にて作成された root ユーザの公開鍵を、SSH 等価設定構成済みの oracle ユーザを利⽤して、node2 の root ユー ザの authorized_keys へ登録する。 • node1 での作業 OS (Exadata System Software) のアップデート Copyright © 2021, Oracle and/or its affiliates 17 [root@node1 ~]# cp –p .ssh/id_rsa.pub /tmp/id_rsa.node1.pub [root@node1 ~]# chown oracle:oinstall /tmp/id_rsa.node1.pub [root@node1 ~]# su - oracle Last login: Thu Jan 7 04:53:13 UTC 2021 on pts/1 [oracle@node1 ~]$ scp /tmp/id_rsa.node1.pub oracle@ecc5c7n2:/tmp/ id_rsa.node1.pub 100% 395 349.1KB/s 00:00 [opc@node2 ~]$ sudo su - Last login: Thu Jan 7 04:48:55 UTC 2021 [root@node2 ~]# ls -l /tmp/id_rsa.node1.pub -rw-r--r-- 1 oracle oinstall 395 Jan 7 04:56 /tmp/id_rsa.node1.pub [root@node2 ~]# ls -l .ssh/ total 8 -rw------- 1 root root 789 Dec 16 12:00 authorized_keys -rw------- 1 root root 1784 Dec 16 12:55 known_hosts [root@node2 ~]# cat /tmp/id_rsa.node1.pub >> ~/.ssh/authorized_keys • node2 での作業