oracle RAC手動配置互信
cd $ORACLE_HOME/sshsetup
grid的話是GI_HOME(一個節點上跑即可)
```sql
./sshUserSetup.sh -user oracle -hosts "vma vmb" -advanced -noPromptPassphrase
```
叢集(oracle,grid都要做)
node1:
```sql
[oracle @ node1~]$ ssh-keygen -t rsa //一路回車
[oracle @ node1~]$ ssh-keygen -t dsa
[oracle @ node1~]$ cd .ssh
[oracle @ node1.ssh]$ cat *.pub > authorized_keys
```
node2:
```sql
[oracle @ node2~]$ ssh-keygen -t rsa //一路回車
[oracle @ node2~]$ ssh-keygen -t dsa
```
node1:
```sql
[oracle @ node1 .ssh]$ scp authorized_keys node2:/home/oracle/.ssh/
//選yes 輸入二節點oracle使用者密碼
```
node2:
```sql
[oracle @ node2~]$ cd .ssh
[oracle @ node2 .ssh]$ cat *.pub >> authorized_keys
[oracle @ node2 .ssh]$ scp authorized_keys node1:/home/oracle/.ssh/
```
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