The sudo command is a program for some Unix and Unix-Like operating systems, that allows a user to execute programs with the security privileges of another user. Typically those of a superuser or the root user.

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sh -c in background

Original version: How to run sudo sh -c "command" in back ground In a terminal sudo sh -c "command" & starts in background but as soon as I press enter, the process exits [test@localhost app]$...
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0answers
163 views

Deny access to a specific folder for a sudo user

So here is the case: I am root in an Ubuntu system. I want to give a user (say username is X) permission to execute any command but at the same time I have a folder that I want no one to be able to ...
-1
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1answer
67 views

Problems writing a script to build FFmpeg from source

I’m on Ubuntu 12.04 LTS and I’m trying to write a script that will build FFmpeg from source; with the right flags of course. I’m following the instructions here. I’ve nailed most of it except the very ...
2
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1answer
188 views

Allow unprivileged user access to specific privileged files

I have a system running hardened Gentoo and I have installed Xorg, Fluxbox, and Conky together to create a minimal window manager desktop. Within this system I have 2 main users, root and my normal ...
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3answers
471 views

different behavior: “sudo nmap” vs just “nmap”?

I'm attempting to do a simple port scan with nmap: $ nmap 192.168.56.101 Starting Nmap 6.47 ( http://nmap.org ) at 2015-03-10 19:30 IST Nmap scan report for 192.168.56.101 Host is up (0.0048s ...
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1answer
288 views

Don't have permissions to save file in Mac OS X using Vim, even after using sudo

I’m trying to edit the following file on my machine: /etc/apache2/httpd.conf First I got an error stating that I don’t have permissions to change the file, fair enough. I then used sudo but I still ...
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0answers
229 views

Samsung Chromebook series 3 sudo password

I cannot for the life of me find the sudo password for my chromebook. I have it in dev mode on Chrome OS 41. I want to install Arch Linux ARM onto an SD card but the instructions here http://...
2
votes
1answer
160 views

Script stops when user is changed

I am trying to create a script that logs as a different user to create a database backup. So far I have encountered a few problems, such as having to input sudo password, or not being able to bypass ...
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1answer
199 views

Can't sudo because password is disabled

So, in my attempt to prevent the default ubuntu user from logging in, and to prevent the default sudo user me from logging in with a password, and thus enforcing to use the private key, I managed to ...
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1answer
146 views

Can't run /bin/bash… sometimes?

I’m on a Google Compute Engine which is running Debian Wheezy 7.4. I’ve been noticing strange things recently. For example, I can do sudo bash. But then, from root, I can’t do sudo -u anotherUser ...
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1answer
895 views

Require bash script to be run with sudo (not as root user)?

I want to require a bash script to be run as the current user with sudo, but prevent it from being run if it was executed as the root user directly. This is because I'm doing some setup actions for ...
0
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1answer
330 views

How to remove network-manager access from LightDM?

I'm running Ubuntu 14.04. I didn't like how LightDM gave access to network manager before anyone has actually logged in... So I added 'network-manager stop' to rc.local. It works just like how I want.....
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1answer
591 views

Sudo fails when running as service

I have a program that runs as a normal user but sometimes needs to run a command that requires root privileges. So I made a shell script and gave the user permission to run that script with sudo. The ...
2
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2answers
437 views

ZFS send/recieve over ssh on linux without allowing root login

I wish to replicate the file system storage/photos from source to destination without enabling ssh login as root. I've tried a number of different combinations such as: sudo zfs send -R storage/...
4
votes
1answer
4k views

ssh + sudo + su into login shell

I have several machines I ssh into regularly only for the purpose of using sudo su to spend the rest of my session logged in as some special-purpose user. The general workflow is: mymachine:~ me$ ssh ...
12
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2answers
857 views

Difference when using backticks in double quotes and single quotes in Bash

Why to the following two executions differ in output? (I need double quotes for variables in my eventual command) $ sudo su -c "echo `cat /root/root_file`" cat: /root/root_file: Permission denied $ ...
2
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1answer
134 views

Renamed dylib, sudo stopped working

I renamed the dylib /usr/lib/libz.1.dylib for testing purposes, but when I tried to change it back I had to realize that sudo mv ... cannot be run because it needs exactly this dylib. How can ...
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1answer
136 views

Prompting for sudo password in a setuid root binary

I have a setuid root binary, with_sudo.bin, with the following source code: /* with_sudo.c */ #include <stdio.h> #include <sys/types.h> #include <unistd.h> #include <stdlib.h> ...
3
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1answer
133 views

How do I trick Nautilus to use “sudo mount” instead of just “mount”?

Thanks to new "security fixes" in mount or mount.cifs (I'm not sure which) it's no longer possible for normal users to mount anything, even if they are explicitly allowed using the user, users or ...
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1answer
1k views

Run ifconfig without sudo

I have an embedded Linux running on a imx6 platform. This is a freescale embedded linux. The problem is that there is no sudo available for this linux, but I need to activate and deactivate the wlan0 ...
24
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4answers
19k views

Why does the system have /etc/sudoers.d? How should I edit it?

Last time, I asked about the risk of these (in /etc/sudoers): user_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/httpd.conf %group_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/httpd.conf ...
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1answer
86 views

Mac OSX permissions

Please, before jumping to much appreciated answer, please read this, as my problem is not related to files and folders permissions (chmod and chown). I have a Mac, with 2 user, one is an admin, and ...
2
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4answers
20k views

username is not in the sudoers file. This incident will be reported

I am running Ubuntu 12.04 on my laptop using VMware Player. I am not sure why but I have an account called "User Account" in addition to my account that I usually login to use Ubuntu. Well that was ...
1
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1answer
106 views

use sudo -s but show current folder name

Is there a way to use sudo -sbut keeping the current folder name in prompt? I want to see jw:documents nescalante$ instead of bash-3.2# when using sudo -s. Thanks!
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1answer
159 views

The risk of vim -Z (rvim)

Last time I asked about the way to prevent risks caused by these configurations: user_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/httpd.conf or %group_name ALL=(ALL) /usr/bin/vim /etc/httpd/confs/...
2
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1answer
131 views

Get back to sudo group without recovery mode

I made a big mistake when executed command: sudo usermod -G vboxusers me instead of "gpasswd" or "adduser", and I lost sudo group. Is it possible restore it, if I dont know root password, and have ...
3
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3answers
151 views

Why bother stopping 'root' from ssh login?

Best practice is to remove the ability of 'root' to login over ssh. However, I need to run some Ansible commands and am currently connecting via a user called "amdhske" and then have set this user up ...
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votes
1answer
691 views

How do I run NetBeans (or ANY .app) as SUDO on OSX?

In addition to running other applications elevated (a bridge which I will burn when to it I get), I need to run NetBeans elevated in order to debug this application that I am writing. I would really, ...
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0answers
45 views

ssh indirectly to root

Is there a way to ssh to root on another machine even if PermitRootLogin is set to no, but ssh to a user is allowed and this user can just sudo -i to become root. For simple commands, I think there ...
0
votes
3answers
754 views

ssh config with sudo

I'm backing up my local machine to a remote server. Because I want to backup the whole local machine, even files that my local user doesn't normally have access to, I'm doing it using sudo, so the ...
0
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2answers
445 views

Why does sudo fork before executing the process?

This question may seem a bit silly, but since in Unix-based systems, replacing an executable's image is done in a single step, replacing the currently running process, in the function call execve (and ...
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1answer
1k views

No command sudo found on Debian server

I want to have GitLab under domain git.blue-world.pl. I use Omnibus package downloads for GitLab CE for Debian 7. ssh -l login blue-world.pl cd domains/git.blue-world.pl/public_html wget https://...
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2answers
574 views

Changing date on Ubuntu without sudo privilages

I am trying to automate a time change on Ubuntu 10.04 with a bash script using the date command. The script works, but it requires sudo privileges, however, the user who will execute the script does ...
0
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0answers
3k views

sudo - /etc/sudoers is world writable on Ubuntu OS

By mistake I change the permission of /etc/sudoers file on Ubuntu OS, now when applying any command using sudo, its giving error, sudo: /etc/sudoers is world writable sudo: no valid sudoers sources ...
0
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1answer
70 views

I removed the sudo,the I have no permission to install any program?

It's seems like a big problem. I can't login as root, because I use the fedora20, and I can not use sudo. What can I do now ?
3
votes
1answer
80 views

'Syntax error' while setting sudo.conf askpass variable with visudo

I want to set askpass program for sudo, i've made file /etc/sudoers.d/path-askpass with following content: # Path to askpass program Path askpass /usr/bin/ssh-askpass File was edit with visudo, ...
0
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1answer
25 views

Strange behavior when sudo -u

I'm trying to set up daily backups of my postgres database. To that end I've created a /home/backups directory, and inside it the /home/backups/postgres directory. The owner of /home/backups/postgres ...
0
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1answer
132 views

Running opera as a different user in linux

I am trying to run multiple opera instances as different users simultaneously in linux mint. I have done it with firefox in the past using the sux command like sux user1 firefox But if i try that ...
0
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1answer
95 views

Suse root group not having root rights?

I am in the root group of a suse machine but when I use sudo -u <myAccount> ... I get a Root privileges are required for... a few terminal commands: $ cat /etc/sudoers: ALL ALL=(ALL) ...
0
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2answers
330 views

Broken sudo on Google Compute Engine

Error : [ri@myinstance-1 etc]$ sudo su - sudo: >>> /etc/sudoers: syntax error near line 120 <<< sudo: parse error in /etc/sudoers near line 120 sudo: no valid sudoers sources found, ...
0
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2answers
499 views

how to undo sudoers file

I accidently command the root admin and sudo in sudo visduo file. Now with current user it is not rolling it back because i can't access it any more. File does not get opened with command sudo visudo ...
4
votes
1answer
5k views

sudo su “username” vs. su “username”

Please explain me, what is the difference between: sudo su "username" vs. su "username" Which has higher privileges? If I log into root with sudo su "username", I am root for one command only? So it ...
1
vote
1answer
310 views

sudo cp with wildcard syntax doesn't do anything in Linux

I have a directory containing files that are owned by root, from this directory I wish to copy all the files ending with errorAll to another directory. My wildcard syntax is correct because performing ...
1
vote
2answers
513 views

How to run command without “sudo”?

Nagios on my server isn't working properly. It can't execute command lftp without "sudo". Is there a way how to allow nagios run commands without using "sudo"? My /etc/group: nagios:x:107:www-data,...
1
vote
1answer
91 views

force sudo to forget password immediately after exit everytime

If I execute sudo su, I am asked for my password ( [sudo] password for ... ) After do some stuff, I can leave this root mode with exit. If I execute again sudo su, I will not be asked for a password ...
3
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2answers
150 views

What makes the differences between `sudo CMD` and `sudo su` followed by `CMD`?

I have an SSH server with key only auth and I want to add a key for a new user. I log in with one user(kidmose), I try to append the key to a new user's(remote) authorized_keys and it fails: ...
2
votes
1answer
2k views

OpenWrt: Cannot install package sudo

I have installed the latest OpenWrt Chaos Calmer r42871 on my TP-LINK WR-842ND router. And everything's good except the problem: root@router:~# opkg install sudo Unknown package 'sudo'. ...
0
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1answer
288 views

output of sudo -l confusing me

(habdbsync) NOPASSWD: ALL, (habdbsync) !/bin/sh, !/bin/ksh, !/bin/csh, !/bin/tcsh, !/bin/zsh, !/bin/bash, (habdbsync) !/bin/su, (habdbsync) !/usr/bin/ssh, !/usr/bin/scp, !/usr/bin/slogin (root) /...
1
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1answer
5k views

su- no password entry for user? installing powerline with pip

I am trying to install Powerline using pip to do the installation. I'm installing in to /usr/local/lib/python2.7/dist-packages/powerline using the su -c "pip install github******" and get the response ...
0
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1answer
111 views

Replacement for “su user_with_sudo; sudo -s” for user without sudo-rights?

Let's say I have two user accounts: user (without any sudo permissions) user_with_sudo (with all sudo permissions) Now, I'm logged in as user but want to do something as root, e.g. switch to a ...