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

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5
votes
2answers
151 views

Root folder on my Ubuntu 16.04 with an (X)

I formatted my notebook just now and I installed Ubuntu LTS 16:04, and the folder /root shows with a (X). Question 1: Why? Question 2: How to solve this problem? Notebook- Dell Vostro-14-5480 ...
2
votes
0answers
20 views

Root directory mount in a weird location

I recently installed ubuntu on a new computer (I had it with me on an old laptop before). Usually I would follow some guide to install Ubuntu and assign the correct home folders, swap folders. Now I ...
1
vote
1answer
32 views

Make applications not forget settings

I am running Ubuntu with i3 as my window manager. For some reason, some of my applications forget changes I make to their settings if I am not running the applications as root. For instance, if I try ...
-2
votes
0answers
12 views

Why did this installation program NOT recognize my Root Partition? [closed]

I am trying to install Ubuntu, but during my first attempt this Ubuntu system did not recognize my Root partition. I decided to return to my master file and I designated it with an Active status. This ...
0
votes
1answer
14 views

Authentication agent and i3wm

How does one turn on an authentication agent like Polkit when using the i3 window manager? I would like to get a password prompt whenever I try to launch an application that requires certain root ...
0
votes
3answers
44 views

Is it possible to login as root in this situation?

The Ubuntu server has been not used for about three months and it works not well. When I try to run it the start process stuck on "stopping system V runlevel compatibility". I searched this forum and ...
0
votes
1answer
41 views

Accessing root files by logging in as normal user

After logging in as a root from a terminal, I can create new directories but I can neither see nor manually access them by mouse clicking when log in as normal user in GUI. I can only access them ...
2
votes
4answers
82 views

How do I run any application as root? [duplicate]

While logged in as the root account of a CLI installation, almost every application gives me this error: Don't run this as root! I want to bypass this error and run the application while logged ...
0
votes
0answers
5 views

Blank after login

As soon I login to my account , there is completely no activity just the pointer could be moved. I upgraded it today before that things were fine. Also, I was using Katoolin.
3
votes
1answer
42 views

How do I prevent root access from all TTYs

I am trying to secure root access on my Ubuntu servers (running 14.04 desktop and 16.04 server). I would like to disable root access on all TTYs except TTY1. I know this can be done by editing /etc/...
0
votes
0answers
14 views

automatic logout system display login screen

I changed permission to /usr/bin/sudo folder. Then I cannot login to my user, getting sudo error root login access. I changed permissions of /usr/bin/sudo to 4755 using root login but my other user ...
1
vote
1answer
24 views

Disable root for a group

I have a server and I would like to have it where a group called client can't access sudo/su/root. How do I do that? I know to use the visudo command.
0
votes
0answers
9 views

System Unusable: Ubuntu root drive version must be 16 or more

I am getting an error when adding a hard drive. System Unusable: Ubuntu root drive version must be 16 or more how to solve this? --hs
-1
votes
1answer
33 views

passwd succeeded, had no effect [duplicate]

I am using Ubuntu 14.04. I want to change the password of the root account. I tried the following procedure: Login with my own account (that has the sudo permission) sudo su root passwd Enter the ...
0
votes
0answers
22 views

No root system is defined [duplicate]

I'm a true newbie to Linux, and I have an older 32 bit system that I am looking to install Ubuntu 16.04 on. I am doing this from a bootable USB drive I created. It starts up just fine and goes to ...
1
vote
1answer
86 views

How to prevent execution of “sudo rm -rf --no-preserve-root / ” command? [duplicate]

After going through this question I'm quite scared! It's not that I don't want to use sudo rm command, but I want to inhibit the execution of the sudo rm -rf --no-preserve-root / command. If this ...
0
votes
1answer
68 views

Can't get root passworldless ssh to work

I have master and slave machines and wish to be able to passwordless ssh between root accounts. On slave I did sudo su - root and passwd to set up a root password. On slave I edited /etc/ssh/...
0
votes
1answer
37 views

Ubuntu Touch - root access without signing in

I got an Ubuntu tablet because I expected more freedom and control over my privacy. Now I learn it is not quite like that. If this fails my expectation, the package ships right back... Question: how ...
0
votes
1answer
39 views

How can I make nautilus like this always?

Here is my nautilus opened with sudo nautilus: Here is my nautilus normally opened: I want to make nautilus always like sudo nautilus. How can I do it? Thanks!
1
vote
1answer
66 views

Trying to ssh root, why get permssion denied in 16.04?

I'm trying to set up passwordless ssh between root accounts in 16.04 (needed for Hadoop installs). I set up a password for root by sudo su - root and passwd. When I try e.g. ssh -l root slave3 or ...
0
votes
0answers
25 views

How do I recover 14.04 from “no root file system is defined” while upgrading to 16.04?

This is a problem. I tried to upgrade from 14.04.03 LTS to 16.04 LTS without backing up. (Sorry, my backup drive was full and I didn't know how to restore it.) I used a DVD to upgrade it, and ...
-2
votes
3answers
67 views

How to set up passwordless ssh for root account?

i am trying to follow the instructions here to set up passwordless ssh between root accounts (needed to use Ambari). However this involves ssh-copy-id user@machine and since user is root, when I try ...
0
votes
1answer
59 views

Can I start Terminator as root?

I am using Terminator, because it has cool ability to split itself into more terminals. But can it be run as root, without need to type sudo -i after launch? (adding Run as root into Terminator shell ...
10
votes
2answers
159 views

How to make /sbin/shutdown, /sbin/reboot etc. require sudo again in 16.04?

For whatever reason, we do no longer need to be root (or using sudo) to run /sbin/shutdown, /sbin/reboot etc. This seems to be because those executables are now symlinks to /bin/systemctl which ...
0
votes
1answer
62 views

What is the difference between the group root and the group sudo? Why root user by default is not a member of the group sudo?

I am quite confused regarding this matter. As far as I know the user root has all the privelages. Also all the users of the group sudo has all privelages. But the user root by default is not a ...
0
votes
0answers
36 views

Command “sudo su” is not working [duplicate]

By mistake my bashrc has changed (using source command to a .com file). Now sudo su command is not working. To use root I have to give bash command. How can I return previous stage? Or use sudo su?
0
votes
2answers
48 views

Extending root partition Ubuntu 16.04 [duplicate]

I've run out of space on my root partition and I want to extend it. I've seen another posts of this topic but my lack of knowledge makes it difficult for me to achieve what i want. Here's a screenshot ...
1
vote
1answer
39 views

MySQL does not accept password not lets me reset password by skip-grants-table, unable to login

I terminal I have typed: apt install mysql-server mysql-client It asked me for password and I gave it. Next I typed: mysql_secure_installation It prompted me for password. I am cent percent ...
0
votes
0answers
21 views

My 16.04 laptop just logged me in as root without a login screen

After boot, my laptop on up-to-date kubuntu instantly went to the desktop loading screen without asking for any passwords. Turns out it had logged me in as root automatically. I have not set a ...
0
votes
1answer
57 views

Sudo: /usr/bin/sudo must be owned by uid 0 and have setuid bit set [duplicate]

Help I'm stuck. My login page was looping I checked online came here and most solutions didn't work for instance I didn't have the .Xauthority file listed when I ran the command ls -lah, so I stumbled ...
1
vote
2answers
219 views

Rooting BQ Aquaris M10 tablet? [closed]

With Ubuntu, i think the root access is essential, just like ability to remove any "cloud" apps, like automatic update checks or stuff like crash reports etc. Should i buy this tablet if i need: ...
3
votes
1answer
35 views

Automatically start JetBrains softwares as root (via plank shortcuts) on Ubuntu 16.04

I'm very new to Linux environment, I came from Windows. I've installed Ubuntu 16.04 on my machine (an XPS 15 9550 with a dual boot - Win10), a plank and a theme (macbuntu, don't blame me :p). I'm ...
0
votes
1answer
52 views

Problem with installation of apache solr

I am trying to install apache solr and I am following this tutorial. The problem is when I am trying to run bin/install_solr_service.sh --strip-components=2 it tells that Supported OPTIONS ...
0
votes
0answers
64 views

How to Reset Root password without login? (I know current Root password)

I want to change the root password of my Ubuntu Server without logging in. I know the current root password. I've tried ssh root@SERVER_IP echo "currentpassword|newpass|newpassagain" but it's not ...
1
vote
1answer
38 views

Accidentally created another root user. How to delete or change permissions?

I need a non-root user to do certain (safe) things. I didn't pay attention, and used useradd -ou 0 -g 0 new_user_name, which gave root permissions to the user. It also has the same UID of 0. Before ...
0
votes
0answers
21 views

Root Drive Partition

I am unable to create a new drive. need help...
0
votes
0answers
11 views

System Tunables with sysctl [duplicate]

for my linux foundation study i must do this; In the below we are going to use two methods, one involving sysctl, the other directly echoing values to /proc/sys/ kernel/pid_max. Note that the echo ...
-2
votes
1answer
31 views

Creating long root passwords

Lets say I have root password somepass. Is there a way to create a script that changes my password to a string consisting of the original password concatenated with itself n times ? I.e., if n=3, the ...
0
votes
0answers
24 views

Failed Root Authentication Problem

When I install Ubuntu 14.04, during the installation it never asks for my root password, and when it installs I cannot sign on as the root. Please help
0
votes
2answers
27 views

Can I use binaries compiled for Scientific Linux on Ubuntu?

Can I use binaries compiled for Scientific Linux on Ubuntu? I need to use library called ROOT in old version (released in 2010), but can't find binaries for Ubuntu.
1
vote
1answer
40 views

Run computer as root without terminal [duplicate]

I have a lamp project and I can't move my project in the file I'm supposed to move unless I do it from terminal as root, and then it doesn't let me open the project and change it, I have a lots of ...
6
votes
1answer
176 views

Why does `reboot` and `poweroff` work without super user privileges in Ubuntu 16.04?

There already are a lot of questions about why shutdown and reboot require root privileges. There are many good answers available too. Why do we need to be root in terminal for shutdown and restart? ...
1
vote
1answer
67 views

Can't give write permissions to /root?

I am trying, and failing, to give the user jenkins write access to /root. Firstly: Yes, this is not something you would normally recommend doing. But for some reason Jenkins is insisting on writing ...
-2
votes
1answer
43 views

Changing the root user of MySQL [closed]

How do I change my root user to any other local user on mysql db?Since I have installed Ubuntu all the work is done by this superuser root now just don't want root to do all stuff of mysql...
0
votes
2answers
49 views

Permission difference between root root and www-data root

-rw-r--r-- 1 root root 1502 May 14 23:06 beamingweb.css -rw------- 1 www-data root 894 Mar 28 01:10 icon.ico What is the permission difference between these two files?
0
votes
1answer
34 views

How to run a C++ program in python as a root? [closed]

I want to run a C++ program at boot with root privileges, I could not find how to do it. import subprocess def run_c_program(); subprocess.call("/home/pi..../example") When I run the ...
0
votes
0answers
30 views

Enigmail in Thunderbird works only with root

Hi I have a problem with in Thunderbird with enigmail and pinentry-qt4. I went through several tutorials and forums and followed all the steps. Now I found out that it works fine when I run ...
0
votes
0answers
34 views

Lost my 5 years old ubuntu partition and testdisk is no help

I try to extend my small 5g ubuntu partition in my dual boot computer but I lost all my root partition. I can now boot to windows but the root partition of ubuntu is lost and testdisk does not help. ...
0
votes
2answers
59 views

What does the “sudo” command do, and its usage mandatory?

I run my terminal commands as root but sometimes some programs (e.g., Tor Browser) say "The Tor Browser Bundle should not be run as root. Exiting." I want to understand whether this command is ...
0
votes
1answer
101 views

Mariadb non-root user

I have installed mariadb and when as a Linux root user, I can run mysql command to access the database. But when I try to login as a normal Linux user and run mysql -u root -p, I am getting error: ...