Questions related to the sudo command that allows users to run programs with the privileges of a different user (normally the root user).

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1answer
848 views

How to start IPython with sudo

How do I start IPython using sudo? So e.g. when I do sudo optirun ipython it says [40475.566816] [ERROR]Error running "ipython": No such file or directory I know it sounds a bit crazy but I'm ...
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2answers
679 views

`sudo chmod +x *` caused me cannot open anything

Today I used sudo chmod +x * -R in my $HOME folder, actually I didn't want to use it in $HOME folder, it was an accident. Afterthat I tried to use sudo chmod -x * to fix it. But now, I couldn't open ...
1
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0answers
740 views

Sudo apt-get update not working probelm with mono-xamarin

When I run sudo apt-get update I get the error: E: Malformed line 4 in source list /etc/apt/sources.list.d/mono-xamarin.list (type) E: The list of sources could not be read Does anyone know how to ...
1
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1answer
523 views

“cannot open display: :0” error when using sudo with any GTK app

I want to run gmsartcontrol (UI tool for smartctl) which needs to be run as root in order to access the drives and read their SMART status. However doing this: sudo gmsartcontrol I get this ...
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1answer
4k views

E: Type 'sudo' is not known on line 1 in source list /etc/apt/sources.list.d/mono-xamarin.list

I don't know what caused the following to happen: The content of /etc/apt/sources-list.d/mono-xamarin.list is sudo apt-get update.
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0answers
43 views

chmod -R 777 /etc, I have no name! [duplicate]

I really screwed up and did sudo chmod -R 777 /etc After searching for hours for an answer I eventually booted into recovery mode and did: mount -o rw,remount / # because the file-system was ...
0
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2answers
634 views

GTK apps not respecting Kubuntu's oxygen-gtk theme when executed as sudo

I am using Kubuntu 14.10 and it's working quite well so far, but my problem is pretty much what it's stated in the title, when executing a GTK app that requires sudo privileges, such as Synaptic ...
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1answer
208 views

LightDM does not ask for login password

I have an auto-logged in non-sudo user called "screen". I have a passwordless sudo but login-protected user called "support". I'm pretty sure this was working fine before, somehow maybe the latest ...
2
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1answer
109 views

Cannot go into Root

When I enter sudo su or sudo -i in terminal on Ubuntu 12.04, I cannot become superuser. When I enter the password nothing happens. Its like: user@host~: sudo -i enter passwd: ****** user@host~: ...
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1answer
17 views

Lazy right management for package installation

You can install a package (here package), by running sudo apt-get install package Some installation scripts written in bash perform such actions and require the user to enter the password every ...
0
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2answers
723 views

Shall I delete this line in sources.list?

This line deb-src-src http://us.archive.ubuntu.com/ubuntu/ utopic main restricted, Line 63, in sources.list is not known on sudo apt-get update and is causing Synaptic Package Manager and Ubuntu ...
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1answer
17 views

Start an appli with sheduled task not work

I have a seedbox unders a ubuntu desktop server. I run rtorrent correctly but if I restart the server I need to relaunch rtorrent with this command : sudo -i #mypassword" screen -fa -d -m rtorrent ...
0
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1answer
51 views

Permissions of a new User changed mine

I have a pc which is running Linux Ubuntu 14.04 and few weeks ago a colleague of mine added him to the pc and since then I can do sudo something but I can't perform certain actions like: installing ...
0
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1answer
88 views

How to get the long 'less' prompt with sudo?

I have added the following to my user's .bashrc file to get a longer prompt in less: export LESS="-M" This is added to the root user's .bashrc file as well, so when I sudo bash to get a root shell, ...
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2answers
321 views

Simple question on sudo su -

What is wrong with the following? [cloudera@localhost zookeeper]$ sudo su - zookeeper [cloudera@localhost zookeeper]$ whoami cloudera In response to one of the comments: [cloudera@localhost ...
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0answers
125 views

Correct permissions or undo a command [duplicate]

I will start this question with I'm a noob and I broke linux. Probably shouldn't have ran the command I did but now I cannot use sudo for anything not sure how to undo fix what I did. The command I ...
2
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1answer
1k views

Run script with arguments as sudo without being asked for password

I have two programs in Java that I'm calling from bash script: java program1 arg ... arg sudo java program2 arg ... arg I want to run program2 as sudo without being asked for password. I'm aware of ...
0
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1answer
2k views

sudo error permission denied

I have started few days ago with Ubuntu Server and I've got a weird error: ubuntu@ubuntu: $ sudo -s sudo: /var/lib/sudo/ubuntu/ is accessible in write mode from not-owner (040777), should have ...
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4answers
3k views

Undo sudo rm -R /*

I stupidly ran sudo rm /* followed by sudo rm -R /* My sites still run, although the vast majority of commands like ls are now broken. Is there a simple way to get data off the server or reverse ...
0
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2answers
5k views

“sudo su” does not pass the environment variables to the new shell? [duplicate]

su manual http://manpages.ubuntu.com/manpages/precise/man1/su.1.html The current environment is passed to the new shell. Obviously you cant use su in Ubuntu as in su but it has to be always ...
0
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1answer
81 views

modify another user's password entry with sudo power

what are the sequence of commands to modify another user's password entry with sudo power in ubuntu? I like to change the other user's pass in ubuntu with sudo power?
0
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1answer
76 views

Run interpreted commands within sudo

The question is how to run generic commands which may contain ; && | < > << >> $ and so on within sudo. Possible solutions could be: To use interpreters within sudo sudo /bin/...
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2answers
1k views

Run sudo command within directory

Possible solutions could be: Starting interactive session. sudo -s <<< "cd dir ; command" or sudo /bin/bash -c "cd dir ; command" But I don't have /bin/bash /bin/sh /bin/su or other ...
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1answer
75 views

Why do I need sudo to run apt-mirror?

Why do I need sudo to run apt-mirror? Is there a way to run apt-mirror without sudo?
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2answers
120 views

Cannot run this program neither with nor without sudo

I tried to run this program (texlive package manager): tlmgr install and got this error: You don't have permission to change the installation in any way, specifically, the directory /usr/local/...
0
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1answer
775 views

sudo geany throws fatal error [duplicate]

I really like the Geany text editor, and would like to use it instead of gedit for all text editing. However, every time I try to launch Geany from the terminal using sudo geany file.conf, I get this ...
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1answer
518 views

Booting in single user mode

On 14.10 holding shift at boot time doesn't bring up the grub menu. Is there another way I can boot in single user mode? I have bricked my sudoers file so I can't use sudo btw. I don't get a grub ...
2
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1answer
478 views

unix - disable “su” for ssh'ers

I'd like to disable getting root at all for users who ssh in - including "sudo su" cause that's pretty much the same thing... Can this be done? Assume that I'M not ssh'ing in, and have physical access ...
0
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1answer
285 views

installing software package for any user account and root user

Suppose I've two users in my system viz. USER1 and USER2. When I need to install any package for any user say USER1, I need to do "sudo su" which means root privilege. But is this software installed ...
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1answer
107 views

sudo apt-get update in 14.04 [duplicate]

I really need your help when i wrote this command (sudo apt-get update) in terminal , it give me this errors : E: Type 'See' is not known on line 2 in source list /etc/apt/sources.list E: Type 'dep' ...
1
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1answer
2k views

how to remove kubuntu plasma 5 dekstop?

I installed KDE 5 Plasma using this command $ sudo apt-add-repository ppa:kubuntu-ppa/next $ sudo apt-get update $ sudo apt-get install kubuntu-plasma5-desktop $ sudo apt-get upgrade How to remove ...
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0answers
1k views

SFTP as a different user than you logged in with

I connect to my work machine over SSH. Sometimes I transfer files back and forth using using Nautilus' "Connect to Server" feature. Sometimes I change to the root user and run commands. But I cannot ...
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1answer
46 views

I seem no longer to be a sudoer

On Sunday I let my son watch Netflix on my laptop as I was ill and in bed so couldn't watch it downstairs on the television with him. This may or may not be the root cause of my problem. Sudo no ...
0
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1answer
2k views

How to fix error temporary failure resolving 'archive.ubuntu.com'

I'm trying to install openvswitch on a Ubuntu VM(virtualbox) After executing sudo apt-get install openvswitch-switch I get the following errors: err http //archive.ubuntu.com/ubuntu/ trusty/main ...
0
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1answer
238 views

cannot switch to root

I cannot do "sudo su" It says "Cannot execute /bin/bash: No such file or directory". I have not bash file at /bin/bash. Please let me know how to recover it. I tried copying it from other system or ...
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0answers
202 views

Ubuntu 14.10 asks permissions for everything

I just made a clean install of Ubuntu 14.10, since I had a 14.04 that I had upgraded a few times. After the install, the OS asks root permissions for a lot of stuff I was able to do without issues ...
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3answers
522 views

Skype requires sudo access to run?

Okay, so I recently installed Ubuntu 14.04 and from there upgraded to 14.10. My installation is 64bit. I have installed several other programs and all work fine. For some reason when I try to run ...
0
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1answer
135 views

Install boto without password

I am new to Ubuntu. I have a virtual box on a Windows 7 computer. I went to this page. https://github.com/boto/boto I need to install boto. The commands are $ git clone git://github.com/boto/boto....
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1answer
88 views

What is the difference between `root ALL=(ALL:ALL) ALL` and `root ALL=(ALL) ALL`?

This line is from my Ubuntu 14.04 root ALL=(ALL:ALL) ALL What is the meaning of the third ALL? What is the difference between the above line and root ALL=(ALL) ALL?
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1answer
158 views

Cannot run script at start-up because of dependecy

I want to make some scripts running at start-up, but one of them.. I read a lot of posts and tried lots of ways but still cannot make it. Let me explain what I want. I have a ubuntu 12.04. I need to ...
35
votes
6answers
6k views

What's wrong with using sudo?

In a comment here I've been told that unnecessarily using sudo should be avoided. While it wasn't needed in that particular case, I don't see any harm in using it. I think that when executing trivial ...
0
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1answer
61 views

User stopped being sudoer after release upgrade

I've upgraded one of web server, that was running Ubuntu from 11.10 to 12.04 (No downtime since it's creation, though serving 10-40k requests/daily). sudo apt-get install update-manager-core do-...
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0answers
25 views

Cannot execute sudo command without correct password (Even though my account has no password). Why? [duplicate]

My account on my computer does not require a password, and I have admin privelages. As I understand it, so I'm trying to run sudo [...] and getting the following result when leaving the password field ...
1
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1answer
91 views

Asking for a sudo password in advance

I have some scripts for backing up data. Some of them need root access, so I use them with sudo. However, sometimes I get confused, e.g. for the mySQL backup, which also needs a mySQL root password. ...
0
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2answers
568 views

How can I have Wicd connect to my wireless network without having to enter a password?

In the context of my earlier deleted question below: Everytime I run WICD (Network Manager) it requires my password for permission. I'm not against Ubuntu asking for passwords in general but ...
9
votes
1answer
817 views

How could I have dropped out of sudoers? [duplicate]

I started to receive a message dims is not in the sudoers file. This incident will be reported. about myself. How could this happen? The suspicious command I made was creating group "advanced" ...
2
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0answers
173 views

How to disable mpm-itk for a specific virtualhost?

I've a main site on a server that needs to run a sudo command which I white listed via visudo. That worked fine until I installed apache-mpm-itk and then I started getting the following error: sudo: ...
1
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1answer
136 views

Enable NOPASSWD without manual interaction

I need to enable NOPASSWD for one user across 60+ hosts. I've only ever enabled it manually, using visudo. Is there a way to script this? I can easily log into all hosts as root, but I'm not sure if ...
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0answers
256 views

sudo command not working

When I try to use the command sudo mountall, the following error message appears: sudo: unable to open /var/lib/sudo/username/1: No such file or directory So how do I solve this?
7
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1answer
753 views

How can I change the number of password entry attempts allowed by sudo?

By default, sudo prompts me to input my user password a maximum of three times if I input wrong password. How can I change it to unlimited times(?)? How can I make it so that it asks me for my ...