依赖工具 rssh
yum install rssh -y
修改 /etc/rssh.conf 文件
# set the log facility. "LOG_USER" and "user" are equivalent.
logfacility = LOG_USER
# Leave these all commented out to make the default action for rssh to lock
# users out completely...
allowscp
allowsftp
#allowcvs
#allowrdist
allowrsync
更改用户登录shell
usermod -G rsshuser copy ### 必须要更改数组否则无法运行 rssh shell
usermod -s /usr/bin/rssh copy
测试登录
[root@cn ~]# ssh copy@10.1.x.x Last login: Sat Aug 21 00:37:51 2021 from 10.1.x.x Welcome to Alibaba Cloud Elastic Compute Service ! This account is restricted by rssh. Allowed commands: scp sftp rsync If you believe this is in error, please contact your system administrator.
测试copy
[root@c ~]# scp copy@10.1x.x.x:/tmp/test123 . test123 100% 9 24.9KB/s 00:00