All Questions
Tagged with openssh networking
55
questions
-2
votes
0
answers
49
views
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....
- 17
0
votes
1
answer
550
views
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 ...
- 245
0
votes
0
answers
2k
views
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
...
- 1
3
votes
1
answer
354
views
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-...
- 121
0
votes
0
answers
1k
views
ssh and sshfs connection via NordVPN meshnet not working
I have set up an OpenSSH server on my home PC (Ubuntu 22.04 LTS) and am trying to connect to it using ssh and sshfs from my Laptop (Ubuntu 20.04 LTS).
The server seems to be running smoothly and I can ...
- 1
0
votes
0
answers
106
views
Why I am not able to connect Ubuntu server with SSH key?
I have Ubuntu server 22.4 and I it had SSH server installed. Time to time SSH connection was doping even while I was working. I update the SSH by using command sudo apt-get update ssh. After the ...
- 101
0
votes
1
answer
183
views
Access to remote server via SSH via pem key requests 2 set of password (key and user)
On a remote server, I would like to access via ssh only with a pem key, which is password protected, but I'm being asked for the user account password as well
I created the account which I want to use ...
- 176
0
votes
1
answer
1k
views
issue sshd_config / systemctl restart
one of my workstation (previously it was a 22.04.1 server edition but according to NUC compatibility list last BIOS and dbx EUFI Database uggrade force me to downgrade to workstation as Server edition ...
- 19
2
votes
1
answer
1k
views
Can't connect SSH on static IP address
I have a default Ubuntu Server 22.04 installation (haven't done anything on it yet).
SSH is working fine with default configuration on server's dynamic local IP.
I then set up a new netplan ...
- 41
0
votes
0
answers
1k
views
Trying to ssh into IPv6 address, getting "no route to host"
I have a home computer that uses Ubuntu 22.04, that I'd likely to remotely SSH into, from the internet. I'm trying to do this through its public IPv6 address. The address doesn't begin with fe80::, so ...
- 449
0
votes
0
answers
50
views
problem ssh to my ansible-controller
am having problem with connecting with my ubuntu using Mobaxterm. when putting my password it brings out this reply: [email protected]'s password:
Access denied
- 1
1
vote
1
answer
6k
views
Permission denied (publickey).?
when I'm trying to connect to server get this error
can you help me?
thanks!
ssh [email protected] -vvv
OpenSSH_8.8p1, OpenSSL 1.1.1l 24 Aug 2021
debug1: Reading configuration data /home/njfamirm/....
- 113
-1
votes
1
answer
668
views
Ssh client working in windows but not in linux [closed]
I currently shifted to linux from windows but I can't connect to ssh when I use -vvv flag it shows connection timed out but in windows it just connects. I am coming from here askubuntu.com/questions/...
0
votes
1
answer
509
views
Why am I able to SSH a remote machine even with the wrong keys?
Description: I have created a ssh connection between my Windows Pc and Raspberry Pi. To so I followed the following steps:
Step 1: Somehow get the IP address of the Raspberry Pi. It should be ...
- 577
1
vote
1
answer
1k
views
How to ssh into a remote computer
I have two laptops, one running Ubuntu (server) and another running Debian (client), and I want to use ssh to log in to the shh server. While on my router's network, using the private IP address of ...
- 21
1
vote
1
answer
1k
views
OpenSSH showing different version from installed version on remote connection
On my server on digital ocean, I upgraded OpenSSH to version 8.6p1.
user@server:~# ssh -V
OpenSSH_8.6p1, OpenSSL 1.1.1 11 Sep 2018
But when I check the OpenSSH version from the remote client it is 7....
- 113
0
votes
0
answers
575
views
Ubuntu ssh client how to specify non-standard port for connecting to ssh server on 2nd ubuntu machine
I am new to SSH. Two ubuntu machines on home network. Ubuntu 20.04 server on one, Ubuntu 16.04 on 2nd machine used as SSH client.
Client succefsully logs into server with standard port 22, that is, ...
- 563
1
vote
1
answer
939
views
Ubuntu Server Terminating SSH Connection
I have an Ubuntu Server 20.04.1 that I want to SSH into. I am using the default ssh service on Ubuntu. I can connect with it and it works flawlessly, but after about 20 minutes, the connection ...
0
votes
0
answers
36
views
Network 3 Ubuntu machines for local data (not internet access)
I have anywhere from 3 to five machines all running ubuntu or ubuntustudio in my home office. They all have a good wifi connection but I need to access files from time to time (apart from wifi) such ...
- 31
0
votes
1
answer
508
views
Connection refused, port 2222, mac to ubuntu (remote)
I can't login from my mac to my ubuntu machine. I tried many things, but nothing works. I am using ubuntu 20.04
Here is what I tried:
installed openssh-client openssh-server
changed port from 22 to ...
1
vote
1
answer
2k
views
Unable to SSH to a local system; error (publickey, password), SSH key regeneration
I'm running Ubuntu 20.04 desktop and unable to SSH into it, getting the error(publickey, password).
Here are the logs :
ssh -vvv [email protected]
OpenSSH_8.2p1 Ubuntu-4, OpenSSL 1.1.1f 31 Mar ...
- 143
1
vote
1
answer
1k
views
Automate SSH client and server setup on every device
I don't think my needs are all that unique. I have a home network wired and wireless with multiple devices running Ubuntu 16.04.6 LTS. They will be upgraded to 20.04 soon though. My desire is to ...
- 103k
2
votes
1
answer
6k
views
can't log in with my password during ssh connection
my /etc/ssh/ssh_config is as follows
# This is the ssh client system-wide configuration file. See
# ssh_config(5) for more information. This file provides defaults for
# users, and the values can ...
- 207
2
votes
3
answers
3k
views
Why doesn't the authorized_keys file stop SSH from promting me with "The authenticity of the host <host> can't be established"?
I have created 2 key pairs using ssh-keygen, one on the server and one on the client.
I then added the server's public key to the client's $HOME/.ssh/authorized_keys file, and vice-versa.
When I try ...
- 39
0
votes
1
answer
1k
views
Unable to ssh to raspberry pi with ubuntu from chrome book
I have an Acer Chromebook 14 CB3-431 running ubuntu 16.04 through the crouton method.
I have a raspberry pi that I can ssh from literally any other Ubuntu computer, and even the Crosh shell from the ...
1
vote
0
answers
93
views
How can I have internet access through ssh
I have a HP Pavillion 15 with Ubuntu 18.04, openssh-server installed and running and I also have an Aspire S3 with Ubuntu 18.04 openssh-client installed.
I can access the HP through ssh on my Acer ...
- 11
0
votes
0
answers
80
views
Aiming to transfer a very large amount of data from an Ubuntu 18.04 PC to a WIN10 PC. What should I be using?
I need to transfer a reasonably large amount of data from an Ubuntu 18.04 to a Windows. I have checked the other Q/As ([1],[2]) on this site but what I have gathered is inconclusive.
People suggest ...
- 1
2
votes
1
answer
3k
views
SSH timeout on nearly-fresh Ubuntu 18.04 installation
Yesterday i made a new installation of Ubuntu 18.04.
Problem
I'm trying to connect to my Digital Ocean vps like always with the ssh user@ip command but it gets stuck.
Things i tried
Tried to show ...
0
votes
1
answer
5k
views
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 ...
0
votes
1
answer
507
views
I can' t connect to internet anymore after i tried to deploy algo
When deploying algo i get an error because the server stops to have the internet connection (but the client, same connection, doesn' t have any problem).
In the virtual machine (server) rebooting ...
- 374
1
vote
1
answer
708
views
Limiting access per SSH to specific accounts to LAN/specifc IPs? [duplicate]
in my quest to create a public user with almost no rights and an administrator user that can only accessed by me, I'd like to know if it is possible to limit SSH access to said administrator user to ...
0
votes
1
answer
206
views
How to managing ECDSA key fingerprints on mobile host
I have a number of automated scripts that use SSH authentication when connecting to a remote host (mobile robot in my case). The problem I have is that this robot is sometimes located in our lab, and ...
- 369
1
vote
0
answers
1k
views
Connecting via Putty to Ubuntu Server 16.04
I have Windows 8.1 on my PC and I try to connect via Putty to Ubuntu Server 16.04 set on VMware. I can ping each other and both got Internet connection but I still cannot connect to my Ubuntu by ssh ...
- 13
1
vote
1
answer
2k
views
ssh_config don't work under ngrok
I am trying to connect to my homeserver via ssh under ngrok, using the default ssh_config and default sshd_config setting, so i try:
ssh -vT localhost
Then noticed that the method of authentication ...
- 61
1
vote
1
answer
2k
views
OpenSSH problem. works ok first time after install. Then goes crazy
I'm trying to set up a new server, just a basic one with openssh.
First I tried a regular installation with Ubuntu server and installed openssh along with the server-install.
First time I tried to ...
- 11
4
votes
1
answer
2k
views
Why is ssh session still active if I've "killed" the ssh server?
I've right now encountered that after you have connected to Ubuntu 14.04 via ssh and you change the sshd_config into an invalid state so that service ssh reload will cause the server to stop listening ...
- 621
0
votes
0
answers
102
views
Enabling SSH on reboot
I would like to be able to use remote SSH to reboot my desktop, from a different network. After a reboot, through SSH, it will go into the login screen, which would need a password, but the computer ...
- 21
1
vote
0
answers
97
views
Issues with permissions when using ssh
I have been having some issues connecting via ssh between two computers. Let us call them Desktop and Laptop. Both are running Ubuntu 16.04 with a fresh install and with all updates applied. When ...
- 1,582
2
votes
1
answer
6k
views
SSH: Set timeout for broken pipe
ssh has the paramater -o ConnectTimeout=10 to set the timeout in seconds when establishing the connection, but once the connection has been established, the parameter has no more effect. When an ...
- 153
2
votes
3
answers
7k
views
SSH connection timed out externally, but works internally
Recently I tried to set my Ubuntu 14.04 desktop computer (I will call it "computer A") as a ssh server so I could access it remotely from my laptop (I will call it "computer B"). I installed openssh-...
- 43
2
votes
0
answers
2k
views
Can't ssh into my home PC remotely
I have a computer at home running on 14.04. I would like to be able to send jobs to that computer (I will call it server) from my laptop (running on 15.04) and share files between the two. I am able ...
- 103
0
votes
2
answers
352
views
High level overview of how SSH works and is setup on Ubuntu [closed]
I'm just starting out with SSH and I need somebody who's knowledgeable on SSH on Ubuntu/Linux to give me the whole picture of working with SSH.
I currently know that SSH is used to securely connect ...
- 121
2
votes
2
answers
11k
views
SSH to local ip in external network
I know there is a lot of information about this subject but still I do not understand something.
We have internal wiifi network that include 4 desktops, each one has internal local ip address.
The ...
- 31
0
votes
2
answers
702
views
Connection refused even after installing openssh-server
I have been spending the last 4 hours trying to get my VNC connection to work. Eventually, I realized it was because my Ubuntu remote host was unable to host SSH connections- even though I had already ...
- 187
4
votes
1
answer
109
views
OpenSSH client not connecting after deleting id_rsa
So I stupidly overwrote my id_rsa and id_rsa.pub files earlier, and I just decied to rm -rf the whole .ssh folder because it was all corrupted/broken after tinkering with it. Ever since that when I ...
- 43
0
votes
2
answers
5k
views
Error connecting Qt Creator to Raspberry Pi using ssh
I have generated an image for the Raspberry Pi board using buildroot 2014.11, but while connecting Qt Creator via ssh to Raspberry Pi board it shows the following error:
Connecting to host…
SSH ...
- 16
3
votes
1
answer
3k
views
ssh connections to Ubuntu are intermittent
I'm trying to use ssh to connect from a Mac to Ubuntu 12.04. I get "Connection reset by peer." Try again and I get "port 22: Connection refused." Keep trying and I get password prompt. Enter password ...
2
votes
1
answer
346
views
timeout during ssh connection
I have an ubuntu pc in my office. I can use this computer through teamviewer. But I not use ssh connection.
This is my office computer:
donbeo@donbeo-OptiPlex-790:~$ sudo service ssh status
[...
- 501
0
votes
4
answers
3k
views
SSH onto new Ubuntu 14.04 server
This is my first server I have set up and I used ubuntu 14.04 to run it. I opted not to use the server install because the regular ubuntu was easier to setup.
Now I wanted to make the server ...
1
vote
0
answers
89
views
ssh, problem with headless device
I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...
- 292