批量修改centos7 ssh多端口

# 操作步骤
vim /etc/ssh/sshd_config 
Port 22
Port 51810
service sshd restart
# 连接测试
ssh -p 51810 172.17.117.41 

# 单个执行
ansible 172.17.117.41 -m shell -a "sed -i '17aPort 22' /etc/ssh/sshd_config"
ansible 172.17.117.41 -m shell -a "sed -i '17aPort 51810' /etc/ssh/sshd_config"
ansible 172.17.117.41 -m shell -a "service sshd restart"

# 批量执行
ansible crawler -m shell -a "sed -i '17aPort 22' /etc/ssh/sshd_config"
ansible crawler -m shell -a "sed -i '17aPort 51810' /etc/ssh/sshd_config"
ansible crawler -m shell -a "service sshd restart"