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
103 views

How to add flags and/or arguments to a command in the 'sudoers' file

How would I add flags and/or arguments to allow users in the sudoers file to run certain parts of commands, such as only allowing a user to run sudo rm and not sudo rm -rf? I am using 14.04. # # ...
4
votes
1answer
438 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
136 views

Suddenly can't run sudo

I didn't do anything on the computer except Internet for a few days and suddenly when I tried to do: $ sudo apt-get update I got: sudo: effective uid is not 0, is /usr/bin/sudo on a file system ...
3
votes
1answer
89 views

Can't start program without using sudo

I have monodevelop 5.7 installed on my computer with ubuntu 14.10, but when I tried run it from launcher and from the command ~$ monodevelop they didn't work. But when I used the command ~$ sudo ...
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 ...
3
votes
1answer
321 views

Eclipse Juno won't open gui java apps when run with gksudo

I have Eclipse Juno installed on Ubuntu 12.04. When I run from the command line with sudo, everything works fine. However, when I follow the advice I see everywhere and run it with gksudo, I get the ...
2
votes
1answer
105 views

apt-get update fails in Ubuntu 14.04 due to GPG Error

I am currently on Ubuntu 14.04 (new to Ubuntu, migrated recently). 'apt-get install' works fine, and my connection is working fine as well. But when I run apt-get update, this is what happens 100% ...
2
votes
1answer
85 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
781 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
105 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
90 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
134 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
138 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
929 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
339 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.
2
votes
1answer
88 views

Allow any user to use shutdown with my own shell

First of all sorry if my english is not excelent but it isnt my native language. I have a project where I'm building my own shell (named MYSHELL). One of the tasks is to create my own built-in ...
2
votes
1answer
57 views

Is it possible to run an application as superuser within boot without input?

I have an Ubuntu 12.04 Desktop machine running as a server with no input devices accessible after initial setup. I need to place any application that I want to run within the boot process. I have one ...
1
vote
1answer
60 views

launch ipython but not like root

ipython is launched like root (UID); ok, but I need that after ipython cann't run and don't allow, script/code that can gain root privilegies. eg I launch ipython, ok the UID is root. And in my ...
1
vote
1answer
51 views

mv: cannot move ‘/etc/default/keyboard.tmp’ to ‘/etc/default/keyboard’: Operation not permitted

I run: sudo mv /etc/default/keyboard.tmp /etc/default/keyboard I get this error: mv: cannot move ‘/etc/default/keyboard.tmp’ to ‘/etc/default/keyboard’: Operation not permitted How to fix this ? ...
1
vote
1answer
90 views

unable to install vim

I am using Ubuntu 12.04 and when I try installing the vim editor with: sudo apt-get update sudo apt-get install vim I receive the error: THE PACKAGE VIM HAS NO INSTALLATION CANDIDATE. I have even ...
1
vote
1answer
742 views

Running Composer without using sudo (tried changed owner and permissions)

Every time I run composer (e.g., sudo composer install, sudo composer self-update etc.) I need to run this with sudo as the owner of the file is root. However every time I use the composer with sudo ...
1
vote
1answer
198 views

cannot use sudo after using sudo passwd root

My System problem detected when I tried sudo passwd root in my ubuntu. I changed my root password by using the below command. sudo passwd root Now my system password changed, after this i could ...
1
vote
1answer
121 views

how to create admin account as a duplicate root account for telnet and disable root login over network?

I've been searching for the answer to this but all I find is "It doesn't work". I am a new, yes. I am still a student and i still learn about it. I am happy to break my OS and format it many times if ...
1
vote
1answer
289 views

SU setgid: PERMISSION DENIED, SUDO: PERM_ROOT 0, -1, 1 PERMISSION DENIED

Hi I have a problem that I cannot solve. I cannot log into root, su, or sudo. Everything works fine via ssh so I tried on ssh via putty: Set root password: sudo passwd Add user to sudo/admin ...
1
vote
1answer
69 views

Can not excute commands with sudo

I forgot Ubuntu user password, after referring articles on how to reset user password, I could reset the password for the user. passwd menuka from the recovery mode. However, I tried the new password ...
1
vote
1answer
47 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, ...
1
vote
1answer
55 views

How do I edit a system file when I am root user but I receive “you are not in the sudoers file”?

I am using Ubuntu 12.04(LTS) 64 bit. I have edited /etc/group and added my username erfan in front of vboxusers as following: root:x:0: daemon:x:1: bin:x:2: . . . erfan:x:1000: sambashare:x:124: ...
1
vote
1answer
158 views

Setting proxy in Ubuntu terminal - proxy having special characters

I am trying to set proxy for a ubuntu server 12.04. Our proxy user name contains in the format: CompanyName\UserName and Password like: $test I tried to set proxy like this: export ...
1
vote
1answer
194 views

Would like to use different passwords for initial login and sudo for encrypted home folder

I just encrypted my home directory using ecryptfs and the instructions from How to Encrypt Ubuntu Home Folder After Installation. In order to really benefit from the encryption, however, I needed to ...
1
vote
1answer
45 views

kdesudo - can it return before spawned process closes?

kdesudo doesn't return until the process started with it exits. So, if I want to start three processes all at the same time, I have to use three terminal tabs. I'd rather use one tab that returns to ...
1
vote
1answer
324 views

How to add Active Directory users as sudoers

I'm following this article. What I've done: I can connect to Active Directory I can login to the Active Directory Now what I'm looking for is a way to make any active directory user a sudoer. I'm ...
1
vote
1answer
823 views

Authenticating error with ubuntu 14.04 LTS

< Problem: Just as I upgraded my ubuntu 13.10 to 14.04 LTS. I couldn't pass keyring and bash authentication. I can login in recovery mood for both root and my account, but that's not the case in ...
1
vote
1answer
399 views

Cannot add ppa for gvfs-mtp

I am a total newbie concerning anything to do with Ubuntu/Linux. I am running 12.04 on VM Player. I am trying to connect my HTC One (Android 4.3) to Ubuntu, and looking online has told me to do: ...
1
vote
1answer
3k views

Permission problem with SFTP in FileZilla

Recently, we installed Ubuntu Server on our servers this is very new for us. However, we tried to setup a apache2 server which did work. But the problem is that we can't configure apache and other ...
1
vote
1answer
2k views

Adduser: group sudo does not exist

I am able to login to my account but can't do anything related to superuser now. Updates, sharing, sudo and all things say authentication failed. I tried to correct that by going in recovery mode and ...
1
vote
1answer
823 views

cannot start graphical programs with sudo

i have a fresh ubuntu 12.04 installation with encrypted home partition. i copied over my home folder from another computer. when i try to launch graphical programs via sudo i get errors like the ...
1
vote
1answer
174 views

How do I perform a backup of sudoers file?

After reading the following two posts: Trying to install an openVPN GUI messed up sudoers Standards accounts are able to get root access using sudo without password request I would like to learn ...
1
vote
1answer
2k views

Having Error message while using the “sudo nautilus” command in terminal

I am using Ubuntu 12.04 LTS (32 bit). When I run "sudo nautilus" command in the Terminal, this output appears: tushar@tushar-G41M-Combo:~$ sudo nautilus [sudo] password for tushar: Initializing ...
1
vote
1answer
586 views

Upgrading from 12.10 to 13.04 -> dpkg: error processing sudo (--configure)

Here's the deal and reason I'm asking for your help. Last night I went on upgrading my Xubuntu 12.10 installation to 13.04, so at tty1 I run the command sudo do-release-upgrade and everything ...
1
vote
1answer
299 views

Problem with Login Screen and Sudo Comand

I'm new to Linux world, infact I have installed Ubuntu 12.04 yesterday on my computer. I have Dual-COre processor, 2GB RAM, 500GB HardDisk, No graphics card and XP in parallel. I'm facing So many ...
1
vote
1answer
884 views

12.04 sudo testparm -s smb.conf.master >smb.conf fails on permsissions

When I run sudo testparm -s smb.conf.master >smb.conf bash: smb.conf: Permission denied I just need a simple samba configuration to share files among 4 linux machines behind a router on a very ...
1
vote
1answer
486 views

installing apache 2 in ubuntu

Hello I am new to ubuntu. I am trying to install Apache2 using "sudo apt-get install apache2" command.I have set my java path as per rules but still its showing me this following errors: sha256sum ...
1
vote
1answer
359 views

Only user can no more sudo and root account in safemode has password

I accidentally commented the line Members of the admin group may gain root privileges: %admin ALL=(ALL) ALL in /etc/sudoers file, now i am unable to sudo into my system using the only available ...
1
vote
1answer
968 views

Sudo user without the permission to edit sudoers

How can I add an user to sudoers list with all privileges, but that user should not be able to edit the sudoers file ?
1
vote
1answer
197 views

How to dial modem without sudo

I am using ixconn as modem manager because it has many more features than the default network manager. But it cannot be used without root privileges (i.e., sudo). How can I use ixconn to dial my ...
0
votes
1answer
8 views

sudo: /var/lib/sudo writable by non-owner (040777), should be mode 0700

I get error message always when i work with sudo command. It shows always sudo: /var/lib/sudo writable by non-owner (040777), should be mode 0700. A while ago i changed the permission of /var ...
0
votes
1answer
8 views

getting error for knife bootstrap on ubuntu chef node

Getting knife bootstrap error on ubuntu chef node $ knife bootstrap 52.8.178.221 -x ubuntu -i ~/Keys/chef1.pem mkdir: cannot create directory ‘/etc/chef’: Permission denied 52.8.178.221 bash: ...
0
votes
1answer
41 views

What is sudo nautilus ? What does it do ? When do i use it?

Newbie here. I had to install adobe flash plugin and add it to firefox. I followed instructions of a youtube video and did that successfully. In one of the step it asked me to enter the command: ...
0
votes
1answer
19 views

User B can sudo to an user A (not root or group admin)

I'm newbie, so please help me : In system , only user 'execute_prog'(not in group admin) has permission to execute a program ABC. Now, I want that user B can sudo as 'execute_prog' to execute this ...