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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cannot install openssh-server [duplicate]
I'm having trouble installing OpenSSH server on Ubuntu-22.04.2 (not 22.04.1).
ERROR:
$ sudo apt install openssh-server
Reading package lists... Done
Building dependency tree... Done
Reading state ...
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2
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SSH into server running xinetd throws error "kex_exchange_identification: read: Connection reset by peer"
I have two servers running ubuntu 22.04.2 LTS with openssh-server 1:8.9p1-3ubuntu0.1 installed. And on both servers I have installed the same admin user.
I want to test the legacy superdaemon xinetd ...
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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 ...
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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 ...
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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 ...
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5k
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Can’t change SSH port
I can’t change the port from 22 for openssh. I’m using /etc/ssh/sshd_config. The line hasn’t been commented out. I’ve restarted the service. But no matter what I do when I check with service ssh ...
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1
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3k
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SSH service fails to start
I just created a virtual machine based on cloud images (of Lunar Lobster) on VMWare. Unfortunately it fails to start ssh. If I try to enable or restart the service I get:
And if I check journal it is ...
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1
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SSH with "Do not execute a remote command" hangs
I have Ubuntu 22.04 installed on a remote server. I can ssh to the server without any issues.
I often need to open a vnc tunnel with the following command:
ssh -L 5901:127.0.0.1:5901 -C -N -l username ...
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128
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SSH Connectivity Issue
Why does the ssh client stop connecting to servers either right after reboot or few minutes after reboot?
The screenshot
I found this in both ubuntu 20 as well as ubuntu 22. My server is working fine ...
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How to SSH in Ubuntu on a VM to Ubuntu on another VM
I'm new to Linux.
I have Ubuntu installed on Virtualbox on my Desktop, and I want to connect to it from Ubuntu installed on Virtualbox on my laptop.
How can I do that?
which user name and IP will I ...
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How to enforce 2FA while already enforcing public key authentication?
I have been using google 2FA for a while and it works solid.
How can I enforce 2AF for some users in addition to ssh key based login?
All websites I visited explain how to set it up, but the result is ...
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105
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Limit TTY via SSH to local Network
I'm setting up a JumpHost for my local network, and would like to not allow TTY from outside, but would also like to have it enabled for connections from inside the network. Is that possible, and if ...
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969
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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 ...
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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
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462
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openSSH - ECDSA key fingerprint
Once in a while I get this question when I want to ssh to my linux.
ECDSA key fingerprint is SHA256:...................................
Are you sure you want to continue connecting (yes/no/[...
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Trying to install openssh-client openssh-server on WSL but going through snap error
sudo apt-get install openssh-client openssh-server
Reading package lists... Done
Building dependency tree
Reading state information... Done
The following packages were automatically installed and are ...
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ssh using password and key [duplicate]
Ubuntu 22.04 with OpenSSH
I was ssh to require key and password. I want keys for the usual reason. I also want password in case my laptop is lost or stolen. I don't mind the extra step to type the ...
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ssh: connect to host xx.xxx.xxx.xx port 22: Connection timed out
I am using ubuntu in my old pc and laptop.
Whenever I connect to my note book from pc by using ssh and sftp it works.
pc to notebook >> no problem
Now I am trying to make my pc like a remote ...
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0
answers
712
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SSH connection not working
I created an EC2 instance (ubuntu 20.04), after successfully creating this instance I SSH into it and ran some commands which were basically to install some open source tools as sudo user, but once I ...
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1k
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"Wrong password" error on ssh server remotely
I am running an SSH server on my local machine and I am able to perfectly login and modify files if I use something like [email protected] and type my password.
However, when I try to login from ...
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967
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How to start manually-installed OpenSSH, and run at boot
I've manually built an older version of OpenSSH with make + make install, for educational purposes.
Is it possible to start it with sudo systemctl restart ssh, as when we install OpenSSH from apt-get?
...
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1
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2k
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CLI needs sudo to be able to SSH
I have a strange error. I just installed Ubuntu 22.04 and copied over my SSH keys from the old installation (Ubuntu 20.04). Now suddenly I need sudo to be able to SSH to any machine - as long as it's ...
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How to get latest sudoers and sshd_config after Ubuntu update? [duplicate]
Just updated to Ubuntu 22.04 LTS. During the update it warned me that I modified the sudoers and the sshd_config files (which I did). For the sudoers file, no merge option was provided and for the ...
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PuTTY connection error after NetworkManager changes
I am using Ubuntu server 20.04. I switched network settings, changed Netplan to NetworkManager. This is required for L2TP/IPsec vpn connection using NetworkManager.
Further, after setting a static ip ...
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3k
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accessing remote server by ssh ( but ssh port is filtered)
I have a few remote ubuntu servers which I don't have a physical access to them. I want to ssh , all of them are saying that the state is filtered on port 22.
I have just their Ip address, by using ...
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1k
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Allow different users to connect to a ssh server (openSSH)
I'm new at this: I'm trying to set up a ssh server on my personal
computer with openSSH. So far, I was able to connect to my server
through my computer and also from a different computer in the same ...
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132
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How do I get/review each record in my known hosts
I recently have had "WARNING: REMOTE HOST IDENTIFICATION HAS CHANGED", I started digging to double check whats happening.
I wanted to review all entries which I have as I just think it might ...
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1
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1k
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Connecting to sever through ssh
I tried to connect to my sever through the ssh using ubuntu but it does not work.
sudo apt-get install openssh-server openssh-client
[sudo] password for user:
Reading package lists... Done
Building ...
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349
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How to prevent ssh client to access/view a specific folder
Using the SSH opened port, it was possible to verify the folders and the files present, under the directory /usr/share/SecretFolder They are exposed without authentication. My question it's possible ...
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Why am I not getting prompt for passphrase on other computer in ssh? Only getting password prompt without passphrase
root@Harshit:~# ssh root@my-ip
root@my-ip's password:
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ssh - private key file requires \n at the end of file or cause "Load key id_rsa invalid format"
Question
Has OpenSSH introduced a change that requires \n at the end of the private key file (id_rsa)? Previously I was on Ubuntu 18.04 and I believe id_rsa without \n at the end of the file was ...
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ssh with identity_file failed on ubuntu 20.04
First I generate RSA key on the target host on ubuntu 20.04:
ssh-keygen -t rsa
Then I scp ~/.ssh/id_rsa to source host.
Final I wanna to ssh from source host by id_rsa:
ssh -i id_rsa root@target_host
...
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1
answer
2k
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ssh still reporting old version after upgrading openssh-client and openssh-server
Security Metrics are complaining our version of ssh is out of date.
If I run ssh -V I get this:
OpenSSH_8.2p1 Ubuntu-4ubuntu0.2, OpenSSL 1.1.1f 31 Mar 2020
But if I run dpkg -s openssh-client | grep ...
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544
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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, ...
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cannot log into SSH server
Ubuntu server 20.04 installed and configured to listen to port 2222. From a windows10 machine on the same network I can ssh into the server without difficulty using:
ssh -p 2222 [email protected]....
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2
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4k
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Cannot connect with SSH to my Ubuntu Server that is behind a router
I installed Ubuntu Server 20.04 on my old laptop. When it boots Ubuntu Server starts fine and I can login on it. I installed OpenSSH on it and it is active, running. I allowed port 22 on the ufw and ...
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Access and copy files from Windows server with openssh to my Ubuntu machine
For development I use a Ubuntu machine.
I need to retrieve a file which is located on a Windows machine.
There is openssh installed on the Windows server.
I can log into the Windows server and then I ...
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905
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Ubuntu desktop ssh unreachable after a while
Hi I installed a new Ubuntu Desktop machine wich i am running a server from. Now i ran into the issue that after a while (12-16 hours sometimes, after i didn't use it for a bit.) that when I try to ...
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565
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ssh - connection closed without any further information
I'm currently having trouble with SSH configuration. It was working since about half a year and since this morning, it doesn't seems to work anymore.
I've tried a lot of things such as allow from all, ...
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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 ...
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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 ...
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Clusterssh with publickey [closed]
how to login vps with sshpublickey with clusterssh ?
if i using 2 vps with password command
clusterssh username@ip username@ip
so how to using publickey ?
i use ubuntu 16.04
thank you
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How set ChrootDirectory on ssh_config in Ubuntu 20.04
how can I set the chroot directory for a specific user in ssh_config?
I'm trying:
Match User zeus
ChrootDirectory /home/test
Forwardx11 no
But I get a syntax error for the "...
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5k
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ssh_exchange_identification — read: Connection reset by peer
I was playing the "Overthewire Bandit" war game and when I try to login to level 20 I am getting the error
ssh_exchange_identification: read: Connection reset by peer
How can I resolve this ...
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695
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Building OpenSSH 8.2p1 on Ubuntu 18.04.4 LTS, what flags should I configure it with?
I need a newer version of OpenSSH on my home machine for remote work.
What flags should I pass to ./configure to maintain the same level of configuration as my current OpenSSH (7.6p1), the one ...
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5k
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OPEN SSH not listening on Port 22
I installed Ubuntu 20.4 (and included Open SSH) as virtual machine on Virtual Box on a Windows 10 laptop. I installed Samba to allow for machine name connection.
Below shows the listeners on Port 22,...
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463
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Some unnamed processes eat 100% CPU
My vps is running Ubuntu 16.04. Recently, I have found a lot of failed ssh connections in /var/log/auth.log.
I have enabled fail2ban and disabled password authentication. Now, there are some unnamed ...
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71
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Cant connect to SSH server (Ubuntu) from home wifi
My SSH server set up at my workspace usually from a mobile SSH application with cellural data i can reach ssh anywhere,but when i'm home and i want to do my thing it just wont connecting. The server ...
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1
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6k
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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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45
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How to pin openssh from eoan in bonic
I want to pin only "openssh-server" package from eoan to my current bionic distro which has an old openssh version.
