Questions tagged [ssh]

SSH (secure shell) is a network protocol to provide encrypted communication using a client-server architecture. Question include the configuration of the sshd server on the Pi.

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How to setup sftp only restricted rsync

I want to send 8GB of video and sound files to a colleague for video editing. I tried using something simple online (https://takeafile.com/) but the transfer failed half way through. This seems like ...
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“Could not resolve hostname” on Pi for local services

My Pi cannot resolve hostnames of other services in the same local network. Resolution of external services works fine. $ nslookup example.com Server: 127.0.0.1 Address: 127.0.0.1#53 Non-...
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How to SSH into headless RPi without physical access

I recently started a robotics research project at my university with some fellow students, and I'm the programmer for it. We plan to use a Raspberry Pi 4 Model B as the "brains" of the robot. With the ...
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How do you change the SSH port number? [closed]

We just got a new router (Vodafone THG3000g) and it doesn't allow port forwarding for port 22. This means I can SSH in locally but can't do it remotely using the public ip. I should be able to do ...
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Raspbian Password Change Not Working

I'm using Raspbian Buster and I'm using my Raspberry Pi headlessly. After I log in to SSH when I use a new OS image, I always change the password from the default one. I use sudo passwd to change the ...
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Raspberry Pi Zero W Finding IP headless?

I recently bought a Raspberry Pi Zero W to make a USB computer. I've flashed an image and it appears to have booted correctly (as seen by the solid green light). I have a MicroUSB to USB cable ...
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Problems with init=bin/sh working

I followed the below instructions. Putting the init at the end of the sole line in cmdline. boot=UUID=2311-4211 disk=UUID=69a6af94-e21a-450d-bf5e-fcc08d992566 init=/bin/sh I return sd card to pi and ...
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3answers
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Raspberry Pi 0W V1.3 Doesn't Connect to WiFi

I've been trying to set up my Raspberry Pi 0W V1.3 headless. I only have the possibility of connecting a monitor, but no keyboard/mouse. I downloaded a fresh version of Raspbian Buster lite (Release: ...
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2answers
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Raspbian Stretch unable to start SSH on boot: Problem starting ssh on boot exit 255 when executing ssh -D $SSHD_OPTS?

When I boot my Raspberry pi running Stretch 9, the syntax checks out alright, but when it goes to start the following error is what it gets: pi@hostname:~ $ sudo systemctl status ssh.service * ssh....
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Ubuntu core ask for password when using ssh keys

Can someone tell my what is wrong when I try to login into my raspberry with SSH: Debug info: I have followed this guide ubuntu guide for ubuntu core and for ubuntu ssh keys. Can see on google that ...
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Initial setup of RPi 4model b headless

I bought a new Raspberrypi 4 model b, but I didn't have a monitor or keyboard so I decided to set it up headlessly. I installed raspbain buster(not lite) on a 32GB sd card and created a wpa_supplicant....
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Raspberry Pi Jsch Diconnect Handler

I am using Android Studio "Jsch" package to connect my Android Device to my Raspberry Pi via SSH. The Event "on press" sends a command,which executes a Python file on my Raspberry Pi. This File turns ...
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Raspberry PI 3B+ SSH troubleshooting

I am trying to SSH into a RPI 3B+ using a mac. I have etched the Raspbian Buster(Feb 2020)full image onto a micro SD card and also have added the "ssh" and "wpa_supplicant.conf" files into the "boot" ...
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Move a new image onto RPI SD card

I have a Raspberry Pi with an SD card connected to it. The SD card holds the entire OS on it, which is a problem since I want to place a new image on the SD card to install a new OS on it. The way I ...
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How to SSH Into Raspberry Pi and Set It Up Headlessly on Kali Linux

I've been using Raspbian for a while now. I came across Kali Linux and I want to use it. I know how to install it, but I don't want to use a HDMI monitor with a keyboard and mouse. Is there a way to ...
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How to configure Raspberry Pi 3 as a Jump Server?

Using a Linux/Windows PC, I want to download a file from a Windows server. However, I want to use a Raspberry Pi in between to act as a Jump Server. Linux/Windows (client)------> Pi (jump server)-----...
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opencv installation

`I tried installing opencv on my raspi 3B using pip, on trying to import cv2 i am getting an error Edit: code lines: Successfully installed opencv-python-4.1.1.26 `(cv) pi@raspberrypi:~ $ workon cv ...
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how to transfer file to Windows 10 PC using SFTP command?

I'm trying the following command from the Pi to the PC (169.254.112.124): sftp pi@169.254.112.124:/C:/Users/Desktop/testtest.xml But I get this error: ssh: connect to host 169.254.112.124 port 22:...
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Setting up SSH when using different wifi networks?

Bit of a raspberry pi newb here so bear with me! Im using a raspberry pi model 3 for a university project, which means that I hop around different locations and have to get on different wifi networks. ...
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2answers
75 views

Raspberry Pi in client home and security

For a project, I got to put Raspberries in client's homes, by a lot of clients. I also have to be able to ssh to them, so I can update them. My solution for the ssh is to set up a VPN from a server ...
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Raspbian stretch locking up?

I have been running into an issue for the better part of a year where after a couple of weeks, my RPi3B+ will lock up. Using it for Nextcloud, Apache2, php7.2, etc... Locking up means apache starts ...
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Issues connecting Raspberry Pi 1B+ with RISC OS to laptop

I've been trying to connect my Raspberry Pi 1B+ to my laptop as it is usually done (HDMI, Ethernet cable and USB with power adaptor) and I can't find it on my computer (laptop with Ubuntu 19.04). I ...
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5answers
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How do I SSH into my Pi at home from a remote location? [duplicate]

I can't seem to find a straight answer anywhere. So I'm just going to ask SO instead. For arguments sake, lets assume these are my details public IP ~ 11.111.11.11 Pi's private IP ~ 192.168.0....
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Using Hamachi messes up with the Pi's networking

I have a Raspberry Pi 3B+ running Raspbian Stretch with no problems since over a year. I recently tried install Hamachi from the official LogMeIn website, and connected it to my LogMeIn Hamachi ...
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“Read-only file system” after flashing it on MacOS

I formatted my SD card using SD Card Formatter.app. I flashed it with the Raspian buster lite using balenaEtcher. When I cd into my SD card to create ssh file to enable SSH, it says touch: ssh: Read-...
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RPi 4 intermittently connecting to SSH and VCN?

I am using Raspian Buster on RPi4 and have enabled VNC on RPi. I am using windows 10 and connecting to PC and RPi using mobile hotspot on my Samsung Android. The problem I am facing is the VNC and ...
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Object detection on Raspberry Pi 4B causes it to crash and reboot

I am trying to do object detection with openCV on images already saved on my raspberry pi's file system, but the system reboots when I run the following python script: import cv2 as cv import ...
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3answers
119 views

Raspberry Pi Security Issues: SSH ATTACK? Case Study

This might be a long post so please bear with me. This is a scenario that took place a year back when I had very almost no knowledge of raspberry pi. Right now I am trying to learn some stuff about ...
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Using Pi to bridge two networks through SSH tunnel

TLDR: How to route SQL traffic through a reverse VPN tunnel on a Win10 client to an outside network. I'm hoping I can get some clear advice / tips on this desired setup. I'm looking to access an MS ...
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What's the field before ssh-rsa in known_hosts on Raspbian GNU/Linux 9 (stretch)

ssh-gen by default creates a public key like ssh-rsa AAAAB3NzaC1yc2E...6OEBTVwLRP1Ocyr user@DESKTOP-8BL3U5O The Raspbian 9 has a different format |1|dMpV8+ILjAAD11mhp57Q7hVk/4A=|...
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Very strange SSH problem with iPhone hotspot

I am newbie with Raspberry and this is my first time using it. I downloaded Rasbian Buster Lite and flashed it with Etcher. Added ssh named file to boot directory and also file named wpa_supplicant....
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1answer
26 views

Reverse SSH with 3G modem [closed]

I just tried to do the reverse SSH. In local everything is OK, but when I connect my distant Pi to a 3G modem, it seems like I can't be connected to it anymore. Tunnel creation code: sudo ssh -i /...
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Unable to SSH into RPi using Public/Private keys “Server refused our key”

I am using Windows 10 and Raspbian Buster on a Raspberry Pi 3B+, and am unable to use keys to login to the Pi. I get the error "Server refused our key" every time. I have created public and private ...
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How to fix ssh connection that's been broken by dhcpcd service

I'm accessing my Pi Zero W over ssh and I recently wanted to assign it an own network (I want it to host a webserver in it's own private network). I tried following this tutorial (unfortunately it's ...
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1answer
64 views

Connecting Multiple Raspberry Pi to One Laptop

I'm trying to use my laptop to instruct multiple raspberry pi's to take a picture simultaneously. I have a DHCP LAN network which connects to my laptop and raspberry pi through ethernet cables. I've ...
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1answer
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Connecting and displaying Raspberry Pi on Ubuntu based machine over ethernet cable

Hello dear Raspberry community. I was wondering if I could display Raspberry Pi 3 Model B on my Ubuntu laptop over an Ethernet cable? However, I can not do it with an ssh method, the reason being I ...
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1answer
138 views

Control Pi Zero using Ethernet over USB using Raspberry Pi (3 or 4)

I have been working on a project that uses Pi Zeros as remote cameras. Recently, I have an application that requires them to be hardwired, so I have been experimenting with the Ethernet over USB ...
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1answer
98 views

RPi 3B+ stops responding to SSH and crashes

I've got a Raspberry Pi 3B+ running Raspbian Stretch that I've been using successfully for months to run my Home Assistant instance. I've been connecting to it using SSH and it's always worked fine. A ...
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1answer
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Raspberry PI random connection interruptions

i am running a raspberry pi B+ headless and losing network connection irregulary. I am living with that since a few years, but now want to fix the problem. What would be a good approach to find out ...
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1answer
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Not accepting any new connections. Raspberry pi zero W

I am new to Stackexchange. I have been working on monitoring service(python based) on RPi Zero W and edited the /etc/rc.local file to execute the program during the startup. The program works ...
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2answers
96 views

WiFi network disappeared?

I set up my RasPi 4 as a WiFi Access Point according to this guide, and it worked - I could see the SSID in the list of networks, and join the WiFi network, and connect using ssh, but only for a brief,...
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5answers
313 views

Router can't find my Pi

I have a brand new raspberry pi 4, with official power supply. Brand new SD card, just installed the latest Raspbian on it using UNetBootIn on my main linux (Mint 19) machine. As the display ...
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1answer
75 views

assigning static ip on intial boot to raspbian

I know we can have raspbian connect to local wifi if we copy wpa_supplicant file to location were boot.txt is in sd card, and even enable ssh by copying ssh file to the same location, but how can we ...
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1answer
43 views

3B+ Not Booting

I've had my Raspberry Pi 3B+ for a while now (a couple of months, maybe) and it has always booted just fine, up until this week. I was using the RPi to host my Discord Bot, but now it doesn't seem to ...
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1answer
62 views

Rasberry Pi SSH Freezing over ethernet

I have a number of Raspberry Pi Model 3 B+'s and they all have the same problem with SSH, when i connect it will randomly freeze. Sometimes this happens after a few seconds but occasionally i'll get a ...
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2answers
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How an I improve sshd latency over WiFi?

I am using my pi4 as a portable dev server which I ssh into from a Chromebook over my home WiFi network. What I'm seeing is that the character latency is very high, seriously impacting my developer ...
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1answer
72 views

Copy / Back up all images on Android phone to SD Card with folders

I am running a Raspberry Pi 4 Model B as a VPN Gateway with OpenVPN. On my Samsung S8, I have the app OpenVPN for Android installed and the VPN tunnel to my home network works like a charm. What I ...
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26 views

How to restart ssh and Samba after a temporary network disconnection?

I have a Raspberry Pi (Raspbian GNU/Linux 10 (buster)) connected to my home WiFi, which I primarily use as a Samba file server to access files on my other devices. I occasionally have to reboot my ...
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1answer
40 views

How do I set up a remote ssh connection from my raspberry pi?

I really need some clarification regarding how you connect to a remote server which then forwards requests to certain ports. In an ssh tunnel, are you establishing a SOCKS proxy? How do I get a server ...
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63 views

Can't find Raspberry PI IP

I bought Raspberry PI 4B few days ago. I downloaded Raspbian buster lite and placed it on an SD-card, placed ssh with no extension so that I can access it thorugh ssh. I put the prepared sdcard into ...

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