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

learn more… | top users | synonyms

5
votes
2answers
193 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 ...
0
votes
0answers
30 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 ...
3
votes
3answers
37 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
vote
1answer
38 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 ...
2
votes
0answers
32 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 ...
0
votes
0answers
40 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
votes
1answer
22 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 ...
5
votes
2answers
4k views

Connection ec2 instance operation timeout error using ssh

After creating a new instance, I am trying to access my instance like below: ssh -i private_key.pem root@my_instance_public_domain but the operation is timing out. I have updated the private key ...
1
vote
1answer
46 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, ...
0
votes
0answers
28 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
votes
1answer
69 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 ...
4
votes
2answers
1k views

Transferring Files SSH SCP Error Message: 'Stdin: is not a tty'

I am using a Macbook SSH terminal and generated RSA key pairs and uploaded remote id_rsa.pub with approved permissions. I can connect with remote Apache web server. I can create, open, move, modify ...
1
vote
1answer
35 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
vote
1answer
717 views

DROP all for port 22 if not geoip set of US for iptables and xtables

I want to simply block all ssh access from anywhere but with in the US. This is my whole iptables, and I have followed ...
3
votes
2answers
1k views

Unable to get the right exit code from a script

I have a script which connects to a remote server via SFTP and get some file from there. My script goes like this: /usr/bin/sftp USER@remote.server.com <<EOF lcd /dir1/dir2/dir3 cd ...
0
votes
1answer
80 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 ...
1
vote
1answer
74 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 ...
9
votes
2answers
3k views

Ssh login hook?

Is there a way to run a script/command every time a user connects using ssh? Can it be configured globally (i.e run the script when any user login)? I came across this question on Identica, but there ...
3
votes
1answer
51 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 ...
1
vote
0answers
20 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
35 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
2answers
85 views

import .sql file into a remote server from a local machine

I've created a database in the remote machine. Currently, the database is empty and I need to import using a backup(.sql) file. The backup file is in my local machine, it is a 40gb file. And the ...
1
vote
1answer
43 views

Zones are in SUSPENDED mode in Oracle Solaris 11.2 SPARC

Zones are in suspend mode how can I bring them up online? Operating system: SunOS xxxxxxbase02 5.11 11.2 sun4v sparc sun4v While listing the pool in global zone I can see four hosts are in suspend ...
0
votes
1answer
35 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 ...
1
vote
1answer
2k views

Forwarding X11 not working - Error: Can't open display: localhost:11.0

LM 17 Xfce OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 Despite googling everywhere, I cannot seem to get this to work. I keep getting this error. $ xlogo Error: Can't open display: localhost:10.0 I have tried ...
2
votes
2answers
53 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
18 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 ...
2
votes
0answers
41 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. ...
1
vote
1answer
109 views

bash scripting : using expect

I am facing an issue when I run simply these commands. The remote server want to pass "yes" to add the key in RSA file because first time connection established with scp. commands are given below ...
4
votes
3answers
1k views

How can I set default settings for htop?

Occasionally, I need to check resources on several machines throughout our data-centers for consolidation recommendations and the like. I prefer htop, mostly because of the interactive feel and the ...
1
vote
1answer
40 views

Can't push git updates & run Unix commands when connecting via SSH

I have installed java 8 on my bluehost VPS. I have followed http://tecadmin.net/install-java-8-on-centos-rhel-and-fedora/ instructions . In order to add directories to PATH variable I have added ...
1
vote
1answer
36 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?
5
votes
2answers
7k views

ssh returns message “X11 forwarding request failed on channel 1”

When I ssh into a remote server that's not running any type of X11 desktop environment I get the following message. $ ssh user@server X11 forwarding request failed $ ssh user@server ls X11 ...
2
votes
1answer
85 views

Best way to connect to an existing user context through SSH

What we would like to do: We have short living virtual machines for running scripts. The virtual machines are used through SSH to perform "builds" (sequence of scripts) and discarded once all the ...
0
votes
2answers
647 views

tmux with iterm2 attach a remote session

I'm using the Tmux integrating with ITerm2, which can create a tab in ITerm 2 for each window created by Tmux. But somehow this doesn't make much sense for the usual SSH scenario, where we first SSH ...
0
votes
2answers
35 views

Exclude the output from ssh and only log the error if found

typeset -f | sshpass -e ssh -o StrictHostKeyChecking=no user@${IPADDRESS} " $(cat); IFERROR=$(checkscript); echo "$IFERROR"" > ${SSHTEMPFILE} 2>&1 This line...I can't exclude the ...
2
votes
0answers
31 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): ...
1
vote
1answer
50 views

Channel 0: open failed: administratively prohibited: open failed

I was doing this tutorial, but when it comes to the part where O should run these commands: local-server# ssh -NTCf -w 0:0 87.117.217.27 local-server# ssh -NTCf -w 1:1 87.117.217.44 It says: ...
14
votes
6answers
19k views

How can I page up or down in tmux with Terminal.app?

I have tmux installed. But I can not scroll up or down. I.e. as soon as I tmux I get only a portion of the screen and can not scroll up. crtl-b + Page Up does not work since I am in Mac and I can not ...
3
votes
1answer
55 views

How does rysnc work over ssh?

When the rsync program is invoked over ssh what does the interaction between rsync and ssh look like? What feature of ssh is rsync using? I am interested in the interaction between rsync and ssh.
2
votes
0answers
38 views

ssh terminating immediately with message Terminated

I have tried following command on my local system (Ubuntu 14.04 LTS): $ ssh localhost The authenticity of host 'localhost (127.0.0.1)' can't be established. ECDSA key fingerprint is ...
3
votes
0answers
92 views

SSH always refuses first connection attempt

There's an AIX box where I work and so I've not got any root access to it. When I connect to it using telnet I can get on fine. When I connect to it using SSH if I put in my correct password on the ...
9
votes
4answers
3k views

How do I generate SSHFP records?

I need to setup SSHFP records in the DNS for my host. I have done some searching but I haven't found any good example. What are SSHFP records? What does SSHFP records look like? How do I create ...
13
votes
5answers
14k views

how to avoid ssh asking permission?

We are attempting to speed up the installation of oracle nodes for RAC installation. this requires that we get ssh installed and configured so that it doesn't prompt for a password. The problem is: ...
1
vote
2answers
2k views

Linux can't recognize the right password when ssh'ing?

I've created a local port forwarding and I was trying to ssh into my own port. During the process, I found that my own Linux won't recognize me even when I have the right password ...
2
votes
1answer
34 views

Identify SSH public key on remote end's shell session (no agent or no identities in agent)

I know this way to find out which key was used to authenticate when using keys stored in a key agent: ssh-add -L 2>/dev/null | awk '{print $1}' | while read identity; do grep -v '^#' ...
2
votes
1answer
586 views

Directx application using wine over ssh -x

I'm trying to run a Windows app (Artemis video game - server mode) on my archlinux server. As it is an windows application I have to run it using Wine. As I'd like to be able to launch the server ...
9
votes
2answers
11k views

Why does my X11 forwarding attempt fail with “connect /tmp/.X11-unix/X0: No such file or directory”?

On my local machine, I run: ssh -X me@remotemachine.com (For completeness, I have also tested all of the following using -Y with identical results). As expected, this accesses remotemachine.com ...
85
votes
8answers
40k views

How can I disown a running process and associate it to a new screen shell?

I have a running program on a SSH shell. I want to pause it and be able to unpause its execution when I come back. One way I thought of doing that was to transfer its ownership to a screen shell, ...
52
votes
14answers
81k views

SSH tunneling error: “channel 1: open failed: administratively prohibited: open failed”

When I open this ssh tunnel: ssh -nXNT -p 22 localhost -L 0.0.0.0:8984:remote:8983 I get this error when trying to access the HTTP server running on localhost:8984: channel 1: open failed: ...