need to make password less login for same linux server with same user
121861
No longer have to enter a password to SSH into another server?
47552
How can I limit the login times in linux for certain users?
65829
How to run a command as a user whose login is disabled?
15805
How to avoid being prompted for a password by sudo?
107337
Restricting a user to a certain directory on SSH login
119958
Disable a user's login without disabling the account
20355
Sudo is also user login password - why? how to change?
67038
I can use sudo but I can't use su due to a password Authentication failure, shouldn't both be the same password?
103861
Login without HTTPS, how to secure?
20155
How do I run specific sudo commands without a password?
148398
Disable SSH login via password on a per-user basis?
125940
sudo with password in one command line?
109241
How to set a short password on Ubuntu?
156896
Is it possible to create an Admin Password Key to conveniently login?
88156
Can I set my user account to have no password?
95722
Disable remote logon but still allow su to same user
66328
Transfer logins to another server