1.生成秘钥对并指定秘钥对名称:ssh-keygen -t rsa -f other -C "for other" 2.将other.pub公钥添加至要免密登录的服务器3.使用指定other私钥登录远程服务器:ssh -i ~/.ssh/other 124.202.149.13 -p36000 4.指定私钥远程scpscp -P36000 -i ~/.ssh/other jiradb-2019-05-20.sql 124.202.149.13:/data/backup/jira/