Questions tagged [sudo]
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.
100
questions
1
vote
2answers
121 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
43 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
57 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
285 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
127 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
227 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
137 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
159 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
377 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
89 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
972 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
47 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
49 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
636 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
212 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
46 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
776 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
80 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
50 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
122 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
452 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
313 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
953 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
99 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
897 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
664 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
59 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
630 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 ...
0
votes
1answer
233 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
637 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
825 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
14k 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
219 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
822 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
69 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
844 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
16k 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
173 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
282 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
220 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. ...
6
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, ...
0
votes
2answers
1k views
Can't get “sudo apt-get update” to work! [NOOB]
Noob here...
When I run "sudo apt-get update" i get:
0% [Connecting to archive.raspbian.org (5.153.255.206) ] [Connecting to archive.raspberrypi.org (93.93.128.133)]
Err http://mirrordirector....
