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

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Ubuntu subversion repository not getting checked out

I have some problems with checking out my repository. First, I ensured that everything is up to date: ubuntu@ip-172-31-10-247:~$ sudo apt-get update perl: warning: Setting locale failed. perl: ...
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1answer
36 views

How can I SSH to remote server through VPN, running on a VM?

I have an Ubuntu VM that is connected to a VPN (using OpenConnect on Ubuntu), and I want to SSH from my OS X host to the VPN through Ubuntu: (osx_host) --ssh--> (ubuntu_vm) --ssh--> ...
2
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0answers
52 views

How to start/configure pulseaudio remotely with ssh?

I have a remote machine to which I can ssh. On the remote machine there is a program that uses pulse audio to get input from a USB microphone attached to the remote machine. This setup works fine when ...
3
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2answers
475 views

Can Ping but Cannot SSH to Openstack VM Instance

Have a multi-node MAAS-JUJU-Openstack setup, i.e., nova-cloud-controller, nova-compute, and quantum/neutron gateway are on separate hosts. In this setup, MAAS and openstack share 10.0.0.0/24 as their ...
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X11Forward Ubuntuserver - cannot open Display on Android-Tablet

After some day's searching and testing what google etc. tells, i could no find any help for my problem. I have an Ubuntu 14.04 server (10.0.0.99) with Lightwight X11 Desktop Enviroment. I have ...
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3answers
668 views

Cannot SSH/SFTP to remote server without using another remote server

I can access a server A with SSH, and from there I can access server B, but I can't access B directly. Is it possible to open a Nautilus folder in server B by clicking in Places → Connect to Server?
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1answer
4k views

host key verification failed from “connect to server” utility

I am able to use SSH from terminal but I am not able to use it from "connect to Server.." utility. it is showing the error in the dialog box as below: Cannot display location ...
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0answers
30 views

SSH user problem

I am sort of a Unix newbie, trying to set SSH for my 12.04 server. I have 2 users in my system one has password the other does not, both are set as admins. My object is have the passwordless user ...
4
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1answer
4k views

How to increase screen resolution in Hyper-V

I am using Ubuntu 12.04 on Hyper-V in windows 8. I want to increase the resolution so that Ubuntu window can occupy my whole screen. Does anyone have any idea of how it can be done ? I found one ...
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1answer
26 views

ssh to different network inteface?

I don't know the right vocabulary to more succinctly ask this question or to search for duplicates: Someone who knows what I'm trying to ask, please edit the title of this post to be more accurate. ...
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3answers
41 views

How do you limit root to no more than 1 login at a time?

I took a practice test for a cert and one of the questions was "Limit root to no more 2 simultaneous logins, make this configuration persistent between restarts". I didn't even really know this was ...
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3answers
42k views

In SSH, how do I mv to my local system?

Probably bad searching/not knowing the terminology, but: I've managed to ssh into my webhost's directory for me, and tar the webapp I want to back up and download. But when I try to mv to ...
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22 views

ssh-agent keeping key unlocked longer than it should

I have been having some issues regarding my ssh passphrase and ssh-agent. My intent is that I would like to be prompted for my passphrase for my ssh key everytime I close my terminal an then try to ...
6
votes
3answers
116 views

Cannot SSH from outside LAN despite port forwarding seems fine

Running Ubuntu 12.04, I've set up the OpenSSH server. I can connect from within LAN, but not from outside. I am using the same sshd_config file as on my other Ubuntu 12.04 machines (that sit in a ...
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0answers
27 views

Create FTP account with vsftpd limited to one folder only?

Have a fresh Ubuntu install 14.04 on digital ocean. Just installed vsftpd using this guide: https://help.ubuntu.com/12.04/serverguide/ftp-server.html#vsftpd-userauth-configuration The only things I ...
27
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8answers
9k views

How to set up a headless server?

I have a ubuntu development server at work. It is an old rack server that is located somewhere in the company's dungeon, where nobody ever goes. The only way it can work is as a so-called headless ...
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0answers
20 views

How I got my error: malformed file

This question on askubuntu is about the error: malformed file Not only here on askubuntu, but everywhere else I've been reading about it, this is considered certain to be a GRUB issue. I thought it ...
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0answers
15 views

Fresh install of ubuntu SSH only working from localhost

I installed the latest version of ubuntu on ESXi as a VM. I then installed openSSH and it worked once from a remote machine and got hung up when trying to execute a command on mysql. Ever since I ...
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1answer
42 views

SSH failing to connect

I'm trying to set up an SSH connection to my DDWRT router. I followed instructions on generating a key pair in the Ubuntu documentation SSH/OpenSSH/Keys but I'm not able to connect. The debug ...
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0answers
69 views

SSH connection failing since I changed server port number

Yesterday I changed the default ports on the server from 22 to 1993 then restarted but now I can't connect at all. I used ssh -i keyname.pem ubuntu@remotehost to connect then sudo vi ...
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0answers
27 views

Stuck trying to Securely access my home network from my Android phone over 3g/4g

First, I am able to use simple port forwarding on my router to access each IP cam individually. This is an unsecured method and is exactly the solution I am trying to get away from. I am a Linux ...
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0answers
9 views

SFTP Excecute Bit does not seem to be working correctly

I am trying to replace an existing FTP server and switch the users to be using sftp. We have some strict requirements as far as permissions required on the folders. For instance on the user's FTP ...
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0answers
51 views

Ubuntu 14.04 LTS couldn't reach Internet / Router Problem?

I have a big problem! My Setup is a Ubuntu 14.04 OS with everything up to date! also the kernel is updated to 3.16. this NAS is directly connected to my router (TP-Link WDR4900v1) that has openwrt ...
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0answers
29 views

VNC across the internet through SSH tunnel to another machine on LAN?

My family often gets me to help them with computery things that they can't do themselves, but this has become difficult as I've moved to another city to study at university. I managed to set up a ...
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26 views

XRDP vServer not connecting

i have bought a vServer recently. Now i can connect via putty. Also i can login. I installed ubuntu-desktop and xrdp via apt-get install. I have done that all on putty console. I even restarted xrdp. ...
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2answers
93 views

Docker. How to get bash\ssh inside runned container (run -d)?

I want to ssh or bash into runned docker container. Please, see example: $ sudo docker run -d webserver webserver is clean image from ubuntu:14.04 $ sudo docker ps CONTAINER ID IMAGE ...
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2answers
3k views

How to avoid typing ssh-add everytime

I read and followed some online documentation on how to set up a ssh-agent so that I don't need to type in password every time I ssh to a remote machine. However, with the help of ssh-agent, I still ...
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1answer
48 views

Copy data held by www-data over ssh

I have an apache server (machine #1) holding a database which I want to rsync distantly (the server is actually owncloud, for those who know). My data is maintained by the server and its rights are ...
0
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1answer
68 views

Unable to initialize frontend: dialog when using ssh

I am executing the following command over ssh in a testing environment, as root: ssh <remote_srv> "apt-get autoremove" In my sshd_config I have "PermitRootLogin without-password" and I have ...
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0answers
20 views

SSH for ubuntu touch [duplicate]

For some reason, while I am trying to connect to SSH on my Nexus 7 2013 I keep getting this error message: Permission denied(publickey) Can someone explain how to properly setup SSH for Ubuntu ...
4
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3answers
13k views

How to log off an user from SSH? [duplicate]

I am able to see logged-in users via the who or last command. How can I log off a particular user who login through SSH?
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18 views

OpenMPI Error: unknown option “--tree-spawn”

I am trying to configure two pc for working with openMPI, i installed openmpi and openssh on the PCs but when i execute: mpirun -np 4 -host slave ./a.out i get: [slave-901:07002] Error: unknown ...
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2answers
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Ubuntu VMs with static ip address in VirtualBox

I'm a beginner in networking and try to setup multiple Ubuntu VMs on VirtualBox for the learning purpose. For the multi-node Hadoop cluster setup, I installed VirtualBox in my laptop and installed ...
0
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1answer
31 views

Don't let anyone to ssh on my PC

When i am in a network, and others know my password, they can easily ssh on my PC. I want to log them out when ever they try to ssh on my PC. And mail that log ip to root. So what should i do, ...
2
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1answer
22 views

timeout during ssh connection

I have an ubuntu pc in my office. I can use this computer through teamviewer. But I not use ssh connection. This is my office computer: donbeo@donbeo-OptiPlex-790:~$ sudo service ssh status ...
2
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2answers
141 views

SSH login without password not working from rc.local

I have created a bash script as follows and saved it as /usr/bin/db.sync.sh: #!/bin/bash rsync -ar --delete /files/database_backups slyme@192.168.1.4:/users/slyme/Documents/server_backups I have ...
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0answers
57 views

Not able to configure SSH in Ubuntu 14.04 LTS

I downloaded and installed Ubuntu 14.04 LTS on my VM and found that SSH was not working. Tried following but nothing worked: sudo apt-get install ssh I see only openssh_client installed, I don't ...
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3answers
2k views

make my ssh key expire automatically

I sometimes use ssh to connect to a remote machine. Once I enter the passphrase once, I can use ssh again without the passphrase, but even if I come back a long time later, it still doesn't ask me, ...
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8answers
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How to prevent “Write Failed: broken pipe” on SSH connection?

What can I do to configure SSH on both client and servers to prevent Write Failed: broken pipe errors? It often occurs if you sleep your client computer and resume later.
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6answers
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How do I change my username?

Some time ago when I installed Ubuntu I chose a rather stupid username for my account that I do not want to use anymore. How do I change this (including the name of my home directory) without ...
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1answer
2k views

How to address ssh-server with a subdomain for remote access?

I am trying to set up ssh-server on my Ubuntu 12.04 VM (running in VirtualBox on Mac OS X 10.7). I have a domain name, call it foo.com, and I'd like to make ssh available via ssh to linux.foo.com. (I ...
106
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12answers
78k views

How to keep processes running after ending ssh session?

Let's say I launch a bunch of processes from a ssh session. Is it possible to terminate the ssh session while keeping those processes running on the remote machine?
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4answers
4k views

How do I SSH to machine A via B in one command?

I want to access a computer, say machine A which is based in my university's network. However, this computer is only accessible via the internal network of the university, so I can not use SSH to this ...
2
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0answers
49 views

Refused connection of ssh

I installed openssh on my new Ubuntu14.04 server, turned on ssh, and enjoyed it after I finished installation. Every thing was fine; however, after just one night, I was blocked when using putty as ...
0
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1answer
36 views

How can I configure a second SSH key + user for a single server?

I have a SSH key which is passphrase-protected. Authentication to the server is by SSH key only, password authentication is disabled. Both the server and my desktop run Ubuntu 14.04 and authentication ...
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0answers
8 views

Some advanced SSH tunneling HASHING IP address

Is it possible to to stay in total anonymous mode for the VPS provider? I have got a VPSVZ machine with UBUNTU server. Is it possible to do anonymous tunneling: VPS1 -> VPS2 -> VPS3 (all UBUNTU) ...
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SFTP/SSH Not Working in Ubuntu Touch

It was working before but now it stopped working. Even in Ubuntu SDK I can't run my application directly to my device...though I'm not sure they are related. The error is: Command: open ...
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1answer
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cannot ssh via inadyn and freedns

I am having trouble getting ssh to work with a dynamic IP address. I have two laptops, one host and one guest. I have ssh set up on the host and I can ssh in from the guest as long as I know the ...
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0answers
51 views

SSH LOCALE setting

I use SSH to connect remote PC. When I've connected I have wrong LOCALE configuration. And every time I have to execute command: export LANG=en_US.UTF-8 My local and remote user LOCALE already set ...
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how to change desktop background in ubuntu desktop

I was using gnome desktop environment at the start but i switched to unity environment by install unity shell via this command sudo apt get install Ubuntu-desktop after this I have many issues like ...