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how can i use putty to login as normal user, not root








#0
#before this note: create a new user for my server

#log in as the root
adduser new_user

usermod -aG sudo new_user

su new_user

sudo ls /root










#1
#using password
ssh new_user@myserver -p xxxx











#2
#using ssh-key
#common issue: server refused our key
#this error could be fixed by using "new_user"
#to copy the ssh default file(authorized_keys) of "root" to the /home/new_user


#login with password first
cd
pwd
#/home/new_user


mkdir .ssh
cd .ssh/

touch authorized_keys

sudo cat /root/.ssh/authorized_keys > authorized_keys


#login with ssh-key

done

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