Tagged Questions

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

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12 views

If I turn on the Firewall I cannot connect to the internet

I run GUFW but even on any setting I cannot access the internet if its turned on. Why would this be? I also noticed in the "Listening" box that theres a lot of info going on which I don't understand ...
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2answers
29 views

SSH + Keys + noip

I'm hoping you guys can help. I've been searching for along time with reading the information on noip.com and couldn't figure out anything. I've set up an SSH server on a home computer. I changed ...
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0answers
58 views

Trouble ssh connecting with Putty from windows to ubuntu

Hello all I've been looking all over this form for answers but I just can't seem to get it right. First time ubuntu user, and linux user for that matter. I have openssh-client and openssh-server ...
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votes
1answer
23 views

Restrict users to sftp access only

I want to jail a group of users with access only to a /var/www/mysitename.com pattern of directory via sftp alone. I do not want to provide shell access either.
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0answers
25 views

no longer able to log into ubuntu computers on lan using ssh and ssh clients

I have a mix of windows and ubuntu linux machines on my home network, and had been able to use ssh. Now when I try to login over my LAN to one of the linux machines using putty I get a "connection ...
1
vote
0answers
34 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 ...
0
votes
1answer
46 views

ssh-copy-id no identities found ubuntu error

I have two machines that were setup exactly the same with the same name and users and everything exactly the same. Each machine has two users with this names userA (userA@UserA) and userB ...
0
votes
1answer
16 views

SSH keyfiles not found after changing desktops

Recently I changed my desktop from Ubuntu default (Unity) desktop to Kubuntu desktop. What I cannot understand is why this causes errors with my SSH keyfile configuration. F.E. there is a "user" user ...
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0answers
49 views

Cannot SSH from Ubuntu, but can from Windows

Since the past few days, I cannot SSH to any server from Ubuntu! I am not sure why or how it began. When I try to SSH to any server, connection is established and I see the prompt for password. If I ...
0
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2answers
38 views

How to connect to my computer from a chromebook via SSH?

I have Ubuntu 14.04 on my desktop and I'd like to be able to remote into it when I'm on the road. How can I set up my desktop to allow me to connect remotely from my Chromebook via SSH? How long would ...
0
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0answers
19 views

Secure SSH Server from brute-force? [duplicate]

I'm just a newbie in Linux and recently got a VPS (Ubuntu 14.04 LTS Server). How can I secure its ssh server from brute-force attacks?
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0answers
14 views

Duplicating motd and more

Here's what it is currently like: Last login: Sun Oct 5 12:35:30 on ttys000 Corys-Mac-mini:~ cory-$ ssh cory@192.168.1.209 ////////////////////////////////////////////// ...
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0answers
36 views

14.04: How to ssh/scp as root with NO password prompting? [duplicate]

We upgraded from 12.04 to 14.04. We have a dozens of processes that perform automation tasks for us and we use root with ssh/scp. After the upgrade root couldn't ssh/scp into the servers at all. We ...
0
votes
1answer
94 views

Vagrant won't run when setting up Homestead

I went through all the steps from this manual of how to setup Homestead. I've got a problem, when I try to run the vagrant box: mysystem@me:~/Google Drive/Homestead$ vagrant up Vagrant failed to ...
1
vote
1answer
49 views

login to “front end gui” from ssh (together with Synergy)

So, I have 3PC on my desk, all running ubuntu 14.04 64bit. and all running the latest version of Synergy, so that I only use one keyoard and one mouse to control 3 PCs and 4 monitors. this works ...
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0answers
17 views

No windows partition's avaliable

Ok so, I'm connected to my laptop remotely via SSH. I have 3 partition's 2for win and one for Ubuntu. I wanted to check something on my windows partition but it's not showing up.. The worse is that it ...
0
votes
1answer
66 views

OpenSSH/Git Problem under Ubuntu 14.04

I'm using Ubuntu 14.04 and am trying to clone a git repository via ssh. Unfortunately this does not work due to problems with openssh-client. In the beginning I was unable to connect to the SSH ...
0
votes
0answers
12 views

Tripewire database and PTS for remote server

I am tried of the false positive caused by Tripwire scan finding that /dev/pts/0 has been removed. This connection is created for my SSH session when I remotely manage the system and update the ...
0
votes
1answer
53 views

ssh with pem file as someone else

I have a development machine and a server. On my development machine I am logged in as akonsu, on the server I use user ubuntu. On my development machine I have created an RSA key pair, and I have ...
0
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0answers
33 views

Installing Google 2 step Authentication causes SSH to not connect

I am following the instructions here https://www.digitalocean.com/community/tutorials/how-to-protect-ssh-with-two-factor-authentication After making the changes listed to /etc/pam.d/sshd and ...
0
votes
1answer
79 views

DigitalOcean droplet root password not accepted for client, but works for console

I have an Ubuntu 14.04 droplet with PubkeyAuthentication set to yes and PermitRootLogin set to no. Since I created it, my pubkey has worked fine. For some unknown reason today it's not accepting my ...
0
votes
1answer
31 views

Locked myself out of remote server

Before I left, I've set up an old computer with Lubuntu 14.04 32-bit. While trying to set up rtorrent, I did something to lock myself out while following this tutorial. Normally my computer has one ...
0
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0answers
64 views

Sickbeard start service on boot not working: Permissions issue? [duplicate]

I've just installed Sick-Beard on my server. Starting the service via SSH works just fine, as I issue the command sudo service sickbeard start However, I can't get the service to start on boot. ...
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0answers
27 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 ...
0
votes
1answer
71 views

How to set up ssh on a lubuntu vm (VirtualBox) and windows host

I've set up a Lubuntu vm using VirtualBox on my Windows 8 desktop and I want to connect my laptop, which is dual-booted with Windows 8 and Ubuntu, to the Lubuntu vm via SSH. I've gotten as far as ...
1
vote
1answer
122 views

do-release-upgrade via ssh

I am using Ubuntu on a vps via ssh. I run do-release-upgrade try to update from 12.04 to 12.10. The update seems to be successful. But after restarting, I can not login via ssh( bad file number 22) . ...
2
votes
2answers
236 views

CVE-2014-6271 over ssh example attack?

I've been reading about the CVE-2014-6271 bug on lots of pages, but I'm still not able to understand how exactly is it possible to exploit it over ssh. From all I've read, I couldn't find an example ...
2
votes
0answers
261 views

Using SFTP with SSH ForceCommand directive

I have set up an SSH server (call it group2.fqdn) with this ForceCommand directive: Match Group group1 ForceCommand ssh -t group1.fqdn Match Group="*,!local,!group2,!root" ForceCommand ...
0
votes
0answers
38 views

Networking issue in IBM x3650 after install Ubuntu 14.04.1

I have a problem making TCP connections after a fresh Ubuntu 14.04 installation. First of all, after booting the interface is always off, in my case em2(manually configured), so I turn it on using ...
1
vote
1answer
66 views

How to access a git repository using SSH?

I have the public key. I think this is needed for the SSH connection to the server where the git repo is located. Now I don't know how to get the code. Can someone please tell me the complete ...
1
vote
1answer
34 views

Prevent SSH from logging out after running initial commands

I'm using ssh to connect to a remote Linux machine like this: ssh -i .ssh/path/to/id_rsa -p 22 user@host 'cd /path/to/dir' I'd like some commands to be executed upfront (such as cd /path/to/dir) ...
0
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0answers
54 views

Why is my SSH session so slow when Dropbox is uploading?

When Dropbox is uploading, my SSH session to a remote server (a DigitalOcean droplet) is extremely slow. By slow, I mean the latency is very high: I type a word and it appears in the terminal 5+ ...
10
votes
4answers
755 views

Identify the server I'm working at

How to identify which server you're on when using ssh from terminal? I have to ssh into 30 servers daily, and switch between them constantly. Currently I'm editing the tab name and writing the IP ...
2
votes
1answer
204 views

remotely log out of (graphical) gnome session

I have a (graphical) login session running on an office computer, and I'd like to log it out to save on a few computer resources. I can ssh to the office box, but when I try gnome-session-quit I get ...
0
votes
0answers
64 views

Ubuntu OpenSSH having issues connecting to Cisco router. No such issues with other distro or OSX

Below is the output from ssh -vvv user@host. I've tried this on two separate computers running Ubuntu. It works from Opensuse and OSX, and also my Android phone. Interesting issue. Any suggestions ...
3
votes
5answers
254 views

Cannot delete Directory, doesn't exist?

Somehow this folder got created when i was logged in via sftp. "Sep 19 18:50 " I tried to delete it via sftp. Tried to SSH in and delete with rm -rf as root Error: rm ...
1
vote
1answer
94 views

How to lock down SFTP user?

I really need some help, I have been trying to jail a user using ubuntu. Thing to note: james is the user sshusers is the group /home/james/upload/ is the directory where I wish to lock user ...
0
votes
0answers
56 views

How do I connect to Ubuntu from Android via USB?

Referring to the question that has been answered: How do I connect to Ubuntu from Android? I cannot connect from my Android phone using JuiceSSH, because I don't know the ip address of my USB port. ...
2
votes
1answer
61 views

Ubuntu 14.04 - SSH connection - Open Image

What I'm using Ubuntu 14.04 SSH connection to another Ubuntu 14.04 machine What I'm trying to do View/Display the content of an image (.png, .jpeg, .bmp...) from the console. I'm connecting to ...
1
vote
1answer
103 views

Error bootstrapping juju environment maas, crypto/rsa: verification error

I bootstrapped the juju environment for maas. It was working fine but, my bootstrapped node formatted due to network boot. I then removed juju and deleted the environments directory and reinstalled ...
-1
votes
1answer
26 views

Get visual output over ssh

I have a remote ubuntu 14 installation and I am running apache solar and apache nutch on it. At the moment I am connecting over windows 7, with putty to my server. Apache Solr has a if you open on the ...
2
votes
0answers
56 views

Understanding ssh - apparent IP address: dynamic vs local port forwarding

I have ddwrt on my router back home and I'm playing with ssh on my laptop from a remote location to better understand ssh. My router has port 5000 listening for incoming ssh which it port forwards to ...
0
votes
1answer
101 views

Ubuntu 14.04 - BUG? SSH login failing [duplicate]

Ubuntu 14.04 - installed apt-get install openssh-server, username is sun and password is 1234 and root also has password 1234. Remotely connecting and failing to allow me. suns-MacBook-Air:js sun$ ...
0
votes
1answer
26 views

Control + D not working in mail

I am trying to test the mail capabilities of my server. I simply do this mail -s "This is a test" myemail@domain.com, then it prompts me for Cc: then the body. After typing into the body I am hitting ...
0
votes
2answers
54 views

Unable to perform root login

When I try to ssh into my friends computer in the same LAN with his host-name and IP I am able to login successfully. But when I try to login using the root user password it shows me the following ...
0
votes
1answer
18 views

Is it possible to log into a remote LAN user using the ssh client without using his password?

I am on a LAN network having around 50 systems using ubuntu. I know the root user password used by most of the systems. If i know the root user password of a system, is it possible to ssh into that ...
-1
votes
1answer
310 views

“Error: cannot open display: :0.0” while starting remotelly Firefox

On my ubuntu 14.04 remote server, when I try to start Mozilla Firefox 32.0 from terminal, it through error as follow: $ firefox (process:6397): GLib-CRITICAL **: g_slice_set_config: assertion ...
4
votes
1answer
89 views

How to automatically opening terminal windows & tabs, ssh and sudo su?

When I start my day in front of my computer, I first have to do the following: In workspace 1: Open a new terminal window, ssh loginserver, then ssh serverA1 and sudo su account00 Open a new ...
0
votes
0answers
55 views

ssh connection time out ubunto 14.04

I get connection timeout after ssh hnname So I try the follow: netstat -nltp - I see that there is no process listen on port 22 sudo service ssh restart - I see that there is no process listen on ...
0
votes
1answer
49 views

Preview .html file from remote AWS EC2 instance on local machine's browser

From this and this I've gathered that I should ssh into my ec2 instance from my Mac by: ssh -C -c blowfish -X -i user.pem user@hostname.com This accomplishes X11 forwarding. Afterwards, how do ...