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

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16
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10answers
34k views

Server keeps asking for password after I've copied my SSH Public Key to authorized_keys

I have an Ubuntu Server, running in a Cloud. I created a user (git). In the folder /home/git, I have created the .ssh/ dir, and the authorized_keys file. But, when I put my SSH Public Key in the ...
0
votes
1answer
27 views

Permission denied for root@localhost

I installed ssh on my laptop running Ubuntu 14.04 LTS when I open terminal and type "ssh localhost" it seems to work fine, I get the notice displayed and the last log in time. like below ...
0
votes
0answers
21 views

Can't SSH into Ubuntu server

Appreciate thoughts on how to debug this situation: built a headless box with Ubuntu server 14.04.1 LTS, and installed Plex and SSH server. For several months, everything was running fine, but in the ...
0
votes
0answers
386 views

Cannot ssh my server after reboot

I have a linux server at my mom's house that I access through ssh from my house. It has been working fine until I rebooted it tonight; I actually rebooted it twice and it went fine and after the ...
1
vote
4answers
4k views

Can't ssh into server, connection refused

I can't ssh into my server. The server is on a private network administrated by me. Ubuntu is version 14.04. This started when I changed to a wired ethernet card. The client is MobaXTerm (latest) ...
29
votes
3answers
22k views

Enter SSH passphrase once

Before upgrade When I was running git clone git@... (using ssh) once per computer restart a window dialog was appearning that was containing a textbox where I was intersting my ssh passphrase and ...
0
votes
0answers
10 views

NX Client for Linux connection timeout

I have a problem during connection with NX Client for Linux. I am using Ubuntu and when I try to connect I get a message after some time which says Connection timeout. I checked the connection with ...
0
votes
2answers
26 views

CHKCONFIG NOT working on UBUNTU 12.04.4

I am trying to install chkconfig in Ubuntu 12.04.4 but it is not installing. I have tried most of the solutions available like apt-get install sysv-rc-conf update-rc.d All of the above is giving ...
1
vote
1answer
23 views

SU setgid: PERMISSION DENIED, SUDO: PERM_ROOT 0, -1, 1 PERMISSION DENIED

Hi I have a problem that I cannot solve. I cannot log into root, su, or sudo. Everything works fine via ssh so I tried on ssh via putty: Set root password: sudo passwd Add user to sudo/admin ...
0
votes
0answers
54 views

SSH using Terminal / Terminator is “very” Slow (at the connecting time) Compared to putty

i searched in all stackexchange website, the same question is asked few time and I did all that mentioned in those threads...but still when doing a SSH to a remote server using terminal during the ...
2
votes
1answer
155 views

Trying to understand my first server set up

I am trying to set up my first server and stack. I spent a week trying to do it on a virtual machine but could never get the ports to forward correctly so today I just dedicated the full machine. I ...
7
votes
4answers
6k views

Key-based SSH login with Nautilus' “Connect to Server”

I tried loggin into an SSH server via Nautilus' "Connect to Server" feature by just leaving the password blank, but that didn't work. How do I connect to my server using the key I have on my system? ...
0
votes
1answer
14 views

“Connection reset by peer” / Lubuntu dropping connections?

Linux version 3.2.0-67-generic (buildd@toyol) (gcc version 4.6.3 (Ubuntu/Linaro 4.6.3-1ubuntu5) ) #101-Ubuntu SMP Tue Jul 15 17:45:51 UTC 2014 I'm not sure if it's the place to ask this, but my best ...
2
votes
0answers
20 views

How can I start a LightDM session via SSH?

I'm connected to an Ubuntu 14.04 machine via SSH and I want to start the lightdm session for testing purposes. I don't want to forward the X server to my local machine. I just want to start the ...
0
votes
1answer
11 views

How can I use SSH aliases with rsync?

I can successfully use command ssh myVDShost without password to connect my VDS host. But when I use command sudo rsync -azP myVDShost:/home/ /mnt/myextdisk I get error: ssh: Could not resolve ...
0
votes
0answers
6 views

How to bring all ClusterSSH windows to the front?

Is there a way to bring all the windows of a ClusterSSH session to the front? After a while entropy builds up and some windows end up minimized, others end up behind other windows, and so on. ...
0
votes
2answers
50 views

Can't SSH into Ubuntu Touch device

From my computer: cameron@cameron-ubuntu:~$ ssh phablet@192.168.99.124 Permission denied (publickey). So it seems that openssh on the phone doesn't have password authentication enabled. But it ...
3
votes
3answers
1k views

SSH asks for password

I have already : Installed the server Generated the pub/pri keys with -P "" Copied the id_rsa.pub to authorized_keys ssh localhost > answered "yes", copied to known_hosts tried ssh localhost >> ...
0
votes
1answer
8 views

How to make Juju connect to Openstack VM using ProxyCommand / ssh config?

My Openstack VMs in my setup can be only access using a gateway machine. I always need to use a ProxyCommand to connect to them. Now I work with juju and, after setting up metadata and tools, I run ...
-2
votes
0answers
27 views

Can't remember password [duplicate]

apophis9283@apophis9283-desktop:~$ ssh apophis9283@64.184.112.2 Password: Password: Password: apophis9283@64.184.112.2's password: Permission denied, please try again. apophis9283@64.184.112.2's ...
0
votes
0answers
18 views

OpenMpi cluster in Ubuntu 14.04 LTS

I have setup the clsuter as per the guidelines and steps provided on the link https://help.ubuntu.com/community/MpichCluster I am able to login (without entering password) from mater to slave as well ...
0
votes
2answers
5k views

How to install software raid 0 on ubuntu 12.04 server with mdadm?

I need to install a software raid-0 array on a Ubuntu 12.04 server with mdadm through commandline (SSH). The drive setup is as follows: SDA = OS SSD SDB = HDD for raid 0 SDC = HDD for raid ...
0
votes
0answers
16 views

Putty - storing history globally [closed]

I was wonder how Putty store history I have server and multiple account there. Every account has a history when I use "history" it list history from that account. Is there something like global ...
2
votes
2answers
942 views

take changes in file sshd_config file without server reboot

I change configuration in file /etc/ssh/sshd_config but got effect only after reboot server. How to take changes without rebooting server?
0
votes
0answers
36 views

problem editing sshd_config

We currently have a vulnerability in SSH (Ubuntu Server 10.04) that requires us to remove MD5 and RC4 from SSH, we did it correctly in 4 servers, but when we edit it on one server in particular and ...
0
votes
0answers
19 views

SSH key stopped working on Ubuntu Azure VPS

I have an Ubuntu instance that I'm running on Azure. I've been using it for the last 6 months or so to level up my novice Linux admin skills. Yesterday I was configuring a Capistrano deployment to ...
0
votes
1answer
30 views

ssh session not terminated at reboot/halt from putty after upgrade to 14.04

After my server upgrade to ubuntu 14.04 when i do reboot or halt from putty, server reboots normaly but ssh session is not terminated by the server as before the upgrade. Can anybody help? Thank you!
0
votes
0answers
12 views

Strange entry in open file list on Ubuntu server

On my Ubuntu server I occasionally run the following command to view any open files that are TCP connections from my server: lsof -uroot | grep 104.236.XX.XXX The last time I ran it, I saw this as ...
0
votes
0answers
35 views

Thunar can't mount server over SSH

I am trying to mount a server directory in Thunar on a computer running Xubuntu which I'm connected to over SSH with X forwarding enabled. I connect to the computer with ssh -YC username@computer.ip ...
0
votes
1answer
27 views

Install Ubuntu Server via SSH

I registered for a domain and a online hosting on GoDaddy.com. I only have access to it via their website and SSH. Is there any way to install Ubuntu server on this so that I log into Ubuntu via SSH ...
1
vote
1answer
3k views

SSH: Permission denied, please try again. While tryng to connect to remote 12.04 server

I'm having quite the head ache because of this. The day before yesterday I rented a VPS at atlantic. They provided me with vnc and root's ssh credentials. I could only login through a VNC viewer ...
1
vote
1answer
1k views

Teamviewer not working (no connection)

I installed teamviewer on an Ubuntu 14.04 machine. I downloaded from the Teamviewer homepage the 32-bit version and run: sudo dpkg -i teamviewer_linux.deb I usually use this machine directly (not ...
6
votes
2answers
822 views

xubuntu xterm strange lag/echo issue with ssh

I have a xubuntu box and using its terminal everything is fine locally; but when I ssh to any server, the remote echo seems to be holding the last line until a key is pressed or the window is resized. ...
1
vote
1answer
55 views

I can't access the internet through my raspberry pi when connected through ssh [closed]

Proof of the error When I try ping 8.8.8.8 through SSH I get this: PING 8.8.8.8 (8.8.8.8) 56(84) bytes of data. --- 8.8.8.8 ping statistics --- 3 packets transmitted, 0 received, 100% packet loss, ...
1
vote
1answer
16 views

Troubles with “Connect to Server” option

I am using Ubuntu 14.04; the "connect to server" option has changed in the last few years from something like this to something like this Since I don't really know anything about servers or ...
0
votes
1answer
54 views

Remote Access to Ubuntu (as guest OS) from Linux Mint (as host OS) in VirtualBox with ssh

I'm trying to access remotely to Ubuntu virtual OS from the host OS which in this case is linux Mint. My Ubuntu version has no GUI, just a terminal interface. And change the network setting in ...
2
votes
1answer
47 views

Ubuntu 14.04 Nautilus “connect to server…” window changed

I'm having trouble because I want to connect to my EC2 server through my new installation of Ubuntu 14.04 and I just can't. I already downloaded the .pem key and added my server to the ~/.ssh/config ...
-1
votes
1answer
44 views

SSH connection refused on fresh started Ubuntu 14.04. - Connection possible after restart of ssh until reboot

I'm a newbie to linux and ran into a problem with my new media machine in the living room. I want to control it over VNC from time to time and therefore installed openssh-server. From the beginning I ...
1
vote
2answers
4k views

“PTY allocation request failed” error when trying to connect using SSH

I'm trying to log into Ubuntu desktop. I get the following error message: PTY allocation request failed What does it mean and how to connect to my desktop? This is the output with -v: debug1: ...
1
vote
0answers
77 views

GLib-CRITICAL console-kit-daemon

A fresh install of 14.04 with KDE installed yields the following error: [...] Jan 8 13:58:19 linuxtest4 console-kit-daemon[1969]: GLib-CRITICAL: Source ID 20 was not found when attempting to remove ...
0
votes
0answers
17 views

How to resolve failed PAM radius authentications for local account?

I have a local account which is not set up for radius on my 14.04 server, then I have multiple radius accounts. The local account is used for automatic file transfers from network devices and creates ...
0
votes
0answers
17 views

SSH X windows pipe error message

SSH X windows pipe is successful in displaying a calculator first time out, not satisfied by this I am curious to know what this error message is trying to tell me. ** (gcalctool:3556): WARNING **: ...
0
votes
0answers
14 views

ubiquity equivalent in text mode?

Is there an ubiquity equivalent in text mode? Launching an alternate installation from DVD is not a solution for me. This is because the computer has been booted with a customized DVD (with an ...
2
votes
1answer
33 views

How to disable shutdown or reboot in 14.04 when users are connected via SSH?

I've a group of Ubuntu Trusty desktop PCs in my office, and usually I ssh to them and install updates remotely from the command line. Unfortunately, sometimes local users decide to shutdown those PCs, ...
0
votes
1answer
18 views

SSH error when using putty to access MaaS nodes

Essentially I can not log into the nodes provisioned with MaaS via putty or teraterm without first providing an RSA key from the MaaS server. Juju works just fine as it resides on the host server... ...
0
votes
0answers
17 views

ssh connection refused only after inactivity

I have a Virtual Machine running 14.04 server and I've configured everything so I can ssh in. I can boot the machine and then ssh in using ssh -p 3022 adrian@localhost just fine. However, if I leave ...
23
votes
3answers
34k views

How do I launch a remote firefox window via SSH?

When I SSH to a remote box $ ssh -X remotebox then start firefox on the remote box remotebox$ firefox and I have firefox running on my local machine, a local firefox window will open. no firefox ...
0
votes
0answers
13 views

How to disable all messages from SSH

I have three computers networked through Gigolo/OpenSSH and set up to auto-connect as soon as I log into x-windows. The setup works just fine, but sometimes one computer will have some downtime or ...
0
votes
1answer
21 views

Release upgrade for Ubuntu EC2 AMI launches SSH on a different port

sudo do-release-upgrade on a Ububtu EC2 AMI shows the following warning message, is it safe to continue or what would be the preferred procedure. cat /etc/lsb-release DISTRIB_ID=Ubuntu ...
75
votes
10answers
85k views

How can I set up password-less SSH login?

I want to be able to login to a remote via ssh without having to enter the password all the time. How do I set it up? Is a different command required to execute a password-less session?