Long Wind wrote: > i run command below and it work in early debian: > > ssh zhou@192.168.1.3 > but new stretch says: > > ssh: connect to host 192.168.1.3 port 22: Connection refused > what should i do? Thanks! Run ssh -v zhou@192.168.1.3 or ssh -vv zhou@192.168.1.3 or ssh -vvv zhou@192.168.1.3 you see more debug output. if you have questions paste output here regards