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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How to enable sudo commands over SSH without asking password?

I have server A and server B (both Ubuntu 10.04 LTS) doing different tasks. Server A needs to poke Server B, which generates a file and scp's it back to server A when done. This is all in-house and I ...
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Is it possible to run software as a different user under OS X Mountain Lion?

I've been trying to run apps as a different user. Attempt 1 sudo -u otheruser open /Applications/TextEdit.app launches the app but it uses the current user, not otheruser. Attempt 2 login username ...
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Why sudo su don't pass as root, but password is ok?

In Ubuntu I have one normal user root1. And till now when I want to be a root I do: root1@host:/home/root1$ sudo su [ sudo ] password for roo1: type password and I had: root@host:/root:# but now ...
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How can I automatically save a list of open files in Geany, with cron or otherwise?

I use the Geany IDE for programming, and it does not reliably reload my previously open files, for example after a power outage. I found that Geany has a command line feature which returns a list of ...
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autologin to root user with .cshrc

How do we cause login cshell to automatically execute sudo su - when a user first ssh into the linux box from Windows putty ? We tried putting this line sudo su - in .cshrc file but it is never ...
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118 views

one sudo for multiple terminals

Sudo root permissions are given for specific time, but only for one terminal. If I want to use sudo in another terminal in that time period, I have to type password again. How to force sudo to works ...
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843 views

Shutdown Debian from php script

I am trying to shutdown my RaspberryPi running Raspbian from a php script running on lighttpd webserver. shell_exec("sudo /sbin/shutdown -h now 2>&1"); I added lighttpd ALL=(ALL) NOPASSWD: ...
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Sudo su vs su linux

If I enter in the password to su when prompted, it doesnt work while sudo su does. Also, when a command is executed using sudo (command), does sudo automatically execute it by root by default (since ...
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Trying to enable passwordless sudo

I want to enable passwordless sudo for user "bamboo" on my host, so I have added bamboo ALL=NOPASSWD: ALL and also %admin ALL=(ALL) NOPASSWD: ALL (user bamboo is in the admin group) to the ...
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814 views

Unable to use sudo su - command

I am new in ubuntu, i am trying to run following command sudo su - Bu i am getting following message sudo: unable to open /etc/sudoers: Permission denied sudo: no valid sudoers sources found, ...
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667 views

Why does redirection fail when passing through ssh, sudo and sh?

After reading this question, I know that I have to do sudo sh -c 'ls -hal /root/ > /root/test.out' to avoid the "Permission denied" error. But when I do ssh hostname sudo sh -c 'ls -hal /root/ ...
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how to run a program with root privilege in a remote linux host

I want to run a program on many remote hosts these program may run serveral hours and it needs root privilege I have uploaded the program to those remote hosts I can only ssh into those machines ...
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What types of users can I use with “sudo”?

I thought you could only use sudo to temporarily become root: sudo vim /etc/resolv.conf But recently I saw a shell snippet depicting a user using sudo to become a specific user: sudo -H -u devops ...
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530 views

how to correct sudo permission

I'm running AWS EC2 Micro instance and had issues getting permission to the root access with EC2-user. Followed a tutorial online and ran the following commands: sudo chgrp ec2-user /etc sudo chmod ...
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291 views

run command with root privileges as nonroot user

I want to set up steam to run automatically with a higher than default priority, which involves starting it with nice. But to set a priority lower than 0, I must be root. Problem is that steam doesn't ...
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232 views

How to config sudoers file?

I'm using ubuntu server 12.04 LTS I want to know how to configure my sudoers file (obviously, using visudo), to permit an user to run commands like root (doing something like "sudo service x ...
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175 views

wget: different speed in sudo and user mode

If I execute wget from my terminal to download something, it realices multiple attempts to download it, and eventually it downloads it (or not!). For example, with three attempts and 10 seconds of ...
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317 views

Mail me when someone runs sudo

I have added the below lines to /etc/sudoers.d/my_sudoers Defaults mail_always Defaults mailto="email@domain.com" I get an email every time sudo is run How can i modify this so I only ...
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Enable a user to have superuser privelages locally but with password input

Is there a way to have user privelages that would normally require superuser privelages, WITHOUT USING THE TERMINAL? I'm thinking like a dialogue that pops up when your trying to access a folder/file ...
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1answer
2k views

Add a user to sudoers file, for just one service

I want to add a user to the sudoers file so that it can only start, stop and restart a particular service. I am using Debian and can access the sudoers file using sudo visudo, I am stumped now though ...
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397 views

Prevent SUDO from executing passwd

I want to prevent users with sudoer access from using sudo to execute passwd (and thus changing the root password). Is this possible? If so, how can it be accomplished?
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Gentoo : cannot modify the hostname file as a sudoer

I am trying to change the hostname of a Gentoo host using a sudoer account. I use the following procedure : sudo rm -f /etc/conf.d/hostname sudo touch /etc/conf.d/hostname sudo echo "hostname=foo" ...
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Changed the permissions on /usr/bin

I executed sudo chown -R USER /usr/bin Now, when I try to "sudo" anything, I get sudo: effective uid is not 0, is sudo installed setuid root? I tried pkexec chown root:root /usr/bin/sudo and ...
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sudo to run command as different user

I am trying to setup a script that will be run as a "maint" user. The script is basically a menu that allows maintenance personnel to do different things on the server. However, some of the scripts ...
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Is Windows vulnerable because its sudo equivalent does not require a password? [closed]

On Windows from Vista and onwards, you have to press through an UAC dialog to perform something that requires admin rights like installing or uninstalling programs. On Linux to become root, you have ...
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Forklift sftp with sudo command?

Is it possible to somehow issue a sudo command while using Forklift to transfer files?
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All the command line command become “Not found” after installing Mountain lion

I just found after installing new Mountain lion, I can no longer use the command line because all the command seems to be " NOT Found", even for basic "sudo" command sudo: command not found How can ...
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780 views

How to add CLASSPATH parameters permanently when using sudo?

On Ubuntu 12.04.2 LTS 64bits, when using sudo or sudo -i or sudo su or even su in a session, in order to use both Java AND Scala I need to enter the following commands: sudo -i ...
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Function defined in my user's .bashrc causes an error when I sudo su

I have a function defined in my user's .bashrc file that displays my current git branch name at my command prompt: parse_git_branch() { git branch 2> /dev/null | sed -e '/^[^*]/d' -e 's/* ...
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279 views

launching php script as root from command line

How can I execute php script as root user? I tried: sudo ./script.php and in my script I've got at 1 line: #!/usr/bin/php
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389 views

Two password (factor) authentication to root user / sudo

With regards to running Linux remotely (SSH) I'd like to employ two levels of authentication for accessing the system with root privileges. I have the root account disabled / locked out so direct ...
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i want alice to run any command as root, but can not run commands as any other user

Say I have 2 users - 'alice' and 'bob' and want to allow 'alice' to run any command as root, but not run commands as 'bob' or any other user, am I able to do this, and if so how ? consider this ...
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I can su to root, but sudo <command> fails

I am running Centos 5.3 and I can su to root fine. However when I run a command as another user like: sudo ls, the system says incorrect password for the same password. Why is this happening? Thanks. ...
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Why can I kill a sudo process on Xubuntu but not Linux Mint? (as a normal user)

I have two computers, one running Xubuntu 12.04, and the other running Linux Mint 14. On Xubuntu: $ sudo gedit in another terminal: $ kill [pid of the gedit process] bash: kill: ([pid]) - ...
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879 views

Edit sudoers to allow /sbin/ifconfig down with NOPASSWD

I'm trying to edit /etc/sudoers so that I can execute a bash script with a root password. so far every edit I've tried to sudoers is not working. I've tried adding each of these lines: %admin ...
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337 views

Expect and sudo timeout

I have a main shell script that prompts the user for his password. I then would like to call an expect script while passing the password to it. This expect script will run 3 sudo commands. I know the ...
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How do I back out of sudo privileges in OS X

Is there a command to de-elevate the user from sudo permissions after I execute a command such as sudo pmset sleep 0 so that when I try to execute another sudo command it asks for my password again? ...
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2answers
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restore password in ubuntu [duplicate]

I'm learning UBUNTU. I'm using virtual box with ubuntu image, i created my user name as joe no password. now that i try to execute any command that requires the sudo stuff it asks me for a ...
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1answer
467 views

Can't use sudo's arguments as non-root in Fedora 16

I am using a long-installed Fedora 16 box, and whenever I type "sudo -v", "sudo -l", etc. as a regular user (non-root), I get this output: [user@* ~]$ sudo -v env: -v: No such file or directory ...
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running script containing sudo in cron

#!/bin/bash value=$(<man.txt) echo "$value" if [ "$value" == "true" ]; then echo "startedif_manthan" ps -ef|grep sym |awk '{ print $2 }'|sudo xargs kill -9; sleep 30; sudo sh ...
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1answer
761 views

Why does sudo not work with curl?

I ran a command to download something with curl and it threw a permission denied error. So I did sudo curl and I got the same error... Why is that? I was able to run the install command without ...
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3answers
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Why can't I sudo some commands? (e.g., vim)

I have sudo access on my friends server, running centos-6.3, but when I try to run some commands like sudo vim /var/www/html/index.html I get an error sudo: vim: command not found I can, however, run ...
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Start/stop a service using jenkins/hudson, without sudo

Quick question - did some searching but couldn't seem to find anything. I'd like to be able to stop/start a service on a Jenkins node. Is it possible to give the jenkins user permission for this ...
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1answer
449 views

sudo -E not passing all variables

Reading the man pages I expected sudo -E to pass all environment variables to the subshell, but I am not getting the expected results. As expected, awesome: $ export ...
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why sudo create directories in wrong permission drwxr-sr-x?

I run sudo on ArchLinux(on x86_64) and Fedora(on sh4 cpu). They behavior different. sudo mkdir x ls -l x It shows drwxr-xr-x root root x on ArchLinux. But shows drwxr-sr-x root mygroup x on Fedora ...
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Passing User's aliases to root while doing “sudo su”

Is it possible? I could make an alias to sudo su -;source .bashrc but it seems like source .bashrc is executed in the earlier shell and not in root's sheel (Why?)
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542 views

Execute a command with root permissions as normal user

I want to execute a command as if I am my normal user, but I want to have root certain permissions. In particular, I have created a phyiscal VirtualBox drive that I want to use as a normal user. I ...
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4answers
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“Wrapper” ssh script freezes when executing remote command

I am running OSX Mountain Lion and the remote server is CentOS 6. I have several scripts on my local machine that I want to run on the remote server and to that end, I thought to write one script that ...
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1answer
200 views

Can only use some commands as sudo

I have had a bit of a problem with some commands lately, not working as intended. I wanted to fiddle with some Markdown and try it as a substitute for some simple HTML pages, so I looked into some ...
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3answers
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Adding a line into the hosts file, getting permission denied when using sudo - Mac

I'm trying to add a line into the hosts file on my Mac by executing a one line command on the terminal. I thought this would be easy using sudo, but it returns "permission denied" when I try to add ...