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

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7
votes
2answers
311 views

Can I make a file only accessible to a script, and not a user?

I have a user with limited access on the system (that is, he is not a sudoer); let's call him Bob. I have a script or a binary which I, the system administrator, trust, and would have no problems ...
2
votes
1answer
73 views

How to run google chrome as root in linux

when I want to run google chrome as root, an error message with this title appears: Google chrome can not be run as root and the body of message is: to run as root, you must specify an ...
2
votes
1answer
43 views

Right way of running a root task/program at background

I'm writing a program that needs to run at the background as root. (for any user) To do this I used the /etc/rc.local file. And it seems to work. The problem that I am experiencing is, when a ...
3
votes
1answer
155 views

Why is $HOME inherited when I start a shell with sudo?

I'm setting up a Vagrant box and I noticed something I found odd. root@box:~# sudo --user=vagrant bash bash: /root/.bashrc: Permission denied vagrant@box:~$ export declare -x HOME="/root" Why is ...
3
votes
2answers
169 views

Is there a graphical sudo (kdesudo, gksudo, su-to-root, …) tool that works passwordless?

Apparently gksudo is not obeying /etc/sudoers, neither does kdesu. Therefore asking the other way around... Is there any su-to-root, gksudo, kdesudo, etc. alike tool, that supports starting gui ...
1
vote
1answer
22 views

load missing library from ~/ without root or symlinks on shared hosting?

So I have a library file that is used by a php module, both of which reside in my home dir on my shared hosted cpanel account. Problem is this library depends on libcrypto.so.6 and libssl.so.6 files ...
2
votes
2answers
95 views

How to retroactively make a script run as root?

I'm writing a shell script, that needs to be run with root privileges. I can check if a user has root privileges with sudo -nv || echo "no sudo", but that doesn't help me, if his credentials are ...
0
votes
1answer
19 views

Disable root password caching

How can I disable root password caching? I looked at This Question, but I didn't really understand how to do it, is not the same as my question but it is indirectly related. I tried adding this to ...
4
votes
2answers
65 views

How to execute a command that requires root permission without sudo?

I'm trying to execute traceroute -d being authenticated as a "standard" user with sudo privileges. However if I run sudo traceroute -d it will be execute by the root user so I'm wondering how can I ...
1
vote
1answer
43 views

How can I see the password of another user in Linux?

I made 4 users on my server, but unfortunately I changed the password of the "first" user while configuring the server, but I don't know how I changed it. How can I see the password of users in root?
2
votes
2answers
29 views

change the name for root mails from cron

I have two servers that are synchronized with rsync, one is the failover server of the other, so they both have the same name. Now root mails that are sent to my other account are all named from root ...
0
votes
1answer
93 views

sudo not working on debian

Why sudo command is not working on my fresh debian installation. I had this error after entering my root password: Sorry try again .. or / and incorrect password attempt EDIT : In my ...
1
vote
1answer
35 views

sudoers file and passwd only for selected group

I have 3 users in "production" group: John, Steve and Bob. In "sales" group are: Sam and Jack. Now, I would like to give John permition to change passwords of all users but only in "production" ...
0
votes
1answer
20 views

I moved root partition by error

I'm on a VPS with CentOS 6.5 I was trying to install ASSP so by error i did this command mv -f /* /usr/share/assp and then I can't do anything when I try something like: [/]# dir -bash: /bin/ls: ...
0
votes
2answers
46 views

moving a file to a folder with root privileges in CentOS 7

I am reading a tutorial that wants me to place a script file called script.sh into a folder called /etc/profile.d/. However, when I try to save the script.sh file in that directory, the gedit tool ...
0
votes
1answer
38 views

root cannot access virtual filesystem? [duplicate]

When attempting to check my disk usage under / I found that root did not have access to certain virtual filesystems. I also could not check the permissions on the virtual filesystem. Why is this? ...
2
votes
3answers
39 views

(In)significance of [… ] and tty root processes

A colleague of mine assigned me to perform a root-cause analysis of an enterprise security server sometime ago. We knew the problem resided in one of the processes run by root but did not know which ...
2
votes
2answers
62 views

What are some of the things ROOT can do that could possibly destroy the computer [closed]

I eventually plan on diving into software manipulation, and i want to avoid any and all things that as ROOT could destroy my system. I know tinkering with the file-system are dangerous to mess around ...
1
vote
0answers
15 views

Which Privileges Should Assign For Create Raw Sockets

I want to run an ICMP command to ping an IP Adress at Java: InetAddress.getByAddress("XXX.XXX.XXX.XXX".getBytes()).isReachable(1000); However there is a security restriction that: Normal users are ...
0
votes
0answers
34 views

how to write dd command to replace backup image of root partition?

I have installed rhel6.5 in my pc. After that I have changed some configurations in file system. now I have taken backup image of /dev/sda1 which is a root partition of 15gb in size using the command ...
0
votes
0answers
65 views

Strange bash sytax error depending on sudo usage

I made this bash function to detect if the user running is actually logged in as root user and not using sudo by checking the uid + home directory of the user executing the command: #!/bin/bash set ...
0
votes
0answers
21 views

How To Increase Linux / (root) size? [duplicate]

I am new to linux. i am using rhel 6. ext4 is my file system my / root file is full. is there any way to increase it? if its possible please teach me how to do it? please explain me in detail, because ...
0
votes
1answer
20 views

attaching to Unix shared segment

Can a UNIX program running as root attach to a shared memory segment created by another user with permissions allowing access only to creator?
0
votes
1answer
30 views

Nginx Static Build - Run as root with a non-root user

I have compiled nGinx statically and it is working fine. How i can create a NORMAL user and run the nginx static bin as root when i start it from the normal user?! Thank you
0
votes
3answers
212 views

Root /home Directory vs ~ (tilde)

I have created a virtual image for Scientific Linux and came across this after I finished installing it: [root@ftpserver home]# pwd /home [root]@ftpserver home]# ls When I cd into ~ I get this: ...
1
vote
1answer
144 views

su cannot execute bin/bash/****

I installed Kali Linux on a VM machine and I cannot change my user to root from the terminal using su. The command sudo works fine but when I try to su, it says "cannot execute bin/bash/****(my user ...
1
vote
2answers
64 views

running ./install as root

I mounted an .iso file and want to run the install file on it which is going fine. Then, at some point, the installer tries to make a new folder to install the program in. This, however, seems not to ...
3
votes
1answer
48 views

Run command with sudo by default

Just one brick missing in my current wall. Feels to me like it should be easy to solve, nevertheless I got some explaining for you to do to make you understand what I want to achieve. I need a linux ...
0
votes
2answers
129 views

Resize root LVM and FS in Debian 7

I have a Debian server and I would like to increase the "root" partition from 5GB to 17GB and to diminish the "home" partition from 14GB to 2GB. I am a newbie in linux sysadmin, so a really need your ...
0
votes
1answer
53 views

Crontab permission problem

I have a fc19 host at work. This morning crontab did not work. $ ls -l /usr/bin/crontab ----------. 1 root root 53472 Jun 11 2013 /usr/bin/crontab The permissions -------- means no one has access ...
0
votes
1answer
246 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
2answers
84 views

Add test user to the sudoers file, to run ifconfig

I would like to see the ifconfig file with test user (under Linux Debian) that's why I have used the sudo task, but the terminal said that: test is not in the sudoers file. How can I take the test ...
0
votes
1answer
91 views

How to open root directory on second HDD?

My situation is very specific. I've applied chmod -R 777 / on my CentOS 7 server, so my system screwed up on next reboot. I took server HDD home and connected it via SATA cable to my home PC. Now I've ...
3
votes
3answers
53 views

Understanding a couple of points regarding root privileges

I just wanted to confirm my understanding of a couple of things related to root privileges. Is it correct that: The user name "administrator" is not a reserved name with implied privileges, it is ...
1
vote
1answer
38 views

How to use programs by users who haven't installed them themselves?

I have created a new user on my Ubuntu Linux at which I am the root. My root account has access to Wine, I want to use Wine from my newly created account without having to install it again. I have ...
3
votes
3answers
67 views

Password protect a single folder ( not a web folder )

I run debian and I'm looking to limit a folder to only be accessible by one user. How do I set the permissions up so only that one specific user can enter it, and no other user. The folder I'm talking ...
7
votes
7answers
257 views

Emptying a file for root user does not work [duplicate]

I use below command to empty a file > file.txt It works perfectly fine! But there are some files with root user permissions. So I tried sudo > different-file.txt and I got below verbose ...
0
votes
1answer
76 views

When does Linux send a root mail and how to force it for testing purposes?

Let's say I want to test root mail functionality after I set up nullmailer, how do I force my Debian Linux system to send a root mail? And furthermore on which events does Linux send root mails at ...
0
votes
1answer
21 views

Convenient way to upload a file to a server's application directory?

I very often need to upload some kind of file to a server, to put some application directory somewhere. Since my user account is of course unprivileged, I generally have to do this: scp file.txt ...
5
votes
2answers
411 views

Log all root activity with original username who su'd/sudoed to root

What is the preferred method to keep track of who is acting as root in the logs when root login is disabled (SSH) but users can run sudo -i or su - to become root? I would like to follow every ...
1
vote
0answers
100 views

OpenEmbedded: root account doesn't exist!

I'm using the current OpenEmbedded system from: http://git.openembedded.org/openembedded-core/tree/ (For what it's worth, I'm also pulling in layers from ...
0
votes
0answers
82 views

Run Xserver as root

I am working with an ARMStone a9 board which has iMX6 linux kernel. I am doing an embedded application in which I have to show a video from Ipcamera. The thing is that I attached the screen to my ...
2
votes
1answer
72 views

Linux Mint root app theming breaks when changing controls

So, this is a strange occurrence, which seems similar to other questions but which I've not been able to find a reference for. Maybe my Google-Fu is not strong right now. It seems to be a common ...
12
votes
5answers
910 views

How to Determine the IP Address of who logged into Root?

There are several people with root access to a particular VM I am in charge of. I would like to find out which IP address was used to log into root.
3
votes
1answer
83 views

Software like Iceweasel and LibreOffice wont run without root/sudo

I recently decrypted my home directory by making a backup of my home directory, deleting the directory, and then replacing it again with the backup (followed a guide). Ever since, I can no longer run ...
0
votes
1answer
89 views

install .deb package locally without using sudo [duplicate]

I am using Debian in my office which is controlled by an administrator. I want to install rescuetume. I downloaded the .deb file in my local disk and I want to install it locally. Every time I do ...
3
votes
1answer
543 views

How to determine if X server runs with root privileges

This is a one-liner: Is there a way/command to check if the X server is run as root or as user? This was supposed to be a one-liner but alas... I recently upgraded my Arch Linux box. After the ...
-3
votes
2answers
66 views

How do I run as a limited user while logged in as Root, and another question

Is there a way to, on linux, do: run as limited user when logged in as root? (like sudo but vice versa, so instead of GRANTING rights, it limits them, i.e., for use with "bundle install" for missing ...
0
votes
1answer
118 views

How should I change root@mydomain when I send from mail() php function?

I've installed sendmail in Ubuntu as below: apt-get install sendmail Then I sent an Email to test, I received Email from root <root@mydomain>. I checked the content of /etc/aliases, but it ...
1
vote
2answers
98 views

Unable to get rid of root user and privileges

I am told that the most basic security to set up in Linux is to change the superuser name from root to something obscure so I run these steps to add new user $ /usr/sbin/adduser new_username $ ...