sudo - Execute a command with superuser privileges.

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0answers
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How can I run a command as root user on Ubuntu? [duplicate]

It seems Ubuntu has disabled the root user account so su doesnt work which is causing me an issue where I have an apache log file that is owned by root $ls -al error.log -rw-r----- 1 root adm 2061050 ...
1
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1answer
16 views

User settings for monit? Should it run as root, or it's own user?

I'm trying to install monit on an Ubuntu 12.04 server. I have it set up, and configured (i think), but i'm not sure what user it's supposed to run as. My user on the server is called deploy, and my ...
2
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1answer
28 views

Is granting unattended-upgrade command to non-sudo users safe?

I have found out that I give get a non-sudo user access to certain commands with the sudo privileges. However, my plan to allow them to run apt-get dist-upgrade the system is not safe because they ...
41
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4answers
2k views

Is there ever a good reason to run sudo su?

To launch a root shell on machines where the root account is disabled, you can run one of: sudo -i : run an interactive login shell (reads /root/.bashrc and /root/.profile) sudo -s : run a non-login ...
2
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3answers
169 views

`tail -n 40 /var/log/apache2/error.log` without `sudo`

Many times during the day I need to inspect my Apache log: sudo tail -n 40 /var/log/apache2/error.log I then have to provide my password. It's a clumsy workflow, so instead I am adding ...
2
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1answer
19 views

How can I use different kerberos principals for sudo than for system-auth?

At my organization, we're required to use different kerberos principals when authenticating for sudo than for other types of auth, such as logging in. For instance, my regular (login) principal might ...
5
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1answer
17 views

Running Deamon Involving GPIO on Pi

I have a deamon that monitors various things using the GPIO ports. I have used python to write the code for this using the RPi.GPIO module. I would like to ensure that the deamon is always running, ...
1
vote
1answer
17 views

Does loginuid have any impact on process limits?

On CentOS/RHEL 6, when I start my daemon as root user, I see /proc/<pid>/loginuid of the process as 0 and when I start it through sudo, I see loginuid of the sudo user. Even if I do sudo su - ...
16
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1answer
2k views

What's the difference between sudo su - and sudo su --

When I am working on our RHEL machines, I use sudo su - to switch to being root. One day, a typo meant I typed sudo su -- instead - it seems to me that everything was the same as with a single hyphen, ...
8
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1answer
79 views

Why does sudo need the loopback interface?

We were trying to install our software on an Ubuntu machine. To do so, we needed root privileges. Basically, all we needed to do was run a runnable jar like: sudo java -jar runnableJar.jar. All such ...
8
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5answers
15k views

How to get back sudo on Ubuntu?

I have done this: sudo chown -R myname /usr/ and now I can't use the sudo command because of this error: sudo: must be setuid root And as I read this means that the owner of this file ...
6
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4answers
285 views

Bash, execute command after invoking a new shell

I am trying to make a script like this: #!/bin/bash sudo -s something... When I execute it, I get a new shell but something is executed only when I exit the shell created by sudo -s, not inside it. ...
9
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7answers
7k views

How do I suppress dd output?

I have a bash script that creates some file using dd. The problem is dd throws a great amount of output that is going to mess with the output of my script. Searching around I've found a solution: dd ...
1
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0answers
43 views

Ubuntu 14.04.2 LTS: for NIS users, SSH works but console login and sudo fail

I set up a fresh Ubuntu 14.04 LTS VM on VirtualBox and did an upgrade, so now I'm sitting at 14.04.2. Our office environment is NIS+NFS. I set up autofs and NIS, and confirmed that I can log in as a ...
3
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1answer
52 views

Possible to pipe command using su via ssh

I'm trying to write a python script to remotely update the login passwords for a set of account I administer - I can already successfully use python to pipe remote commands via the stdin of an ssh ...
0
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2answers
52 views

root access on new chromeos lenovo n21 for python dev

We've purchased several new Lenovo N21 chrombooks to run Python workshops for inmates in the local jail. Trying to install Crouton, Debian, and Anaconda to prepare. All require developer mode and ...
0
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0answers
31 views

sudo: setreuid(ROOT_UID, user_uid): Operation not permitted

I get this in my debian wheezy. I do not know what to do. I get it with every sudo command. Su password fails every time. I have seen people suggesting running service ncsd stop and then start it but ...
5
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1answer
216 views

Edited sudoers file with text editor - now can't run sudo

I now know that I should never try to edit the etc/sudoers file with a regular text editor. However, minutes before I learned this, I saved a new user name in the file with Sublime Text. Now when I ...
1
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3answers
5k views

How can I scp a file that my user can't read but I can sudo?

Can I use scp to copy a file from a remote server which my login user can't read, but where I have permission to sudo to root (without password even)? How?
0
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1answer
21 views

Set root password AMI linux

I need set a password for root on EC2 AMI linux. I have tried with passwd root but if I enter with ec2-user and run sudo su, I get a root bash without asking for a password.
-1
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1answer
41 views

Error while installing wget and unzip

I am trying to install wget and unzip on unbuntu machine. But i am facing the below issue. sudo apt-get install wget unzip
2
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1answer
2k views

How do I change file/directory permission of a nfs mounted directory, so I access files as user?

On a Ubuntu computer I mounted a directory from another computer using the following line in the fstab: 12.34.56.78:/space/Images /mnt/space/images nfs rsize=16384,wsize=16384,rw,auto,nolock 0 0 ...
11
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2answers
698 views

How do I make sudo remember my password for longer?

How do I make sudo remember my password for longer so that I don't have to keep typing it? I do not want to sudo su and execute commands as root all the time. I am on Arch Linux and have tried to ...
0
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1answer
918 views

Webmin administrative panel options are missing

When I log into Webmin, with the Ubuntu administrative user frank, I cannot see most of the administrative options: frank is shown as the Administration username in Webmin. I accidentally ...
2
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1answer
73 views

When i run “sudo su” i get --bash: command not found for everything

I'm not good with command lines nor servers. But I needed to configure for work a AMI of EC2 AWS with LINUX So I've installed a lot of stuff, moved a lot of stuff around and then I realized that sudo ...
2
votes
1answer
41 views

Running sudo restricted commands by creating soft link

I have sudo access to one of our test machines and the following are the commands restricted for me: user_sree@sel8585:~> sudo -l user_sree's password: User user_sree may run the following ...
18
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2answers
10k views

What is the proper sudoers syntax to add a user?

According to the comments in /etc/sudoers (Fedora 13): ## Syntax: ## ## user MACHINE=COMMANDS ## ## The COMMANDS section may have other options added to it. My two related questions: What ...
1
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3answers
59 views

Recommended way to install software to /usr/local — use sudo or chown?

I'd like to install software from source (e.g., third-party GitHub repos) to my machine. Generally /usr/local/bin and /usr/local/src are for non-distribution-specific software, right? Taking ...
0
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1answer
31 views

When I execute a .run file as <user> it works fine. If I sudo run it, it cannot detect Java

I am trying to execute a .run file that will install some applications. I'm installing the application in /opt/... When I run it without sudo, the installer runs correctly but cannot write to /opt/. ...
2
votes
4answers
202 views

Sudo complains “is not in the sudoers file”

I try to install Chrome and Skype on Debian. When I'm trying to install from the terminal, or log in as administrator, even when I type the correct password, every time I receive a error. What am I ...
2
votes
1answer
15 views

Allow certain guests to execute certain commands

I would like to create a new user on some of my Debian/Ubuntu hosts that is able to update the server using the commands apt-get update and apt-get dist-upgrade, but I do not wan't to give them full ...
2
votes
3answers
724 views

Allow AD Groups to SUDO

I'm adding some Fedora 20 workstations to our Windows 2003 domain. I've successfully joined the domain with the boxes, and can login with domain accounts. Now I'm trying to allow the default AD group ...
7
votes
3answers
28k views

su options - running command as another user

I was wondering how to run a command as another user from a script. I have the script's owner set as root. I also have the following command being run within the script to run the command as the ...
0
votes
1answer
72 views

How to run multiple sudo commands over already opened ssh connection

I am trying to navigate from one server"USER1" to another using ssh as a user "USER2". ssh -t $hostname "sudo su - USER2; whoami; pwd" Post executing the above, I am able to successfully navigate ...
0
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0answers
30 views

I can launch an app as 'myuser', and as 'root', but not using 'kdesu'. How do I launch wth 'kdesu'?

I'm running SublimeText editor on Opensuse/64. If I exec it as 'me' $ whoami dop $ sublime_text the app opens like normal, using config in /home/dop/.config/sublime-text-3/ If I change to root ...
2
votes
1answer
40 views

How to do sudo edit in MC?

Sometimes, when I use mc I need to edit file with sudo. Is there a way to run mcedit (internal MC editor) or any other editor with sudo directly from MC (by pressing F4)?
0
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0answers
26 views

Use sudo in apache with SELinux

I am using CentOS 6.5. using Apache, I want to use sudo in exec. It works when SELinux stopped. how to configure SELinux to permit it. The php script <?php exec('sudo -u newuser ls /',$output); ...
5
votes
2answers
7k views

“No protocol specified” when running vim with sudo

Recently I start to get "No protocol specified" when using sudo vim. It's just a warning I guess, because everything was working normally (I can open, edit and save files). The message doesn't appear ...
1
vote
1answer
29 views

Run openvpn without root privilegies

I am working with openvpn, when I type: $ sudo openvpn Every is fine, but when I type: $ openvpn bash: openvpn: command not found I try in my Debian 8 with this instructions but in Jessie I can ...
68
votes
4answers
69k views

Why do I need a tty to run sudo if I can sudo without a password?

I have configured sudo to run without a password, but when I try to ssh 'sudo Foo", I still get sudo: sorry, you must have a tty to run sudo. Why does this happen and how can I work around it?
3
votes
2answers
70 views

command substitution: /dev/stdin: Permission denied

Want to read whole stdin into variable. Don't want to spawn new processes. From bash manual: The command substitution $(cat file) can be replaced by the equivalent but faster $(< file). It ...
7
votes
4answers
17k views

How to restrict to run commands in specific directory through SUDOERS?

I can configure sudo (via the sudoers file) to allow a user to run the chown and chmod commands on any file or directory in the system. However, I only want to grant a user permission to run these ...
8
votes
4answers
2k views

How does Bash path completion work with sudo?

Tab path completion does not work (at least on Ubuntu and AFAIK Arch) with sudo mount <whatever> The iso file I am trying to mount is not in /etc/fstab. If I just type mount <whatever> ...
5
votes
3answers
566 views

bash does not autocomplete my command when using sudo?

I'm using SaltStack. I would like to auto-complete the minion name when calling the salt command. The following line has been added into ~/.bashrc: complete -o default -o nospace -W "$(sudo ls -1 ...
3
votes
4answers
36k views

Username is not in the sudoers file. This incident will be reported

I am running Ubuntu 12.04 on my laptop using VMware Player. I am not sure why but I have an account called "User Account" in addition to my account that I usually login to use Ubuntu. Well that was ...
0
votes
1answer
23 views

Install script - sudo authorisation compatibility?

I am currently updating a few scripts, and am planning on releasing some useful ones so others can use them (so they need to work across a wide range of machines without crashing, and without breaking ...
0
votes
1answer
17 views

How to configure a user in sudoers such that the user can install app and can't access a specified directory

I want to add a user to sudoers, such that the user can do anything in root permission but: The user can't use mount command; The user can't access(read or write) to directory /home/protecteddir; ...
0
votes
2answers
24 views

Understanding Privileges in Sudoers File

I'm trying to make sense of the sudo documentation on the Debian Wiki. On it, it uses the two examples below. However I don't understand the difference between them. Why has the group sudo got ...
0
votes
2answers
47 views

Script works without sudo, fails with sudo

When I launch this script: #!/bin/bash -v sshpass -p '<pypasswd>' scp blah.img root@myip:/home/user/blah.img exit 0 with ./script.sh or nohup ./script.sh & it works. But when I do ...
45
votes
8answers
70k views

How to run a specific program as root without a password prompt?

I need to run something as sudo without a password, so I used visudo and added this to my sudoers file: MYUSERNAME ALL = NOPASSWD: /path/to/my/program Then I tried it out: $ sudo ...