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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Unable to connect via SSH: port 22 error

I have two machines connected via the Ethernet cable. One machine is running Mac OS X , the other Ubuntu (13.10). I am currently able to connect to the Mac via SSH. However when I try login in on the ...
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2answers
222 views

How to install openssh-server, tcsh, autofs and ypbind on Ubuntu 14.04 Desktop version?

How to install openssh-server, tcsh, autofs and ypbind on Ubuntu 14.04 Desktop version? I'd like to modify the source.list to use apt-get for similar packages. They are all in trusty/main or ...
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1answer
70 views

What does 'without password' mean in sshd_config file?

I just installed Ubuntu 14.04 on my server and I was setting up all my config files when I came across this in my sshd_config file: # Authentication: LoginGraceTime 120 PermitRootLogin ...
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33 views

SSH connection refusal, unable to ping [closed]

I am using the Xilinx Zynq 7000, on the TE0720-1 which is mounted on the TE0701-03 carrier board. With a serial connection, I have been able to connect to the device's terminal and give it commands. ...
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1answer
45 views

Why do I've two entries per server in known_hosts file?

On my mac I've 1 entry per server in the ~/.ssh/known_hosts file, in Ubuntu I noticed there are two created per server. Why is that? Format is: |1|wwwwwwwwwwwwwww=|wwwwwwwwww= ecdsa-sha2-nistp256 ...
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1answer
50 views

How do I re-issue OpenSSL snakeoil cert?

In light of the recent heartbleed fiasco and whatnot I too have been scrambling to up security on some servers. My question is how do I reissue the Snakeoil cert that comes with Openssl? The cert ...
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61 views

Cannot install Openssh-server or client

When I go to install, I get this error: sudo apt-get install openssh-server Reading package lists... Done Building dependency tree Reading state information... Done Some packages ...
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1answer
54 views

ssh working so slow

Whenever I start my local ssh login I have to wait for seconds to write a complete command. Even "ls" is taking so much time. I am using it wireless with two of my linux laptops and connecting to my ...
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2answers
66 views

X11 forwarding in SSH

How to run X11 GUI applications from a remote server using SSH? For example: my first desktop 192.168.1.1 my second desktop IP 192.168.1.12 I 'm sshing from my first desktop to the second and i ...
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34 views

why are SSH_TTY and SSH_CONNECTION variables empty?

I know that upon a successful connection, OpenSSH sets several environment variables. SSH_CONNECTION shows the address of the client, the outgoing port on the client, the address of the server and ...
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23 views

Unable to login to Ubuntu server via ssh

[jithin@Landing000 ~]$ ssh -vvv -i xxxxxxxx.pem ubuntu@xx.xx.xx.xxx OpenSSH_4.3p2, OpenSSL 0.9.8e-fips-rhel5 01 Jul 2008 debug1: Reading configuration data /etc/ssh/ssh_config debug1: Applying ...
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1answer
25 views

Please clarify: Using SFTP on LAN for development

After so many years of working with FTP on Ubuntu, I'm now confused. I read on many docs that FTP is insecure and that SFTP or SSH is the best way to go. But here's what I want to do... We are a ...
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1answer
129 views

Cannot access Ubuntu Server 13.10 remotely after server reboot [duplicate]

I've encountered a weird problem imo, and none of my co-workers have no idea why this keeps happening. First of, I've built a little server machine for beta testing of my upcoming software & ...
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2answers
579 views

How to set up Ubuntu SFTP server?

I would like to know how to set up root, sudo, sftp-only user accounts which won't be required public key authentication at log in. I would also like to know how to set up sftp-only users' home ...
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1answer
126 views

Setting Passwordless ssh when a home directory is shared with NFS

I have two nodes (master and slave) where the home directory of the master is shared via NFS with the slave node. I have created an ssh key and used 'ssh-copy-id' to add the public key to ...
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0answers
46 views

Installed Ubuntu guest in Ubuntu Host. Cannot use SSH?

i have a Ubuntu 13.04 Host, and a guest Vurtual Box Ubuntu 13.10. I have SSH intalled on both, however I cannot connect through SSH. The error thrown is "connect to host 19.0.x.xx port 22: Network is ...
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1answer
178 views

nc: Proxy error: “HTTP/1.0 403 Forbidden”

I am using Ubuntu 13.10 x86_64. I am not able to ssh over proxy to remote host. When I issued: ssh -vl hackep6t 162.251.80.25 I got this output: OpenSSH_6.2p2 Ubuntu-6ubuntu0.1, OpenSSL ...
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0answers
68 views

Can't get SSH to work

I tried to set up an ssh connection using an RSA key but I can't get it working. My permissions are ok, I set in the sshd_configfile that it has to use a public key for authentication, I of course ...
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1answer
44 views

Restore SSH Key from txt

I had saved my private and public SSH key contents to a text file, and I recently had to reinstall Ubuntu meaning I lost most of the stuff that was in my home folder. Now, I would like to restore my ...
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1answer
115 views

Ubuntu corrupted log files

It seems that all my log folders located in /var/log are turning into files. For example, if I try to tail /var/log/apache2.log it will say "no such file or directory" I can see it in the file ...
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2answers
55 views

ssh key authentication still prompts password

I got ssh key authentication working on my production server quite swiftly. However, I have been struggling to get it to work on my development server. First, I generated the keys (I use Ubuntu on ...
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2answers
34 views

multiple ssh keys on home computer

I would like to be able to use ssh key to log into my web server via ssh and disable password authentication completely (to eliminate brute force from malicious ip addresses). So I am reading the ...
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44 views

SSH not working on my remote server

Connection issue on my server, I connect server to my local but not connect Error on File Browser popup "ssh program unexpectedly exited". I am trying to via terminal its working fine but not working ...
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1answer
249 views

SFTP connection successful, but can't upload files

I followed this guide. I am using Ubuntu Server and Filezilla, and I can succesfully connect. However, I can only read and download files, not upload or edit them. If I change the file permissions to ...
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1answer
536 views

How to upgrade openSSH version in ubuntu 10.04

I need to upgrade the openSSH version present in my ubuntu server to a higher version. Please provide me steps to do so.
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43 views

OpenSSH Permissions

I'm running an SSH server, and I need three users. The first will be an admin, have SSH access, and can view everything. The latter two can't user SSH, and are limited to their respective directories. ...
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1answer
76 views

OpenSSH Users and SFTP

I added users to my server, but when I try to login, it prompts me for a password, which I never put in. Do any of you know what the default password is? Also, I would like to setup SFTP, so can ...
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2answers
107 views

How to login remotely using SSH

When I'm trying to login remotely using SSH, it asks something like: The authenticity of host '192.168.0.4 (192.168.0.4)' can't be established. ECDSA key fingerprint is ...
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1answer
104 views

Allowing for SSH Access of Ubuntu 12.04 Server from Pubic IP

I have recently configured an old PC of mine to run Ubuntu 12.04 Server to be used as an FTP Client. However, I want to find out how I can access it from a Remote Desktop (I.e: Not on the Wireless ...
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1answer
57 views

I want to access the SSH on my college's LAN but right now I am at home so I am not connected to its network

I used to connect to my college's server via the command ssh user-profile@server-ip-address Now I returned home and am unfortunately no longer connected to the network. When I try the same command ...
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1answer
401 views

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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2answers
7k views

Ubuntu touch apt-get install (openssh-server) error

Whenever I try to run apt-get install openssh-server I get the following errors: root@ubuntu-phablet:/home/hablet# apt-get install openssh-server W: Not using locking for read only lock file ...
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450 views

unable to install openssh server both in command line and from ubuntu software center

Reading package lists... Done Building dependency tree Reading state information... Done Some packages could not be installed. This may mean that you have requested an impossible situation or ...
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1answer
3k views

No more authentication methods to try. Permission denied (publickey)

I have set up a home network behind a router a while ago and use openssh to access the network consisting of my laptop, wife's netbook and my desktop all running l/x/ubuntu 12.04. This worked ...
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1answer
125 views

Can the admin of a SSH server monitor internet traffic?

I use SSH Tunnelling + socks4/5 to browse securely, but a certain question came up in my mind, can the administrator of that SSH server monitor my traffic? like see which websites I am visiting, ...
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13 views

Monitor shows “out of range” [duplicate]

I have a server that won't work with any monitor. The installation works fine and the bootup is also shown on the screen. But when Ubuntu server starts the screen goes black and a window comes up ...
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1answer
230 views

Incoming ssh connections blocked

Hi some time back I asked this question and made a lot of changes to secure my system. Now I need to make a dummy account and give ssh access of this account to a friend. But I am unable to receive ...
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1answer
149 views

How to create a init.d script for openssh-server which was compiled and installed from source using configure + make + make install?

I have installed openssh-server in my Ubuntu PC using apt-get install openssh-server. The version is 5.9. Now, I would like to compile and install openssh-server version 6.2 from source codes. I have ...
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1answer
177 views

Does Ubuntu (server) go to sleep? Why does it take long to login? [duplicate]

I have several Ubuntu Server (12.04 LTS) virtual machines. Some are idle and some are processing background tasks, etc. However, when I try to login (SSH) to the servers, it often takes several ...
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1answer
264 views

chroot sftp not able to login

I am trying to set up sftp access on my server and chroot the users into a samba share. When I edit /etc/ssh/sshd_config and add Match Group sftpusers ChrootDirectory /srv/samba/share ForceCommand ...
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180 views

SSH only works with default port outside LAN

I have the openssh-server installed in one pc and I was connecting normally to it from outside and inside the LAN using SSH in the port 10465. However, one week ago or so, I could not connect to it ...
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3answers
182 views

How to use open ssh key?

I got a ssh key in ppk format. I found some manual to convert it to an open ssh key. Now I just want to connect to the server using this key. The manuals I find are all about creating one. Do I have ...
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3answers
7k views

openssh-server package not available on 12.04.2

I have just done a fresh install of 12.04.2 and found out that i could not ssh to this PC. I tried to install openssh-server but it said that "Package openssh-server is not available..." What is ...
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1answer
241 views

SSH Connection problems

I'm having troubles with a simple SSH Connection at home. I installed openSSH on an Ubuntu Server. I generated the rsa and dsa but this ssh connection stops while expecting a MSG packaget that I ...
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2answers
1k views

Can't SSHing to Ubuntu via hostname and port other than 22

I'm trying to connect to Ubuntu via SSH from OS X, and I took the same step as explained in this page (https://help.ubuntu.com/10.04/serverguide/openssh-server.html). After setting it, I tried to ...
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2answers
14k views

SSH error: Permission denied, please try again

I am new to ubuntu. Hence please forgive me if the question is too simple. I have a ubuntu server setup using amazon ec2 instance. I need to connect my desktop (which is also a ubuntu machine) to the ...
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0answers
17 views

SSH Server Power Usage [duplicate]

I have just set up an old dell dimension 4550 to run lubuntu primarily as an ssh server for an iPad I have for school. I am worried leaving it on all day will become costly. It would not be connected ...
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3answers
26k views

How to set up remote desktop sharing through SSH?

Is there a way to view (and control) a remote desktop through SSH? I will not have physical access to the remote host machine.
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2answers
2k 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 ...
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1answer
201 views

Match directive breaks SSH

On my Ubunut server 12.04 LTS machine, I try to add a user with only sFTP or FTP access. Let's call him 'Jim' for now. Jim only needs access to a directory /var/www/example.com. So far I've tried ...