Raspberry Pi

Questions tagged [sudo]

Ask Question

sudo stands for Super User Do. It allows users to run programs with the security privileges of another user (if configured access permissions allow it), by default the superuser and is therefore prefixed before commands when full access to the operating system is required.

101 questions
Newest
Active
Bountied
Unanswered
Filter by
Sorted by
Tagged with
1
vote
0answers
33 views

Server 19.10 on Raspberry Pi 4 defaults to root?

I've successfully installed Server 19.10, then got a desktop (Lubuntu) going on a single Raspberry Pi 4 (4gb). I went with the 32-bit version, having heard the 64-bit is not very stable. (Please ...
1
vote
2answers
144 views

python start on boot

i am trying to get my WS2812 NeoPixel python sketch to run at boot, i used a tutorial https://tutorials-raspberrypi.com/connect-control-raspberry-pi-ws2812-rgb-led-strips/ it install the correct files ...
1
vote
2answers
49 views

Installing Python 3.6: question about needing sudo command for configure command

I have a Raspberry pi 3 Model B and I want to install Python 3.6 on it. A bit of context: I acquired this Raspberry pi over 2 years ago and it came with Python 2.7 and 3.4 installed by default in /...
0
votes
0answers
69 views

PWM without root access (Navio2)

We use the Navio2 sensor hat from Emlid. These boards are used for a class where students develop flight software (not using Ardupilot or PX4). We roll our own framework which provides some basic ...
0
votes
0answers
399 views

Running NextCloud on HTTPS/SSL with LetsEncrypt

I have successfully installed Nextcloud on a Pi3 using snap sudo snap install nextcloud. Confirmation follows promptly: nextcloud 15.0.10snap3 from Nextcloud✓ installed . Now this tutorial: ...
2
votes
2answers
167 views

No sound as root and even with sudo su pi

It works if I try to play a sound/mp3 with mpg321 as a pi user: mpg321 Yeah-sound.mp3 but sudo -u pi mpg321 Yeah-sound.mp3 does nothing and sudo mpg321 Yeah-sound.mp3 leads to error Can't ...
0
votes
1answer
269 views

sudo with WS2812 and Raspberry Pi

I'm trying to use the Neopixel Adafruit library with the WS2812 strip. Everything works great however there is something that I have not been able to do. I'm working on a project that requires ...
1
vote
2answers
157 views

Adduser command missing

I use rkhunter on all of my RPis, since some are used as dedicated servers, to try and ensure no rootkits or other malware are installed on them. When I did the check as usual today, I got the ...
1
vote
1answer
192 views

Segmentation fault when sudo su or other sudo commands

I wanted to update my SSL certs on my Pi 3B+ which is running NextcloudPi. I did not touch the Raspbian System on it for at least 2 months. I am the only one who is able to login. I connect via SSH ...
2
votes
1answer
428 views

Neither sudo apt-get upgrade nor sudo apt-get install vim working

I just started Raspberry pi and was ordered to get vim installed. However whenever I run sudo apt-get install vim I get the following errors: Err:1 http://raspbian.raspberrypi.org/raspbian ...
1
vote
0answers
96 views

How to run a graphical program from a restricted user

I have two users. admin can see everything. pi is restricted. I have a tkinter python application. pi must be able to run the program, but it cannot read any of the files directly. There is a data....
2
votes
2answers
1k views

Error in apt-get update

Whenever I run "sudo apt-get update" I get pi@raspberrypi:~ $ sudo apt-get update Hit:1 http://archive.raspberrypi.org/debian stretch InRelease Hit:2 http://raspbian.raspberrypi.org/raspbian stretch ...
0
votes
2answers
49 views

I can not have the Permission ''sudo" to execute command lines on putty!

I have a problem for permission using "sudo" on putty (connected to raspberry pi3). My usrname is: karim My password: 0000 Each time, I have got this error when executing a command line " karim is ...
0
votes
2answers
53 views

uninstall a recently installed app

I installed lnd (lighgning network daemon) using the below command. sudo install -m 0755 -o root -g root -t /usr/local/bin lnd-linux-armv7-v0.5.1-beta/* What's the cleanest way to remove/rollback ...
2
votes
1answer
715 views

Start Service with Sudo

I am trying to run an Express API server with sudo permissions and have it automatically start on boot. The API needs access to bcm2835 library, and I get the following when trying to run node server....
0
votes
1answer
228 views

sudo startx broke my account

I wanted a font so I placed the .ttf in /usr/local/shared/fonts To do this I had to do sudo startx to give me super user. Now I wanted to check it worked so I rebooted and it asked me to login even ...
0
votes
1answer
48 views

RPi Unistalling All Upgraded Packages

After following this article, https://askubuntu.com/questions/101802/packages-having-unmet-dependencies-broken-packages, to fix an issue on my RPi when compiling QEMU, I ran sudo apt-get remove glib2* ...
1
vote
2answers
4k views

Accessing EXPORTED Environment Variables in Python

An often asked question, I know, but after searching through other solutions I'm still having problems. Most solutions say to make sure your variables are exported before trying to access them, but ...
2
votes
3answers
925 views

Run rpi_ws281x without sudo

I compiled the rpi_ws281x Library and the neopixel python wrapper following the instructions on https://learn.adafruit.com/neopixels-on-raspberry-pi/software Link broken try https://github.com/...
1
vote
1answer
81 views

How do I make sudo!! add a space after sudo?

When I type sudo!! it never puts a space between sudo and anything. How do I make sudo!! add a space? Example: nano text.txt sudo!! sudonano text.txt Maybe I am using it wrong but it never works ...
0
votes
1answer
68 views

How can I give write permission to “/mnt/pidrive1” path?

I have connected an USB drive with my Raspberry Pi following this tutorial. Everything worked fine but I'm not able to rename, delete or move/copy any files to a folder using SFTP. I'm only able to ...
0
votes
0answers
129 views

Problems with Raspberry Pi Configuration

i'm pretty new with Raspberry Pi. I tried to sudo raspi-config, but it tells me The boot partition is not mounted - cannot configure. Note that raspi-config is intended for use on Raspbian only ...
0
votes
1answer
472 views

Raspberry Pi Model 2B Hostapd installation error: Unable to locate package

So, I am trying to set up my raspberry pi model 2B as a wifi hotspot. All the articles recommended installing and using hostapd and dnsmasq. I was able to install the dnsmasq package without any ...
0
votes
2answers
326 views

Allowing uwsgi to make GPIO calls

I've got a Raspberry Pi Zero W acting as a Flask python server that listens for webhooks, then runs a function to turn on a motor until the GPIO pins read a certain combination of inputs. I used to ...
0
votes
1answer
1k views

Repairing Sudoers.so file permissions

I was messing around with permissions on my pi today and I managed to accidentally change the permissions on /usr/lib/sudo/sudoers.so to anyone can view anyone can write and nobody can execute. After ...
0
votes
0answers
106 views

Unable to start BlueJ as sudo

I am new to raspberry pi devices. I am using the minimal image of the raspbian image and access my raspberry pi zero w using MobaXterm client. The issue is, when I run BlueJ directly through terminal, ...
0
votes
1answer
970 views

Sudo unable to resolve host name (none)

Any command I put into the LXTerminal of my raspberry pi, it says Sudo unable to resolve host (none) I can’t download anything, even Sudo apt-get update How do I fix this"?
0
votes
1answer
701 views

Sorry, user root is not allowed to execute '/usr/bin/python3 [closed]

I've created a startup script in bash that calls a Python script. However when I run "sudo sh StartUpScript.sh" from the command prompt it says: "Sorry, user root is not allowed to execute '/usr/...
0
votes
1answer
60 views

Joes has replaced visudo

The title says it all... but now I want the previous Raspbian versions' default behaviour i.e., visudo to be the editor for all users when editing the /etc/sudoers file. I'm using Raspbian "Stretch".
0
votes
1answer
667 views

Can't execute sudo apt-get update / upgrade

When i try to execute sudo apt-get update i receive the error: W: The repository 'http://linux.teamviewer.com/deb preview Release' is not signed. N: Data from such a repository can't be authenticated ...
1
vote
1answer
255 views

How to add user to GUI sudo list?

When I run GUI programs like gparted or the GUI package manager, it allows me to enter the password for root or pi when it requires sudo privileges. How can I add a user to this list? I added a user ...
4
votes
1answer
4k views

How can I connect to the SFTP server with sudo via WinSCP?

I want to use WinSCP to connect to the Raspberry Pi standard SFTP server. I also need to have root access. How can I do this without logging in as root (using sudo)?
0
votes
1answer
2k views

How do I grant sudo privileges to an existing user?

I am using vnc viewer on Windows 10. user: pi I am lost, please help. What I Have Tried: *sudo chmod 777 ** also .. sudo nano /etc/sudoers adding the following line just like "root ALL=(ALL:...
1
vote
1answer
669 views

Run shell script from PATH using root

I have added a shell script to my ~/bin folder. When I type the script name normally in the terminal it finds the script just fine. However, when trying to launch the script using the sudo prefix, I ...
1
vote
1answer
1k views

Raspberry Pi 3 with Ubuntu 16.04.3 LTS sudo apt-get update exits with dpkg error code (1)

I'm running a Raspberry Pi 3 with Ubuntu 16.04.3 LTS xenial. sudo apt-get update exits with: dpkg: error processing archive /var/cache/apt/archives/linux-firmware_1.157.11_all.deb (--unpack): trying ...
2
votes
0answers
853 views

run startx not as root

Scenario: So I want to run startx. The problem is, it won't let me write to tty0 Fatal server error: (EE) parse_vt_settings: Cannot open /dev/tty0 (Permission denied) so I tried to run sudo startx, ...
0
votes
1answer
2k views

cannot execute any command using sudo

I cannot execute any command using sudo. I get this error: pi@raspberrypi:~ $ sudo apt-get update sudo: /etc/sudoers is world writable sudo: no valid sudoers sources found, quitting sudo: unable to ...
2
votes
2answers
15k views

sudo error - “Structure needs cleaning”

On my Pi Zero, if I issue a sudo su I get the following: $ sudo su sudo: error in /etc/sudo.conf, line 0 while loading plugin `sudoers_policy' sudo: /usr/lib/sudo/sudoers.so: Structure needs cleaning ...
0
votes
1answer
223 views

pi not belonging to sudo and adm will sudo anyway

I don't want pi to be able to use sudo on a recently installed Raspbian on PI 3. I made the following unsuccessful attempts: removed pi from sudo group (and made sure it indeed does not belong to it)...
0
votes
1answer
844 views

Make Error (trying to install openOCD)

I am having issues installing openOCD. I followed this tutorial and everything works perfectly until I try to make the file. I am getting these warnings and errors: Makefile:4314: warning: overriding ...
0
votes
1answer
1k views

script works in command line but doesn't in shell

I am using scapy to send a packet. which works fine in command line under the code. send(IP(dst="www.google.com")/ICMP()) But when I try to send it inside shell it throws an error. The code I am ...
-1
votes
2answers
1k views

sudo command is asking user's password [closed]

I changed the default username using usermod. and now whenever I type a sudo command it requires a password. I do it only when it is the first time I type sudo. further it does not require any ...
4
votes
1answer
9k views

Pi3 “unable to resolve host” message

I have a message saying:"sudo: unable to resolve host (myhostname)" each time i write a command. My hostname do not contain any capital letter or number. thank you
1
vote
1answer
70 views

Contradictory advice in visudo comments; is one way right?

This question arises on a Pi running RasPBX, which is Rasbian + Asterisk, but I think it will be the same under straight Raspbian. I run certain admin functions remotely against the PI from a Windows ...
0
votes
1answer
867 views

Adding new user to sudoers file breaks sudo completely / how to add a new user with the same privileges as pi

I switched from the arch Linux image to the latest Debian Jessie lite 2017-01-11 image and added a new user as root. # adduser sampletext Then I added on the sudoers-file a new line with: sampletext ...
2
votes
2answers
17k views

Sudo has stopped working : sudo: error in /etc/sudo.conf, line 0 while loading plugin `sudoers_policy'

I have a weird issue with my Raspberry pi - sudo has stopped working. Every time I try to run a command using sudo, i get this: sudo: error in /etc/sudo.conf, line 0 while loading plugin `...
1
vote
1answer
186 views

Removing sudo from Pi default user

I have strange bahaviour from my Pi. My /etc/sudoers looks like: # # This file MUST be edited with the 'visudo' command as root. # # Please consider adding local content in /etc/sudoers.d/ instead ...
-1
votes
1answer
288 views

Unable to use Sudo and Could not resolve 'mirrordirector.raspbian.org'

I could not use sudo function in my rasbian and when i try to update or upgrade using my terminal i am incurring following error pi@raspberrypi:~ $ sudo sudo: /usr/bin/sudo must be owned by uid 0 ...
-1
votes
1answer
234 views

List of common alias commands [closed]

I had/have Raspbian and used the LXDE desktop environment. Many posts will commands to enter in and not use the GUI. I took a quickie online video crash course on using linux and being an admin. ...
7
votes
4answers
15k views

Disable sudo for user Pi (or require root password)

I'm pulling my hair out over this thing. Using Raspberian here. So I'm trying to restrict the Pi user from being able to use sudo without the root password. After heavy searching, I gave up on that, ...

1 2 3