Questions tagged [openssh]
OpenSSH (OpenBSD Secure Shell) is a set of computer programs providing encrypted communication sessions over a computer network using the SSH protocol.
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How to fix the "Connection failed with error: Failed sending banner ....." for ssh?
At times when the remote device is behind a VPN or is in local network, this error shows up:
Connection failed with error: "Failed sending banner to ....@..........:22"
This shows up infrequently ...
6
votes
1
answer
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scp failing on 24.04
I recently upgraded a box to 24.04 and several scripts using scp are failing.
They work perfectly on an older box but the new box can't copy the files and results in a "No such file or directory&...
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1
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root@localhost's password: localhost: Permission denied, please try again
I am trying to setup Hadoop in "Pseudo-distributed Mode". I have already performed the below steps:
I have installed Openssh-server.
I have generated the rsa type key pair.
Copied *rsa.pub to ...
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1
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ssh only works after rebooting. Ubuntu 22.04
A local Mac can connect remote Ubuntu 22.04 by ssh for about 16 minutes, and disconnected. The local machine screen said Connection to xx.xx.xx.xx closed by remote host. Then I tried to connect the ...
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SSH hanging with Raspberry Pi
I have a RaspberryPi Model 3A+, with the Raspbian OS installed. I am trying to SSH from my laptop, into my Pi over my LAN.
Initially I encountered no issues. I could ssh in fine, execute commands, etc....
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Commands in the same line with sshpass not recognized
I was running a script normally. But suddenly, all the commands in the same line with sshpass started being not recognized. For instance:
sshpass -p "$password" rsync -a -e "ssh -o ...
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1
answer
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SSH / SFTP Permission denied (publickey)
I've added the following to my sshd_config
Match Group sftponly
ChrootDirectory /srv/sftpfolder
ForceCommand internal-sftp
#AllowTcpForwarding no
PermitTunnel no
X11Forwarding no
I created "user&...
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2
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SFTP Default Folder & Limiting Access With chroot
I want to default a given user to a specific folder when they SFTP to my Ubuntu 18.04 machine. I also wanted to lock down SFTP a bit. This Digital Ocean post gave me what I needed, and helped me get a ...
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3
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RSA keys not authenticating
Just trying to get a basic setup of openSSH going on an Ubuntu box to work remotely. Main issue: RSA keys fail auth. ssh DOES work using the password for auth, but I would much rather limit it to only ...
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2
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OpenSSH - Restrict users to one or multiple folders
I want to know how I can restrict user access using OpenSSH Server.
Let's say I want
user 1 to only access /Media, /Documents, and his home folder,
User 2 should only access /Folder21, and his ...
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Ubuntu OpenSSH sftp server
I installed OpenSSH. Changed the sshd_config. Created a user.
I created a user, but I get a error when connecting with WinSCP. Why? (Networkerror: Software caused a disconnect)
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Installing openssh-server in Ubuntu-24.04 on WSL2
I just installed Ubuntu-24.04 from the Microsoft Store into WSL2 on my Windows 11 host. The first thing I wanted to install after logging in and upgrading the installation was openssh-server, but that ...
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SSH Error:Permission denied, please try again
Recently, I installed a new Ubuntu 22.04 LTS and found that it worked the first time I logged in, but then it didn't!
I did the following configurations, but the problem is not solved
sudo vi /etc/ssh/...
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1
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SSH Server cannot be found - Even though installed
I have a machine running Ubuntu 18.04 LTS where I cannot seem to get SSH Server working.
I installed SSHServer using:
sudo apt install openssh-server
but I am getting the following when I try to ...
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1
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Delete old versions of sudo [duplicate]
Regards, I hope you be fine.
I'm trying to close vulnerabilities in ubuntu, currently working with jammy jellyfish.
A vulnerability that I'm closing is with sudo
when I use the command dpkg -l or apt ...
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SSH connections keep dropping
I have a server running Ubuntu server 12.0.4 with Openssh-server installed. I can connect to the server for about 30 minutes and then the connection drops. When I try to reconnect I get The remote ...
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2
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How to use rsync when root priviledges are needed on remote host?
Since root passwords and logins are not allowed on Ubuntu, how does one use ssh and rsync to move folders and files from a local host to a remote host when root privileges are needed on the remote?
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1
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SSH freezing moments after successfully connecting, then Broken Pipe
Sorry to ask about a topic that's been done to death, but I haven't found what I need yet.
I've set up a lambda machine with an SSH server. I can connect to it from my laptop with ssh -l <username&...
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1
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SSH using putty : Network error connection timeout
i am using Ubuntu server 20.04 lts i have configured static IP and can ping google.com and i can also ping server from another computer vice-versa. my ssh status is active and port 22 is listening but ...
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I uninstalled openssh-client and all my snap application have been erased
I uninstalled openssh-client and i didn't see that another apps were uninstalled too. Now all my snap app like Reemina, atom, etc (all snap app that i've installed with ubuntu software gui) were ...
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Is it expected to not have `rsyslog` installed after a fresh install of ubuntu server?
Is it expected to not have rsyslog installed after a fresh install of ubuntu server?
If yes, where do logs that go to /var/log/auth.log actually go then?
Here is what happened: I was looking for /var/...
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What's the easiest way to install OpenSSH 7.4 on Ubuntu 16.04?
On Ubuntu 16.04 (Xenial) box, what is the easiest way to install OpenSSH (openssh-client) that is higher than 7.2?
I am aware that I could compile from source, but I was wondering if there's a way to ...
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Host alias for ssh
There are a few SSH destinations I will frequently be connecting to and I'm wondering if rather than remember the IP address I can create a host alias for them. I'd like to be able to use...
ssh -p ...
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How to delete users who are logged in
We tried to remove them by killing the processes but they are still there.
This is how users appear
can't access root pts/18 tmux(1804832).%13
can't access root pts/19 tmux(1804832).%...
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How to Login to SSH with Dynamic username
I some external Gateway through which the ssh requests come and need to log the sessionID in the linux when the connection happens. I can send the sessionID (some string) along with the username while ...
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179
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Allow access to openssh server without authentication
First this is not a duplicate of any thread ive gone thru all of them and either solutions were not working for OPs or they werent working for me.
I want to allow specific user to use my ssh server ...
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2
answers
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Problems accessing a Cisco Router from Ubuntu 18.04 via SSH
I have an Ubuntu virtual machine (server) connected to a Cisco router where I'm trying to establish a SSH session to this device. They are connected back-to-back so there are no additional network ...
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4
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Start SSH automatically on boot
Completely brand new to linux and Ubnuntu. Setting up a machine to do deep learning/neural networks. So far it is going well. Got everything installed and running. I want to be able to ssh from my Mac ...
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ssh tunnel general process on a phone -used as vpn -user limitation failed
I'm using a couple of vm's as an ssh tunnel-vpn for both android and iOS, using ssh clients on both OS's. so now i want to limit the number of sessions per each user in order for each user is limited ...
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port 22: Connection refused, but only 60% of the time
I am running this:
ssh_command = f'ssh -vvv -o StrictHostKeyChecking=no -i {private_key_file} ubuntu@{public_ip}'
# Use os.system to execute the SSH command in a subshell
os.system(ssh_command)
...
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1
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How to avoid Broken Pipe error from client side?
How do I prevent the Broken Pipe error from the client side of the ssh connection on ubuntu?
Let's say that slurm is running on the server and I just made a salloc request. If the connection is broken,...
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Bug with pasting root password to connect via SSH from Ubuntu 20.04 to Alma Linux 9 remote server
Summarize the problem
Im running into a strange bug, by pasting the root password into the prompt while connecting via SSH from a Ubuntu 20.04. client to a AlmaLinux 9.2. remote server.
Client: Ubuntu ...
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ssh-copy-id has no effect [closed]
I'm trying to transfer my public key to my server. I've ran ssh-copy-id to do so but nothing really happened. Nor the .ssh nor the authorized_keys folder is made. The public key is not in my home ...
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send_pubkey_test: no mutual signature algorithm
Here is the client log output after a ssh -vvv user@machine (I think this problem is related with the deprecation of sha-1). I have already tried to create a new key/par for ed25519, but it doesn't ...
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2
answers
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Can't I scroll in the terminal up? Terminal shows only 24 rows? The scrollbar on the right fills the entire vertical height of the window?
Based on:
Terminal output scrolling is gone (Headless 11.10 Server, Upgraded from 10.10)
and
https://superuser.com/questions/1331658/why-cant-i-scroll-in-the-terminal
and my own dire situation right ...
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1
answer
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Secure remote copy with exceptions
In order to use some data that are stored and produced remotely I first download them via scp servername:/.../big_directory/* ~/. There are many files and the command includes everything. These files ...
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How do I install an SSH private key generated by PuTTYgen?
I set up my Linux server to accept connections from my home PC by adding the public key generated by PuTTYgen to the authorized_keys file.
Now I'm trying to connect to the same machine, but this time ...
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0
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ssh no matching host key type found
I have 2 Ubuntu 22.04.3 LTS servers. Both are the same version.
1:chia@chia00:~$ cat /etc/os-release
PRETTY_NAME="Ubuntu 22.04.3 LTS"
2:chia@hp1:~$ cat /etc/os-releasePRETTY_NAME="...
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ssh refusing connection with message "no hostkey alg"
My SSH connections worked well, but from last week SSH from my laptop to my board refusing connection. I can make a SSH connection from the board to laptop, but not vice-versa. I tried that with my ...
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17
answers
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SSH error: Permission denied, please try again
I have an Ubuntu server setup using amazon ec2 instance. I need to connect my desktop (which is also a ubuntu machine) to the ubuntu server using SSH.
I have installed open-ssh in ubuntu server. I ...
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"ssh-copy-id user@ip_address" throws error
In UBUNTU system, I'm trying to set up remote login system. It is failing in ssh-copy-id step. It throws the following error:
/usr/bin/ssh-copy-id: INFO: attempting to log in with the new key(s), to ...
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When Connecting To Remote Box SSH Fingerprint Changed After Upgrade from 18.04 to 22.04
I have a PHP script on my local box that connects to a remote box. Nothing on the remote box changed. And when I connect via the command-line, using the ssh command in a terminal, there was no change ...
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what is the use of setting up OpenSSH on Ubuntu Live Server 22.04?
Setup Info
I am using Hyper-V to spawn Ubuntu live 22.04 VMs. During the installation procedure it asks if I want to Install OpenSSH server, whether I select this option only results in one change. ...
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SSH Connection Timed Out Ubuntu 20.04
I've looked through a million threads on this topic but nothing has worked. I'm trying to ssh into my linux through port 22. Connection is refused.
UFW is inactive and firewall-cmd is not downloaded
...
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failed to fetch libraries for openssh-server + Temporary failure resolving software sources [duplicate]
I tried many ways like tried to find here gone through http://in.archive.ubuntu.com folders.
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How do I make ssh ask for the password every time?
I am using Ubuntu 22.04. This is an unusual question since most users want to make the ssh agent remember the password once it is entered per user session. I would like it to ask for the password ...
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can not setup passwordless ssh using key by MANUALLY COPY public key to server
context:
firstly, i got a new ubuntu 20.04 server with a password
I'm using OpenSSH client on Windows 10
I want to do passwordless login, then I
ssh to server using passwords,
manually create ~/.ssh ...
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Automatically disconnection on all port, including ssh and directadmin port
New to Ubuntu server for home, just start using it for a week and more.
The server is connectable by ssh and port 2222 (directadmin port) after the system startup (power on/reboot) but after the ...
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1
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Unable to ssh over WAN
System:
$ lsb_release -a
No LSB modules are available.
Distributor ID: Ubuntu
Description: Ubuntu 20.04.6 LTS
Release: 20.04
Codename: focal
Openssh version:
$ ssh -V
OpenSSH_8.2p1 Ubuntu-...
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2
answers
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How to install ssh keychain on Ubuntu with WSL
Please help me understand how to install SSH keychain on my Ubuntu under WSL in order for me to be able to configure my .ssh/config to use it.
I'm taking some online training, and I've tried setting ...