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

learn more… | top users | synonyms

19
votes
5answers
1k views

Commands to learn about an unfamiliar system [closed]

You log in to an unfamiliar UNIX or Linux system (as root). Which commands do you run to orient yourself and figure out what kind of system you are on? How do you figure out what type of hardware is ...
1
vote
1answer
46 views

Deleted Sudo and Can't Access Grub

I deleted sudo, and I can't access grub so that I can restore it. I have a bad feeling that I don't have grub. Is there any possible way to restore it? apt-get doesn't work on my computer either.
2
votes
1answer
215 views

How to test if root user is enabled in Mac?

I need to test if Mac root user is enabled or not. I usually enable/disable it by using dsenableroot.
0
votes
0answers
58 views

root's login shell is invalid, how do I restore it?

I have accidentally changed the root user's shell from /sbin/sh to /sbin/false. I don't have any other login and the only way I can access to system is through SSH. How can I retrieve back root ...
0
votes
1answer
40 views

Why can't I create directories under /root as a member of root? [duplicate]

I've done the following: sudo usermod -a -G root userA sudo su - root cd / chmod 775 root ls -aln -- drwxrwxr-x. 6 0 0 4096 Sep 13 22:04 root I can cd /root from my userA, but I can't make ...
2
votes
2answers
217 views

Can't run aplay as root!

Not that I need to aplay as root but it came across me and I wondered why it shouldn't work. # aplay /home/bibek/apert.wav XDG_RUNTIME_DIR (/run/user/1000) is not owned by us (uid 0), but by uid ...
1
vote
1answer
154 views

Bash root to user. Best in same or separate script?

I'm working on a Linux Bash script that needs to start as root. At the end of the script, it builds a list of packages. This requires running as user. Then it will move the packages, which needs to ...
1
vote
1answer
43 views

Linux Mint: make a “public clickable launcher” from a sh root only?

I made a shell script to install packages, configure them, etc. Usually I run it via Terminal sudo sh gizmo.sh Now I aim to put it in a double-clickable file to run it, for any user (no sudo, so su ...
1
vote
1answer
25 views

how to avoid direct/network root login on the system and using some chroot to admin the system?

here the idea for which I seek a solution: I want to have a system with no way to log as root. I want to manage the system (edit /etc/files, (un)install something, etc.) by physically unplug the ...
4
votes
0answers
132 views

allow regular users to use network namespaces

I have an architecture using network namespaces (netns). I would like to allow regular users to do some operations in these netns. I could write a script netns-exec.sh, inspired by this post, ...
2
votes
1answer
728 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. ...
0
votes
1answer
130 views

Manjaro Linux — Can ONLY log in from root account

First time Linux user. Treat me like a complete idiot. Installed Manjaro on VMWare. I'm required to get into this whole Linux thing for college. First problem: Created user account from root. ...
2
votes
3answers
193 views

Allow SSH access but restrict root's access to a given set of IPs

I want to allow SSH for all users as normal except that I want to restrict root's access based on a set of IP addresses. So, users peter, paul, lary can login from anywhere, but root may login only ...
1
vote
4answers
110 views

What's the difference between sudo su vs just su?

I see a lot of posts out there that say you type in sudo su to get an interactive prompt with root privileges, and I see equally many posts debating the pros and cons over sudo -i vs sudo su. Here ...
1
vote
0answers
35 views

Root password not working when trying to update

Running SLES12 on a VirtualBox VM I get the notification that there are software updates. Trying to invoke the update, a popup appears and forces input of administrator password. When I enter the ...
1
vote
1answer
79 views

Is sed run as a different user?

I have a sed script that changes some content in /etc/shadow. The actual change isn't important, I will put it just as an example: root@device:~ sed -i 's/root:\(.*\):0:0/root:\1:10:0/' /etc/shadow ...
0
votes
1answer
7k views

Can't Login to using root user in Kali 2.0 Sana after update

I recently updated my Kali to Sana and I am unable to login as root using my old credentials. I am able to login to the Console with the same username and password but I am not able to login using ...
0
votes
2answers
161 views

How to login as superuser\administrator in Scientific Linux 6 LiveCD?

I have a LiveCD started as a default user. How to login as root? Here it is said that there are boot parameters. How and when to set them?
0
votes
1answer
65 views

Password was required to mount drive but my password didn't work (while still working elsewhere)

Ok guys, me again... I had to reinstall Fedora 22, going well for the most part. Problem is mounting and accessing my Win 7 partition. For some reason when I try to access it from graphic file ...
0
votes
0answers
84 views

can't log in to centos 7 VPS /lib64 missing?

This never happened to me before, but I cannot log in as root. After typing in password, it says Last failed login: bin/bash: No such file or directory Connection closed. Besides ...
0
votes
0answers
22 views

How can I run a command as root user on Ubuntu? [duplicate]

It seems Ubuntu has disabled the root user account so su doesnt work which is causing me an issue where I have an apache log file that is owned by root $ls -al error.log -rw-r----- 1 root adm 2061050 ...
3
votes
2answers
96 views

Why does man page completion fail after su?

I have a default Debian 8.1 installation. I do su man apt<TAB> but get nothing. I do see the manual when I write man apt-get in both modes: as user mas and as root. However, tab ...
0
votes
1answer
78 views

No folders in “/” on hard drive, mounts “/boot”

I already posted my problem on askubuntu, but I hope to reach some broader audience here as I also realize it's not really Ubuntu specific. So I messed up my Ubuntu Server and it doesn't boot ...
-1
votes
2answers
207 views

Free or cheap shell (i.e., platform) to run a Linux C program with root privileges (raw socket)

I'm working on a Linux C program that needs root privileges (raw socket). I would like to run it on a host located in the US (I am in EU) to compare results. Is there any free (or cheap) shell ...
1
vote
1answer
54 views

Set root password AMI linux

I need to set a password for root on EC2 AMI Linux. I have tried with passwd root but if I log in with ec2-user and run sudo su, I get a root bash without asking for a password.
5
votes
2answers
152 views

`sudo cp -a` changes ownership to root (instead of preserving the original user)

I was trying to backup some directories and some of the copies made by sudo cp -av resulted in being owned by root while others preserved their attributes. Is this a known issue or am I missing ...
1
vote
1answer
38 views

Unable to execute program without root privileges regardless of group or permissions

avrdude is a simple tool that allows downloading of a program to a target microcontroller. For completeness, the command I am trying to issue is: avrdude -p atmega328p -c usbtiny -P usb -v -U ...
0
votes
3answers
197 views

Storing text files inside root directory

I am currently in the /bin directory. I am trying to create a text file of the content of the /bin directory and direct it to be stored in another file within the /root directory. I have entered the ...
0
votes
0answers
202 views

Application icons missing from Cinnamon panel when running as root

I've written a little application and added its icons to /usr/share/icons/ path. I use Cinnamon desktop. When I run the application the desired icon appears correctly in the panel. But if I run it ...
1
vote
1answer
106 views

Why gnome-terminal tells me “There is still a process running” while logged in as root?

I'm using gnome on Debian Jessie. When I tried to close terminal after logged in as root, it told me like in the picture below. What should I do to prevent this from happening again? Is it a bug?? ...
15
votes
4answers
3k views

What does “are you root?” mean?

This is what I keep getting: ascendermedia@magic2tower:~$ sudo apt-get install flashplugin-installer bash: sudo: command not found ascendermedia@magic2tower:~$ sudo apt-get install ...
0
votes
0answers
57 views

normal user runnig a bash script containing root command without password

I have a bash script that contains few commands that can only be run by root, e.g. wpa_supplicant. I would like to allow the normal user to run the script without sudo. I found these posts but they ...
0
votes
0answers
121 views

Disabled root Access, how to use FTP

I removed the ability to login using 'root' to stop brute force attacks on my server, instead logging in as a regular user then 'su root' to the root if required. I need to use FileZilla to move, ...
2
votes
2answers
72 views

What can I do to start a terminal in a X server at boot without giving away root priveleges?

The problem: I run Linux on an arcade machine with a monitor that accepts a 15kHz signal. I can't see anything until the X server starts and a modeline gets the GPU to output the correct signal. My ...
1
vote
1answer
65 views

How to make Apache piped logging scripts not run as root?

The organization I work for is very security-minded. There is a separation between the group of System Administrators who are responsible for the operating systems (who, obviously, have root) and ...
1
vote
2answers
62 views

Prevent certain lines of a script to run as root

Suppose I am writing a shell script that requires root privileges to run, for example- #!/bin/sh ip -s -s neigh flush all ufw enable How can I prevent certain lines of code to be run as root, i.e. ...
1
vote
0answers
75 views

compile ffmpeg centos

I used this Guide http://trac.ffmpeg.org/wiki/CompilationGuide/Centos To install ffmpeg in my VPS with CentOS 6 64. But it was installed in /root/bin/ and I need to install it in usr/bin/ to run ...
4
votes
2answers
458 views

How do I run a command without root properties

Say I am logged in root, and some commands don't let me to run them in root. I tried to login different accounts, but I'm not able to do such a thing. How can I execute such command (logged in root) ...
0
votes
3answers
310 views

How to give root power to another user

How to Give all the powers Of Root account to another user account? thanks in advance with full command ad detail.
1
vote
1answer
200 views

Linux Root group change chmod for root owned to 770

I'd like to have normal user account assigned to root group (which I've done already) and change mod of all files that are owned by root user to 770, If I understood it well in result of that every ...
1
vote
1answer
110 views

Why root is not constrained by pam

I have the following settings in file /etc/pam.d/common-password. password requisite pam_cracklib.so retry=3 lcredit=-1 ucredit=-1 dcredit=-1 password [success=1 ...
0
votes
0answers
51 views

Unable to execute root commands using client-connect option openvpn

I'm using the openvpn option client-connect to run a script when a client connects. The scrit works fine when I use simple commands but when I add commands that need root privileges it doesn't work ...
1
vote
1answer
314 views

Why sudo user can use sched_setscheduler SCHED_RR while root can not?

I am running Arch Linux on a Raspberry Pi 2. I have a user-space program that uses Gordon's wiringPi library and, in particular, the piHiPri() function that attempts to set the highest priority for ...
3
votes
2answers
195 views

Prompt for sudo password rather than give access error

Can I configure Fedora 22 so anything needing root privileges asks for a password, rather than giving an error, and needing me to re-run with sudo? I wouldn't even mind having to type my password ...
2
votes
3answers
1k views

How to create root user account in Debian?

I installed Debian OS today and while installation I skipped the option to create root user and chose to use sudo. Now I would like to create root user account. Is there any way to create the root ...
2
votes
1answer
45 views

Mixup between root and first non-root user account

I just installed Debian Jessie and created a user account ("jerome") during installation. I log into my server through SSH as jerome, then use su to work as root. (sudo is not installed and root ssh ...
0
votes
4answers
179 views

sudo for command with specific options

Is it possible to configure sudo to get root privilege to a user for running a program with some special switches? for example, how can I configure it for user admin to run netstat command as the root ...
0
votes
0answers
51 views

sshfs finding the password for the root user of a remote machine?

I'm currently setting my laptop and raspberry pi to have a sshfs link between the two for quick file transfer. I was able to log into the users of each machine using my password with no issue, so ...
1
vote
2answers
313 views

Why can't root delete a file?

On a samba share, I have a .DS_Store file on a SMB network share that is causing havoc. Even as root, I can not delete or chmod it. -rwx------ 1 bob acme\Domain Users 6148 Apr 24 09:11 ...
1
vote
0answers
274 views

Mount FUSE directory into CIFS share with correct permissions

I'm using Time Machine File System (tmfs), which is an extension of FUSE, to read the data on a backup drive and hopefully make accessible from a Windows machine: Create a shared folder you can write ...