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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2
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1answer
85 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
21 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
77 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
72 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
48 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
139 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
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1answer
62 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
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1answer
33 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
255 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 ...
1
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1answer
52 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
114 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
160 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
38 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
141 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
736 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
327 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
1k 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
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1answer
743 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
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1answer
134 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
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1answer
564 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
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1answer
295 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
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1answer
753 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
472 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
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1answer
328 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
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1answer
933 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
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1answer
194 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
16 views

Allow nopasswd sudo for specific user

I am trying to set the scp as a specific user with NOPASSWD. alice ALL = (bob:ALL) NOPASSWD: /usr/bin/scp As I did understand from this question. However when I save using my visudo I still can't ...
0
votes
1answer
14 views

Terminal error output RE: editing .conf file in Xbuntu [owned by uid 1000 istead of 0]

Was curious as to the terminal error output from running sudo Kate. I read in a forum that directed me to open my notepad using gksudo. Realizing that this had not been installed I just went ahead and ...
0
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1answer
47 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 ...
0
votes
1answer
15 views

Easing entry of sudo password for remote hosts?

I'm logging on to remote hosts via SSH to do server admin. The login uses a cert but I login as a normal user (ssh -p $PORT $USER@$HOST) and use sudo to run commands. It's a pain to have to enter the ...
0
votes
1answer
35 views

How to move folder from desktop to /lib/firmware?

I need to copy this b43 folder so i can get the broadcom firmware on Ubuntu 10.10 (which is the version I am running on). I've been looking around forever and have been trying different command lines ...
0
votes
1answer
20 views

Why can I not add more secondary groups?

I make a group called "teamspeak" and I would then like to be a part of that group, so I use sudo usermod -a -G teamspeak xdrosenheim as it is explained here and in the man usermod. I then do id ...
0
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1answer
40 views

Problem with sudo via ssh

I'm using the following script to execute a update script on a certain number of servers in my network. Here is the part, which I think that is relevant. ### Actual Work ### if [[ $manual == 1 ]]; ...
0
votes
1answer
61 views

Power management failure and /usr/bin/sudo must be owned by uid 0 and have the setuid bit set

A few days age I purchased a new laptop, Asus X751MD, and I installed the 64 bit Kubuntu version of 14.10. After installing some programs and restarting the computer, I got the power management ...
0
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1answer
58 views

A file (/usr/bin/sudo) highlighted with red in Terminal

Anyone knows what it means when '/usr/bin/sudo' is highlighted with red in the terminal? This wasn't like this a few minutes ago Apologies if this is a dumb question, but it's been a while I had to ...
0
votes
1answer
161 views

How do I get into recovery mode on ubuntu 14.04 if the option not showing

I just boot up my laptop then run the sudo apt-get update command, but there's an error says [username] is not in the sudoers file. This incident will be reported. .so I search the google for ...
0
votes
1answer
42 views

problem with software center 12.04

I have been using 12.04 in dell vostro since a year. It was working properly but suddenly the Ubuntu Software Center has started hanging. Now it doesn't open. And every time I try to open it, I have ...
0
votes
1answer
48 views

How can I get a .sh file to run as Sudo in profile.d?

I have a .sh script that needs to run to check if a machine has had certain parameters set. I've placed it in the profile.d directory but I need this script to run with sudo privilege. Does anyone ...
0
votes
1answer
109 views

Why the PHP software is not getting updated to the latest stable released version?

I'm using LAMP on my local machine which runs Ubuntu 12.04. Currently I'm using PHP 5.5.20 on my machine. Following is the command I run from the terminal and below that is the output: ~$ php -v ...
0
votes
1answer
95 views

How do I switch back to Windows 8?

Okay so I am taking an online course to learn Linux and Ubuntu. On my desktop that has windows 8.1, I downloaded Ubuntu and then watched a couple of videos to make sure that I partitioned the drive ...
0
votes
1answer
53 views

Any program that use Java needs to be run under sudo?

I have installed a program that needs Java and I've changed to different Java runtime (Oracle). Now every use of java needs to be run from the terminal under sudo. I needs to make it to use Java ...
0
votes
1answer
385 views

Update alternatives java for all users

I'm using ubuntu 14.04 with multiple java versions on it. I'm trying to change the current java version for my user with: sudo update-alternatives --config java sudo update-alternatives ...
0
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1answer
45 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 ...
0
votes
1answer
16 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
53 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 ...
0
votes
1answer
44 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?
0
votes
1answer
43 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 ...