The name of the main administrative user commonly used in *nix based systems.

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3
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1answer
563 views

AIX 7.1 su root password bug?

In our AIX 7.1 machine there is a weird bug we've ran into.. If you are logged into the AIX box via SSH as a regular user and you try to su - you get prompted for the password, lets say our password ...
1
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2answers
172 views

Using the root account on a single-user system [closed]

On Linux systems it is widely considered a best practice using the root account only on occasions that necessitate administrative privileges, or disabling it altogether and relying solely on sudo to ...
2
votes
1answer
4k views

sudo: must be setuid root

I rented a server (ubuntu 12.04). They gave me a root user account. Next, I went in and created a new user using: # adduser <newusername> And added a password. The new user account works ...
2
votes
1answer
2k views

SSH: remote switch user and execute command under this new user

I am able to connect to remote machine using public/private keys (without password) as user wakatana. On remote machine I am able to issue: sudo /usr/bin/rootsh -i -u root then I type root's password ...
0
votes
5answers
5k views

recovery of password for root in Ubuntu 12.10

I installed Ubuntu 12.10 on my 32-bit machine using Ubuntu installer and gave a password(and the account name was 'samsung') when prompted. Later I was able to use that password for logging in, ...
0
votes
0answers
1k views

How to recover the root password (passwd/chroot not found)?

I did init=/bin/bash, ctrl-x, mount of root, but when I try to run chroot or passwd it simply doesn't find any command. I see many tutorials, but they assume I have passwd and chroot. But I have ...
1
vote
1answer
456 views

Developing and deploying application that will run as root using setuid?

I have an application that needs to run with root permissions. Using setuid bit on the application file seems like a logical choice. My understanding of setuid is that the files should be owned by ...
0
votes
2answers
348 views

Given I have root on and Android system and can access the shell, am I still restricted in what programs I can run?

Obviously, Android runs applications in sandboxed mode for security reasons, but if I have root and shell access on an Android device, can I then treat it as a regular linux distro, and run any ...
3
votes
2answers
1k views

How to install skype on CentOS without root access

So I'm trying to install Skype on my office computer which has CentOS6.4 and where I have no root access. http://www.skype.com/en/download-skype/skype-for-computer/ only offers binaries for Ubuntu, ...
-2
votes
2answers
1k views

Change /etc/, /var/ permissions to 777

Well, I was being lazy to properly setup the properties of the files and now I set up the permissions recursively the folders /etc/ and /var/ to 777. Now I can't ssh into the machine but worse I can't ...
0
votes
1answer
191 views

Create user with partial root permissions

Is there any way to create a user with partial root permissions on a GNU/Linux system? For example: A user who can use the useradd and userdel tools, but nothing else besides regular user ...
0
votes
1answer
1k views

How to add yourself to sudoers list?

I was trying to install a package using the command: sudo apt-get install ruby-rvm But I'm prompted with nish is not in the sudoers file. This incident will be reported. I tried to add myself ...
1
vote
3answers
264 views

Linux - Protection from ourselves (Root)

I love Linux and everything she stands for; however, unfortunately I grew up with Windows. Thusly so I have learned very bad practices (such as NT Authority will protect me). I have several Linux ...
2
votes
2answers
3k views

Why is the User created during linux installation not the root user? [closed]

Whilst I was installing Linux Mint... I created a user profile.. then after the installation was complete I tried installing NASM but after executing the make install command it failed to create ...
0
votes
1answer
343 views

Why do linux packages expect root permissions to install?

This is a question about the design choices of *nix, not how to avoid it. What is the purpose for requiring root access to install most packages? It seems like a potential security hole to require ...
-4
votes
2answers
557 views

Preventing execution of sudo rm -rf /*

Do any Linux distros prevent the execution of sudo rm -rf /* so that people do not accidentally delete their hard drives if they did not know what they are doing?
21
votes
2answers
27k views

Does the root account always have UID/GID 0?

On all the Linux systems I've managed, the root account has a GID and UID of 0. Is this guaranteed, or is it possible that the system will give root a different ID?
3
votes
3answers
305 views

Can we have a user with the same powers/priviliges as root?

I am confused on the following in linux. Can I have a user to have the same permissions as the root. In Windows any user can be the administrator but I am not clear exactly about this on Linux. It ...
0
votes
3answers
209 views

Should I have duplicate root users in my Users directory?

I think I may have duplicate root users on my system. I changed directories to /Users, then ran ls -la -e I get this returned: total 0 drwxr-xr-x 5 root admin 170 Aug 31 2012 . drwxrwxr-t ...
4
votes
4answers
647 views

How to hide a code from myself until a specified time?

Essentially, what I need is some way to generate and store a random string (20 characters long, say) for some period of time, such that there is no way for me to recover the string until the end of ...
1
vote
0answers
204 views

Debian/Ubuntu apt or pbuilder without root privileges?

I want to use apt or pbuilder to build a package in user's home directory. The home directory has enough space to hold the package's source, its dependencies and binary output. But the apt and ...
0
votes
0answers
30 views

Cannot login to server after file permissions change [duplicate]

I am using Ubuntu server. I ran: chmod -R 700 / when I was logged in as root. Now when I try to login as my normal user I immediately get kicked out. Is there anyway to log back in to the server ...
1
vote
1answer
175 views

Swap and Root: same partition

I have 3 partitions, and I can't delete any of them. (Recovery, SYSTEM, C:), and I need to install GNU/Linux. How can I have swap and root on the same partition?
-1
votes
1answer
94 views

Why i can not connect myself as root on mac using the terminal?

Actually i have to connect myself as an admin : ssh user@xxx.xxx.xx.xx to log into the mac and then use "su" to be as root. I can't connect myself directly as root! WHY?!?....
0
votes
1answer
184 views

Sudo password not required? OS X 10.8 (Mountain Lion)

I recently upgraded to a Macbook Pro Retina running OS X 10.8.3. I was going through the process of installing various command line tools when I noticed that it wasn't asking for my root password when ...
0
votes
2answers
380 views

Deleted user and root account on debian

One of my colleague removed by error etc/passwd and etc/shadow files. The problem is that now the system doesn't have any account.Impossible to connect by ssh or to work on it. How can I create a ...
1
vote
0answers
808 views

permit root login red hat

I'm bit confused because I can't perform such an easy thing as permitting root login to the server (I'm using redhat). I changed PermitRootLogin from no to yes on the server's /etc/ssh/sshd_config and ...
2
votes
1answer
2k views

OS X 10.8.3 root user account permissions corrupted

I'm running into a root permissions issue on OS X 10.8.3. This is manifesting itself in various forms. It became clear after trying to execute a self-update of MacPorts. The following issue ...
0
votes
2answers
92 views

Restoring a Password in Single-User Mode?

I had changed a password for an account titled student with no password by doing this in single user mode, fsck -fy mount -uw / passwd student The password now is student, but when I try to ...
0
votes
2answers
4k views

Can't change root password in Ubuntu

I am trying to change the root password in my Ubuntu system but I am getting an error. I disabled password prompt when calling sudo. So I can execute root commands (eg. sudo apt-get install) without ...
0
votes
2answers
3k views

Reset root password of a VM

I removed (distrattament) my "sudo" user from sudo group user, I can't use root because I don't know a password for root. I have an Ubuntu virtual machine and when I open Recovery Menu is limited ...
-1
votes
2answers
341 views

passwords, vpn, root access, what happens if I die? [duplicate]

I work with two partners/friends and I'm the one who takes care of all the tech stuffs here. I hired consultants, programmers and each of them have parts of the credentials. But turns out I'm the only ...
0
votes
3answers
115 views

What types of users can I use with “sudo”?

I thought you could only use sudo to temporarily become root: sudo vim /etc/resolv.conf But recently I saw a shell snippet depicting a user using sudo to become a specific user: sudo -H -u devops ...
0
votes
2answers
3k views

How do I stop using root privileges? [duplicate]

I know this is extremely basic, but I am using Ubuntu Linux and I have just typed in sudo su I entered my password and performed the actions that I had to get done. Now how do I stop being root ...
0
votes
1answer
417 views

How to config sudoers file?

I'm using ubuntu server 12.04 LTS I want to know how to configure my sudoers file (obviously, using visudo), to permit an user to run commands like root (doing something like "sudo service x ...
1
vote
1answer
608 views

How to setup cPanel with multiple hard drives on dedicated server

I have a dedicated server with OVH for my website that has 2x2TB SATA3 hard drives. Currently I am using about 12GB with files and MySQL databases, however, an email notification I got from them told ...
1
vote
3answers
1k views

Lost root access possibility /sbin/nologin

I accidentally edited the file /etc/passwd on my server in the following way: root:x:0:0:root:/root:/sbin/nologin Now I cannot login as root. When I enter the su command, the following is ...
3
votes
1answer
5k views

turning off password expiration on linux

I see a lot document suggest to use chage on debian and ubuntu, apt-get update && apt-get install chage does not install the package, e.g. root@ubuntu:~/Desktop# apt-get install chage Reading ...
1
vote
1answer
3k views

How to run 'ifconfig wlan0 down/up' with a comm user?

I need to run ifconfig wlan0 down and ifconfig wlan0 up with my common user. How can I perform this?
1
vote
2answers
1k views

Command to run as root on boot isn't working

I need to run the following command sudo xhost SI:localuser:root every time I start a machine of mine. So I'd like automate this process. I'm using Ubuntu 12.04 LTS for this. I tried put this command ...
4
votes
2answers
7k views

How do I install python with proper permissions?

So python installed probably fine. Or perhaps it was already on here (I'm using xubuntu 12.10). But I tried to install networkx today using pip: pip install networkx then says I don't have ...
0
votes
2answers
521 views

How to launch a daemon as root in OS X

I put my plist in /Library/LaunchAgents and my exexutive program in /usr/libexec and daemon statrs when system startup . But this daemon is owned by user . I try to put my plist in ...
0
votes
1answer
184 views

Timeout access with Shell

Hi I have a Debian 6 Webserver to which I can connect with Putty. But if I leave Putty open then even after 2 days I am still logged in. I have got 2 questions: How can I make sure that I will be ...
2
votes
1answer
144 views

Should you disable SSH login with root on your server? [closed]

Someone told me to disable SSH login with root for security reasons. Might I ask, why is this necessary, exactly? Wouldn't setting a very long (20+ chars long), full-printable-ASCII range, random ...
1
vote
2answers
631 views

Why doesn't this spawn a root shell?

I'm on OSX 10.8. Before my experiment it's like this: Nathan-der-Graue:~ max$ ls -l /bin/bash -r-xr-xr-x 1 root wheel 1333920 17 Feb 15:22 /bin/bash Then I run Nathan-der-Graue:~ max$ sudo ...
0
votes
1answer
484 views

Difference between su command for Fedora and Ubuntu?

To log in as root while using Fedora I use : su and then enter the password. But while using Ubuntu this fails even if I use the correct password. But if I enter: su -s and then enter the ...
0
votes
0answers
487 views

OS X Lion Still Broken: root user account will not logout, shutdown, or restart

Is there a fix for the Lion Root User Logout Problem? After logging into the root user on Lion I cannot logout by choosing logout, I cannot shut down the computer by choosing shut down, I cannot ...
6
votes
3answers
1k views

I just ran rm /* accidentally, any fix?

I fell so stupid... I just ran rm /* accidentally, but I meant rm ./* on a cloud server with root access. Now, no one command works. ls, ssh, sftp... none. Is there a way to fix that? (Note: params ...
0
votes
2answers
2k views

Execute a root command every 24 hours after startup

I want to execute a command as root on an Ubuntu 11.04 machine every 24 hours. This machine is not on all of the time, but when it is, it can be left on for days at a time. How should I correctly ...
1
vote
1answer
144 views

Are there risks installing Dropbox using root on Unix?

I have installed Dropbox to my Unix server via SSH as root. I'm wondering if this was a bad idea as Dropbox is now contained under the the root home folder. Are there any additional security ...