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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 ...
CRYSTAL's user avatar
0 votes
0 answers
179 views

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 ...
Surepic 342's user avatar
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 ...
ABu's user avatar
  • 245
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 ...
FeDos's user avatar
  • 176
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/....
njfamirm's user avatar
  • 113
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 ...
Saki Osive's user avatar
1 vote
2 answers
2k views

Configure SSH server to NOT ask key OR password over localhost connection

I am trying to satisfy a weird case, so bear with me please. I want to use [don't gasp] graphical Windows tools (like WinSCP, PuTTY, etc) with signed OpenSSH keys. These tools don't support signed ...
Slav's user avatar
  • 133
1 vote
0 answers
48 views

Ubuntu client cannot connect to ubuntu server since update but windows client can

I'm the administrator of 3 small ubuntu servers used in our scientific group and I have ubuntu 18.04 on my personal laptop. For the past two weeks I've been unable to access the servers remotely (I'm ...
Samenkov's user avatar
0 votes
1 answer
3k views

Can't ssh with key after upgrade/new install of 18.04 server

I have Ubuntu 18.04 on both desktop and server. Trying to login as user (not root) to server with ssh fails with "Permission denied (publickey)". SSH worked before with server being 16.04, but not now ...
Mårten's user avatar
  • 11
6 votes
3 answers
27k views

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 ...
Troy Liebel's user avatar
2 votes
1 answer
654 views

Ubuntu 16.04 SSH RSA Keys work but only if password authentication is enabled (Putty)

I have keys setup on my Linux headless server and Putty on my Windows Desktop. I can connect and authenticate successfully with Putty and authentication is via RSA Keys. However, if I disable ...
Squid_Vicious's user avatar
1 vote
0 answers
2k views

ssh:permission denied,please try again

I am having two laptops both having ubuntu 14.04 LTS and they have wireless connection. When I try to access other system,it says permission denied,try again.What to do? The following after I type ...
vipin megotia's user avatar
1 vote
0 answers
408 views

SSH client on Ubuntu 15.10 is not working with public key

I am trying to ssh from my Ubuntu machine to other SSH servers, and also to itself but it is not working with the public key - it always prompts for a password. verbose output from ssh client debug1:...
jubuntu's user avatar
  • 11
18 votes
2 answers
88k views

How to generate Openssl .pem file and where we have to place it

I want to generate a OpenSSL .pem file to allow the remote login via ssh using .pem file at the place of password. I am able to generate key as well as .crt and .pem file using the following sudo ...
Farman Ali's user avatar
1 vote
1 answer
1k views

SSH-Login with key does not work correctly

I got a system where I want to get access via ssh-keys to. I created an user called monitor and created a file called authorized_keys in /home/monitor/.ssh/ and inserted 2 public keys: Publickey #1 ...
MyFault's user avatar
  • 121
2 votes
0 answers
699 views

sshd_config file is being overwritten on reboot

I need an AWS server to accept password authentication and whenever I remove the hash and set PasswordAuthentication yes After reboot or create image and launch a new instance, the # is added back ...
user306518's user avatar
5 votes
2 answers
7k views

OpenSSH Two Factor Authentication

I'm using Ubuntu Server 13.04 and want to use OpenSSH for sftp. I have everything set up and the only thing not working is the Two Factor Authentication. Currently it asks for a password or the public ...
soerensen's user avatar
  • 151
3 votes
2 answers
3k views

How do I install FreeNX server so that it works correctly?

I've tried every single possible way of installing the server now, I've read every how to available and I still can't get it to work. Please let me know in which step I do wrong. I'm using ubuntu 10....
Niklas's user avatar
  • 1,143
2 votes
2 answers
2k views

SSH Key problem

I want to setup my home server to use ssh keys but when I follow the tutorial on https://help.ubuntu.com/10.04/serverguide/C/openssh-server.html for setting up ssh keys I get this: Bad port 'umask ...
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