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

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SSH Closes immediately after Login

I use SSH to connect to the server which has worked well for months...then suddenly now when I login the Putty session (and other forms of SHH) simply closes and that's it!!! Any help would be ...
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2answers
81 views

SSH session alway active, what is it? Should I close it?

I've been trying to setup a server-> client local network with x2go. I have it working, sort of... but I don't know much about networking, SSH, etc -- so it's been a steep learning curve. I'm ...
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1answer
82 views

Updated from Ubuntu 12 to Ubuntu 14.04 and only guest account is able to login

I upgraded my VM running Ubuntu Desktop 12.04 to Ubuntu desktop 14.04 using the update manager. This was an interactive upgrade and I did opt to keep any modified config file that existed. After the ...
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4answers
3k views

Can someone explain tilde usage?

I was confused, trying to copy some files from one PC to another. I have it figured out, but the syntax is still confusing to me. This works: scp ~/Desktop/Volenteer.png jay@server.ip:~j0h/b which ...
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4answers
2k views

Uninstalling ssh

ssh is installed in my system. ssh -V OpenSSH_6.6.1p1 Ubuntu-2ubuntu2, OpenSSL 1.0.1f 6 Jan 2014 But when I try to uninstall it completely using sudo apt-get purge openssh-server it says ...
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1answer
34 views

High quality software video telephony

I am trying to find a way to establish a high quality video phone connection between two kubuntu computers. One of the computers will be behind a firewall at a fixed IP but an ssh-port can be opened ...
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1answer
138 views

How to connect and copy file to Windows 8 system from Ubuntu 12.04 via network using command line? [closed]

We have separate Ubuntu client systems and Windows system connected via LAN. My requirement is to copy a file to Windows 8 system via command line using utility like scp. For that we have to run ...
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110 views

Problem Connecting To Server (Ubuntu 14.04)

I have a school server that I am usually connecting to using the following command from the terminal: ssh myUserName@my.server.com However, if I try to connect using Network - Connect to Server, I ...
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41 views

Weird bug with SSH, Unison and Samba?

I am running two servers, one at home (Server 1) and one at the office (Server 2). Both of these servers run a couple of Samba share directories which are synced every 30 minutes with Unison - the ...
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1answer
37 views

resuming SSH sessions

I often end up on the interstate, using a Windows-based laptop to SSH via my cell phone connection into my Ubuntu dev machine. Between the idosyncracies of cell phone connections, plus stopping for ...
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75 views

ssh stopped working due to roaming

I've got an openssh sshd/client installed on my laptop, but I can't connect to any servers from this machine. whenever I try to, it just hangs like so: ...
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19 views

ssh logout cause bash file problem

I have a .sh file which is called by a Node Web Server. In the .sh file I run some commands with my username [name], which is a superuser, without specifying the password. If I'm connected through ...
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4answers
54 views

sshd_config failure, is there a fallback?

So.. I decided to act like a complete moron and changed the Port to 81234 (which i now realize is higher than 65535), thus I can not login to my SSH anymore. Is there any kind of fallback or default ...
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1answer
65 views

What is the difference between 'exec ssh localhost' and 'ssh localhost'?

I read man exec output, but did not understand the difference between these two commands: exec ssh localhost and ssh localhost. I tested both commands and did not found any difference. Is there any ...
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2answers
631 views

SSH and VPN Cisco connection working on one laptop but not on another. Both laptops using Ubuntu 14.04. Where is the difference?

I'm trying to SSH to our university server using VPN and WIFI connection. The bug is similar to this one, although different in details. The problem is as follows: Me and my colleague are using ...
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3answers
167 views

SSH login using Ubuntu's terminal - Permission denied (publickey)

I'm using ubuntu system to login to remote server using ssh. SSH is configured in my system and I can see my public ssh key but when I try something like ssh xx.xx.xx.xx it throws error Permission ...
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2answers
39 views

Ubuntu 12.04 and SSH: Automatically shutting down another computer when powering off

I want to shut down another computer in my network when shutting down my own. For that I have created a script that logs into that machine through ssh and powers it off. (SSH keys are set up, so no ...
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4k views

SSH to network alias ssh_exchange_identification: read: Connection reset by peer

New install: Ubuntu 14.04.2 LTS (GNU/Linux 3.16.0-45-generic x86_64) I have no problem with SSH to the DHCP address .22, but when I try the alias address .80 the connection is reset by peer. I've ...
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2answers
229 views

SSH to local ip in external network

I know there is a lot of information about this subject but still I do not understand something. We have internal wiifi network that include 4 desktops, each one has internal local ip address. The ...
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1answer
109 views

SSH connection refused/error message

I have a setup of systems, where each system has multiple users but only one user is allowed to login to a system at a time through SSH. I am using "passwd -l/-u" command to lock and unlock users, ...
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1answer
135 views

Who is telling me “You have mail”

On a server running Ubuntu 14.04 I see You have new mail in the motd every time I log in via SSH. Q: Who is telling me this? Mail does not find anything, and I do not expect any mails on this ...
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2answers
92 views

Is it possible to specify a different zshrc file on login over ssh?

I spend all day ssh'ing into servers for work and the remote user is one that is shared by myself and several colleagues so I can't just blindly customise the shell as not everyone will want my tweaks ...
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26 views

What remote host allows tunneling thru ssh with public key and password?

I need a virtual desktop that can only be accessed by having the ssh public key and the user password. I was trying remmina but it does not seam to support the dual authentication of public key and ...
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1answer
103 views

error while using git clone

I'm trying to use git clone to clone a forked project for compiling. The input/output are as follows: preet@Preet-HP-620:~/clones$ git clone git@github.com:Preet23/android_vendor_resurrection.git ...
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2answers
165 views

How to access a RUNNING remote desktop

here is my problem: I have been working the whole day (on my office computer running Ubuntu) on a text document using a text editor (kile) when I came back home, I tried to copy the (newer) version ...
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156 views

How to insert data from text to mysql? [closed]

I get this text from router via ssh. But I want to insert user(fr-XXX) and macadress(F0:24:75:33:22:11) to mysql routerusers table. Flags: M - mac-cookie # USER DOMAIN ...
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1answer
62 views

Packet redirection based upon traffic type

Overview : Is there anything like ufw or iptables that will accept a packet on a port, but then redirect that packet locally depending on the type of packet it is? More info : I have a web server ...
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2answers
326 views

How do I get openssh 6.9 or greater and Apache2.4.12 or greater on to my 15.04 server?

I am trying to comply with government requirements and need to keep my 15.04 server up to date. Mostly 15.04 has recent packages. Can I upgrade Apache on the command line? I need openssh 6.9 or ...
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61 views

Set up BOINC through SSH and configure for multiple computers

I want to set up BOINC for SETI@home or other distributed computing projects. I have three or four computers with Lubuntu, but I would like to set them all up through a script instead of ...
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504 views

ssh connection to xxx closed by remote host

I have a admin server A which have root ssh trust for all other servers, and A can ssh most other servers without password, but for server B, it always says connection to B closed by remote host. ...
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140 views

Why am I getting permission denied (error 3) in WinSCP when I'm the only user and it's my home server?

I just setup a Linux home server using this guide http://linuxhomeserverguide.com/ and I am now trying to write to my /var/www/html folder because I want to make a website. I forwarded port 80 and ...
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49 views

What systems/remote desktops allow remote unlocking and locking

I have a very good desktop running ubuntu 15.04. I have a 2gb chromebook for developing on the go. The chromebook is not powerful enough to do what I need, so I need to be able to unlock my pc ...
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1answer
320 views

“Network error: Connection refused” in Putty when I'm trying to connect to my remote home Ubuntu server

I just set up a linux home server using http://linuxhomeserverguide.com/. I can connect to it from my desktop PC at home via putty using a local ip like 192.168.1.2 (just an example ip), but I want to ...
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1answer
190 views

Could not find id_rsa.pub

I am under cloud Ubuntu 12.04.5 LTS. And I couldn't find id_rsa.pub file. $ ls -ll ~/.ssh total 12 -rw------- 1 root root 4435 Jul 22 11:15 authorized_keys -rw-r--r-- 1 root root 2660 Jul 22 15:45 ...
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1answer
135 views

scp, where did my files go?

I logged in with ssh, into a pc in our lab. I would like to copy a .txt from there, to my laptop in home. So I did: root@hostname:/home/gsamaras/konstantis/cholesky# scp ...
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50 views

How to check if a switch is configured in 'ssh' or in 'telnet' using perl script provided the switch IP is available…?

In a perl script, when a switch IP is available, it is required to know if the switch is configured for 'ssh' or 'telnet' for continuing execution. How can this be done..? Please help it...
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2answers
80 views

system log question- auth.log

I'm pretty new here. I was looking at my system logs and noticed this: Jul 21 00:57:47 htpc sshd[13001]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= ...
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1answer
50 views

The simplest way to implement a VPN?

I have a headless machine running Lubuntu that I'm using a file server. I already SSH into it, and use remote desktop from within my local network to do any maintenance I need, either on the desktop ...
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1answer
1k views

ssh: connect to host HOSTNAME port 22: Connection timed out

I have trouble connecting to a server with ssh from my Lubuntu 14.04 computer, although it can be done from other machines. I can't get to the address online either (others can). Am currently using a ...
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57 views

Playing Rhythmbox through SSH

I am trying to start Rhythmbox by remotely accessing my Ubuntu 15.04 machine through SSH. Problem is when i create a new instance of Rhythmbox and play it, it works fine. Here is how i am doing it. ...
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1answer
674 views

E: Package 'openssh-client' has no installation candidate

How to install openssh cilent and server on ubundu 13.04. i tried sudo apt-get install openssh-client on 13.04, but i got this error. i could not install it. mphil@mphil:~$ sudo apt-get install ...
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2answers
185 views

How do I restrict a specified SSH user to connect only from one IP or hostname?

I have a monitoring server that requires the SSH connection details of a non-sudo user account of each box it monitors. Is there a way that I can configure a specific user account such that it can ...
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4answers
675 views

How can I redirect SSH users to another SSH login?

I have a person who will need access to my SSH server, but I want them to have limited access to programs. All they should be using is ssh, to login to another server. My server is an access point to ...
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1answer
180 views

Cannot open local files using Gedit over SSH

I tried to start gedit on one of my servers by running: `ssh test@test-server gedit and it runs, but it displays the filesystem of my server and not my local system. How can I get gedit to show my ...
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2answers
298 views

Nothing comes up with I try to change the SSH port

I'm trying to change the port number, and I've found a few answers on here from the past, most saying that you should use the following code. nano /etc/ssh/sshd_config or modify ...
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2answers
114 views

Permission denied for *.pem file

I have *.pem and *.ppk file for my server I tried to ssh into it using that. But it showed permission Denied. I took verbose log for that. But I am not able to understand why it said permission ...
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174 views

EC2 - chmod: cannot access ‘mypemfile.pem’: No such file or directory

I download pem file while launching t2.small instance. When I try to connect it via ssh it say no such a file in directory. But am sure that pem file is in directory. $ ls mypemfile.pem ...
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107 views

chromium browser remotely launched error

I logged into a remote server using the -X option in the ssh command. After trying to open the chromium browser i get the following error: $ chromium-browser Gtk-Message: Failed to load ...
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1answer
98 views

evince running remotely critical error

I logged into a remote server using the -X option in the ssh command. After trying to open a pdf file with evince i get the following error: ** (evince:4568): CRITICAL **: ...
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147 views

ssh stalls at debug1: SSH2_MSG_KEXINIT sent

So I try 'ssh -v server' and it stalls at: debug1: SSH2_MSG_KEXINIT sent which seems to be because the destination is not accepting my connection? I can ping the server though! (I do $ping host_ip) ...