Questions tagged [root]
For questions pertaining to `root` access.
92
questions
1
vote
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views
Using init.d to Start Script Driving Hardware PWM
I'm using init.d to start a Python script on boot. The script employs hardware PWM.
When I run the Python manually as the pi user, it works fine.
When I start the script manually, calling the daemon ...
- 698
0
votes
0
answers
153
views
Cannot run PulseAudio as root (sudo)
I have developed a console application in .net 6 which uses a library that needs direct access to the gpio-pins of the Pi.
The Pi is running the latest Pi OS Lite x64.
Edit: This is the library ...
- 1
0
votes
1
answer
54
views
Attempted to ssh as root after running into Denied error, but couldn't login
I'm running a Plex server on my RPi3 with Raspberry OS Lite.
I've started running into an error when uploading files that I cannot set permissions/timestamp, error 3 Denied.
I've tried a few things, ...
- 1
0
votes
3
answers
262
views
how do i login as root , its not working for me
So far, I have only logged in as myself and have used sudo for various things when needed
Now I want to use the desktop text editor tool to modify some files in /var (for home assistant by the way)
...
- 61
1
vote
0
answers
33
views
Why root user has different library version than simple user? [closed]
I was trying to build one project with cmake but turned out that root doesn't have it (admin user had it).
After installing it on root they have now different versions. I thought that root has only ...
- 11
0
votes
1
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709
views
Fix "sudo: /usr/bin/sudo must be owned by uid 0 and have the setuid bit set"
on an r-pi 4b running raspbian buster...
I accidentally set the owner of /usr/bin to pi ...
Now I don't have sudo (as per title). I also don't have a root password for su. nor can I start in ...
- 9
1
vote
1
answer
72
views
How to give Ownership to Pi from root to Mount_Folder
Here is my workflow and the issues I want to fix.
First I mount the windows shared folder on Raspberry Pi. But in order to use that, I have to mount using sudo.
sudo mount.cifs //<hostname or IP ...
- 49
0
votes
1
answer
987
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mount: /media/mountName: operation permitted for root only
I tried to mount window shared folder on raspberry pi but it is not successful yet. Every time I run the command to mount, it just keeps showing mount error:Host is down.
Here is what I have tried to ...
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-1
votes
1
answer
91
views
Surely I can run sox with alsa without pulseaudio
Why would I want to do that? because pulseaudio isn't needed (presumably) and pulseaudio does not want to run as root. In theory I should be able to run pulseaudio --system to fix the problem, but I ...
- 117
0
votes
0
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169
views
Can't boot to root shell
I added init=/bin/sh to my cmdline.txt in an attempt to troubleshoot this problem, but upon booting I land at the normal credentials prompt.
I'm using a MicroSD adapter to edit the file with a Windows ...
- 145
2
votes
2
answers
136
views
Sudo still works despite removing my user from group
I just installed the April 4th 2022 edition of Rasberry Pi OS and added a root password in addition to my user password. I also did..
deluser <userme> sudo
I tested my new security adjustment ...
- 177
1
vote
1
answer
508
views
Start Python Pygame automatically (with sudo rights) after booting instead of displaying a prompt
I'm trying to solve this problem.
I would like to boot a raspbery directly into pygame without
starting the GUI.
I have a raspberry pi generation 2 with the current "2021-01-11-raspios-buster-...
- 231
-1
votes
1
answer
305
views
Why usb with root filesystem is not mounting on boot bootcode.bin not working
Hi I am making this thread because someone pointed that my previous was not specific enough.
I am trying to move my root filesystem to external usb on my raspberry zero v1.3. I have additional ...
0
votes
0
answers
219
views
Raspberry pi Zero or 1B+ USB boot not working
I have been trying to move root file system to external disk for a few weeks and I came across one problem. My disk was not mounting. No matter what would I do, my screen always hanged on "...
1
vote
1
answer
465
views
WS281x library cannot access /dev/mem without root
I get this error from the rpi_ws281x library when trying to run as user pi (this is a java wrapper around the library):
16:43:59.060 [main] INFO com.github.mbelling.ws281x.Ws281xLedStrip - LEDs count:...
- 502
0
votes
0
answers
29
views
xtightvnxc on pi4 running as root buster xtightvncviewer has no menu bar - can't admin headless pi4 (pi3,2,1 OK) with gui tools
When xtightvncserver is run as root on Pi4 running buster, vncviewer run from another host (ubuntu 20.04, in this case) there is no menu bar.
When I run xtightvncserver as root on a pi3 (2 or 1) ...
1
vote
2
answers
407
views
User getting removed from group after reboot
I am running Ubuntu Server 20.04.02 LTS in my RPi 4b. I ran into the problem that I couldn't access the GPIO without sudo/root with my python scripts so I changed the /dev/gpiomem group ownership to ...
0
votes
0
answers
886
views
Can Thonny run scripts as root?
I'm trying to use the Import keyboard library within Thonny on my Raspberrypi Zero W. However I receive an error saying "import error: you must be root to use this library on Linux."
Can ...
- 101
1
vote
2
answers
379
views
Disable Single User Mode
If I forget my password to my Raspberry Pi, I can gain access again by using single user mode (here is an alternative link). The upside is that if I don't know my password, I can gain access. The ...
0
votes
3
answers
1k
views
How to enable HDMI on Rasberry Pi 4
This topic may be misleading. Let me clarify. I need to enable HDMI on my new raspberry Pi 4 (I am a new user to pi). This is accomplished by changing one line in /boot/config.txt. This is posted in ...
- 21
0
votes
1
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295
views
getting an error when I autostart my py script which contain PyQt Gui
I'm trying to automatically start a py script which has pyqt5 Gui when I boot my Raspberrypi. I did sudo nano /etc/rc.local and made a log.text to know what's happening and I received:
qt.qpa.screen: ...
- 19
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2
answers
8k
views
Reset root password Pi4 Raspbian
A newbie error I made when changing /etc/X11/Xsession.d/99qt5ct stopped my Pi 4 booting without a password. Which of course I have forgotten/lost!
From what I could find searching, most of the info on ...
- 21
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votes
1
answer
168
views
SD Card Resize on 32gb SD Card Raspberry Pi
I have a 32gb SD card in my Raspberry Pi. I'd like to make use of all the space, please can someone tell me how to resize?
Disk /dev/mmcblk0: 29.7 GiB, 31914983424 bytes, 62333952 sectors
Units: ...
- 1
0
votes
1
answer
206
views
Raspbian: chromium crashes when logged in as root
I have got a clean install of Raspbian on an RPi 4B.
If I log in as root (not as the standard pi user) and try to open the Chromium web browser, by clicking its icon on the Task Bar, Chromium simply ...
- 103
0
votes
0
answers
5k
views
Fix Error Running as root without -- no-sandbox is not supported
I wanna run an easy script via the terminal which opens my webbrowser and brings it in something like a kiosk-mode by pressing 'F11'. For this I installed the module keyboard for python 2 and 3 and ...
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0
answers
54
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 ...
- 121
1
vote
1
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109
views
Fresh new slackware arm install, unable to log into my raspberry pie 3
I have been trying to install slackware arm (slackware arm current 4.19.81-7+) on my Raspberry pi 3. After i have installed it successfully (following this guide), i was unable to login due to the ...
0
votes
1
answer
4k
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Why does /dev/mmcblk0p2 work when PARTUUID doesn't?
Goal
Hi my PI keeps rebooting after I added two lines to the rc.local file. Now i am trying to log into the boot shell and edit those two lines out.
Problem
I added init=/bin/bash to the cmdline....
- 37
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votes
0
answers
2k
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: ...
- 11
1
vote
1
answer
482
views
Scanning WiFi Signals as regular user
As per this: https://linux.die.net/man/8/iwlist I understand that scanning of WiFi Networks requires root access. If you are a regular user than you can only see the Wifi Network you are connected ...
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-1
votes
1
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509
views
Kernel panic-not syncing: VFS: unable to mount root fs on unknown-block(179,2) [duplicate]
What i can do? I know I can use keyboard to run “check and repair” but in this moment raspberry not see usb keyboard and I don’t have card reader near me.
0
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1
answer
1k
views
Permission denied error when using apt and apt-get as root on raspbian
I keep getting an error when I use apt or apt-get as a root user or using sudo with the default pi account.
Ign:1 http://raspbian.raspberrypi.org/raspbian stretch InRelease
Ign:2 http://archive....
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-1
votes
1
answer
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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 ...
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4
votes
1
answer
3k
views
Boot from USB Connected SSD
It seems that existing guides of how to boot from USB are out of date, and the one here (https://learn.adafruit.com/external-drive-as-raspberry-pi-root/hooking-up-the-drive-and-copying-slash) didn't ...
- 729
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1
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190
views
Edit root files from CD Card, Ubuntu
So, I heard that it's possible to edit root files on Linux but if I trying to save the file I get this message:
They do not have the necessary authorisations to store the file. Please, check ...
0
votes
1
answer
124
views
Stop Linux terminal running as root
I was trying to set my GUI working on autorun boot through several methods (system, LXDE etc) but I think I screwed it up as none of them worked really. I must have mixed some commands up.
Right now,...
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1
answer
2k
views
Can't disable root ssh login
I use SSH to communicate with my Raspberry Pi (server) from my laptop (Putty client).
I would like to disable root SSH login.
I change the value of "PermitRootLogin" to no in the /etc/ssh/sshd_config.
...
- 1
1
vote
1
answer
2k
views
How to exit read only filesystem to get write permission in order to download a driver form Github?
I am trying to set up a 5 inch LCD on my Raspberry Pi 3. It runs Kali Linux, I'm on a no GUI boot and (automatically) logged in as root.
When I run the command (to download the drivers):
git clone ...
- 31
0
votes
1
answer
2k
views
Copying files to usr/local in Raspbian
I have been trying to install Opencv following the instructions given in this link [https://github.com/manashmndl/FabLabRpiWorkshop2017/wiki/Painless-OpenCV-in-Raspbian-Stretch]
I need to copy files ...
- 297
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vote
1
answer
2k
views
Wiring Pi - Root not required?
I developed some code using wiringpi on a 4.4.21 machine (Jessie) - it worked fine and as expected, required root privilege to run (i.e. requires sudo) - it uses wiringPiSetup().
I moved the code ...
- 19
2
votes
1
answer
204
views
Why can you only have one root user terminal process running at a time? [closed]
This question was asked out of mostly curiosity.
I've just flashed a new SD card with Rasbian Stretch Lite and when I did, little did I know that Stretch Lite is very similar to Arch Linux Arm. And ...
- 265
0
votes
2
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728
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 ...
- 111
1
vote
2
answers
263
views
yocto - edit file in rootimage with no permission
I am working with the yocto project and a Raspberry Pi 0 with wifi. I want to integrate the wpa_supplicant.conf file and copy it to the /etc/ folder.
My recipe fails with reason stating that I don't ...
- 11
1
vote
1
answer
545
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 ...
- 21
4
votes
1
answer
11k
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)?
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1
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21k
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Strange problem on startup - cannot open access to console
Rpi 3 Model B, 16gb SD, all configured well and working fine until yesterday sometime, when rebooting, I now have to press "enter" to continue due to:
"Cannot open access to console, the root account ...
user74656
0
votes
1
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4k
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:...
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votes
1
answer
4k
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, ...
- 31
3
votes
1
answer
104
views
How can I get a user-level command to run on or after boot?
I have a Raspberry Pi 2 running behind a firewall that prevents inbound SSH connections, so I get the Raspberry Pi to create a reverse SSH tunnel to an external server so that I can get an SSH ...
- 150
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votes
4
answers
980
views
How to resolve "RuntimeError: Unable to export GPIO. Try to run as root!"?
I have interfaced a push button switch and LEDs to GPIO.
Whenever I try to execute the script from command line, the code python /home/myPi/myProject/run.py gives me the error
RuntimeError: ...
