Hi folks,

As root I have created 'postgresadmin' as a new user

# adduser postgresadmin

Thereafter root can 'su' postgresadmin without password.

Now I am prepared to allow 'userA' to 'su' postgresadmin

$ su postgresadmin
Password

Kindly advise how to add a password for userA to 'su' postgresadmin. OR which file shall I edit to add a password for userA to 'su' postgresadmin.

TIA

B.R.
satimis

"Kindly advise how to add a password for userA to 'su' postgresadmin. OR which file shall I edit to add a password for userA to 'su' postgresadmin."

Either root or postgresadmin can create the password for postgresadmin by using the passwd command. See:
man passwd

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Steve Stites

Hi jailbait,

Tks for your advice.

I went through man passwd and could not find my answer there. What I want to do is as follows;

Now 'userA' can't su (switch user) 'postgresadmin'. He must su 'root' first with root password and then su 'postgresadmin. But I do want giving userA root password. I expect to create a password for him to su 'postgresadmin

[userA@localhost userA]$ su - postgresadmin
Password:
su: incorrect password

There is no password created yet. I tried 'root password' and 'userA's own password' and all did not work

I am trying to find a correct command line creating a password for userA to su 'postgresadmin' directly/himself.

TIA

B.R.
satimis

"I am trying to find a correct command line creating a password for userA to su 'postgresadmin' directly/himself."

userA cannot create a password for postgresadmin. Either root or postgresadmin can create a password for postgresadmin using passwd. Then userA can su to postgresadmin using that password.

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Steve Stites