The "root" account is the most privileged account on a Unix system.

learn more… | top users | synonyms

4
votes
3answers
52k views

How to properly configure sudoers file, on debian wheezy?

I have seen many blog posts that say, it is enough to do aptitude install sudo su root adduser USERNAME sudo But that only protects aptitude, in other words: aptitude install sendmail will ask ...
0
votes
0answers
13 views

Unable to use Nautilus

I've got Trisquel 7 GNU/Linux distro, with GNOME 3.8.4. I'm finding impossible to create a folder in Nautilus, or drag and drop files into the Desktop, out of other options. I find this quite ...
0
votes
2answers
240 views

Does a user have permissions to write outside /home/userDir?

Does a normal* user have permissions to write anywhere else than his own home dir? (no sudo and those privilege escalation tools) I say normal because I do not know more categories than root and ...
-1
votes
3answers
123 views

How to increase disk space in root?

So I check on my server using df -h and my centos-root is at 99% capacity. Just a few days ago, the root is at 87%. For some reason, it increases so quick. Is there any suggestions on how to reduce ...
0
votes
1answer
16 views

How to add public key to QCOW2 image via virt-sysprep

I am trying to add my public key to the root account on a qcow2 disk image (CentOS 7 Cloud Image). The documentation from virt-sysprep says that it supports adding keys, but I cannot seem to ...
1
vote
2answers
28 views

Changing root's passwords using setuid

Is is possible to change root's password using setuid? What I tried is writing a simple program which calls system("passwd root") owned by root and its setuid bit is set but it didn't work. The ...
11
votes
3answers
13k views

Why cannot find read /run/user/1000/gvfs even though it is running as root?

Can someone tell me what I'm doing wrong, what this is, or how to fix it? I'm running Fedora 18 and getting the error shown [root@servername /]# find . -name ngirc find: `./run/user/1000/gvfs': ...
4
votes
2answers
2k views

How to disable root account on openSUSE?

Is there a way to disable the root account completely on openSUSE so you can administer your system like the way you would do in Ubuntu?
0
votes
2answers
666 views

Root access denied in LiveUSB of Portues

I am on Live Linux USB of Porteus linux and I copied it to RAM. I want to access root folder for making changes so that settings gets saved. but this is showing up
2
votes
2answers
50 views

OpenSUSE disabled root login (no root psswd set) >> yast, config issues

I disabled the root login on my system (blank password). Now I cannot configure my system from GUI (it asks for the root password). Everything is fine in CLI (e.g. launch yast2 from CLI works ...
1
vote
1answer
39 views

PermitRootLogin No and Sudo user – Where is the difference?

So, I've read that I shouldn't permit root logins by disabling them in my sshd_config. I understand how that might make a server safer, but if I have a user that is allowed to do "su root" and log ...
-2
votes
2answers
30 views

Kali Linux: Non root user logging in as root WITHOUT special permissions

I am looking for a command that would allow me to log in as root from a non root account which has no permissions. I cannot add the non root to sudoers. Actually can't access root at all. Is there a ...
54
votes
4answers
49k views

Reserved space for root on a filesystem - why?

I understand that by default, newly created filesystems will be created with 5% of the space allocated for root. I also know you can change the defined space with: tune2fs -m 1 /dev/sdXY What I'm ...
2
votes
1answer
757 views

Granting SAMBA rights and privileges requires root password

Given a default Ubuntu installation, I get the following myusername@EARTH:~$ sudo bash root@EARTH:~# net rpc rights grant myusername SePrintOperatorPrivilege Enter root's password: Failed to grant ...
1
vote
2answers
4k views

How to autologin as root to mint 17.1

I would like to know how to autologin as root on mint 17.1? I've been able to login as root from the login screen (by enabling root access in login window settings and changing the theme to clouds). ...
0
votes
1answer
31 views

Protecting account ssh keys from root

How can users ssh private keys be protected from root stealing and attempting to brute force them? I cannot use selinux as the vendor will not support the app when it's in use? Thanks
0
votes
1answer
2k views

Start application as root at boot time on Ubuntu 14.04

I'm working in Ubuntu 14.04 I have an C++ application which I have compiled. I get the executable which name is "program". Well the thing is that this program use opencv and sockets then if I try to ...
1
vote
1answer
22 views

Meaning of root in GRUB config file

Refering to here with a configuration as grub> root (hd0,0) grub> kernel /vmlinuz-i686-up-4GB root=/dev/hda9 grub> boot The preceding is usually sufficient to boot a Linux box. The ...
0
votes
0answers
26 views

Run mate-terminal on startup as root without password

I am using Linux Mint 17. I want to run mate-terminal on startup as root without need to type password (I want it to perform automatically) and execute python script in it without closing terminal ...
5
votes
3answers
72 views

How does the administrator/root/superuser work in Linux?

We were taught Windows when I was in School. I then opted for a Bachelor course in Computer Engineering where we were made to use Linux instead of Windows. They never taught about basics of Linux and ...
53
votes
6answers
5k views

Why does reboot and poweroff require root privileges?

To restart or shut off Linux from the terminal, one can use reboot and poweroff, respectively. However, both of these commands require root privileges. Why is this so? What security risk is posed by ...
0
votes
3answers
47 views

What additional privileges does the root user have over a standard user? [closed]

What additional privileges does the root user have over a standard user in Linux?
1
vote
0answers
23 views

Lost credentials to a Linux VM

An employee, who left on bad terms, setup a linux server that we need access to but we can't login. It is setup on a hyper-v VM. When booted up it quickly loads the essential drivers then begins the ...
8
votes
2answers
8k views

How to run a GUI program as a different user (Debian)?

Using a terminal, I can change the running user with su and sudo — but how can I do that by clicking on an icon/shortcut on the desktop/start menu? If I have to be root to execute I will be asked ...
1
vote
2answers
67 views

Cracking root user: Automating logging into root using “su” from nonroot user

I want to write a script that allows me to pass a password to the su command. The reason for this is to automate the process of logging into root from nonroot account. From my basic understanding of ...
3
votes
2answers
4k views

Poweroff or Reboot as normal User

To run the command poweroff or reboot one needs to be super user. Is there anyway I can run this as a normal user? I just don't want to sudo and enter my password every time I reboot or power off.
0
votes
0answers
9 views

Non writable folder even for root on linux [duplicate]

is there any folder on linux that are non writable even for root user? Thanks
1
vote
1answer
32 views

Changed ownership of entire os to root:root

I had my file/folder ownerships screwed up, so I thought I "restore" them by applying chown -Rh root:root / and then chown -Rh *username*:users /home/*username* Being a Linux noob, I did not know ...
1
vote
1answer
33 views

Security - Runing Daemon, program as root or user vs sudo su

I have some questions about Linux security: Running a process as root is a big mistake (root has too much power + a program get too much permissions in the system). I always ran processes as a user ...
1
vote
2answers
35 views

Python imports working for root, but not specific user

I'm trying to run a python script through a user account, call it myuser. I want to be able to execute the dropbox.py script without logging into or su'ing into root. The program works perfectly when ...
2
votes
0answers
52 views

tune2fs - how much space to reserve on large ext4 filesystem

I am aware that there are several questions concerning how much space to reserve on a filesystem using tune2fs -m, but some of the advice is contradictory, some seems to be relevant only to the ...
1
vote
0answers
54 views

Run script as root after autologin in X

I've got a public PC on which there are: 1 big screen 1 touchscreen, the user can touch it and navigate through a website the website is in fullscreen, right click is disabled and the keyboard that ...
0
votes
4answers
58 views

Root home is not /root on my debian?

When I use su to get root, and then I cd ~ I am not on the /root, when I ls it shows me a Desktop file and some hidden files like .bashrc, but nothing else. root@debian:~# ls -a . .. .adobe ...
2
votes
1answer
731 views

How to change default root password for Live Kali Linux - USB persistence

After making a USB Live with Persistence stick, I tried to change root default password (using passwd) to no avail. Every time I reboot it resets to the default one. All other changes I've made (e.g. ...
3
votes
1answer
67 views

Does the chown command require root? [duplicate]

I'm user1 and I created the user.file file, so I'm the owner of this file. I would like to change the owner of this file with the chown command as follows: $ chown user2 test.file chown: changing ...
1
vote
2answers
133 views

Execute browser as root

I need to run my browser as root, in order to gain Citrix receiver, which is executed within the browser, permissions to access and edit the hosts file. Otherwise I get this error: You do not ...
2
votes
1answer
368 views

How to expand /boot partition on Ubuntu 15.10?

Recently I made a fresh install of Ubuntu 15.10 on my laptop after erasing everything. I have got notification from update manager to update my system. But I am getting the below error which says the ...
0
votes
0answers
29 views

Linux - What resources require raised privileges C/C++ programming?

I am in the process of developing a daemon and user application which will talk to the daemon over a UNIX domain socket to send commands, get status information, etc. The user application will be run ...
11
votes
2answers
35k views

How do I find out if I am sudoer?

How does Linux system behave when I am not sudoer? Here is what happens if I try to use sudo: server:/tmp>$ sudo cal [sudo] password for user: Sorry, try again. Is it possible that I just don't ...
29
votes
4answers
64k views

Can I change root's email address or forward it to an external address?

I'm getting a lot of mail in my root user's mail account. This appears to be mostly reports and errors from things like cron scripts. I'm trying to work though and solve these things, possibly even ...
2
votes
2answers
10k views

can't ssh into remote host with root, password incorrect

I have a remote host, previously I can ssh into it with root and password ssh root@remote_host or I ssh into it first using a regular user account ssh esolve@remote_host and then su root and ...
2
votes
1answer
103 views

`su` and `sudo bash` give a root prompt that won't execute any command

This is happening on a CentOS 6.7 server, that I can ssh to as root or as my ordinary user. Opening an ssh session as an ordinary user and switching to root within the session gets the expected ...
0
votes
1answer
167 views

How to open Leafpad as root in gnome-terminal in kali linux? [duplicate]

I am following this in which there is some commands: deb [arch=i386,amd64,armel,armhf] http://http.kali.org/kali kali-dev main contrib non-free deb [arch=i386,amd64,armel,armhf] ...
3
votes
1answer
137 views

SELinux and chroot system call

TL; DR: This is a question about the final step, in a portable, developer-oriented rooting process, that works across all Android machines. It is not based on any exploit - it is something that we are ...
1
vote
1answer
268 views

why ssh myLogin@localhost works but ssh root@localhost doesn't? [duplicate]

I know ssh root@localhost is a bad idea...I get it. But why doesn't ssh root@localhost work? I even changed my root password just in case: > sudo -s > passwd But still when I do ssh ...
9
votes
5answers
11k views

Vim Error E138: Can't write viminfo file $HOME/.viminfo!

I'm afraid I've run into something rather strange. When I open a file normally, vim README.txt, everything is fine. But upon sudo vim README.txt, the file renders blank, and gives me a E138: Can't ...
4
votes
4answers
4k views

Problem with vim when logged in as root

When I login as root or edit a file by sudo mode all of the options in my /etc/vimrc are not working (e.g. highlight line-number etc.)
41
votes
10answers
10k views

Non-Root Package Managers

From my research, I seem to notice that all package managers insist on being used as a privileged user and must be installed into /. Typically, what I like to do is create a throwaway account, ...
9
votes
2answers
26k views

why can't I install packages with rpm? I get “transaction lock”

I'm having problems with yum and I am trying to re-install it. I've download yum.3.2.0-40-el6.centos.noarch.rpm. When I try: $ rpm -ivh yum.3.2.0-40-el6.centos.noarch.rpm I get: error: can't ...
21
votes
2answers
2k views

Origin of 'root' account

What's the origin of root account? Where did it come from and why is it called root anyway? (Originally asked by @lizztheblizz on Twitter.)