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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4
votes
1answer
398 views

Why does hd-idle need sudo to run in rc.local?

I have added a command that runs "hd-idle". It seems to need to run as root as otherwise it does not spin down the drives as instructed. Behavior seems to be the same when executed manually or via ...
3
votes
1answer
2k views

What causes “pam_unix … conversation failed” in auth.log

There are thousands of entries in my auth.log like this: sudo: pam_unix(sudo:auth): conversation failed What causes these to occur? I'd like to fix whatever it is but I'm a bit mystified as to ...
2
votes
1answer
72 views

How to find out which programs are taking up alot of memory?

I've been getting messages that I have exceeded my quota limits. I am new to Linux and am not sure what to do. With windows, I could easily just go to Control panel, add/remove programs, and uninstall ...
2
votes
1answer
129 views

Ubuntu no longer prompts for root privilege (but doesn't give it either)

So on 14.04 LTS I was playing around with some settings to solve another problem, and somehow managed to screw things up and now Ubuntu no longer asks for root privileges before trying to perform ...
2
votes
1answer
540 views

Permission denied error after SSH login

I am having Permission denied errors after logging with non root user (which has permissions to do "sudo -i" command). I get these errors: -bash: /bin/uname: Permission denied -bash: [: =: unary ...
2
votes
1answer
2k views

sudo: unknown uid xxxxx: who are you?

I was using ssh and trying to upgrade a system from Ubuntu 10.04 to 12.04. The connection had an issue so I had to login again to finish the upgrade. After running sudo dpkg --configure -a that was ...
2
votes
1answer
90 views

Aliased rm, how do I also alias sudo rm

I aliased rm to a echo use del or full path to rm to save myself from accidental rm (just lost my $HOME to it). But sudo rm still uses /bin/rm. How can I alias it to also print same message? PS: del ...
2
votes
1answer
87 views

Updater is not upgrading

I am using Ubuntu 12.10. I tried to upgrade it using the Software Updater, but it is not working even after pressing Upgrade button. Then I tried to upgrade through the terminal using the command sudo ...
2
votes
1answer
108 views

How to clean up aftermath from rookie ubuntu command

Here are the commands I regretfully run: sudo chgrp root /usr/bin sudo chgrp root /usr/local I had recently added a user to root group and because my user still did not have write permissions, I ...
2
votes
1answer
129 views

Why my gnome terminal is set to root by default?

When I try to open up a new terminal in Ubuntu to do some operations, it always defaults to an admin based terminal with [sudo] password for xxxxxxxx: $ I need a regular terminal. How do I do this? I ...
2
votes
1answer
844 views

Unable to open Update manager or Ubuntu tweak

I cannot open Update manager and Ubuntu Tweak when I open Ubuntu tweak I get this log user@laptop:~$ ubuntu-tweak Traceback (most recent call last): File "/usr/bin/ubuntu-tweak", line 124, in ...
2
votes
1answer
291 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.
0
votes
0answers
80 views

ubuntu 12.04 booting freezing on “Booting system without full network configuration…”

I have Asus laptop with Ubuntu 12.04 on it, the problem start after I change the permission of /etc which result that I can't execute the sudo commands when I tried to change the permission I got this ...
0
votes
0answers
29 views

sudo password 14.04 after some maintenance

After an update and using system janitor I no longer have syncing password for sudo. initial ubuntu login works but screen lock password for admin account no longer provide sudo in terminal, system ...
0
votes
0answers
13 views

How to re-enable the only admin

I have one account on my Ubuntu and it's the admin but I accidentally disabled it. How do I un-disable it?
0
votes
0answers
44 views

What is this fprint log doing when I sudo?

A while ago I was trying to get my fingerprint reader to work, compiling an experimental version of fprint. Since then, every time I sudo, in stead of asking for my password I get an fprint log. ...
0
votes
0answers
36 views

'sudo' is not known after moonlight install

yesterday I tried install moonlight (silverlight) and something going wrong. Now i have problem with update and Ubuntu software center. E: Typ "sudo" is not known in line 1 list sources ...
0
votes
0answers
242 views

unable to resolve host address in ubuntu 14.04 with sudo

im trying the following: wget https://pypi.python.org/simple/ and its working fine. But if try the same with sudo as follows, its giving me an error: sudo wget https://pypi.python.org/simple/ ...
0
votes
0answers
17 views

IAM role in ubuntu

I am facing 'RepositoryException' when I tried to host snapshot data of elastic search data from a Windows to a Linux machine. I think it's due to user permissions. Browsing this link to github, i'm ...
0
votes
0answers
24 views

User was deleted after reboot

Unsolved mystery - I was given a coworker's Ubuntu 12.04.1 LTS machine and set up my own (sudo/admin) user on there from the command line. I switched to my user and confirmed everything was okay using ...
0
votes
0answers
59 views

How to leave root without exit command or ctrl+D

I'm logged in as root to do some stuff, and i have Tmux open. The trouble is, when I type 'exit' to leave root, it instead closes Tmux, because they use the same command. Is there a way to switch back ...
0
votes
0answers
181 views

Can only commit changes to dconf as root

This is all over ssh. If I run gedit I get lots of dconf errors (gedit:35765): dconf-WARNING **: failed to commit changes to dconf: Could not connect: Connection refused If I run sudo gedit I get ...
0
votes
0answers
45 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 ...
0
votes
0answers
30 views

Whitelist a program as admin

Everytime I run WICD (Network Manager) it requires my password for permission. I'm not against Ubuntu asking for passwords in general but everytime I log in is a little excessive. Is there a way to ...
0
votes
0answers
113 views

When running a shell script using sudo I am getting no tty present and no askpass program specified

I am trying to build a project using jenkins. The project is based on node. I wrote a shell script that has only npm install command. I am running the shell script from jenkins as sh ...
0
votes
0answers
299 views

My ubuntu is broken, error with gksu!

I keep getting this when is use gksu nautilus: shonn@shonn-Satellite-A505:~$ gksu nautilus Nautilus-Share-Message: Called "net usershare info" but it failed: 'net usershare' returned error 255: net ...
0
votes
0answers
36 views

Questions about checking for badblocks on a almost-definate bad HDD, I am new to Ubuntu

Heres the deal, I'm on an Asus x53sv-mh71, it's my friend's laptop. He dropped it about a month ago, and it stopped working about a week afterward. Wouldn't boot past the "starting windows" logo. I ...
0
votes
0answers
33 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
0answers
92 views

Networks not working after 14.04 install

Installed 14.04 on a Dell Inspiron 1721 that is running Windows Vista Home parallel. The wired and wireless network works fine in Vista but in Ubuntu it doesn't detect any network connections. I am ...
0
votes
0answers
47 views

Generally-accepted way of giving a user rwx permissions to /etc

I need a non-root user (say, myuser) to be able to have unbridled, recursive rwx access to /etc and anything underneath it. Hence if I execute, say: mkdir /etc/fizz I shouldn't receive any ...
0
votes
0answers
16 views

Password restriction is not working

I have two administrator accounts "magesh" and "test". I don't want "test" user to change my password in the UI. I have restricted it in terminal by giving the following commands in /etc/sudoers ...
0
votes
0answers
56 views

Graphical pkexec require username and password

I am wondering if there is a way to have the graphical authentication part of pkexec ask for a username as well as a password instead of just a password. The computer I am trying to get set up is on ...
0
votes
0answers
85 views

Install glogg package with dpkg command and no root privileges

I'm trying to install a package called glogg without root privileges. I have successfully downloaded the .deb file (to $HOME/packages/glogg). But when I run dpkg -i --force-not-root ...
0
votes
0answers
44 views

GUI applications doesn't ask for sudo password

I have bought a VPS and installed Ubuntu 12.04 on it. However I needed a GUI, so I installed xubuntu-desktop packages and a vnc server. That part just works fine, I also created a user, and added it ...
0
votes
0answers
51 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
16 views

How to gain root access to UEC image?

When openstack creates an instance from a UEC image (using precise amd64), the SSH public key is successfully injected via cloud-init and I'm able to ssh into the instance via the ubuntu account, but ...
0
votes
0answers
60 views

Home folder gone, unable to launch GUI, unable to use root from command line

I have upgraded to 14.04 but on reboot I was unable to login to my account, it flashed some code for a second then returned to the login prompt. I can now login but it takes me to a completely blank ...
0
votes
0answers
37 views

User has Sudo access locally but not remotly

I've got a ubuntu desktop installed as a vm on win 2012 server. I've installed Likewise Active Directory to allow domain users to log into the machine with windows credentials. In my sudoers file I've ...
0
votes
0answers
92 views

Errors were encountered while processing

When trying to do sudo apt-get install I'm getting this at the end: Processing triggers for python-central ... Errors were encountered while processing: logmein-client:i386 E: Sub-process ...
0
votes
0answers
481 views

sudo not working after rsync - unable to open /etc/sudoers: Permission denied

Bought a new drive. Formatted to ext4, mounted the partition and ran sudo rsync -aAX --delete /* /mnt/ --exclude={/dev/*,/proc/*,/sys/*,/tmp/*,/run/*,/mnt/*,/media/*,/lost+found} This moved all my ...
0
votes
0answers
28 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
0answers
444 views

sudoers entry does not work

I recently updated my ubuntu to 14.04. I have an script which calls just sudo hidd --search, that I start to connect my bluetooth mouse. Now I made an entry to /etc/sudoers like this: markus ...
0
votes
0answers
50 views

USB needs superuser

So I recently plugged in an USB and I don't know why it needs superuser now. When I go to nemo in sudo, It listed my old USB as usb1 and my new USB as Ducky Momo (It's name is Ducky Momo and it's a ...
0
votes
0answers
178 views

Upgraded Server from 12.04 LTS to 14.04 LTS - lost sudoers

I am no longer able to control my server from the one user I have access to. When performing sudo commands, I am presented with the following error: USERNAMEHERE is not in the sudoers file. This ...
0
votes
0answers
180 views

Cannot change “Sudo Front Header” in Peer Guardian

I have been told this is not an issue with Peer Guardian. When setting up peer guardian I cannot change my "Sudo Front Header." I recieve no error messages but when trying to edit settings after ...
0
votes
0answers
42 views

directory locked

I have been trying to install virtualbox using this command: sudo apt-get install virtualbox.qt But I am getting this error: E: Unable to lock directory /var/cache/apt/archives/ I have been ...
0
votes
0answers
1k views

passwd : Authentication Token Manipulation Error

I couldn't use the command mount -rw -o remount / . This command asks for sudo password and then when i typed my password, it shows Your password has expired. It is almost a deadlock now. Somebody ...
0
votes
0answers
78 views

/etc/sudoers.d: Too many open files during npm install

When I ran npm install the first time, it suddenly slowed down my system to a crawl. Moving the cursor would take about 30 seconds to register on screen. Evenually NPM finished with a failure and ...
0
votes
0answers
81 views

faillog command doesn't work for all users

I set faillog to lock my users after 3 login attempt failures, but it works only for users belong to "sudo group" I searched the faillog(8) man page for ubuntu 13.04 in http://manpages.ubuntu.com , ...
-4
votes
0answers
39 views

OK 40th or so unbuntu install!! Why sudo apt-get install fail2ban not work?

r-4-w@R-A-R:~$ sudo apt-get install gufw [sudo] password for r-4-w: Reading package lists... Done Building dependency tree Reading state information... Done E: Unable to locate package gufw ...