Questions tagged [visudo]
visudo edits the sudoers file in a safe fashion
14
questions
314
votes
18
answers
560k
views
How to modify an invalid '/etc/sudoers' file?
How do I edit an invalid sudoers file? It throws the below error and it's not allowing me to edit again to fix it.
Here is what happens:
$ sudo visudo
>>> /etc/sudoers: syntax error near ...
user25165
48
votes
3
answers
17k
views
What are the differences between sudo, su, visudo, chroot, and gksu?
What are the differences between sudo, su, visudo, chroot, and gksu ?
- 3,232
37
votes
4
answers
22k
views
Change the default editor when sudo visudo
When doing sudo visudo, the default editor is nano.
I want to change it to vi or vim.
I already made vim the default editor, and use it as a substitute for gedit to open php, .txt, .c and .h files,...
- 2,761
211
votes
2
answers
229k
views
How to change visudo editor from nano to vim? [duplicate]
When I use visudo, it always opens it with nano editor. How to change the editor to vim?
- 9,186
10
votes
3
answers
7k
views
Why I must use 'visudo' to edit the '/etc/sudoers' file?
In /etc/sudoers, it says:
# This file MUST be edited with the 'visudo' command as root.
My question is, why must this file be edited with visudo?
It seems I was able to edit the file successfully ...
- 409
3
votes
4
answers
9k
views
How to allow a command to be executed for a particular user without password with sudoers file?
Can anyone please explain the exact work of these in /etc/sudoers ? (I've done some research, so please don't share any links)
I want to add myself (member of sudo) to execute a command without ...
- 346
2
votes
3
answers
2k
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
...
- 196
-10
votes
1
answer
3k
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 have ...
- 263
8
votes
1
answer
1k
views
Difference between "select-editor" and "update-alternatives --config editor"
I'm looking at how Ubuntu selects a default editor, and I notice that to set the default editor for editing crontabs, I use select-editor while to set the default editor for visudo I use update-...
- 183
3
votes
4
answers
11k
views
Change in sudoers does not take effect. Ubuntu 16.10 fresh install + one line.
Trying to remove password on sudo. My current sudoers file:
Defaults env_reset
Defaults mail_badpass
Defaults secure_path="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:...
- 41
3
votes
2
answers
10k
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 ...
- 428
0
votes
1
answer
1k
views
/etc/sudoers is owned by gid 33, should be 0, and when I try pkexec I get "authentication failed"
I was trying to get access and write permissions to my apache sites-available folder over ssh/sftp. I didn't really understand what I was doing to be honest and ran the following commands:
$ sudo ...
0
votes
0
answers
461
views
How can I configure visudo to run a script with root privileges for a non root user?
I need than a deployer (member of group deploy) can run some scripts with root priviegies. But I dont want that deployers can run anythig. I try this.
With a root user I do:
~$ echo "touch /opt/expe/...
- 234
-5
votes
1
answer
105
views
Why Ubuntu still hasnt fixed deleted passwords issue?
So after 6 years this question was posted I still ran into same issue. I did the followoing :
myusername ALL=(ALL) NOPASSWD:ALL
And it was going fine for some time so if I am installing any software ...
