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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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 ...
2
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1answer
41 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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SSH connection refusal, unable to ping [on hold]

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
237 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 ...
3
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1answer
41 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
46 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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2answers
2k views

How do I get SSH server to work with putty client?

I have an Ubuntu 12.04.01 desktop PC, 64-bit. It has openssh-server installed. When I SSH to the server from a linux box it works. But when I use PuTTY from my Windows 7 PC to connect then I just get ...
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3answers
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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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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 ...
16
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6answers
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passwordless ssh not working

I've tried to setup a password-less ssh b/w A to B and B to A as well. Generated the public and private key using ssh-keygen -trsa on both the machines. Used the ssh-copy-id utility to copy the ...
0
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1answer
43 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
59 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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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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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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19 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 ...
0
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1answer
118 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 & ...
43
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5answers
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Is it possible to remove a particular host key from SSH's known_hosts file?

Is it possible to remove a particular host key from SSH's known_hosts file? I usually end up deleting the entire known_hosts file, which I have no problems with doing, but just out of curiosity, is ...
34
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3answers
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Does ssh key need to be named id_rsa?

I have come across this problem a couple of times when creating build servers with keyed authentication. I was wondering if anyone else has experience this. I have a couple of keys for my current ...
0
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1answer
119 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 ...
6
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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
357 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
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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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
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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 ...
2
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3answers
893 views

SSH from external network refused

I've installed open-ssh-server on my home computer(running Lubuntu 12.04.1) in order to connect to it from school. This is how I've set up the sshd_config file: # Package generated configuration file ...
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2answers
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ssh: connect to host xxxx@xxxx.in in port 22 : connection timed out

I am new to Linux and SSH. when I try to connect to a remote grid computer (for which I have access) I am getting connection timed out error. I have recently installed Ubuntu in my system. I also have ...
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0answers
45 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
165 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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2answers
106 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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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
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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 ...
2
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1answer
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ssh refusing connection with message “no hostkey alg”

My SSH connections worked well, but from last week SSH from my laptop to my board refusing connection. I can make a SSH connection from the board to laptop, but not vice-versa. I tried that with my ...
11
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1answer
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I am getting a Putty attempted incorrect protocol errors when I SSH into my server from Windows

I have had Putty connecting via SSH to my Ubuntu 12.10 server for several months. Yesterday I began to get the following error every time I connect: PuTTY X11 proxy: wrong authentication protocol ...
0
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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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10answers
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How to solve 'Connection refused' errors in SSH connection?

I have an Ubuntu Server 10.10 32-bit in my home. I'm making SSH connections to it from my PC via Putty. The problem is, sometimes I'm able to login seamlessly. However, sometimes it gives me an error ...
22
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2answers
28k views

ssh: automatically accept keys

I've written this small utility script: for h in $SERVER_LIST; do ssh $h "uptime"; done When a new server is added to $SERVER_LIST, the script is stopped with: The authenticity of host ...
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2answers
473 views

How do I remotely patch openSSH to allow handshake obfuscation?

I believe that my Chinese ISP has started detecting and bandwidth-limiting SSH connections. I'm not using the default SSH port so I suspect that they are using deep packet filtering to detect the ...
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2answers
54 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 ...
2
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2answers
33 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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4answers
4k views

How to setup Remote desktop sharing?

I am using Ubuntu 11.04 and I want to know how can I access another one of my friends system using Ubuntu 11.04 over remote desktop.I have installed openssh-server,Now what will be the next step to ...
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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
233 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 ...
0
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1answer
517 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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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
101 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
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Why ID card reader is not working in Ubuntu 12.04, 12.10? Using Omnikey3121

I have this Omnikey 3121 which is an USB ID card reader. Connected to my Ubuntu. When i try to read Belgiun ID Card or any other card it does not work always missing to provide results. How can i make ...
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1answer
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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 ...
6
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2answers
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SSH Connection Error: No route to host

There are three machines in this scenario: Desktop A : user@1.23.x.x Laptop A : user@1.23.y.y Machine B : user@192.168.z.z All the machines have Ubuntu 11.04 (Desktop A is a 64bit one) and have ...
0
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1answer
394 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 ...