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

learn more… | top users | synonyms

0
votes
0answers
167 views

Dual-boot Windows 7 & Ubuntu 12.04 “no root system file defined”

I have a custom PC with a 1TB hard drive. I installed Windows 7 and partitioned the first 500GB for it. I downloaded WUBI and the Ubuntu .iso onto my desktop, ran WUBI and gave it 20GB. When booting ...
0
votes
2answers
94 views

How do i reset root password [duplicate]

I accidentally deleted all admine accounts and when i create a new account it asks for root password i looked up on the internet and i edited the grub menu and typed rw inti=/bin/bash i also tried ...
2
votes
5answers
20k views

How do i allow non-root access to /ttyUSB0 on 12.04?

Since i updated from 10.04 to 12.04, i am unable to acces the device connected in /ttyUSB0 if i dont have root access. To be more specific, i use a usb-to-serial com port converter to acces and ...
1
vote
0answers
27 views

Cannot open applications like Skype

I installed Ubuntu 13.10 and I am unable open some applications like skype unless I am a root. Not sudo skype, but sudo su -> skype. I didn't care about it really (though it was annoying) but now I ...
1
vote
0answers
151 views

virtual device not shown in genymotion emulator when run as root

I added a virtual device in genymotion android emulator as non-root and its not showing up when i run genymotion as root. How can i fix that? How can i share same resources with root and non-root ...
2
votes
2answers
158 views

Text editors need root access to work correctly

I'm using Ubuntu 13.10, and I have a problem with 3 text editors - Geany, Gedit and Sublime Text. These 3 editors cannot access most of their menu items, including Open file and Save file. The only ...
0
votes
1answer
430 views

Unable to SU with root: `/bin/bash: permission denied`

root@frankfurt:~# sudo adduser newuser Adding user `newuser' ... Adding new group `newuser' (1001) ... Adding new user `newuser' (1001) with group `newuser' ... Creating home directory ...
0
votes
0answers
22 views

No root file system is defined/ can not see any drives

Tried installing 12.04 version and now the newest 13.10 and still getting the error that no root file system is defined and unlike other people who had problems I can not see any drives what so ever ...
5
votes
3answers
4k views

Must I enable the root account to install Matlab?

I'm trying to install Matlab R20112a on Ubuntu. My problem is: I get access to the installation gui running ./install from a terminal, but the installer fails when it tries to write on the folder ...
8
votes
1answer
391 views

Script Execution at user logout (non root user)

I am in my university labs running ubuntu 12.10 with unity and I don't have root privilleges. I need to run a script at logout. Is this possible? Note: this is probably a duplicate of this question, ...
0
votes
0answers
33 views

Change Default Keyboard Settings without Root Access

After not having logged into Ubuntu for a few weeks, I booted in to do some updates. I rebooted my computer to find out that my default keyboard settings have been changes, making it impossible to ...
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 ...
0
votes
3answers
145 views

Problem using “sudo su” command

When I use "sudo su" cmd termianl asks for the root passwd. But after one successful login it never asks for authentication again. I want it to ask for authentication everytime.
0
votes
1answer
123 views

How to access the root account home folder? [closed]

I want to access the root account home folder to delete some files because when I logging to Ubuntu 12.04 it says that no enough memory to write after typing the password. But i can log into guest ...
1
vote
1answer
324 views

How do I login as root

In order to change the usb device mount from 'media' to 'scd' I need root privleges. How do I sign in as root using XTERM?
-2
votes
2answers
2k views

How to change permission of /root/opt while it is owned by root

I want to change the permission of the folder "opt" and "usr". It is owned by root. I can't change the permissions at this moment because it's showing "You're not the owner, so you cannot change the ...
0
votes
1answer
340 views

How can I close a root process “unknown TCP” that shows up in nethogs?

How can I close a root process "unknown TCP" that shows up in nethogs? I think my box has been pwned and using nethogs I see a root process of "unknown TCP". Can anyone tell me if this an expected ...
2
votes
1answer
61 views

How to configure SFTP to login in the “/” directory?

I want to login as root and make the / as the default directory in SFTP. Newbie help needed
0
votes
3answers
1k views

Sudo not available in guest login

When I login as guest I am unable to execute any command with sudo. E.g.: sudo ps returns: sudo: unable to change to sudoers gid: Operation not permitted How can I fix this?
0
votes
2answers
2k views

How to free space in root directory and delete unnecessary kernel files?

Off late I am receiving continuous system alerts regarding low disk space in my root directory. I am given to understand that all my system updates are being saved in my root directory instead of my ...
21
votes
6answers
78k 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.
1
vote
0answers
192 views

Why are there multiple Root users in Database?

I'm trying to setup ownCloud in a test lab. At the setup screen (initial login over from the web), I'm having a heck of a time connecting to the MySQL database. I can't log in as either ...
-2
votes
2answers
314 views

how to become a permanent root user in ubuntu [duplicate]

I have found some solutions but what I want to do is I want to become a root user "permanently". When I restart computer I still want to stay as a root user. I don't want to use termanial everytime to ...
0
votes
0answers
33 views

Moving data from external NTFS USB backup drive to root partition internal Adaptec 2820sa RAID 5 [duplicate]

I am a bit of a newbie. I have set up all the drives. I can see them and access the files. When I attempt to move any file from the USB drive to the root drive, it says I don't have root permission. ...
3
votes
2answers
12k views

Why can't i paste anything under the /usr/ folder?

I just wanted to install a theme for the start up screen and I have to copy some files over here to /usr/share/kde4/apps/ksplash/Themes/. But the answer i get is: Access denied. Could not write to ...
0
votes
0answers
58 views

How to copy from localhost to remote server

i am trying to copy a file in my /home folder hello.txt to remote host mak - scp hello.txt mak@10.0.34.22:/home/me but on copying i am getting the following error: scp: ...
2
votes
3answers
2k views

Could not display “/media/…”.The location is not a folder

i have installed ubuntu 12.10 (64 bit) beside my windows 7(64 bit) via wubi.i have just increased the size of root.disk via wubi manual but when i log into ubuntu i can not mount my windows ntfs ...
0
votes
3answers
502 views

how to resize ubuntu 13.10 partition without reinstaling ubuntu [duplicate]

how to merge that unallocated 11gb partition to sda5 "/" (which is extended partition under sda3) please help me i m out of space ! *i m unable to merge that unallocated partition with sda5 nor sda3 ...
0
votes
0answers
36 views

Installing ubuntu with wubi error [duplicate]

Toshiba Satellite u845w-s400. I installed Ubuntu onto my hard drive without a partition using wubi. Then, after the installation was complete,and my computer rebooted. Ubuntu loaded and ran a program ...
1
vote
4answers
133 views

What permissions settings will make /var/www accessible without admin? [duplicate]

As a webmaster I need fast access to /var/www, what should I set in dir permissions to get rid of 'open as admin' in order to file modification and creation? Yet I want it safe as modificable from my ...
1
vote
2answers
98 views

Virtual box doesn't work

Virtual Box doesn't work. When I try to strat any virtual machine I get the next error: Failed to open a session for the virtual machine Windows 8.1. Failed to load VMMR0.r0 ...
0
votes
4answers
1k views

Can't login as root anymore

I wanted to change my username, and tried out this explanation here: http://askubuntu.com/a/205470/112035. First, I changed the username in /etc/passwd to the new one. Then I wanted to change it at ...
4
votes
5answers
22k 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 ...
0
votes
1answer
56 views

how to make /usr/lib owned by root again

I chowned -R username /usr/lib and now i cannot sudo or do any thing really due to sudoers.so belonging to username. How do i fix this and make /usr/lib owned by root again?
0
votes
1answer
341 views

How to deny root SSH login + require SSH key for user?

After reading this similar question I'm unclear how to require SSH keys for user, while denying SSH access to root (key or password). I'll use sudo after logging in as a user if I need to be root. I ...
0
votes
0answers
28 views

why am i getting this error ,when i tried to access one of log file

(gvim:5878): IBUS-WARNING **: The owner of /home/(user)/.config/ibus/bus is not root!
0
votes
0answers
62 views

Is it possible to switch to root at login? [duplicate]

Say I login to my ubuntu server as user "Bob" and I want all my actions to be performed with sudo, is it possible to set some kind of permanent sudo automatically at login? Alternatively, if the ...
0
votes
0answers
26 views

Need help, incidentally switched out of root user!

When I first got this laptop, I had no knowledge what so ever about computers in general. I was messing around with the settings when I saw that my account was identified as a special user or ...
0
votes
2answers
2k views

13.10 login loop, multiple solutions failed

FIXED AT BOTTOM I just installed Ubuntu 13.10 from a live cd via Live Linux USB creator. It installed with no errors. I put an encryption password on the hard drive, then created my user account with ...
0
votes
0answers
108 views

error in Ubuntu 12.04 with root.cern.ch: “undefined reference to:”

I get following errors while I do compiling of data analysis softwares made in my institute. It works on other linux like OpenSuis and not on my Ubuntu 12.04. A bit of google search shown that the new ...
7
votes
2answers
4k 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: ...
1
vote
3answers
7k views

sudo su fails with 'Unable to change to sudoers gid :operation not permitted.' fault [closed]

I have installed ubuntu and now I want to install flex. It asks for password but when I type my password, it asks me the password for root. When I enter the password which I had specified during ...
0
votes
0answers
14 views

How to Increase root space in ubuntu wubi? [duplicate]

I have installed the ubuntu 12.04 LTS using the windows installer After login into root and df -h it shows /dev/loop0 14GB /dev/sda5 50GB here the loop0 is the root folder. How to ...
3
votes
1answer
383 views

Ubuntu won't let me enter my root password

When I was installing a program, it said that I needed to run it as a normal account rather than an administrator account, and so, being the inexperienced person that I am, changed my account to ...
0
votes
0answers
96 views

java applet at startup with crontab not working

I know the question is asked in many variants and I have read them, but still cannot find an answer to my problem. I have a jar file which I want to run at startup as root. I have tried in rc.local, ...
5
votes
4answers
587 views

Service tab-completion broken as root, not even sure where to start looking

On most of our servers, tab completion of service names after typing in the service command no longer works, as root. It works just fine as non-root. This is on Ubuntu 12.04. I'm not even sure where ...
5
votes
3answers
2k views

Set a specific theme for root launched applications

I would like the the applications I launch as root to look differently from the application launched as a normal user. This can be done by using a theme that does not come from usr/share/themes but I ...
0
votes
0answers
91 views

Run a specific program as root without asking for password everytime

I am using ubuntu 12.04 LTS and Many times, i need to connect modem using SAKIS-3G script and because modem-manager sucks many times. I need to supply admin/root password, everytime i need to run ...
5
votes
1answer
10k views

How to mount a drive for other user than root?

I've attached a SSD disk though USB. Then: sudo su - mkdir /mnt/hx chown ondra /mnt/hx mount /dev/sdb1 /mnt/hx # It's FAT32 now, but was the same with EXT4 The last command changes dir owner ...
0
votes
1answer
53 views

Locale reverts to old locale after exiting root?

Heyo~ I am having an issue whenever I change locale. At present, I am getting this error whenever I run the locale command. locale: Cannot set LC_ALL to default locale: No such file or directory ...