hadoop生态搭建（3节点）-02.ssh配置

# ssh免密码登录

# ==================================================================node1
# 一路狂按回车,最终生成（id_rsa,id_rsa.pub两个文件）
# root用户无需修改，其他用户需修改权限

ssh-keygen -t rsa

ssh-copy-id -i ~/.ssh/id_rsa.pub node1

# ==================================================================node2

# 一路狂按回车,最终生成（id_rsa,id_rsa.pub两个文件）

ssh-keygen -t rsa

ssh-copy-id -i ~/.ssh/id_rsa.pub node1

# ==================================================================node3

# 一路狂按回车,最终生成（id_rsa,id_rsa.pub两个文件）

ssh-keygen -t rsa

ssh-copy-id -i ~/.ssh/id_rsa.pub node1

# ==================================================================node1

scp ~/.ssh/authorized_keys node2:~/.ssh/

scp ~/.ssh/authorized_keys node3:~/.ssh/

# ==================================================================node1 node2 node3

ssh localhost

ssh node1

exit

ssh node2

exit

ssh node3

exit

shutdown -h now
# 快照 ssh