SSH, otherwise known as "Secure Shell", is a method for securely connecting to a remote computer.

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How to open a picture from Ubuntu server, via [SSH on] my laptop Macbook?

I am currently using Macbook iterm2 for ssh connection to my ubuntu server. I am image processing via terminal and want to open the result. What whould be easist way of doing this?
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12 views

using ddclient with namecheap dns service doesn't update IP

I have just set up my first ever home server. I created root, made the IP static on my local network, installed openssh, and can now ssh into the computer as long as i am connected to my homes router. ...
0
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0answers
8 views

SSH with PAM Google

I have a server with Google Authenticator enabled. It worked fine, and one day I tried to login, and suddenly I'm not able to. Fortunately, I do have Ajenti installed with a terminal, so it's not a ...
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1answer
25 views

running python packages from user local directory

I'm on a Shared hosting, with a limited SSH access. don't have sudo privileges. And there are some limitations on some folders, as the following: This is the output of the termial ls -al : ...
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1answer
54 views

ssh keeps asking for a password

I am trying to set up an MPI cluster, following Setting Up an MPICH2 Cluster in Ubuntu tutorial. At the end of step 7, it says that I should not receive a password request, which unfortunately is not ...
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1answer
23 views

cat: id_pub.dsa: No such file or directory

I am trying to set up an MPI cluster, following Setting Up an MPICH2 Cluster in Ubuntu tutorial. However, in step 7, I execute: cat id_pub.dsa >> authorized_keys but I am getting: cat: ...
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1answer
69 views

Passwordless ssh error

I am trying to enable passwordless ssh for Hadoop 2.6.0. The method I tried is as follows: ssh-keygen -t dsa -P '' -f ~/.ssh/id_dsa cat ~/.ssh/id_dsa.pub >> ~/.ssh/authorized_keys I also ...
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1answer
53 views

Hadoop in Ubuntu : Unable to create Passwordless SSH

I am learning Hadoop and trying to create the passwordless SSH following the procedure in define in the Book : Hadoop: The Definitive guide Configuring SSH Pseudodistributed mode is just ...
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2answers
672 views

What is the Ubuntu equivalent of OSX `chmod -h` flag?

In OSX I can set the permissions of the symlink itself (instead of the thing it points to using the -h). From the man page: -h If the file is a symbolic link, change the mode of the link itself ...
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40 views

Port 22: connection refused

I am pretty new to Ubuntu so please if you can answer to this question explicitly. I have two laptops one is running on MAC OS X 10.8.5 (OS X Mountain Lion) and the other one running Ubuntu 14.04 LTS. ...
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25 views

unlock kwallet at login

before plasma 5 I had my kwallet unlocked at login and it worked well (same password for kwallet as for my session). Now, with plasma 5, it does not work anymore, I think I'm not far from working ...
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20 views

connecting ubuntu via ssh in azure cloud :bad file number port 22

I have successfully created virtual machine(ubuntu) in azure cloud,after that i am connecting it through ssh.For the first time its worked and i installed lampp stack an vsftpd on it.But now i will ...
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26 views

Could not load host key: /etc/ssh/ssh_host_ed25519_key in /var/log/auth.log

I have an Ubuntu 14.04 instance running on AWS. I was browsing the auth logs (/var/log/auth.log*), and noticed the following line appearing: Could not load host key: /etc/ssh/ssh_host_ed25519_key ...
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25 views

I can't get ssh:// links to open in a simple index.html webpage

I want to have an ssh link open up on click. I am having students VNC to an Ubuntu VM for them to learn Linux on Cumulus Linux switches. I was reading this thread: How to change what xdg-open does ...
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1answer
40 views

Accidentally run command rm -R in Amazon EC2. Unable to login

I'm using Amazon EC2 for Magento website and WinScp to access SFTP. Sometimes I'm using terminal in WinScp to execute command. Today I need to delete some files so I used rm -R /* and forget to ...
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1answer
48 views

How to create a SFTP (SSH) User with extremely limited permissions

i run a server on Ubuntu Server 14.04. I want to create a user that is able to connect via sftp, download 1 file and terminate the connection. The user should not be able to do ANYTHING else. Browsing ...
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1answer
37 views

Apartment Network Issue

Ok so I'm trying to SSH into my home machine from work/school. Problem is, even though I set up my router appropriately, I can only ssh into it when I am in my apartment's network (not my own ...
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13 views

Enable Vino Script Help

I have been trying to add and enable Vino to our districts Ubuntu laptops but have come up with some issues that I can seems to find a solution to and i was wondering if you might be able to assist. ...
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14 views

Linux VPS - OS X SSH Tunnel / SOCKS Proxy works but cannot get to work in Windows [closed]

I setup an ssh tunnel to my ubuntu VPS from an OS X machine like this: ssh -p 12345 -N -D 9999 root@128.222.222.222 password: * etc. I have tried to follow many a guide on how to use either putty ...
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2answers
32 views

rsync over ssh “error in protocol data stream” (code 12). ssh works

I tried: rsync -v -v -e 'ssh -p YY' ./testfile me@XXXXX:/home Error Message opening connection using: ssh -p YY -l me 146.6.84.206 rsync ->-server -vvve.s . /home [sender] ...
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1answer
30 views

setting up a SSHserver [closed]

Could anyone explain me the configuration for a SSH server. I am new to administration so not fully aware of the options available at the config. My purpose here is to create a SSH server. And what I ...
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2answers
23 views

Is it possible to sign in to server via SSH without SSH key?

So what has happenend, is that I have a Ubuntu 14 server. I have my SSH key uploaded to the server, and a password. I only have one user; root. The problem is now, I formatted the computer on which I ...
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1answer
48 views

Why does shutdown from a remote terminal fail to power off my machine? [duplicate]

I have noticed that if I shutdown Ubuntu 14.04 from a remote terminal via ssh and running sudo shutdown now, the machine does not power off. If I use the GUI (shut down using Unity on the machine ...
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19 views

SSH by key incredibly slow

SSH connecting with key, from my machine suddenly got incredibly slow (~10sec!). It is not a server or DNS problem as far as I can figure out. The problem suddenly appeared after a simple apt-get ...
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15 views

SPAMHaus/ CBL Blocking List:: UNIX System (Firewall)

I am no linux/ unix guru but CBL and Spamhaus are blocking us every 8 hours roughly and recording it as SPAM. I have completed their instructions to do the following but am concerned i have done it ...
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1answer
27 views

Search specific word inside document using ssh [duplicate]

Currently i have to analize some big files looking for a espefic word in .css located on my /var/www/ located on ubuntu server (ssh). There a way to make something like Ctrl+f in windows ...
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1answer
37 views

scp - files getting different sizes in destination folder

While using scp, the total file size was noticed to be 0.1G less in the destination folder and, a few files were noticed to be larger in size in the destination folder. What could have caused this? ...
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1answer
13 views

'Screen -h num ' not working on ubuntu

I am logged into my remote server using ssh and then running a process using screen. I started a screen session using screen -h 5000 so that I can scroll up the screen to see the console output. But ...
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28 views

Send text from remote ssh to login screen [closed]

I've a Ubuntu machine which runs 15.04 unity desktop environment. I've successfully set up remote ssh using openssh. I want to remotely start graphical applications (on the remote machine) which I do ...
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2answers
15 views

Created a new OpenSSL key and I don't know where my CSR file is?

Still learning a lot about Ubuntu and server management. I need to generate a new SSL certificate and I have followed a tutorial on how to create the CSR file. I ran the following command: openssl ...
3
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1answer
31 views

OpenSSH client not connecting after deleting id_rsa

So I stupidly overwrote my id_rsa and id_rsa.pub files earlier, and I just decied to rm -rf the whole .ssh folder because it was all corrupted/broken after tinkering with it. Ever since that when I ...
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1answer
22 views

“xsp4 address already in use” and “access forbidden”

I'm taking over a project from a coworker who recently left. I'll be working by myself on a website that runs on ASP.NET through mono on a xsp4 server. I'm new to linux and the ASP.NET framework so ...
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1answer
29 views

Can a user with ssh keys set their own password after logging in with keys without knowing their password?

I'm playing around with a script to create a user across a number of machines. I'd like to not know the users password at any time, but having the public SSH keys is quite acceptable to me. The user ...
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12 views

How to forget sftp password in Nautilus (none in seahorse)

I added the entry sftp://daniel@<somedomain> to my bookmarks in Nautilus. The first time it was accessed it asked for the password but never after that. I cannot remember which option I selected ...
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2answers
51 views

ssh with .pem file to amazon instance Permission denied (publickey)

I am trying to login to instance on amazon using, my ".pem" file has 600 privileges: ssh -v -i FTPServer.pem ec2-user@ec2-xx-xxx-xxx-xxx.compute-1.amazonaws.com i tried all possible users ...
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1answer
56 views

Cannot SSH into home desktop

I've installed openssh-server, I've edited /etc/ssh/sshd_config to look as follows # Package generated configuration file # See the sshd_config(5) manpage for details # What ports, IPs and protocols ...
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1answer
32 views

SSH to Ubuntu Desktop [duplicate]

I've setup an SSH server on my Ubuntu desktop at home using a dynamic DNS service (NOIP). I have a wi-fi-only Android tablet running Android version 4.4.2. Port 22 is forwarded, ufw is disabled ...
2
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1answer
86 views

Messed up with my ssh_config file. How can I recover the original file?

I was setting up ssh on Ubuntu. I accidentally copied the contents of sshd_config in ssh_config file! Is there a place where I can find the original one? Fortunately I didn't touch the ssh_config. I ...
2
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0answers
23 views

Openstack, Connecting to nova, error: Cannot initiate connection

I am new to Openstack, I've installed it using devstack. I launched an instance using ubuntu server cloud image with heat flavor. I can ssh to the instance. The problem is when trying to do: sudo ...
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58 views

How to fully disable kde wallet?

I'm on kubuntu 15.04. I'd like to use ksshaskpass, but whenever I run it, I get requestor to create kdewallet. I did disable kdewallet, as shown in How to disable KDE Wallet? , any my config files ...
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47 views

Ubuntu server 14.04.02 unresponsive with most of the commands (Ping, etc…) after apt-get dist-upgrade

[EDIT] Seems solved, problem with name resolution suddenly disappeared [/EDIT] I have a Ubuntu Server 14.04.02 on a private server with generic kernel installed, that I can still SSH into. Welcome ...
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1answer
9 views

Disallow VNC if not via a SSH tunnel?

How can I disallow VNC if the connection isn't via a SSH tunnel?
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1answer
32 views

Openstack, ssh ubuntu instance: permission denied

I've installed devstack, downloaded a trusty ubuntu server image, launched a heat flavor instance, created a public ssh key, all fine. But when trying to log in with ssh -i key.pem ubuntu@ipAdress I ...
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6 views

SFTP Help with Public Keys [duplicate]

So I feel like I'm hitting a wall with openssh. Steps that I have taken: I have setup a usergroup called ftp, added a user(lets say user1) to the group. I then setup openssh, here is my edited ...
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46 views

Redirect traffic flowing into SSH server to privoxy, then to TOR

I own a Ubuntu VPS that I am using for SSH tunneling. I want the traffic to be redirected to TOR network. Some research showed that I can do it by using Privoxy, that will accept traffic from SSH ...
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Multiple sftp users and access to a /var/www subdirectory

I have some users on my Ubuntu server with vsftpd installed. The server is used as web server and has a shared sftp directory that is accessed by public clients (by giving them the user and password). ...
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1answer
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Secure Shell isn't propery loading .bashrc

I've got a seemingly simple issue - I have a 15.04 server that I connect to via ssh. Currently, I have a couple of folders added to my PATH environment variable in my .bashrc file: #... (rest of ...
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1answer
162 views

Unable to ssh remote unlock encrypted ubuntu server 15.04 using dropbear/initramfs

So I'm trying to set up a brand new Ubuntu 15.04 headless server with full disk encryption and remote unlock capabilities. I've done this successfully on a raspberry pi running Raspbian-Wheezy, and ...
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14 views

sftp with triple ssh hops

I want to transfer files (in both directions) between my computer ("comp1") and a remote computer ("comp2"). In order to connect, I need to pass two servers along the way ("server1" and "server2") via ...
2
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0answers
40 views

udev/dpkg error

I'm getting this strange output every time I try to execute a command through SSH on my VPS (Ubuntu Server 15.04) which doesn not allow me to install anything. Any suggestions ? Job for ...