13.liunx机器互相登录

环境：VMware Workstation 10
系统：Centos7.2

ssh 远程工具
ctrl D 退出登录
ssh-keygen 密钥生成

A,B机器两台，进行互相登录 可以通过SSH密码登录 或者 密钥认证登录

密钥生成

[root@localhost ~]# ssh-keygen PS：密钥生成 Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): PS：可以存放路径，保持默认就好 Enter passphrase (empty for no passphrase): PS：密码设置 ，实验为空就好 Enter same passphrase again: PS：密码设置，实验为空就好 Your identification has been saved in /root/.ssh/id_rsa. ps：私钥 Your public key has been saved in /root/.ssh/id_rsa.pub. ps：公钥 The key fingerprint is: 41:fa:10:41:10:f5:67:44:01:57:a4:09:74:b7:85:9c [email protected] The key's randomart image is: +--[ RSA 2048]----+	o==o=o*=+o.		= = +Eo		o o = .		o +		S

+-----------------+
[root@localhost ~]#

把公钥 存放到另外一台机器上

[root@localhost ~]# cat /root/.ssh/id_rsa.pub
ssh-rsa AAAAB3NzaC1yc2EAAAADAQABAAABAQCqBM+RpSV0Buxyz30k92WopQnyLK7I1uUAu50gF4UcxKD0jVaauDDVwwkfMlVY1gCtm3cEzdAWCMKuvEtkE/59V8DttVAsTL//fzK++3SEolqzu6KyiwmugiT6EsoSWNI957ysCpawE+9tczjmS21YbioQ+k8N4UQFnr3E/cOPABRatsCtMNwnq5nGrV2kj02h733l0+lWpyIfr9j8QvSMt52vpc30btIDRUvzg53ODmh9VhhnqY358Pj61gi+j2a7JGCcwYCOmuRdFT3Ha4xEdkf4MewE53C29XheYiYZHLjdY8w51+yEUBe7+je2379YP65TVpdIAOj76BZomSbZ [email protected]
[root@localhost ~]#

PS：检查没有错误之后 按 “Esc” 进行命令模式 输入 wq 保存退出

setliulnx防火墙一定要关闭

在B机器上输入 ：:ssh xxx.xxx.x.xxx(IP地址) 就可以直接登录了