Root is the superuser of Ubuntu. Questions about the / or /root folder are better suited for the "filesystem" tag.

learn more… | top users | synonyms

33
votes
5answers
157k views

How to enable root login?

I would like to enable the root account on my Ubuntu installation. I realize the security implications of this.
55
votes
8answers
26k 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!
84
votes
18answers
19k 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. ...
31
votes
1answer
37k views

How do I boot into a root shell?

When booting to the graphical desktop fails we sometimes are recommended to boot into a "root shell" or to boot in "recovery mode". How do I do that?
21
votes
8answers
59k views

How to find out root password for installing software

I'm trying to install the NetBeans IDE in my Ubuntu and in the process it's asking for my root password which I don't remember. I know my sudo user password. How can I recover my root password?
20
votes
8answers
207k views

“No root file system defined” error while installing ubuntu

I am new to linux/ ubuntu and just downloaded the v11 of ubuntu to learn linux. I faced this "No root file system is defined" error while trying to install it. This is how I was proceeding - ...
23
votes
8answers
70k views

How do I get permissions to edit system configuration files?

I can't seem to edit and save config files in the root system (eg: /etc/dhcp/dhcpd.config); it just says "permission denied" or the save option is blocked in the text editor. I'm pretty sure I'm a ...
27
votes
14answers
10k 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?
46
votes
4answers
74k views

Execute sudo without Password?

Inspired by this question.... I am the sole person using my system with 12.04. Every time I issue a sudo command; the system asks for the user password (which is good in its own way). However I was ...
8
votes
3answers
13k views

How to fix sudo after “chmod -R 777 /usr/bin”?

I enetered chmod -R 777 /usr/bin and now sudo is not working. It is giving error that sudo must be setuid root. On looking via Google, some advice said to run chown root:root /usr/bin/sudo chmod ...
27
votes
5answers
7k views

How to NOT become a root user? Are administrators root?

I installed Ubuntu on my PC. To log in, I use the username and password I created during installation. Does this mean I am a root user? If yes, then how do I become non-root? It looks like non-root ...
12
votes
3answers
152k views

What is the default root password?

I installed Ubuntu 12.04 LTS (Precise Pangolin), 64 bit. Nowhere was I asked to set password for root. I just installed AccuRev SCM software. It was installed under the /root folder by default. Now I ...
8
votes
7answers
6k views

What are the benefits of sudo over su?

What is the actual benefit that ubuntu (or debian derivatives) achieve by disabling root user. Everywhere I read, its says to prevent unintentional damages for inexperienced users. I want to know ...
44
votes
3answers
9k 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 ...
38
votes
5answers
37k views

How are administrators supposed to read root's mail?

What is the Ubuntu way for system administrators to receive system notifications, which typically take the form of e-mail sent to the root account? Examples of such notifications are the output of ...
12
votes
4answers
193k views

How do I login as root?

I want to login as root, but when I enter sudo -s and enter password, this message is shown: "you are not in sudoers file", and when I enter su and enter password, this is shown: ...
5
votes
5answers
9k views

How do I open Deja Dup as root?

I wanted to backup /var/cache/apt/archives using 'Deja Dup' but it keeps saying >> Could not backup the following files. Please make sure you are able to open them. ...
6
votes
2answers
5k views

Regain Sudo rights after removing from admin group [duplicate]

I accidentally removed myself from the admin group when editing the user. Now I can no longer use sudo. The error says: ber is not in the sudoers file. This incident will be reported. I booted up ...
16
votes
4answers
31k views

Change owner of internal hard drive partition from root to user

I have a number of drives internal and external. Some are partitioned. Most mount automatically at boot (all did at one point). One partition is owned by root and therefore does not mount ...
5
votes
3answers
31k views

“You are not the owner…” message when trying to access folder

In the properties menu of this folder the permission is set to "root" user and group, it shows the message "you are not the owner, so you cannot change these permissions." I am indeed the owner and ...
3
votes
1answer
240 views

Changed permissions of / to user

I stupidly ran sudo chown -R carlos:carlos / and carlos is my user. This changed all files to be Carlos and I could not boot up again (because the root files were now owned by #1000) and I cant get ...
2
votes
2answers
4k views

Installing programs in root vs home partitions?

I'm a new Linux user and a Windows convert. I tried Ubuntu (Dapper Drake) a few years ago and liked it quite a bit, and I'm in the process of installing Xubuntu 13.10 along side Windows7 on my brand ...
8
votes
3answers
2k views

How to recover root user [duplicate]

I have accidentally changed the root user from administrator type to basic type in the user account page, and now i have no whatever root previligaes on the system, how i can switch back to ...
1
vote
3answers
1k views

How can I get root-like permissions so I can download stuff from the software center?

When downloading an application from the terminal it said I couldn't download it because I wasn't root, and when I got to search for the specific software in the Ubuntu software center it doesn't even ...
12
votes
1answer
2k views

Why do I have low FPS unless root?

Problem: Normal users aren't using the best graphics driver. I first noticed this playing Osmos from the HumbleBundle2, but I can observe it while running glxgears too. Maximised on a 1280x1024, ...
6
votes
4answers
4k views

Is it possible to open directories as administrator?

I want to have a root privileges on some directories. How can I do this?
4
votes
5answers
25k views

How do I resize root partition?

I have a dual boot setup with Ubuntu and Windows 7. I need to shrink my root Ubuntu volume in order to get some free space to create a new partition. Are there any Windows based tools that will do ...
16
votes
3answers
45k views

How to configure ADB access for Android devices?

I'm using Ubuntu 12.10 and I have installed Android SDK, set it's path in my user .bashrc and it works. The problem is that my phone requires adb to be ran by root for permissions, but running adb ...
14
votes
3answers
34k views

What is the difference between 'su -' , 'sudo bash' and 'sudo sh'?

I would like to know what is the difference between su - sudo bash sudo sh I cannot login as root while doing su - because I do not have the root password - I mean I have my user password with ...
2
votes
2answers
2k views

Graphical authentication works; why does sudo say my password is wrong?

I'm trying to install a theme, and when I enter the command sudo cp -r $HOME/Desktop/Overglossed /usr/share/themes the terminal asked for my sudo password which I entered, however I'm told my password ...
5
votes
1answer
4k views

ROOT_MISMATCH error after following FAQ directions

While using Ubuntu One in 11.04 I am unable to change my account info. When I made the switch to 11.04 I forgot that I already had an Ubuntu One account so, I made a new one. However, upon going ...
3
votes
6answers
12k views

Unable to login as root from the login screen even though I have a root account

I have installed 12.04 LTS but surprisingly not able to login as root. I have unlock and set the password for root but while login i can not see 'other' option in GUI login where i can put root id and ...
7
votes
1answer
11k views

Run command at boot as root

I need to run a bash script at boot-time as superuser in Xubuntu. I don't know where to start. I have to do something described in a Arch Linux guide. That guide says exactly: Add following at the ...
7
votes
5answers
56k views

How to change root password in ubuntu?

I am trying to change root password in my Ubuntu system. This is what I did: ashot@ashot-desktop:~$ sudo passwd root passwd: Authentication token manipulation error passwd: password unchanged ...
7
votes
1answer
1k views

How to prevent a file under user folder to be deleted?

How can I make some file impossible to be deleted by user even if it is under his/her home folder?
5
votes
3answers
36k views

How to run a .run file as root?

I downloaded a .run file for a Nvidia driver, but when I run it in the terminal it tells me it must be run as root. I'm a complete noob and I barely even know what root is. I think it's somewhere ...
2
votes
2answers
1k views

what happens if all users are set as standard while root password not set

I don't dare to do as in the title. So I set root password first with sudo passwd root, and then I change all other users to be standard user, none administrator, so no user can sudo. If I want to set ...
9
votes
2answers
9k views

How do I set persistent environment variables for root?

To create persistent environment variables, I add the script file to /etc/profile.d directory, for example: # my script export MY_VAR=var_value This works properly for current user: ...
5
votes
3answers
12k views

Initramfs error during boot

Boot from (hd0,0) ext3 238ac8ca-9576-443d-8e23-8dd836cd2683 Starting up ... mount: mounting /dev/disk/by-uuid/238ac8ca-9576-443d-8e23-8dd836cd2683 on /root failed: Invalid argument mount: mounting ...
2
votes
1answer
357 views

Block a command from sudo user

I don't need an administrator to change my root password. I don't want any sudo user to execute this command: sudo passwd $root I have tried it in the sudoers file using the following command: ...
1
vote
1answer
3k views

How to change owner and permissions of a folder in desktop

The problem is that the folder directory is /home/marek/Desktop/Tekkitserver/3.1.1 and root has all but 5 file ownership and permissions what are inside it. It all happened after I launched tekkit ...
1
vote
5answers
15k views

can't mount ntfs partition without root access

whenever try to mount ntfs partition it says Error mounting: mount exited with exit code 1: helper failed with: Unprivileged user can not mount NTFS block devices using the external FUSE ...
9
votes
5answers
4k views

Why does Ubuntu force users to create a password upon installation?

There's been one problem I've had since I installed Ubuntu to run alongside Windows, I assume this would also be the same if it was installed to replace the other operating system as well, the ...
5
votes
2answers
2k views

How to hide files and folders in Nautilus?

I want to hide, most of the folders in root (/) using Nautilus. Probably the only folders in / I want shown are /home and /tmp. In addition to hiding folders, I also want to hide two files: ...
4
votes
2answers
2k views

Standards accounts are able to get root access using sudo without password request

I have installed a particular software using the installer present using the command sudo ./install.sh. After the installation now all the accounts on my ubuntu laptop can gain root access by ...
4
votes
3answers
32k views

How to run applications as root?

I am having some strange issue with Kate and Kwrite. When I click on Open File, it crashes with segmentation fault. I am a complete newbie to Linux, and I think the issue is that I am not running ...
3
votes
3answers
68k views

What is the default root password when was never set at installation time? [duplicate]

On a standard desktop installation, I created my administrative and user login. Further with some applications, the system ask for the root password. So my question is: What will be the default ...
2
votes
4answers
3k views

Root password needed

When I first installed Ubuntu 13.04 from a USB stick I was asked to fill in for user username and password so I set one on my own. When I run Ubuntu I click log in but it automatically logs me in as ...
1
vote
1answer
182 views

Have put me out of admin

Installed a new user and then tried to create one with the name root, because sudo nerves. Didnot work and i have learnt in the meantime, this is not possible. I am now unable to login into user ...
10
votes
3answers
116k views

How do I set the root password so I can use su instead of sudo? [duplicate]

Possible Duplicate: How to know my root password? Instead of letting you set a password for root during install Ubuntu set it to * for no password and disables the actual account login, ...