文档课题:Linux服务器互信配置.
配置ssh用户等效性
[root@rac3 tmp]# su - grid
[grid@rac3 ~]$ mkdir ~/.ssh
[grid@rac3 ~]$ chmod 700 ~/.ssh
--使用如下命令生成用户身份认证秘钥
[grid@rac3 ~]$ ssh-keygen -t rsa
--一路回车
[grid@rac3 ~]$ ssh-keygen -t dsa
--一路回车
节点1:
[grid@rac1 ~]$ ssh rac3 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
[grid@rac1 ~]$ scp ~/.ssh/authorized_keys rac3:~/.ssh/
节点2:
[grid@rac2 .ssh]$ ssh rac3 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
测试
节点3:
[grid@rac3 .ssh]$ ssh rac1 date
[grid@rac3 ~]$ ssh rac1-priv date
[grid@rac3 .ssh]$ ssh rac2 date
[grid@rac3 ~]$ ssh rac2-priv date
节点1:
[grid@rac1 ~]$ ssh rac3 date
[grid@rac1 ~]$ ssh rac3-priv date
节点2:
[grid@rac2 ~]$ ssh rac3 date
[grid@rac2 ~]$ ssh rac3-priv date
#需要达到不输入yes
配置ssh用户等效性
[root@rac3 tmp]# su - oracle
[oracle@rac3 ~]$ mkdir ~/.ssh
[oracle@rac3 ~]$ chmod 700 ~/.ssh
--使用如下命令生成用户身份认证秘钥
[oracle@rac3 ~]$ ssh-keygen -t rsa
--一路回车
[oracle@rac3 ~]$ ssh-keygen -t dsa
--一路回车
节点1:
[oracle@rac1 ~]$ ssh rac3 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
[oracle@rac1 ~]$ scp ~/.ssh/authorized_keys rac3:~/.ssh/
节点2:
[oracle@rac2 ~]$ ssh rac3 cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys
测试
节点3:
[oracle@rac3 ~]$ ssh rac1 date
[oracle@rac3 .ssh]$ ssh rac1-priv date
[oracle@rac3 ~]$ ssh rac2 date
[oracle@rac3 .ssh]$ ssh rac2-priv date
节点1:
[oracle@rac1 ~]$ ssh rac3 date
[oracle@rac1 ~]$ ssh rac3-priv date
节点2:
[oracle@rac2 ~]$ ssh rac3 date
[oracle@rac2 ~]$ ssh rac3-priv date
#需要达到不输入yes