- control node 에 ssh-keygen 생성하기
[root@ansible-control ~]# ssh-keygen Generating public/private rsa key pair. Enter file in which to save the key (/root/.ssh/id_rsa): 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. ...
- 생성된 key 를 host 서버에 전송하기
#### ssh-key 전송하기 [root@ansible-control ~]# ssh-copy-id hosta /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@hosta's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'hosta'" and check to make sure that only the key(s) you wanted were added. [root@ansible-control ~]# ssh-copy-id hostb /usr/bin/ssh-copy-id: INFO: Source of key(s) to be installed: "/root/.ssh/id_rsa.pub" /usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to filter out any that are already installed /usr/bin/ssh-copy-id: INFO: 1 key(s) remain to be installed -- if you are prompted now it is to install the new keys root@hostb's password: Number of key(s) added: 1 Now try logging into the machine, with: "ssh 'hostb'" and check to make sure that only the key(s) you wanted were added. ### 접속 확인 [root@ansible-control ~]# ssh hosta Last login: Wed Jan 27 14:42:56 2021 from ansible-hostb.test.com [root@ansible-hosta ~]# exit logout Connection to hosta closed. [root@ansible-control ~]# ssh hostb Last login: Wed Jan 27 14:42:07 2021 from ansible-control.test.com [root@ansible-hostb ~]# exit logout Connection to hostb closed.
- Ansible 설치를 위해 EPEL Repository 추가 하기
[root@ansible-control ~]# yum install epel-release [root@ansible-control ~]# yum search ansible
- Control 서버에 Ansible 설치하기
[root@ansible-control ~]# yum install epel-release [root@ansible-control ~]# yum search ansible [root@ansible-control ~]# yum install epel-release [root@ansible-control ~]# yum search ansible