ubuntu上安装ansible

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1 在最新的ubuntu系统上安装ansible : sudo ape-get install ansible

2 切换到root用户生成ssh免密登陆

ssh-keygen -t rsa

ssh-copy-id -i /root/.ssh/id_rsa.pub root@ip(ip是被ansible管理的节点地址)

root@pxy-p:/etc/ansible# ssh-keygen -t rsa
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.
The key fingerprint is:
SHA256:AsNJM46Bt5GCyQtaNXQOik+hKDAD9hRQZkIuMz3I/1g root@pxy-p
The key's randomart image is:
+---[RSA 2048]----+
|XB=XX . |
|%O@O O |
|%*B+* . |
|+*o. o |
| .. E. S |
| + . |
| . . |
| |
| |
+----[SHA256]-----+
root@pxy-p:/etc/ansible# ssh-copy-id -i /root/.ssh/id_rsa.pub root@100.98.40.134
/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@100.98.40.134's password: Number of key(s) added: 1Now try logging into the machine, with: "ssh 'root@100.98.40.134'"
and check to make sure that only the key(s) you wanted were added.root@pxy-p:/etc/ansible# ssh 100.98.40.134
Welcome to Ubuntu 16.04.5 LTS (GNU/Linux 4.15.0-29-generic x86_64) * Documentation: https://help.ubuntu.com
* Management: https://landscape.canonical.com
* Support: https://ubuntu.com/advantage6 个可升级软件包。
0 个安全更新。Last login: Tue Oct 30 16:29:25 2018 from 100.98.40.167
root@pxy-snow:~# exit
注销
Connection to 100.98.40.134 closed.
root@pxy-p:/etc/ansible#