Stack Overflow
Stack Overflow

Questions tagged [dropbear]

Dropbear is a software package that provides a Secure Shell-compatible server and client. It is designed as a replacement for standard OpenSSH for environments with low memory and processor resources, such as embedded systems.

Dropbear is a software package written by Matt Johnston that provides a Secure Shell-compatible server and client. It is designed as a replacement for standard OpenSSH for environments with low memory and processor resources, such as embedded systems. It is a core component of OpenWrt and other router distributions.

Related:

,

43 questions
1
vote
2 answers

Dropbear -> Openssh: Why does it ask for a password now?

I'm working on an embedded board (i.MX6) with a Yocto-based embedded Linux. So far I used Dropbear as SSH server. However, Dropbear doesn't provide an SFTP server, which I need. Therefore I switched from Dropbear to OpenSSH (built it from the…
Georg P.
  • 2,785
  • 2
  • 27
  • 53
0
votes
0 answers

Why dropbear start before network in openwrt

ls -l /etc/rc.d got S19dropbear and S20network. if the network does not start, does dropbear have the change of starting fail?
Divlaker
  • 401
  • 6
  • 16
0
votes
0 answers

Capturing Dropbear SCP Transfer Progress and Enhancing Identification in C++ Program

I am currently working on a C++ program that invokes Dropbear SCP and redirects the progress to a log file using dup2. Here is the relevant code snippet: int fd = open(logfile, O_CREAT | O_WRONLY, 0600); dup2(fd, 1); dup2(fd, 2); close(fd); /*…
Ofa
  • 67
  • 1
  • 10
0
votes
0 answers

Dropbear authentication error | No auth methods could be used

I am tyring to ssh to a remote server using dropbear from my embedded board (with custom Linux distribution built using yocto). By deafult the dropbear ssh client is used instead of openssh client. When I try to establish connection I get ssh:…
Preeti
  • 535
  • 1
  • 6
  • 30
0
votes
0 answers

Dropbear Login attempt for nonexistent user while user exists in the system

I wanted to have a ssh server on my embedded linux system, so I tried to install dropbear by compiling it and installing the binary in the file system. On that embedded system, I use busybox. I have authentication enabled (meaning I have root user…
patacoing
  • 87
  • 1
  • 10
0
votes
0 answers

Error: opcode not supported on this processor: mips1 (mips1)

when I was cross-compiling for mips-openwrt-linux，I encounter an error showing below. It seems that protobuf using an opcode which was not supported by my compiler with mips1 opcode. /tmp/cczgWQVg.s: Assembler messages: /tmp/cczgWQVg.s:117: Error:…
vudinhlong
  • 1
0
votes
2 answers

ansible apt absent not working for dropbear

I tried a simple install/uninstall ansible playbook with dropbear but not able to remove the module by setting apt state to absent. --- # filename: install.yaml - hosts: all become: yes tasks: - name: install dropbear tags: dropbear …
Jeffrey Chen
  • 11
  • 3
0
votes
0 answers

How to set password based authentication with dropbear ssh in linux

I know that dropbear allows to set public key based authentication. But I want to set up password based authentication not the key based one. I have tried not to put "-s" flag on DROPBEAR_OPTIONS variable. but it still showing me public key denied…
Nirzak
  • 43
  • 6
0
votes
1 answer

configure dropbear failure: zlib missing

I already have a cross-compiled zlib: path/to/zlib/install/ ├── include │   ├── zconf.h │   └── zlib.h ├── lib │   ├── libz.a │   ├── libz.so -> libz.so.1.2.11 │   ├── libz.so.1 -> libz.so.1.2.11 │   ├── libz.so.1.2.11 │   └── pkgconfig │   └──…
John Doe
  • 63
  • 4
0
votes
1 answer

How to match ECDSA fingerprint between open-ssh and dropbear

Hi I would like to ask how should I match server fingerprint. I use dropbear for entering HDD password before start and than I use open-ssh. The problem is that when I ssh to enter HDD password I receive warning that ECDSA has changed so I need to…
Jakub Znamenáček
  • 766
  • 1
  • 4
  • 18
0
votes
1 answer

Fetcher failure for URL: 'file://dropbear.default'. Unable to fetch URL from any source

I am trying to override the dropbear.default The layer looks like this : meta/recipes-core/dropbear ├── dropbear │   ├── 0001-urandom-xauth-changes-to-options.h.patch │   ├── 0005-dropbear-enable-pam.patch │   ├──…
jy824212
  • 37
  • 8
0
votes
1 answer

Unable to cross-compile dropbear for uclibc

I am trying to cross-compile Dropbear for an x86 machine where glibc is missing and instead, uclibc is being used. For that aim, I have cross-compiled zlib for this same instruction set using a custom crosstool-ng toolchain and installed it to a…
m.dorian
  • 489
  • 1
  • 6
  • 24
0
votes
1 answer

On LUKS-Dropbear-Arch-Raspberry Pi-System appears error: Can't open '/.cryptdev': No such file or directory

I wrote a script to configure and transform images to an sd card to use them on an Raspberry Pi. In line 418 of this script you will find the following code: if [ "$encrypt_system" == "y" ] then # @see…
kevinfrantz
  • 1
0
votes
1 answer

dropbear-initramfs can't find modprobe and blkid

I'm trying to have dropbear remote ssh boot on a debian system which is encrypted with lvm crypto luks. I can get it work on my raspberry pi but not on my regular system steps: 1 install debian with encrypted LVM ls -l /lib/modules/ |awk -F" "…
soroush
  • 1
0
votes
1 answer

Can't download a file via os.system('scp (...)') whithin a python script launched via a init script

I'm trying to download a remote file using the scp command called by os.system() in a Python script (scp.py) started as a service by a procd init script. This script is running on OpenWrt 15.05.1 (which uses BusyBox to implement the shell…
Sir Robin
  • 182
  • 2
  • 14
1
2
3