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

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My ssh connecting time is slow. How can I correct this?

My connection was very slow while I was trying connect to a server. ssh -vvv username@server_ip OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading configuration data /etc/ssh/ssh_config ...
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51 views

Setting up a preferred network interface in linux

I need to set up the network interfaces of a linux box running Ubuntu Server. The box will be deployed in an industrial vehicle and will operate headless (i.e. no monitor, no keyboard/mouse). The ...
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52 views

Ubuntu 12.04 server reboot issues after updates

I have a 12.04 LTS ubuntu server (I used the how to forge guide to setup apache, php, postfix, dovecot, bind and ISPConfig). I have noticed a somehow random reboot issue which I have eventually ...
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67 views

Unable to reach server by SSH

In a state of "only 10 more minutes left until the weekend" I did an apt-get upgrade last Friday to ignorantly fix the reported shellshock error. The upgrade seemingly went fine and I logged of the ...
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100 views

Passwordless ssh not working?

I set up passwordless ssh between my Ubuntu 14.04 desktop laptop and my server running Ubuntu Server 14.04. It was all working. Then, I rebooted my server, and after that it stopped working. I tried ...
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25 views

Is it possible to forward Windows… windows into Linux? (Like unity/seamless or xypher)

If this is a "bad question" or otherwise something you mods want to close... please at least direct me somewhere that could answer it, because that kind of thing happens to me a lot and I end up ...
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101 views

Ubuntu 12.04: pam_motd sometimes displays only partial MOTD

This isn't a very big deal but it really irritates me somehow. We have a large number of machines running Ubuntu 12.04 (server/amd64) which i frequently ssh into. We have the standard set-up for this ...
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677 views

SSH into Ubuntu server (14.04.1) Using mac terminal (os version 10.9.4)?

I am having difficulty connecting remotely to the ubuntu server from the mac terminal. So far I have run: sudo apt-get install openssh-server when I try to connect via the ip address I get an ...
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187 views

vi issue in SSH TTYs to Ubuntu 14.04.1 LTS

After upgrading my server to Ubuntu 14.04.1 LTS, I can no longer use the vi editor to edit anything in an SSH terminal (I access the server by launching ssh sessions from Cygwin running on Windows). ...
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67 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 ...
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158 views

/dev/mem: mmap: Operation not permitted: Using dmidecode

I am trying to get my BIOS firmware version, and memory info using dmidecode. I am connected to the server through ssh as a root user. We recently just started moving our servers from Debian 6.0, to ...
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229 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 ...
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30 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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787 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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13 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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235 views

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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54 views

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 ...
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35 views

SSH to cluster under a VPN

My university requires that I connect to VPN, in order to connect to our cluster. I have, after a long struggle, managed to connect to the VPN using the FortiClient VPN command line interface. My ...
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41 views

Server Upgrade an 'end-of-life' Server from ISO over SSH

I have read that it is possible to upgrade ubuntu from an ISO image, but would the same be possible from a remote location over SSH? After mounting the ISO, what command would I use to upgrade? I ask ...
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42 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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888 views

Black screen when accessing Ubuntu remote host via VNC and vino-server

I have a headless server and I am trying to setup a VNC connection in order to access it with a GUI. Now I have only root access via ssh. I have followed most of the instructions given here Enable ...
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272 views

cannot use visual mode GUI through ssh -XY <ip_address>

I am using ubuntu 12.04, and I am trying to ssh to log into a remote server which is also running ubuntu 12.04. I am using "ssh -X ". I can log into the remote server smoothly, but cannot use the ...
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129 views

Moved a VBox guest to a physical host; network is up, but OpenSSH is not. Why?

I've come a cross an issue I really don't understand. I wanted to install Ubuntu Server on a headless box I have. The desktop sits right next to it, and adding and removing disks are very easy, so I ...
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50 views

Is it possible to login into lightdm interactive screen remotely?

I have this big Ubuntu desktop that dubs also as a home cinema PC. When I feel lazy, I'd love to be able to run the PC remotely and watch movies from my bed. I can turn it on via WoL. I can launch ...
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86 views

Reaching a login limit over SSH - How can I open more than 11 sessions?

I have a SSH connection to my Ubuntu VPS. I use it to create a proxy tunnel and it works well. I use Nethogs and "w" command to monitor the traffic. Nothing bad happens until I reach @pts/11. When ...
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53 views

Connecting to Ubuntu host not possible

I have an Ubuntu-Host which is connected via wlan (and for testing to wired net) to a local net. This Ubuntu-Host is not reachable via network by any other clients on the same network. But: If I do a ...
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68 views

'ssh -x -a -oClearAllForwardings=yes' running on my machine

I have a process with the following name: ssh -x -a -oClearAllForwardings=yes -2 user@host -s sftp running on my machine, not for the first time, and I don't remember running such (I have obscured ...
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2k 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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564 views

pam_systemd delays SSH login - required?

On our Saucy servers (13.10) we are seeing long delays when logging into the systems via SSH. I figured out it is related to the line session optional pam_systemd.so in ...
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602 views

User has no permissions in sftp

I installed LAMP in my Digital Ocean droplet. I have successfully logged in to SFTP. However, when I try to do anything in my /var/www/html/ folder it says permission denied. It may be worth ...
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51 views

Non privileged user launch SSH?

My server got hacked, and as a result the server guys decided that my apache user would be one called 'nonpriv' which has no privileges at all. Before that happened, I had a user that run apache ...
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490 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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118 views

ssh dynamic socks server running in the system is not accessible from outside

I have an infrastructure hotspot setup on my Ubuntu machine using ap-hotspot. I connect to this hotspot from my Android phone and am able to access the internet through this. Now, I have a ssh ...
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43 views

Why would SSH ask for password every other day?

So I've been using ssh for quite a while with a server for the company I work with. Since about a month ago ssh keeps asking me for my passphrase for the rsa key, mind you, it does it every other day. ...
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49 views

Disconnect Idle session

I am on Ubuntu 12.04 LTS, no GUI installed. I want to configure the disconnection of a user (ssh and terminal) if their session is idle for 15 minutes. I tried to add the following to /etc/profile: ...
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cluster, PXE boot, without disk

I would like to build a cluster to handle converting the movie. At home I have 12 dell without disk. All C2D 1Gb DDR2. The assumption is such that - One server connected to the switch. master - All ...
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Desktop's “Connect to Server” function repeatedly asks for SSH password after connecting

I would like to use the "Connect to Server" function (available from the Ubuntu desktop menu) to open a Nautilus window showing the file system of another machine through SSH, since I find it easier ...
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231 views

Backup files and folders on Qnap Ts-421

I have a ubuntu 12.04 desk that I use as a file server, I have a Qnap turbo NAS Ts-421 that I'd like to use as a backup destination. I've enabled smb, nfs, ftp, and ssh and the firmware is the latest ...
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87 views

sshfs: wrong permission on server

When I mount a remote directory that is on my server using sshfs and I create a file in that directory the permission are set not as I like. I use this command: sudo sshfs -o ...
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artillary is not with SSH in ubuntu

I have installed Artillery in Ubuntu 12.04 LTS. I have started artillary and started that service with service artillery start while I am doing netstat -nltp | grep LISTEN why SSH port number ...
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89 views

How to allow multiple users to use the X display?

I got a physical machine running Ubuntu 12.10 server edition along with a X server + Unity. I would like to remotely connect to this machine through SSH to run a graphical application over the remote ...
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keep track of all logins and logouts

The system is using wtmp to keep track of all logins and logouts to the system. Since the new year, it doesn't keep track for more than a day. For example when I look at all logins I see the ...
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571 views

Not able to connect to Vmware ubuntu using Putty in Windows 7

I have installed Vmware Ubuntu in my Windows 7 PC, with network settings as Bridge connection. I got IP address in Ubuntu as "192.168.1.3" and I am able to ping that IP from my Windows host, but when ...
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how to quit sshuttle and get system networking back to normal in VBox

I love sshuttle. My new fav toy. But...when i run from the command line and I use ctl-c to quit....my networking is screwed and I have to restart the VM. Using 12.04 Here is how i start from the ...
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146 views

How to ssh tunnel to ec2 for running a local python script

I can create a tunnel for FF using the below on Ubuntu. Machine is 12.04 in a VBox on a mac host. -i ~/.ec2/aws_development_oregon.pem -C2qTnN -D 8080 ubuntu@test.com But..what I need is for my ...
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Permissions problems with Ubuntu 12.04 Web Server (Nginx + PHP5-fpm)

I've been trying to wrap my head around the permissions system on Linux, but I'm having some problems. I setup a web server using the Tuxlite.com script and everything works fine, as long as I login ...
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98 views

See Byobu Screens using ConnectBot

I use ConnectBot sometimes to connect to my ubuntu machine, and that works fine, however it just comes up with a standard shell, not my byobu screens that I get when I connect to it using another ...
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Allow users to access specified IPs only

I have a computer that offers both a VPN and a SSH server running three (separated) VPN networks. All users log into the server via ssh. However, I want that only certain users can communicate to ...
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how do i set up a remote desktop connection on a VPS using terminal access (12.04)

I dont know much about Linux and I want to learn more so i signed up for a VPS. i want to use some form of remote desktop and so far i am failing. i think i've setup xrdp and vncserver on the linux ...
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52 views

SSH keys don't work on KDE

I've got my ssh keys working on Gnome and XFCE (using gnome-keyring). However when I switched to KDE, then it doesn't work at all. What's more, even when I start ssh-agent, and add keys, and try to ...