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

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root password suddenly invalid

Thats a mystical problem: out-of-nothing (nearly :), I can't use my former root password anymore... System: Debian Testing What did I do: log into root doing updates (with aptitude update ...
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1answer
73 views

SUDO_USER undefined in sudo manual - clarification would be lovely

The following statement appears early in the sudoers manual, it refers to the "SUDO_USER environment variable" but the manual does not define it: If sudo is run by root and the SUDO_USER ...
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201 views

Linux Mint 17.1 Cinamon Desktop Icons Root Account

I am using Linux Mint 17.1 64 bit on vmware workstation (Windows 8.1 host). I mainly use Linux for testing programs I have written (some have to be compatible with Linux). And I want to get familiar ...
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45 views

mount nas to local folder as non root user

It seems that gvfs would do what I want, but I don't seem to be using it correctly. Let me give a concrete example, I am on a machine as user foo, and user foo has sudo rights. Then I can do the ...
3
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3answers
142 views

SUID accidently removed from /bin/su file

It is a production server - CENTOS 6.1 Some user having root access in the past had logged on to the server and removed the SUID bit from the /bin/su file and then exited root. Now we are not able to ...
0
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1answer
142 views

How to run privileged bash script as non-root? [duplicate]

I created a simple bash script which contains the command ifconfig. In general I want to execute such a privileged script to run as non-root user. I have tried hown root:users ./path/to/script.sh ...
0
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1answer
121 views

Shell script printing blank $USER variable when executed by Smartd

I have created a script that smartd daemon (smartmontools) executes as per command below. DEVICESCAN -a -m email -M test -M exec /usr/share/smartmontools/my-script -n stand... Smartd appears to be ...
3
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1answer
111 views

How to run ntp commands as non-root?

NTP commands such as ntpd and ntpdate are privileged and belongs to the root group. What is the best way to run these commands as non-root ? Linux capabilities, ownership, any method ? I have openSUSE ...
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1answer
72 views

How to run smartctl as root without switching to root?

I have this C code that runs smartctl command and takes its output: #include <iostream> #include <cstdio> #include <cstdlib> using namespace std; int main() { cout << ...
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1answer
65 views

How can I get the root terminal to add myself into sudoers file so that I can act as root? [closed]

Once again, I'm trapped in a Linux security circle. When I start terminal, this is what I get: So I looked up the internet how to solve it. All solutions unsurprisingly require root permissions. ...
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0answers
12 views

Will I be able to install a service as a sudoer?

I will need to install a custom application as a service on a RHEL 6.2 box this weekend. Will I be able to do this with sudoer powers or will I need the root password for anything?
0
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1answer
62 views

NCR unix system v/386 release 4 recover root password

we have NCR 3455 system from long time as attached all information for server (images) , so we need your help to assist us to get root password which lost it , really we appreciate your efforts if ...
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5answers
587 views

What are the root permissions for a file?

If I type: ls -l file.txt I see that the rights for that file are equivalent to "456": 4 = owner (r--) 5 = group (r-x) 6 = others (rw-) Which the rights for root in this case? Does it have 777? ...
0
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2answers
34 views

Root to the Minimal

I am building a script to automate and minimize access to root. I am going to try do it via SSH. I am currently having an issue using sed to replace UID and GID 0 shell to /sbin/nologin. Why am I ...
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votes
1answer
90 views

How can I run a script as sudo and for it to not ask me for a password?

I want to run the following script: #!/bin/bash if grep -qs 'MinecraftServer' /media/kiancross/MinecraftServer/MinecraftServer; then echo "Disk already mounted, server boot will continue" else ...
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2answers
652 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). ...
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0answers
202 views

removing `nullok` from system-auth prevents any root password

[ this is a follow-up on my post on ServerFault : http://serverfault.com/questions/661136/root-accepts-any-password-how-to-change-to-a-real-password ] On an old system the root account accepts any ...
0
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1answer
134 views

Cannot install Sybase ASE on IBM AIX as root

I have a weird problem where I cannot install a Sybase DB server as root on an AIX virtual machine. I'm logged in as root and launching the installer as such: bash-4.2# ./setup.bin -i console ...
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2answers
87 views

start process (as root) upon user login

I would like to start a process as root upon each user login. The motivation beside this is, that the process will work on encrypted home folder of particular user folder. How can I achieve this?
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37 views

System sends alert when root-login fails three times

I have a server-system. I typed the password for the user root 3 times the wrong way, and I got an mail like servername : Jan 15 23:06:50 : username : 3 incorrect password attempts ; TTY=pts/6 ; ...
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1answer
44 views

Still able to read file after changing permissions

I've made a file as root, and written a string in it. Now I've changed mode to "0" like this: root# ls -al transit/ total 4.0K ---------- 1 root root 6 Jan 5 18:15 27050 root# If I try to tail, ...
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3answers
648 views

How could I reach root after switching from bash to zsh?

It's very weird that after switching to zsh from bash, I can't access root. I normally use 'su' to login as root after I login as a normal user (username is normalusername) with less privileges. And ...
11
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2answers
559 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
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2answers
3k 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
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1answer
74 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
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1answer
202 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
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2answers
519 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 ...
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1answer
50 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
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2answers
334 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
49 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
270 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 ...
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1answer
58 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
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2answers
79 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
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1answer
361 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
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1answer
59 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
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1answer
59 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: ...
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2answers
471 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
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1answer
101 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? ...
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3answers
77 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 ...
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2answers
70 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 ...
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0answers
43 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
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139 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
1answer
133 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 ...
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0answers
22 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
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1answer
25 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
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1answer
107 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
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3answers
2k 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: ...
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vote
1answer
707 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
105 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
81 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 ...