改ip、删除UUID和HWARRD

4.systemctl restart network.service

5.ping網絡

6.設定快照。

1.

[root@localhost ~]# ssh [email protected]

[email protected]'s password: 

Last login: Mon Oct 16 15:58:37 2017 from mey

[root@localhost ~]# ssh-keygen

Generating public/private rsa key pair.

Enter file in which to save the key (/root/.ssh/id_rsa): 

Created directory '/root/.ssh'.

Enter passphrase (empty for no passphrase): 

Enter same passphrase again: 

Your identification has been saved in /root/.ssh/id_rsa.

Your public key has been saved in /root/.ssh/id_rsa.pub.

[root@localhost ~]# ll /root/.ssh/

總用量 8

-rw-------. 1 root root 1675 10月 16 16:02 id_rsa

-rw-r--r--. 1 root root  408 10月 16 16:02 id_rsa.pub

可以使用系統自帶的ssh-copy-id工具。且隻能靠公鑰。

如果修改端口：

2. 也可以采用rsync方式。

3.采用遠端連接配接工具複制公鑰粘貼

[root@localhost ~]# vi /root/.ssh/authorized_keys

本文轉自 蝦米的春天 51CTO部落格，原文連結：http://blog.51cto.com/lsxme/1974094，如需轉載請自行聯系原作者