2
votes
1answer
77 views

Default resource cap on root user

I happened to see that on my Ubuntu 12.04 some resources of the root user is capped. I have not capped anything explicitly and my limits.conf as far as root user is concerned is empty. Here is the ...
-1
votes
2answers
338 views

How to create a root privilege file for a normal user?

I got a scenario where a customized Ubuntu 12.04 Linux OS has a read only filesystem which doesn't have terminal access. My goal is to create a file with root access using normal users permission. I ...
0
votes
1answer
37 views

how to stop administrative password change

It is extremely easy in ubuntu to change the administrator password by using the recovery console and dropping to root. Is there any way to stop a root user from changing the administrative password?
0
votes
0answers
23 views

How can I find out if there is malicious code being run on my computer? [duplicate]

I have recently lent my computer to a tech-savvy acquaintance. And I gave him the root password. Doh! Is there any way I can figure out if I got a key logger installed or spyware on my Ubuntu 13.04?
1
vote
2answers
1k views

How do i change the password of root, using webmin in one command line?

I have lost root password of one old server, where i can only have normal user login and via webmin login. Via webmin interface i have one option to execute command, i have been trying the following ...
0
votes
0answers
50 views

Ninja privilege escalation problem

I have a problem with ninja. I think I have configured it correctly. However, when I type in su test to login as test and then run sudo -i the log shows that test is in the ninja group when in reality ...
2
votes
0answers
114 views

Prevent that TrueCrypt gets Administrator rights

If I try to open a TrueCrypt drive, TrueCrypt asks me for my administrator-password (also when I am a normal user). I know, that i can prevent this password-asking by editing the sudoers file = giving ...
1
vote
1answer
54 views

Is there a patch for vulnerability in recent Linux kernels that offers root rights

An error in the handling of special netlink messages in the Linux kernel can allow a user to surreptitiously gain root privileges. To read the rest of the article, please click the following ...
2
votes
4answers
8k views

Why does `sudo passwd root` reset my root password? Is this a security risk?

Both in my ubuntu desktop host and virtual machine. I have't login as root for about a month, during which I upgraded the kernel. I found my root password doesn't work anymore. However, by using sudo ...
6
votes
1answer
186 views

How can Firefox install WebApps without root privileges?

When visiting a supported site Firefox shows a pop-up message asking if you want to install a WebApp (for instance facebook, pandora, etc). If you accept, the corresponding package is installed (for ...
3
votes
2answers
104 views

Security practice regarding users

Please understand that I've migrated to a Ubuntu Desktop from Win7 some months ago and while I have been reading about sudoers and Linux in general my understanding is still limited. This is how I ...
1
vote
1answer
215 views

Ubuntu security with services running from /opt

It took me a while to understand what's going on here (I think), but can someone explain to me if there are security risks with regards to my logic of what's going on here as I am trying to set up a ...
5
votes
2answers
575 views

NVIDIA Linux Driver Hack Gives You Root Access?

Launchpad bug link: https://bugs.launchpad.net/ubuntu/+source/nvidia-graphics-drivers-updates/+bug/1032344 Apparently there is a security vulnerability with the current Nvidia Drivers that gives the ...
1
vote
1answer
84 views

Configuring permissions with Bastille

I was using Bastille to improve the security of my OS. To set this software properly, it ask you several questions related to security rules and you respond it (Y-N). I'm stuck at this question that I ...
1
vote
3answers
330 views

Running Programs As Root While Online

I'm remastering an Ubuntu based distro, meant to be used live only and primarily as a browser so a users hard-drive can be virus free while online. This live browsing adds security for Linux users, ...
0
votes
1answer
270 views

Many process named “su-to-root” appeared on my system monitor, is my computer owned?

Two process named gksu and two process named su-to-root appeared on my system monitor, is my computer owned? How can I be sure, and if this true, how can I rip out the intruder without full system ...
3
votes
2answers
2k views

How Do I Stop The Service Sudo?

I want to make it impossible for any root commands to be issued during a Live Boot session. I don't want anyone being able to sign in as root. Period! So, is it possible to stop the sudo service? ...
10
votes
3answers
787 views

How can I make everything just assume I'm running as the superuser?

Is there a way I can make things just assume that when I run them I am running them as a privileged administrator (AKA root)? I know it could be dangerous and all, but its a risk I'm willing to take ...
38
votes
3answers
6k views

When to use pkexec vs. gksu/gksudo?

There are two general ways to run applications graphically as root (or, more generally, as another user). Programs like gksu, gksudo, and kdesudo are graphical frontends for sudo. In contrast, pkexec ...
1
vote
1answer
1k views

Why there is no password to root under Recovery Mode?

I am trying to understand this situation... Today I got a problem with de sudoers file since I modified and got problem whit this modification. So the only way to solve the problem was to modify the ...
4
votes
4answers
949 views

How to disable GUI root login?

Sometime ago I just tested to see if I could login to desktop from root, and I succeeded. I clicked on Others on the userlist and entered root and its password and logged in. Now I'd like to know how ...
72
votes
17answers
12k views

Why is it bad to login as root?

I've often come across posts on forums or other websites where you see people joking in such a manner about running/logging in as root as if it's something awful and everyone ought to know about it. ...
44
votes
9answers
19k views

What is the difference between “gksudo nautilus” and “sudo nautilus”?

I've been using gksudo nautilus and sudo nautilus through Alt+F2. What's the difference? They look very similar!
24
votes
14answers
8k views

Why is there no option to login as root?

Why does Ubuntu not allow the GUI users to login as root at the time of system start up like administrator in Windows? Why they are restricting us to login only through the terminal?