设置带有AWS EC2实例的RStudio服务器的密码

Question

I managed to follow all the steps to create EC2 instance and install R Server on it.

When I go to RStudio Server page to connect (which looks something like "ec2-[Public IP]-.eu-west-3.compute.amazonaws.com:8787") , I am asked a username and a password.

I figured out to set a username ("user1") this way:

$ sudo useradd user1

But then when I try this command to write the password:

echo user1:password | chpasswd

I receive this message: chpasswd: cannot lock /etc/passwd; try again later.

I looked at different solutions suggested here:

https://superuser.com/questions/296373/cannot-lock-etc-passwd-try-again-later

but I do not see a resolution to my problem.

I did not find either any passwd.lock, shadow.lock, group.lock, gshadow.lock files to remove.

Answer 1

输入“ sudo passwd your_username ”，系统将提示您输入新密码