Virtual Users With Postfix, PostfixAdmin, Courier, Mailscanner, ClamAV On CentOS

[vmail@as i386]$ sudo yum install libtool postgresql-devel gdbm-devel pam-devel expect openldap-devel
Password:
Sorry, try again.
Password:
Sorry, try again.
Password:
sudo: 2 incorrect password attempts

What password is it asking for? yum?

 

So do you mean root? I enter the root password and I keep asking me for more passwords

 

It's not asking for the root password, but for the password of the user that is running sudo.

 

Following the thread, http://www.howtoforge.com/virtual_users_postfix_courier_mailscanner_clamav_centos

"Next we switch to this user

su vmail
sudo yum install libtool postgresql-devel gdbm-devel pam-devel expect openldap-devel"

Why does it need to sudo yum? yum is not a user in my CentOS at all.

 

yum is not a user, but a command. Please see

Code:

man sudo