单用户救援模式克隆两机互联

Posted 2020-10-11

单用户

救援模式

2.选中虚拟机，右键单击》选择“电源”》选择“启动时进入blos”

3.选择第3项

4.选择第2项

克隆虚拟机

1.选中虚拟机，右击选择“管理”》选择“克隆”

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

3.改ip、删除UUID和HWARRD

4.systemctl restart network.service

5.ping网络

6.设置快照。

linux互联

1.

[[email protected] ~]# ssh [email protected]

[email protected]‘s password: 

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

[[email protected] ~]# 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.

[[email protected] ~]# ll /root/.ssh/

总用量 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

[[email protected] ~]# ssh-copy-id -i /root/.ssh/id_rsa.pub [email protected]  拷贝到对方指定目录下

可以使用系统自带的ssh-copy-id工具。且只能靠公钥。

如果修改端口：

 

 

2. 也可以采用rsync方式。

 

3.采用远程连接工具复制公钥粘贴

[[email protected] ~]# vi /root/.ssh/authorized_keys

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