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

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3
votes
2answers
42 views

How to make ssh account capabele to only sshfs and rsync?

I'd like to make ssh account that is capable of doing two things: mounting (can be one) directory via sshfs performing backup&recovery of his/her desired directories using rsync I would love ...
2
votes
1answer
21 views

Can I use `internal-sftp` when using wrapper script with `ForceCommand` in sshd?

I use /etc/ssh/wrapper.sh script, like in tutorial, that filters which commands are allowed to be run via ssh and logs them. Currently when internal-sftp is required, I use /usr/lib/sftp-server. Is ...
2
votes
0answers
48 views

ssh X11 forwarding

I am trying to connect ssh from my laptop to my raspberri pi 3b locally. However when I try to connect by: ssh -v user@local-raspberri-IP it gets stuck at X11 forwarding. The output that I get is: ...
1
vote
2answers
38 views

SSH to a remote Machine using a different Local ID

I need help related to SSH. Let me explain a scenario. I am logged in as "user1". Host A: user1 user2 Host B: remoteuser. There is a trust relationship setup between user2 on Host A and ...
0
votes
3answers
65 views

I want to copy a remote txt file via SSH, but without using root access

I want to copy my hosts to remote /etc/hosts but it doesn't work. I know root SSH access makes things easier, but IMHO root SSH access is a little dangerous. cat /etc/hosts|ssh samba2 "sudo su -c ...
3
votes
1answer
2k views

Chroot gone wrong, can't ssh with user

Distribution: Scientific Linux 6.5 (Carbon), not exactly your typical brand of linux. Tried to chroot a user using these instructions for SSH and quite obviously failed, and now I can't even log in ...
0
votes
1answer
32 views

rsync over ssh without typing the password each time [duplicate]

I got a bash script to synchronize data between two computers. It works fine but I have to type my password every time the rsync command is called. #!/bin/bash sourceIP="192.168.178.128" ...
61
votes
6answers
63k views

scp without replacing existing files in the destination

How do I copy an entire directory into a directory of the same name without replacing the content in the destination directory? (instead, I would like to add to the contents of the destination folder) ...
7
votes
2answers
3k views

Regexp in .ssh/config

At work, I often have to log into hosts which follow a common naming scheme, e.g. qc01 - qc12, hc01 - hc10, and so on. All of these need to get the same config values in my laptop's .ssh/config. Of ...
0
votes
1answer
40 views

unable to SSH to eth1 after bringing down eth0

I have a remote machine with 2 interfaces: eth0 and eth1. I am able to ssh using eth0 ip address as well as eth1 ip addr. However, things go strange once I bring down eth0 using the command ifdown ...
0
votes
1answer
33 views

Rental server refuses SSH connection; won't allow authorise me to download my SSH key

I am attempting to connect to my rental server via ssh to install MemSQL for a project. I have written the following in ~/.ssh/config: HOST eHosts HostName e9.ehosts.com Port 2222 User orderof3 But ...
0
votes
2answers
28 views

How to suppress debug2 messages during SSH session?

When I am logged into my home Linux machines via SSH, I get the following debug output a few times every minute: debug2: channel 0: request window-change confirm 0 When I am editing files in nano, ...
1
vote
0answers
24 views

Strange X11 forwarding issue [closed]

I have a strange issue regarding ssh x11 forwarding. Assume I have an host named node71. Firstly, I start Cygwin/X and mintty in Windows, now the local DISPLAY=0.0 Next, I can do ssh root@node71 -Y, ...
0
votes
1answer
2k views

How to execute Netscaler commands through a remote machine via SSH connection

I have been trying to execute some NetScaler commands like "bind" & "unbind" through a Linux Box via an SSH Connection. Now the Problem is, Manually we are able to enter & execute commands on ...
35
votes
4answers
13k views

Can mouse wheel scrolling work in a Screen session?

Is there any way to use the mouse wheel to scroll through the output of a screen session? I can use the keypad scroll through previous output in screen after pressing ctrl+a [. Is it possible to do ...
0
votes
1answer
25 views

Source ~/.bashrc when using the shell recorder `script`

I am using the first answer from How to automatically record all your terminal sessions with script utility to record my terminal sessions, however, I can not figure out how to get my bashrc to be ...
-2
votes
2answers
33 views

linux + ssh login took time from one server to another

I have a central Linux server (Red Hat version 6.5), and from this server I establish SSH sessions to other servers. To one server the SSH login took around 5 seconds, while to all others it took ...
0
votes
0answers
14 views

How to connect Ubuntu 14.04 NIS Client to a IRIX NIS Server

I'm trying to connect a new Ubuntu 14.04 Server (64Bit) as NIS Client to an SGI Irix NIS Server. It's a standard installation of Ubuntu, only ssh, nfs and nis (pam and other stuff came along by ...
4
votes
1answer
49 views

How to avoid calling 'startx' upon ssh login

my current situation is that in my .zprofile file I have the following line I found somewhere on the internet [[ -z $DISPLAY && $XDG_VTNR -eq 1 ]] && exec startx I think it's ...
-7
votes
1answer
29 views

How To Copy Files From Local Windows Machine To Remote Server [closed]

I want to copy a file from my local machine to a remote server. My local machine is running on Windows 10 and I use PuTTY to connect to the remote server, which is running Ubuntu.
0
votes
1answer
56 views

Why “lsof” is not working when it used in ssh? [duplicate]

I found this command line is not working ssh i01n10 "/usr/sbin/lsof -p $(pgrep -nf a.out)" it shows the error lsof: no process ID specified However ssh i01n10 "$(pgrep -nf a.out)" ...
1
vote
1answer
1k views

ssh tunneling: connection closed by foreign host

I'm trying to create a scenario to test a simple ssh tunneling, just for using a simple telnet. I have two hosts: ubuntu and suse. Both of them have the other hostname on /etc/hosts file for address ...
20
votes
2answers
20k views

SSH: tunnel without shell on ssh server

I have to set up a tunnel between two hosts. For this I use ssh in this way: ssh -L MY_LOCAL_PORT:FOREIGN_ADDRESS:FOREIGN_PORT MYUSER@SSH_SERVER after that, I log in to my SSH_SERVER. How can I ...
1
vote
1answer
30 views

How can a daemon user connect through SSH? [closed]

I have launched process named redmine that launched by deamon user – redmine. Some inner redmine (as process) plugin needs SSH connection to outer service and make it from redmine (user), but this ...
0
votes
1answer
20 views

Instantly getting Write Failed: Broken Pipe with SSH to an embedded system

As said above, when I try to SSH into my embedded system (a De0-Nano-SoC FPGA development board running Angström with Kernel 4.1) I get a "Write Failed: Broken Pipe"-Error and get disconnected. I read ...
0
votes
4answers
94 views

How to run subshell commands over SSH?

I have a cluster of computers which are connected via passwordless SSH and I have written a utility which runs a command over the entire cluster. The way it does it is by picking up machines present ...
-3
votes
0answers
43 views

Permission denied when accessing SSH server

So, a little background. I'm trying to host my own git server, and I decided to use SSH to log into it. I started two days ago, trying to configure SSH, to no avail. I'm hosting the server on my home ...
2
votes
1answer
54 views

bash: cannot create temp file for here-document: No space left on device

one day I was doing some stuff and I might have changed something which I shouldn't (I was working on the /etc/network/interfaces file). By the way, this is my OS: $ uname -a Linux ribas ...
4
votes
2answers
381 views

Disabling ssh password authentication does not work on my debian VPS

I have a Debian 7 VPS setup. I just enabled SSH Key authentication and disabled password authentication but the disabling did not work. When I attempt to SSH into my VPS, it prompts me for my SSH Key ...
1
vote
1answer
29 views

Setting up port forwarding on router for reverse SSH tunnel

My home PC is behind NAT but my router has static ip address. My work PC uses 3G stick for Internet (So I guess it is like being behind NAT). I would like to create a reverse SSH-tunnel to connect to ...
0
votes
2answers
40 views

SSH timeout to everywhere after a fresh RHEL7 install

[user@desktop ~]$ ssh root@foobar ... $ sudo su - [YOU HAVE NEW MAIL] root@foobar:/home/root # cd /etc root@foobar:/etc # Connection to 1.2.3.4 closed by remote host. Connection to 1.2.3.4 closed. ...
1
vote
0answers
10 views

Share socks5 connection to a 2nd NIC system wide

I'm trying to accomplish the following: I have a server with two NICs. One is wireless (wlan0) made as an access point (using hostapd) and the other one (eth0) is connected to a network that doesn't ...
1
vote
1answer
1k views

CentOS with AutoSSH, Port Forwarding Clarification

I'm using autossh and set it up like shown in the following example: http://surniaulula.com/2012/12/10/autossh-startup-script-for-multiple-tunnels/ I found it works really well, but need some ...
1
vote
2answers
106 views

Looking for rsync+ssh-based method as alternative to Dropbox

I want to set up a personal (i.e. one user) Dropbox alternative using rsync, to keep some directories synchronized over several Unix hosts. Since only one user (namely, me) will be changing the ...
1
vote
1answer
2k views

iptables allow only ssh and vpn traffic

I have dedicated server with ubuntu 14.10 installed. The server should connect to an openvpn server and the traffic should only go through the vpn, except for SSH traffic. My idea is to realize it ...
1
vote
3answers
2k views

how to execute commands on remote server as different user

I am trying to connect to server B from server A using ssh and executing commands using some other user. However, when I try searching for a pattern in log file it says "cannot open log file" below is ...
7
votes
5answers
16k views

SSH public key won't send to server

I've been struggling with this for a couple hours so any help is greatly appreciated... I have 2x servers both of which I can ssh to with public keys from OSX, no issues at all there so I'm certain ...
3
votes
1answer
26 views

Remove any ssh-keygen commands from init scripts

I'm running Ubuntu 14.04 64 bit server. I'm following this guide: Secure Secure Shell https://stribika.github.io/2015/01/04/secure-secure-shell.html It includes the instruction: remove any ...
1
vote
1answer
28 views

How to force low ssh-encryption

I regulary backup my computer to my BananaPi with a Hard Disk connected. The Problem is, that the transfer speed over ssh is pretty low because the Pi can't handle AES 256 encryption quick enough. ...
1
vote
2answers
720 views

ssh out of port 80 to port 22?

The isp I am currently connected to only has port 80 open, but I need to ssh to my server which listens on port 22 of my router there. Is there a way to go out through port 80 here, then in through 22 ...
-1
votes
0answers
24 views

.bashrc - Create an alias for SSH declare Function [duplicate]

So, I have a function: function () { command1; command2; } When I do ssh root@server "$(declare -f function) function parameter" It works fine. So, I want to make it simplier - through an ...
3
votes
1answer
92 views

SSH connection through SSH tunnel keeps closing

I have a PI at home that creates an SSH tunnel to my VPS with autossh so I can access it from my VPS. When I log in to my PI from my VPS the connection keeps closing (which makes it unusable). For ...
13
votes
4answers
950 views

Groups differ from the local ones when logging in remotely

We store our users in LDAP, alongside some groups that have meaning across different systems (organizational roles including wheel). There are also groups local to workstations, e.g. audio or video ...
1
vote
1answer
172 views

storing ssh remote executed command output to variable is blocking. connection not ending?

I'm not quite sure what the issue is. I'm on Kali Linux 2.0 right now, fresh install. The following worked on Ubuntu 14.04 but it's not working anymore (maybe I accidentally changed it?). It looks ...
20
votes
3answers
11k views

How do I know if my ssh tunnel is created successfully?

I rely on the following script tunnel.sh written by others to keep a ssh tunnel alive: #!/bin/bash export SSH_HOST=tim@server if [ ! -f /tmp/.tunnel ] then echo "Creat SSH tunnel" ssh -f -D 9999 ...
0
votes
1answer
29 views

SSH tunnel with different ssh port

I am trying to make a ssh tunnel connection to a remote server that has different SSH port. My PC hostname: fooserver.com IP address: 10.25.0.186 SSH port: 63354 My Remote PC hostname: ...
0
votes
1answer
140 views

dropbox process stops when I log out of ssh

I tried every solution from How to run Dropbox daemon in background? and nothing solves my problem: Basically, I already installed dropbox on my Ubuntu 12.04LTS headless server. I got init.d setup ...
1
vote
2answers
374 views

Is there a tutorial to set up a shared hosting server?

I can't find a tutorial on how to set up a shared hosting server. The part that I'm missing is the way privileges are set for the webmasters so that they don't see each others directories. ...
1
vote
1answer
23 views

Allow the restricted rsync (rrsync) script for arbitrary directories with authorized_keys

Automating Backups I would like to implement a backup solution with copies data from various directories from a Web server (WebServer) to a local backup server (BackupServer). The backup should run ...
1
vote
1answer
93 views

Automatically enter SSH password without using SSH Key, 'expect', 'sshpass' or Python

I have small device that starts up a tiny VM of PowerPC linux that I need to SSH into from a script on a tiny version of Yocto linux. The PowerPC VM SSH passwords stay the same, but it resets most of ...