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Debian SSH cant sudo

i have a Debian Server which only can be accessed remotely via SSH. And i have a Couplet of Problems. When i try to login as root it does not accept my password. When i am logged in as normal user i ...
Luca G's user avatar
  • 1
0 votes
0 answers
322 views

Turning off PermitRootLogin in sshd prevents any user to connect

I have a Debian bullseye virtual machine in OVH cloud. Allowing ssh login as root is non-secure, so I decided to turn it off in /etc/ssh/sshd_config by commenting out the line PermitRootLogin yes. ...
Dmitry K's user avatar
0 votes
0 answers
430 views

ssh from windows 10 to debian with no password

I tried to SSH without a password from a Windows 10 client to a Linux [Debian] server without using a password, following every step described here; however, I am still asked for the password every ...
roi_saumon's user avatar
0 votes
0 answers
215 views

Login in as root in Debian on an AWS instance

As the title says, I want to Login in as root in Debian on an AWS instance. I have tried various methods as described in this, this and others. In other words I have set: PermitRootLogin yes ...
Chiwda's user avatar
  • 123
1 vote
1 answer
39 views

Apparent SSH anomaly

I have four machines on which I'm installing Debian 11.2. On three of them, there was nothing I wanted to save, so I just did a clean install. On the fourth (10.0.0.96) I needed to save some stuff so ...
mdavidjohnson's user avatar
0 votes
1 answer
946 views

Operation time out when attempting to connect to server with SSH after scp started hanging

I was transferring a file between two remote machines when the scp command stopped at 92%. Now, I'm unable to SSH into my server from my local machine. I do have access via my server host's VNC ...
Timothy Fisher's user avatar
0 votes
0 answers
2k views

Permission Denied When trying to SSH with Public IP

SSH: Permission Denied, when using Public IP address I am trying to remotely connect from one PC to another host's Virtual Machine(VM). I can easily SSH from Host to Virtual Machine but when trying to ...
Mitchell Yuen's user avatar
1 vote
1 answer
1k views

OpenSSH Problems combining PAM and Password

I'm playing around with MFA out of personal interest and ran in to an issue I haven't been able to figure out. I recently set up PAM (using Google Authenticator) and would like to combine this with ...
gwow12345's user avatar
  • 113
0 votes
0 answers
29 views

debian several ssh in shellscript file not works

In Ubuntu, I have a shell script file. In my script, the first ssh command to the Debian server works but the second ssh has error. for example, if I have ssh -t "$userName"@"$...
Jafar Amini's user avatar
0 votes
0 answers
122 views

Debian server on a flash drive

I want to make an flash drive that when you put it into an computer it will boot the debian up and you can ssh into it. I don't want to boot into it, because I sometimes don't have a lot of time or i ...
Minegun's user avatar
1 vote
0 answers
214 views

How to configure the ssh plug in for Visual Studio Code in case the remote server uses port knocking?

So there is a server which has port knocking (e.g by using linux subsystem for windows) I can easily ssh to by $ knock -v "ip of the server" Xport:udp Yport:udp Zport:udp $ ssh -i ~/.ssh/...
papajo's user avatar
  • 202
5 votes
3 answers
6k views

`systemctl --user` results in "Failed to connect to bus" in google compute instance

I'm connected to a google compute instance via ssh with Debian 9. When I try any systemctl --user ... command (systemctl --user status for instance) I get an error: "Failed to connect to bus: No ...
Snoober's user avatar
  • 91
0 votes
1 answer
1k views

Where does Putty get the server host public key?

I'm logging into a Debian box and I get the security alert showing me the host public key. When I compare the full public key reported by PuTTY to the one in ~/.ssh/authorized_keys I find that they ...
Rob's user avatar
  • 95
-1 votes
1 answer
2k views

Why is OpenSSH server installed and enabled by default?

I am installing a new Debian based distro. I'm following a guide and it appears that OpenSSH server is enabled by default. That is, openssh-server is installed by default. To my understanding, this is ...
newuser's user avatar
2 votes
2 answers
18k views

X11 forwarding: Unable to init server: Could not connect: Connection refused. What is needed for an X11 connection?

I want to control a no GUI Debian server by an X11 connection via ssh from Ubuntu desktop. From everything I read and watched it should work like a charm on Linux distros but it doesn't. # The ...
Kacper's user avatar
  • 41

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