SSH (Secure SHell) is a protocol for running commands on a remote computer.

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oddjob_mkhomedir doesn't run when logging in via SSH with Kerberos

I currently have a server which has Kerberos/SSSD/Samba to authenticate to Windows 2012 AD. In /etc/pam.d/system-auth oddjob_mkhomedir is set as below: session optional ...
2
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1answer
62 views

ssh-copy-id: why is the end of my public key different on my local vs remote?

Usually in the past I've always manually copied over my SSH public key to the remotes where necessary. I'm on a Mac and I finally decided to start using ssh-copy-id to make my life simpler, so I just ...
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1answer
49 views

Restrict ssh access per user based on conditions

Is there a way to restrict a user to only use ssh to connect via SFTP, but disallow that same user to login to a secure shell terminal? I only want the user to have the ability to connect by an SFTP ...
2
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1answer
70 views

Jumping ssh hosts without netcat

I have access to an intermediate server to which I can connect with ssh. From there I can connect to other servers: A→B→C, where A is my laptop, B is an intermediate server accepting connections from ...
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2answers
36 views

Execute script after outbound ssh

I want to execute a script after outbound ssh. I have two server (A) and (B), and computer (C) (C) can connect to (A) by SSH but can't connect to (B) and (A) can connect to (B) by SSH But (C) can ...
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4answers
2k views

How do I remotely edit files via ssh?

I have to edit some files placed on some server I could reach via ssh. I would prefer to edit these files in customized vim on my workstation (I have not rights to change vim settings on remote ...
3
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1answer
127 views

Deny SSH for a particular user from external network

So I have a server on my local network running an OpenSSH server. The server is configured to allow SSH from external networks, which is intended. However, I want to create one specific user ...
1
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1answer
102 views

Simple Radius authentication

I'm looking into using Radius as an authentication server for a few Ubuntu servers when accessing through SSH. I have tried using libpam-radius-auth but it doesn't work quite as I need. My goal is to ...
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0answers
36 views

Backup server with tar, encrypt and directly transfer the result, AFTER BUFFERING IT

So I've been investigative how to make full backups with tar, and I found that tar is a good tool if the backup is to be made once, and if the server has enough disk space to handle the output file. ...
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0answers
35 views

Accessing forwarded port via SSL/TLS

I have a Raspberry Pi that sets up an SSH tunnel with my VPS so that I can access several things remotely. My Pi forwards its local port 80 to my VPS's port 3180, so I can access it via ...
0
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1answer
35 views

Syntax Error while running command from another hosts [duplicate]

I run a command to fetch server uptime as below [root@localhosts ~]# printf "`uname -n` `uptime| awk -F " " {'print $3,$4'}`\n" localhosts 75 days, Now when I run same command from another ...
1
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1answer
79 views

Running remote GUI application over SSH as a standard non-admin user [duplicate]

I'm running a HelpDesk for internal call center employees. All employees have headsets in conjunction with their jobs, and I'm working on a script to remotely launch a minimized Mumble session via ...
12
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4answers
1k views

How can I keep my SSH sessions from freezing?

I have ServerAliveInterval and in case of few machines also ClientAliveInterval set to 540 in SSH client/server configuration files (I suppose setting it to more than that would not be a good idea). I ...
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0answers
26 views

Change external ip to be the one of a server?

I can ssh from my computer (Ubuntu 14.04) to a RedHat server. I wonder if I can browse webpages in Google Chrome or Firefox using the external IP address of the server? Running firefox on the server ...
2
votes
1answer
63 views

Does `ssh -D` proxy DNS request?

Is DNS resolution tunneled to the other end when I use a SOCKS proxy created with ssh -D? I have read the manual, searched the Internet, and found no documentation relevant.
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1answer
69 views

SSH key works on NIS server, fails on NIS client

I am trying to set up public key access to a couple of machines that I have a user account on. What I did: I used ssh-keygen to generate a key pair (without a passphrase) on my personal computer ...
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0answers
65 views

SSH Public key fails when using Reverse SSH Shell

I have a machine behind a NAT, which I would like to access via ssh. Lets call this machine A. I have machine B, which is publicly reachable, which I would like to route my ssh connections. I have ...
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3answers
121 views

How to remotely connect to a computer via ssh which is behind a wireless router? [closed]

At present, I'm using the wireless router TP-Link WR740N. I have tried the following two solutions in order to connect to my host computer, which is behind the wireless router: Use the "virtual ...
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1answer
139 views

Is there a canonical method to restrict ssh access to certain IP addresses in Unix?

I checked man pages related to ssh on OS X and other systems and tried using hosts.allow and hosts.deny files as per this post, and sshd_config to no avail. $ cat /etc/hosts.allow sshd: ...
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0answers
66 views

Backing up VPS via SSH/SFTP

I'm going to perform some maintenance on my VPS (Ubuntu Server 15.04), and I would like to back up some files before doing so. The problem is that some of these files are under other users' home ...
0
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1answer
702 views

“Invalid MIT-MAGIC-COOKIE-1 key” when trying to run program remotely

I am attempting to run an application (ParaView) in client-server mode with its graphics rendering being done on the remote (server) end. I am using SSH as my means of connecting to the server, but do ...
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2answers
83 views

How to make the script automated to take password on its own?

I have a script that is doing sftp some files from one server to another, like inside the script script.ksh I have the below lines; sftp user@ip_address << EOF cd path put file1 bye EOF When ...
2
votes
1answer
34 views

ssh port forwarding without logging in

I am forwarding a port of a remote server to my local mac as follows: ssh -L 15672:localhost:15672 me@example.com When I do this in a shell, I am also logged into example.com. Yet I would like the ...
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3answers
185 views

How to use SSH to move a file from Ubuntu to Windows?

I am logged onto a windows machine. I am using Putty to login to an Ubuntu machine on the same network. Now I'm trying to move a .c file from the Ubuntu machine, to the Windows machine, edit it there, ...
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0answers
41 views

Very slow SSH connection unrelated to GSSAPIAuthentication option

I am having trouble connecting to remote machine through SSH machine (I cannot change SSH configuration on that machine though I can login without any delay from other machines). I have commented out ...
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1answer
34 views

Problem with sftp

i am facing issue while ftp using the command file, but i don't face the executing using the manual execution of commands.. i need to ftp while connecting to ssh machine, the command file is ...
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1answer
190 views

Why SSH login works in shell but fails in all third parties via ssh tunnel?

I'm using ssh to log in (prompt password first time) on a remote server. In shell, using this command: ssh root@myserver.com works well! But all other db software applications that I tested ...
6
votes
2answers
240 views

What are .serverauth.##### files in my home directory?

The files are .serverauth.##### where ##### is a 5-digit number. I have a handful of these files in my home directory with a broad range of creation dates spanning a couple of years. What are these ...
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0answers
127 views

Chroot SFTP read only user + admin read/write user

I currently have a ssh-server setup which has users with read/write access jailed to their home account. The need has now changed and I now need the home directory user to have jailed read only ...
0
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1answer
140 views

ssh secure shell: “connection closed by remote host”, not acquiring the key

I am very new to using this ssh secure shell to access a remote workstation. This is the third time I have received the message: Server responded "Connection closed by remote host". The ...
3
votes
3answers
44 views

Can I change terminal type used to login through SSH?

When I login on some particular server through SSH (which I do not have admin access to), I get the following error: urxvt-unicode: Unknown terminal type (I also don't want to change my terminal type ...
1
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1answer
95 views

Xming wont start if running as super user

Scenario: I am attempting to run WireShark through xming server located on a windows 8.1 machine off of a Raspberry Pi B+ that is hardwired to a Wifi Pineapple Mark 5. Xming successfully launches ...
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0answers
86 views

Using autossh to create a persistent, multiplexed ssh connection without any port forwarding?

I want to use autossh to maintain an ssh session configured for multiplexing. This way I can write scripts on my localhost that take advantage of the persistent ssh connection. I'm having trouble ...
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0answers
116 views

Installing Docker into Vagrant VM failed

I'm using Vagrant and Docker and this problem occurred while i vagrant up my machine, it works fine before: ==> default: Running provisioner: docker... default: Installing Docker (latest) onto ...
0
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1answer
37 views

start process from ssh and be able to close connection [duplicate]

I'm connecting to my RaspberryPi with Raspbian installed via ssh and my problem is, that I can't let the RasPi do things (installing software, make calculations) while my Computer is shut down, since ...
1
vote
1answer
72 views

Tar and download in one step over ssh / scp [duplicate]

(This seems like an obvious / common question, but I couldn't find it when searching - maybe I wasn't using the correct terminology...) I want to login over ssh to a remote machine, tar a directory, ...
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0answers
61 views

Configuring tun0 and tun1 IPSEC interfaces

I'm trying to make two IPSEC tunnel interfaces in order to make a bonding but i don't know how to start it since i can't find any tutorial showing something similar. Can anybody gives me an indication ...
0
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1answer
261 views

How to ssh between lxc containers

I have an Ubuntu host running Ubuntu lxc containers. Whenever I try to ssh between containers, I get: root@master02:~# ssh root@slave01 -vvv OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading ...
1
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1answer
51 views

Passwordless ssh login on Mac OS without -i option

I have a ssh key without a password to login to a remote system. Let's assume the remote server is called server-name and has the same user as the one I'm currently logged in. In the console if I do ...
1
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1answer
422 views

How to set up chrooted and non-chrooted sftp?

I am trying to set up my Openssh server to allow for chrooted sftp-only users as well as for non-chrooted sftp and ssh users. My condensed (comments and blank lines removed) /etc/ssh/sshd_config looks ...
0
votes
1answer
108 views

Run script on multiple hosts [duplicate]

I have below script which creates user list and also filters ignore.txt file to ignore matching usernames. I would like to run this script on multiple hosts like hostA, hostB, hostC. Like if I run on ...
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0answers
34 views

Correctly closing multiple hop SSH tunnel

I want to tunnel VNC traffic to host2, which is only accessible from host1, whereas host1 is publicly accessible. I setup a multi-hop SSH tunnel as described in this question, using: ssh -L ...
1
vote
1answer
103 views

Use the -i option on ssh/scp

I would like to setup the ability to log into my redhat server by specifying the -i option on ssh or scp command line. I have followed the steps according to google but it doesn't appear to work. ...
0
votes
1answer
52 views

ssh with command loses tab-completion

I have a handy alias as follows: sshpass -p "the_password" ssh -o StrictHostKeyChecking=no root@192.168.0.123 That will give me a quick way to login to a remote device, and get a command prompt ...
3
votes
1answer
78 views

Is there limit to nested ssh sessions?

In my workflow I frequently have to open several chained/nested (?) ssh sessions to get where I need: ssh to remote management server Escalate privileges (sudo su ...) Ssh to another remote ...
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votes
2answers
71 views

Increasing Productivity When SSH into Multiple Hosts [duplicate]

I work in operations and need to be able to log into multiple servers among a few hundred servers in a productive way. What I mean by productive is this: from the time from when someone asks me to ...
1
vote
1answer
23 views

Why is sshd getting restarted when yum cron starts?

I have a new server build (Centos 6.6), and have yum-cron installed and running in cron.daily. In looking through my messages and secure logs, it appears that right after yum starts updating and ...
1
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1answer
80 views

ssh 3des private key encrypt and decrypt

i have converted my ssh private key with 3des encryption openssl pkcs8 -topk8 -v2 des3 -in ~/.ssh/id_rsa.old -out ~/.ssh/id_rsa how do I remove encryption and get the old key?
2
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0answers
78 views

Tunnel audio chat over ssh

I'm running a HelpDesk for internal call center employees. Right now, we can chat with employees over our web portal and remote-control their Linux Mint workstations via VNC over a secure SSH tunnel. ...
3
votes
2answers
94 views

Toolbar icons unable to load when running Emacs through xhost from FreeBSD to Ubuntu

I'm connected to a FreeBSD Computer using ssh [ip] -X, and emacs launches just fine, but this happens and all the icons are little pieces of paper with red X's: > emacs (emacs:22812): ...