visudo edits the sudoers file in a safe fashion

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35
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3answers
4k views

What are the differences between sudo, su, visudo, chroot, and gksu?

What are the differences between sudo, su, visudo, chroot, and gksu ?
7
votes
1answer
255 views

How disable mysql command in sudoers file?

How can I disable /usr/bin/mysql command in sudoers file? I've tried to use it this way: %tailonly ALL=!/usr/bin/mysql But when I access user 'tailonly' of group 'tailonly', this command is still ...
2
votes
3answers
456 views

Run a specific sudo command without a password in Ubuntu 13.10

I would like to run vagrant without being prompted for a password. As this post suggests, I used visudo to add the following line to my sudoers file. john-moz ALL=(ALL) NOPASSWD: /usr/bin/vagrant ...
2
votes
1answer
229 views

Is there a GUI to `visudo`?

Quite simply, is there a GUI to visudo I can recommend to other users, and use for myself? I have to set up a system where over 50 users have different sudo privileges and I need to juggle them all.
1
vote
3answers
97 views

Do I have to do a new installation?

I was in the /etc/sudoers and might done something wrong, beacuse after I couldn´t use the commandline again. Maybe i deleted sudo in /etc/sudoers. It said something was wrong i line 28. What can I do ...
1
vote
2answers
52 views

Auto-starting a GUI application that requires sudo

Question: I need to auto-start a GUI application that requires sudo. I know I need to edit the sudoers file with: sudo visudo However, I don't know what to write in the file. What I already ...
1
vote
1answer
28 views

/etc/sudoers file problem understanding

According to the documentation, modifications of this file may enables local users to execute sudo commands on remote machines: user1 192.168.1.14=(user2:group1) ALL According to what I read, ...
1
vote
1answer
60 views

Changes to sudoers have no effect. Following basic Ubuntu tutorial

I'm following along the Ubuntu sudoers tutorial. Here's my exact /etc/sudoers file (screenshot instead of code block because the formatting was getting messed up). Notice the lines at the bottom ...
1
vote
2answers
398 views

Xubuntu visudo sudoers edit not working

I have been trying to specify a script that I would like to run without being prompted for a password. After a number of google and stack searches and a number of different syntax changes, I still ...
1
vote
1answer
42 views

Changed suoders to an account that doesn't exist, what should I do

I've installed ubuntu 12.04 with single user, let's call him user1. I then created a new user, let's call him user2. I wanted user2 to be the only user with sudo rights, so I removed all users from ...
1
vote
1answer
576 views

Mount samba share at login using startup script (not fstab)

Background I'm trying to automatically execute a command that mounts a password protected Samba share when my user logs in. The catch is, I share my laptop with another user, and I don't want the ...
1
vote
0answers
23 views

Lost visudo - I seem to have lost visudo, to my great surprise

Lost visudo I seem to have lost visudo, to my great surprise. I'm trying to add to /etc/sudoers or /etc/sudoers.d but when I try and run visudo as root I get this sudo: visudo: command not found ...
0
votes
1answer
101 views

visudo crashing on making changes

I am attempting to add an entry to visudo: admin ALL=(ALL) /bin/kill I have attempted to make changes to this in the past but crashed the visudo file. Can someone assist in telling me where ...
0
votes
0answers
8 views

Get Access Problem as admin user

I want to access "sudoers" file and also access "su -" but I fail and get following error please check terminal output that I have tried. I am m-usman(admin) but not allow to edit or access ? :( ...
0
votes
1answer
76 views

I can't add myself(default user) in sudo group in ubuntu [duplicate]

I accidentally changed my primary group using the following command. sudo usermod -g localgroup shantanu #shantanu is my username I interrupted this process as soon as I realize what is happening. ...
0
votes
0answers
26 views

option `env_reset' does not take a value

This is a problem has bothered me for a long time. When I tried to set proxy for apt-get command, I found a manual in the net. It said that use visudo to edit sudoers file could set proxy for ...
0
votes
0answers
24 views

How to avoide log out and log in while editing the sudoers file

I have edited the sudoers file by following the link. So far so good. It say "Log out, and then back in", for sure to see the effects. Is there a way to see the effects with out doing this: "Log ...
0
votes
1answer
39 views

Shutdown launcher withouth password

I added new launcher to panel using this command for shutdown: gksu telinit 0 When I wanted to get rid of constant inserting of password, I did not succeed. I opened visudo and added line "username" ...
0
votes
1answer
43 views

Visudo not working for specified files

I am trying to give sudo ability without the need of passwords to specific files. So far I have: employee ALL=(ALL:ALL) NOPASSWD: /home/file_name The file has a simple chmod command, in the bash ...
-6
votes
1answer
2k views

How to sudo visudo without a password, remove all prompts for password [closed]

Websites tell me to use sudo when I have no password, usually tell me one of two things. It is bad security Or use 'sudo visudo' and the %admin ALL=(ALL) NOPASSWD: ALL line I would like to not ...