Questions about either authorization policy (who should be given access to what) or mechanisms (how to enforce the policy, how to grant or deny access).

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1answer
66 views

Set a password on Damn Small Linux

I'm running Damn Small Linux. When you open the command prompt, you are automatically logged in as the default user called dsl and granted root privileges (with sudo). How can I set a password for the ...
10
votes
1answer
131 views

D-Bus authentication and authorization

I'm trying to set up remote access to D-Bus, and I don't understand how authentication and authorization are (not) working. I have a D-Bus server listening on an abstract socket. $ echo ...
0
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0answers
24 views

Customized Restricted shell

I want to implement authorization of bash commands.I started with TACACS+ Server and tacplus package.I did not find a way to do that.After that I Implemented some restricted shells.first bdsh that was ...
1
vote
2answers
192 views

What is difference between pbrun and sudo command?

What is difference between pbrun and sudo command? I have seen people executing pbrun sudo su - what this means? I know su -, it will try to switch to root user. What speciality pbrun gives to sudo ...
1
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2answers
99 views

curl authentication works but I cannot reach other pages

I'm trying to use cURL to automate some processes that we usually do using a website. I was able to login to the website using curl and the following command: curl -k -v -i --user ...
1
vote
1answer
77 views

Server Authorization directory incorrect ownership during linux mint installation

When installing linux mint 17.1 from a bootable usb onto a hard drive I get the following message: 'Server Authorization directory (daemon/servAuthDir) is set to /var/lib/mdm but is not owned by ...
0
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1answer
136 views

Authconfig doesn't find all ldap groups

My (soon to be) admin account is in two groups: # ldapsearch \ > -v \ > -H ldaps://localhost:636 \ > -D "${l_dirmgr}" \ > -w $(cat ${f_dirmgr_passphrase}) \ > -b ...
6
votes
1answer
416 views

Apache Authorization for the Allowed Users?

I have read the answer to this question: http://stackoverflow.com/questions/4102763/apache-basic-authentication-except-for-those-allowed It helped me understand how to not authenticate some users ...
1
vote
2answers
687 views

Shell Script - how to scp into remote server and download files and protect password

I have a remote server that I need to download Apache logs from. I can manually scp into the server and get the files, but I'd like to put this in crontab. The only way to automate it is to include ...
2
votes
1answer
456 views

Creating a linux user with limited privileges for ssh tunnelling

I am following this post to create ssh tunnel to mysql. The details description of my application scenario is given in my other SOQ. I exactly followed these steps to create a user: useradd -s ...
2
votes
0answers
485 views

Is there an alternative to OpenLDAP / Kerberos? [closed]

Are there ways to do centralized secure network-based authentication & authorization and user management that aren't OpenLDAP and Kerberos? Frankly, Kerberos is a nightmare to configure, leaving ...
2
votes
1answer
574 views

Why is bluetooth-agent getting stuck on authorizing?

I am trying to manually connect between my laptop and phone. I have bluez-utils version 4.98-2ubuntu7 installed. When I run the agent on the terminal, I get: asheesh@U32U:~$ sudo bluetooth-agent 4835 ...
9
votes
2answers
205 views

How to automatically enter sudo's grace period upon CLI login?

What I would like to do is be able to login and sudo commands immediately without entering a password again. It is very redundant to type my password twice in a row when I need to login and run a ...
1
vote
1answer
150 views

SELinux policy to authorize some users to start / stop certain services

How can I give certain users authorization to start and stop certain services? I am asking specifically about Fedora 19 systems with SELinux installed. The utility to call for services administration ...
2
votes
2answers
791 views

How to password-protect a script on Linux?

How do you set a password to execute a command or script in Linux? I need to avoid a script (in which user and password details are included) from being used/executed from unauthorized users. So is ...
-1
votes
3answers
339 views

Is there a way to 'authorize' a command typed in by a user?

is there a way we can authorize a command typed by a user before it takes effect? For example, when a user types cp file1 file2, the command will not be executed and a root / root-equivalent user ...
1
vote
3answers
11k views

User denied ssh access while in AllowUsers list

I've inherited the administration of a linux box in my workplace; it was set up by a colleague who is now gone. Recently, I added a new user to the system, and tried to give her ssh access as well; ...
2
votes
2answers
1k views

Allowing ssh, but only to execute a specific script [duplicate]

Possible Duplicate: Creating a UNIX account which only executes one command There is a shell script which has to be executed through an existing user account XXX. Now I have various other ...
2
votes
1answer
444 views

How to associate only one public key with a restricted shell like scponly?

I'd like to use a passwordless key to perform e.g. unison synchronization while being able to SSH into the server only with a password-protected key. The usual way of using scponly is changig the ...
3
votes
1answer
3k views

How to ensure that anonymous FTP has been disabled on a Solaris 10 system?

What line in which configuration files in the /etc/ftpd directory do I have to check to ensure that anonymous FTP has been disabled? From my understanding now, to ensure that anonymous FTP is ...
1
vote
0answers
64 views

Run a script (for an app GUI) when logged from NX but limit shell commands on terminal

I have a user which will be accessing an app GUI via NX NoMachine. I want to allow this user to execute the command to bring up the app GUI (done automatically by NX) BUT prevent him from executing ...
2
votes
0answers
376 views

Pulseaudio/X permission other user/SSH

My user user1 is running a graphical X session with pulse configured per-user. I need to run a graphical program that uses audio with user2. If I do su user2; program program doesn't start and I ...
1
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1answer
105 views

kdm cannot authorize my user?

I've upgraded my virtual machine from Opensuse 12.2 M3 to 12.2 Beta 1 and it hangs at the startup after the mysqld. However I can manually access a terminal and start kdm as root but kdm doesn't ...
3
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2answers
13k views

Mount device with r/w access to specific user

How can I mount some device with read-write access to specific user?
11
votes
2answers
17k views

How to edit authorized_keys?

What is the best method for editing the /root/.ssh/authorized_keys file? I mean if I need to append a new key to my authorized_keys file, than what are the best methods to do that?
34
votes
5answers
43k views

Disable a user's login without disabling the account

Let's say I create a user named "bogus" using the adduser command. How can I make sure this user will NOT be a viable login option, without disabling the account. In short, I want the account to be ...
4
votes
6answers
517 views

Any program like `sudo` to gain root by having two users enter a password?

I run a server which is used by a group of individuals for e-mail, mailing lists, personal web homes etc. I thought about ways to provide root access for other members to allow them handling problems ...