sudo - Execute a command with superuser privileges.

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14
votes
1answer
643 views

How can I `alias sudo !!`?

I'm trying to set an alias for sudo !! in Bash. I tried alias sbb='sudo !!', but it interprets that as a literal !! and prints sudo: !!: command not found If I use double quotes, it substitutes ...
0
votes
1answer
28 views

How root can make sure that this time sudo will not prompt for password a specific user?

I am writing a script, that will setup lxc on the host, and then configure a container. I want this script to be unattended. After the container is created and run, there is a moment, when I want to ...
0
votes
1answer
21 views

What do you do when you try to sudo and root's PATH has gone kerblooey?

I've got a feeling something bad just happened to this machine. faheem@bulldog:/usr/local/src/mercurial$ sudo dpkg -i mercurial_3.0-1_amd64.deb mercurial-common_3.0-1_all.deb dpkg: warning: ...
2
votes
2answers
52 views

Piping tcpdump traffic via SSH - but no root ssh access

The situation I would like to use Wireshark to analyze traffic on one of our servers, but I don't want to install Wireshark on the server itself. I understand that I can pipe tcpdump traffic via SSH ...
4
votes
2answers
53 views

Booting a Raspberry Pi from an NFS share

I am trying to boot my Raspberry Pi using an NFS share. I have copied the boot partition of the Raspbian Wheezy image to the SD card and copied the root partition to a networked hard drive. I have ...
24
votes
7answers
32k views

How to run a specific program as root without a password prompt?

I need to run something as sudo without a password, so I used visudo and added this to my sudoers file: MYUSERNAME ALL = NOPASSWD: /path/to/my/program Then I tried it out: $ sudo ...
2
votes
0answers
100 views

Why sudo won't remember my password?

I use sudo in many systems, but I have one of them that makes me type my password each time I run sudo. All the others remember it for a while. This is debian 7.4 wheezy and sudo 1.8.5 I found this : ...
3
votes
1answer
37 views

How do I use sudo to run multiple commands as another user within a portion of a script?

I'm trying to run the following: if [! -f .owner ]; then creator=$(whoami) sudo -u appuser ksh echo "$creator" >> .owner mkdir test1 test2 test3 exit fi However, the ...
25
votes
6answers
14k views

What is the need for `fakeroot` command in linux

Why do we need fakeroot command at all? Can't we simply use the sudo or su commands? The man page says: fakeroot - run a command in an environment faking root privileges for file manipulation ...
0
votes
4answers
7k views

Is there a difference between sudo su - root and sudo -u root -H /bin/bash?

Like title says, is there a difference between these two commands : sudo su - root sudo -u root -H /bin/bash I'm using GNU/Linux, if that makes a difference.
3
votes
1answer
29 views

Difference between sudo -s and sudo su -

It might be a duplicate and I'm pretty sure I already show an answer to that somewhere, but I wondered what are the difference in term of right and variable and other stuff between sudo -s and sudo su ...
6
votes
3answers
10k views

How to get back sudo on Ubuntu?

I have done this: sudo chown -R myname /usr/ and now I can't use the sudo command because of this error: sudo: must be setuid root And as I read this means that the owner of this file ...
2
votes
2answers
534 views

Using sudoers to allow php to run command

I am trying to get my php page to run this command: shell_exec("sudo /home/xbian/433Utils/RPi_utils/codesend {$num}"); So I added this entry to my sudoers file with visudo: www-data ALL=NOPASSWD: ...
1
vote
1answer
257 views

How do I change file/directory permission of a nfs mounted directory, so I access files as user?

On a Ubuntu computer I mounted a directory from another computer using the following line in the fstab: 12.34.56.78:/space/Images /mnt/space/images nfs rsize=16384,wsize=16384,rw,auto,nolock 0 0 ...
4
votes
2answers
19 views

Use non-root user configuration for root account

When I work with the terminal and use su or sudo to execute a command with the root user's permissions, is it possible to apply the configuration of my "non-root user" (from which I am invoking su or ...
2
votes
1answer
58 views

How can I run as another user?

This is the bash code that should be runned. So first it substitutes the user to openproject and than runs all the code su openproject -c "bash -l" cd ~/openproject git checkout Gemfile.lock git ...
2
votes
2answers
314 views

Sudo Su automated login

I want to automate the login process with sudo su. I have seen lot of questions on these, but none of them are working for me. Automate login with sudo and su Here's my what I tried so far echo ...
1
vote
2answers
66 views

sudo for users with empty passwords

I want sudo to behave like this, for all users: If the user currently has a non-empty password, prompt for the password. If the user currently has an empty password, either prompt for the password ...
16
votes
4answers
1k views

How universal is sudo?

I was writing some instructions on how to install something (TeX-related - if you don't ask, I won't ruin your day by supplying more details) and used sudo to install system-wide. Someone commented ...
2
votes
2answers
976 views

How can I keep *all* environment vars for a specific command in sudo?

I have a script that sets several environment variables and then finally calls another script using sudo. The script run with sudo must be able to pick up those variables, and I'm not always going to ...
2
votes
0answers
55 views

Reading from /etc/environment with sudo

Using Ubuntu 14.04 LTS, I'm having a problem trying to read environment variables from /etc/environment when using sudo env. Basically, they are not being displayed. When I do just env, these ...
1
vote
2answers
3k views

How to insert text into a root-owned file using sudo? [duplicate]

Possible Duplicate: Redirecting stdout to a file you don't have write permission on Running a command like sudo echo 'text' >> /file.txt fails with: bash: /file.txt: Permission ...
0
votes
2answers
2k views

Changing root password does not change sudo password

I'm trying to change the password that get's asked when doing sudo. I'm in Ubuntu. Doing 'sudo passwd' or 'sudo passwd root' does give me the two new password questions, and it successfully changes ...
38
votes
2answers
3k views

Why do we need to use visudo instead of directly modifying the sudoers file?

I understand that if you want to modify who can use sudo and what they can do with it that you should use visudo. I know I'm not suppose to directly modify the sudoers file myself. What is it that ...
3
votes
0answers
103 views

bash does not autocomplete my command when using sudo?

I'm using SaltStack. I would like to auto-complete the minion name when calling salt command. The following line has been added into ~/.bashrc: complete -o default -o nospace -W "$(sudo ls -1 ...
5
votes
1answer
174 views

No password to run command as root for fixed command? [duplicate]

Is it possible to define a rule in sudoers to allow one user to run one well defined command as root, without password or other authentication except being the right user? Are there alternatives to ...
2
votes
1answer
22 views

setup sudoers to mount network shares and loop devices and misc

I would like to setup sudoers to grant users to mount all kind of network shares and loop devices to their home directory. Here is a try that I found and changed a bit on one old post in ...
3
votes
1answer
16 views

How to execute as the logged-in user in a sudo script (OSX)?

Is there a way to switch contexts like that? The script in my specific case is an installer postinstall script, which requires sudo privileges only for some of the tasks and requires the logged-in ...
1
vote
0answers
52 views

sudo -u git clone

I'm on Ubuntu server 14.04. I am using apache web server which runs as the www-data. I need to do git clone from a script (a web hook). This script will run with www-data user privilages. Running ...
1
vote
0answers
369 views

git deploy using sudo nopasswd

I'm trying to write simple post-recieve script, which would switch to webserver user and pull git repository. To do so, I added git user to sudoers (I've added this to very last line): git ALL = ...
21
votes
4answers
42k views

How to make Fedora user a sudoer?

I want to give a Fedora user sudo privileges. How do I do that?
1
vote
4answers
74 views

How to correctly enable sudo for user in Fedora 20

I followed this question in order to enable sudo command for my created user. So I added it into the wheels group and edited the /etc/sudoers file accordingly. But what I don't get about this is when ...
4
votes
1answer
120 views

View List of Sudoers with No Sudo Priviledges

If I'm not a sudoer, is it possible to view the list sudoers? Does /etc/group show this information?
4
votes
1answer
92 views

How safe is sudo when running from root to run an application as a less privileged user?

Lets say I am logged in at a root terminal and I run something like the following command: sudo -u '#1000' dbus-launch chromium Are there any potential security issues I should be worried about? ...
3
votes
1answer
26 views

Is there an easy way to background a sudo shell?

A bit more details, what I'm looking for is some kind of ^Z for sudo shells. For instance when running a long command I can hit ^Z to suspend the command or when I do ~^Z in ssh after hitting Enter. ...
1
vote
0answers
39 views

What is the correct way to abort an operation from the sudo password prompt?

Sometimes it amazes me the "little" things I don't know about Unix. For years now I have occasionally noted that I don't actually know how to deal with the sudo password prompt cleanly. Every once in ...
0
votes
1answer
41 views

Restrict user to run shell script except which is defined in sudoer file

I have scientific linux 6.4 running on my system, I have restricted other users to run shell script except one, which is defined in /etc/sudoers file. For example: I have one file.sh in my admin's ...
1
vote
2answers
36 views

Problem executing command as differetn user with sudo -u

I have the following problem When I'm trying to execute ls as user abc with the following command I get an error: xyz@host:~/temp$ sudo -u abc ls [sudo] password for xyz: Sorry, user xyz is not ...
3
votes
1answer
119 views

Some software runs only by root terminal

I'm facing this odd situation here, programs such as gparted, furiusisomount and Rstudio never run by clicking on their icons in the applications menu or by running them with terminal as a normal ...
5
votes
1answer
123 views

Give user permission to rm without password or sudo

I'm trying to give the ubuntu user on my machine the ability to rm folders and files (mainly in the /www/ folder) without the need to invoke a password or the need to use sudo. I've been following ...
4
votes
1answer
51 views

keep aliases when I use sudo bash

I have a Centos 5.5 server that has my own alias commands for my account. When I do "sudo bash" I can still use those aliases, I didn't have to add the aliases to the root bashrc. I have another ...
0
votes
1answer
292 views

Webmin administrative panel options are missing

When I log into Webmin, with the Ubuntu administrative user frank, I cannot see most of the administrative options: frank is shown as the Administration username in Webmin. I accidentally ...
1
vote
1answer
21 views

Replacing graphical sudo prompts with sudo command

I'm trying to replace gksudo, pkexec and its ilk with sudo. However, I'm told that using sudo <graphical_program> is a bad idea. Would the following work as a decent replacement? sudo -H ...
3
votes
1answer
168 views

sudo environment: “g++: command not found”

I have a relatively fresh RHEL 6.5 install, on to which I have installed from source GCCC 4.9. After I installed GCC 4.9, I uninstalled the distro-provided older GCC version via: sudo yum remove gcc ...
5
votes
1answer
319 views

I changed /etc/sudoers, and now I can't run as sudo

I messed around with the sudoers file without really knowing what I was doing using this link. Assume I did everything that was in the top answer along with editing it with vim and not visudo. How do ...
8
votes
3answers
438 views

Execute a line of commands with one sudo

For example if I want to create a file and enter text in one line I can redirect the output into a file with the use of the > operator: echo "something" > /path/foobar but if I don't have ...
0
votes
1answer
42 views

Running both sudo and nohup on a command

There is a complex command that requires sudo: sudo command par1 666 /home/me/... I need to launch it so that it persists after I log off from terminal (SSH). I have discovered that nohup command ...
3
votes
1answer
130 views

“sudo: sorry, you must have a tty to run sudo” when using sudo in a remote script

I want to run a series of sudo-elevated commands on a remote machine from an embedded script. To simplify the question, I'm just trying to run sudo id and get it to tell me that it's root. I am ...
2
votes
1answer
51 views

How do I limit local user file system access? What is the best method?

I have a Linux installation with a default user and an admin user (and root). On startup, the default user is automatically logged in and a particular application is launched. My intention is to ...
2
votes
0answers
8 views

Why does xdg-open text_file differ from sudo -u me xdg-open text_file?

If I run the following command, the text file opens in my preferred editor (kate). $ xdg-open text_file However, if I try the following, where sparhawk is my username, I get several warnings, and ...