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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File ownership in FTP client displays ID instead of name

Today I'm setting up my first VPS – Ubuntu 14.04 on Digital Ocean. The set up shows owner and group id instead of name. It's not FTP client's settings. It happens only for my new VPS sever. Maybe ...
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63 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 ...
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1answer
168 views

SSH to user from external network says permission denied, works fine from internal network

Okay, I have Openstack installed on a server. I can SSH to the openstack server I have set port forwarding on that server I can ssh to the instance using private AND public(floating) IPs when done ...
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4answers
934 views

SSH onto new Ubuntu 14.04 server

This is my first server I have set up and I used ubuntu 14.04 to run it. I opted not to use the server install because the regular ubuntu was easier to setup. Now I wanted to make the server ...
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0answers
52 views

ssh, problem with headless device

I have Ubuntu 14.04 installed on a headless device. Since the last update and shutdown it is not possible to connect via ssh anymore. nmap shows the machine is up and in the network, all ports are ...
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3answers
51 views

Is there a way to send my IP packets to say node “r” inside network A from a node “y” in network B via SSH?

I have two networks A and B consisting of linux nodes and I want to communicate between the two via SSH: Both networks are separated by the internet. Network A is behind a firewall, and allows only ...
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1answer
2k views

Installing openssh-server on a virtual machine

I am unable to install openssh-server on an Ubuntu 13.10 virtual machine. Here is the command I used and it's output: sudo apt-get install openssh-server [sudo] password for mohamed: Reading package ...
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2answers
6k views

What causes SSH problems after rebooting a 14.04 server?

Why does rebooting a server running Ubuntu 14.04 give me 'Connection refused' errors? I see ssh: connect to host <IP-address-here> port 22: Connection refused but only for 14.04 and only after ...
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1answer
586 views

Imported OpenSSH keys are saved in Gnome2 keyring, not OpenSSH

I have run into a frustrating issue, that I am sure will be a snap to solve. When importing an openssh key via the "Passwords & Keys" (seahorse) program, it simply places it within the "Gnome2 ...
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1answer
376 views

MySQL SSH Connection Setup

I want to connect to a MySQL db (running Ubuntu 14.04) with my Mac (running Mavericks). I will be connecting remote- home to work. How do I setup the ssh connection on MySQL workbench? Also, where do ...
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1answer
286 views

SSH access failure from Ubuntu to Windows XP FreeSSHd [closed]

I installed 2 VMs on VirtualBox. VM 1: Windows XP with FreeSSHd and PuTTY installed.IP address: 10.0.0.2 VM 2: Ubuntu 12.04 LTS Server Edition with OpenSSH installed.IP address: 10.0.0.3 From VM ...
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3k views

Can't change ssh port (Trusty 14.04)

I've been trying to change my ssh port without success and none of the suggestions I've found did the trick for me. I'm on Trusty 14.04 at Rackspace (upgraded from Precise). This is the sequence of ...
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166 views

Ubuntu server 14.04 quotations marks display wrong

When ever the character ' is displayed in my terminal it displays as â. I have never had this with the previous versions of Ubuntu. For example: rm: cannot remove â/etc/init.d/novncâ: No such file ...
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1answer
2k views

Can not install openssh server

sudo apt-get install openssh-server I got this error: Err mirror://mirrors.ubuntu.com/mirrors.txt/ precise-updates/main openssh-server i386 1:5.9p1-5ubuntu1.4 No mirror file ...
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1answer
4k views

Can SSH with IP but not host name?

When I SSH directly to the server's IP address, it works. (ssh michael@10.1.10.129) For reference, here is the resulting prompt: michael@noranetserver:~$ However ssh-ing by name doesn't work like ...
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4answers
5k views

Update OpenSSH Server in 12.04?

I'm having hard time updating openssh-server in ubuntu 12.04, I stupidly downloaded .deb file for 14.04 and of course it didn't work :/ I've tried sudo apt-get -f install, it just removed my openssh ...
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0answers
979 views

How to deal with “Errors were found while checking the disk drive for /” in a server?

It seems a little stupid for a operating system this behavior in a SERVER operating system. The problem is very simple to replicate on Ubuntu Server: just change the date back in time and then reboot ...
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2answers
927 views

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
9k 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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3answers
48k 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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2answers
500 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
318 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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0answers
555 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 could ...
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1answer
3k 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
2k 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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1answer
98 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
951 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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3answers
87k views

How to setup a restricted SFTP server on Ubuntu?

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
960 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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1answer
553 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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1answer
284 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
205 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
550 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
3k 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
54 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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1answer
2k 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
1k 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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1answer
163 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
231 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
603 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
109 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
967 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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5answers
16k views

How can I access my Ubuntu phone over ssh?

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 ...
0
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1answer
9k 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
222 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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1answer
814 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
341 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
265 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
393 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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3answers
474 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 ...