su is a utility to run a shell or other command as another user (root by default).

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2answers
37 views

Ubuntu CentOS RHEL cross bash script su support

I know that title was a little ambiguous. Allow me to explain our issue. We designed an installer script on Ubuntu since Debian based systems are our primary core, however, some of our cloud based ...
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1answer
104 views

When running 'su - username', pam_group doesn't add additional groups from /etc/security/group.conf but sshd login does?

I am having trouble determining why su doesn't behave as the PAM configuration would imply. In short, using su to become another user should load secondary groups according to PAM configuration, but ...
3
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1answer
58 views

su - -c 'll' other_user results in error, how can I run this other user's alias?

In current bash session, I just want to change to another user for some bash command. The command is aliased to some script defined in another user's .bashrc or .profile. Am I able to make it ...
1
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1answer
28 views

su -c command fails when sending db2 commands

I have a script I've setup to run a number of tasks, one of which is to set up a table in a DB and later remove it (for automated testing). The issue comes that on only a few of the users that I use ...
1
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1answer
32 views

How do I switch user without any references to the old one?

A while back, when playing with unprivileged LXC, I discovered that the command to create a container failed if I used su to switch to the user, but it worked if I used ssh user@localhost to login. ...
1
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1answer
545 views

How to invoke root privileges from a password prompt of “Software Update” window?

When I try to install software updates using the "Software Update" GUI, I am asked for the root password. Although, I can 'su' in a terminal, the password is not recognized as correct in the GUI ...
0
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1answer
47 views

Is there a way to see which user is logged into the system and has switched with “su”?

There are many person that may have access to the system and use a common user with more grants. How can I see which user is running a command? is there a way to use "ps" for that?
0
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1answer
259 views

How do you keep the password hidden when invoked during the su command?

This is the first time it has happened to me where I am using the su command and it actually displays the password on the terminal and doesn't stay hidden. Here is my code snippet: sshpass -p ...
2
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0answers
32 views

limits.conf modification doesn't work

On a SLES 9 machine I added the line: vi /etc/security/limits.conf USERNAME hard cpu 70 but when I check it with "ulimit -a": SERVER:~ # su USERNAME USERNAME@SERVER:/root> ...
2
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0answers
120 views

Understanding getlogin spoofing

My question is in three (or so) related parts: 1) My understanding is that getlogin() will effectively return the auid associated with the process and so isn't actually changable by the user. Is that ...
1
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0answers
45 views

Some commands does not work in su envirorment

I have logged in to CentOS 5 machine with normal user and then I used su command to login as root user. Now commands like ifconfig, useradd, userdel are not working on machine and it gives command not ...
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0answers
831 views

Automate `pbrun su` via plink

I am trying to automate an sFTP process for our project. When I login with PuTTY and manually type the command pbrun su - user1, root access is given to user1 and I am able to do the sFTP process. I ...
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0answers
73 views

can't access account with empty password

I used the passwd command to remove the password for my account. Now, when I try to use su to log in to my account, it won't let me enter an empty password. So now, I can't access my account. Any ...