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

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3
votes
1answer
28 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
29 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
722 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
93 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
173 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
378 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
25 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
100 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 ...
29
votes
4answers
41k views

Specify identity file (id_rsa) with rsync

I need to make periodic backups of a directory on a remote server which is a virtual machine hosted by a research organisation. They mandate that access to VMs is through ssh keys, which is all good, ...
1
vote
1answer
131 views

How do I get a service on a remote CentOS 7 server to persist after I log out?

I am experimenting with running Spring Boot apps on a remote CentOS 7 web server which has been successfully serving up apps on Apache and a stand-alone tomcat instance since day one. However, when I ...
1
vote
1answer
988 views

SSH: Permission denied, please try again

I need to connect to a server and don't know whats going on: me@pc:~$ ssh -v server OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 debug1: Reading configuration data /home/me/.ssh/config debug1: ...
3
votes
1answer
780 views

Avoid “Shared connection to <host> closed” messages

I'm managing a lot of drupal sites, and trying to automate some stuff using drush. Drush run locally calls drush on the remote host via ssh using options specified in the config for the site alias. ...
1
vote
2answers
38 views

Execute inline command remote server with ssh

I'm trying to create a single script that connects to a remote server and executes an update, but I want to make sure no one is using the machine at the time so I execute a "ps" command to see the ...
0
votes
1answer
32 views

Xming for Linux? (Aka run a display/x11 server inside a window)

With Xming I can run an X11 server inside a window and then run mate-session to get a very fast remote desktop inside a window. On Linux, I'm not entirely sure how to X11 forward mate-session to just ...
0
votes
2answers
26 views

How to forward ssh X11 from an ssh session to base computer?

I am working from out of town, so I need to connect my computer at campus. Normally, when I am around the campus I can just use my ip of lab computer to forward x11 like; ssh -X acc@lab-computer ...
1
vote
2answers
59 views

How can a command in a pipe read from a keyboard? [duplicate]

I randomly tried to execute the following command in bash1 cat /some/file | ssh user@machine 'cat >/destination/file There are no keys installed on the remote machine, so the only way to ...
0
votes
1answer
806 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
4answers
17k views

SSH: “Server refused our key” with no reason

I was trying to set up a simple backup script to run automatically that would copy a file from a Windows machine to a Linux one through SSH. As a lot of simple online tutorials suggest I used pscp ...
0
votes
0answers
64 views

Running a batch script remotely using rdesktop

I have a setup that implies calling rdesktop on a remote machine which is accessed through ssh: user@192.168.1.110:~$ ssh user@192.168.1.120 -X and then running rdesktop as: user@192.168.1.120:~$ ...
3
votes
2answers
1k views

SSH Agent Forwarding on server

I'm struggling with the concept of SSH Agent Forwarding. This is what I've done so far: Create default identity local (ssh-keygen) Install the public key on bitbucket Now I want to connect to a ...
0
votes
2answers
85 views

How to access server without IP-address

I have a centos server that was previously on my company's network using a static IP address, but it has since been blocked/firewalled on the network such that I'm not even able to ping it. I was told ...
0
votes
0answers
12 views

Bash script not passing variable through ssh [duplicate]

I'm trying to write a script that will ssh into multiple servers and echo the line user_pref("plugin.state.java",2) into every user's firefox pref.js file. I keep getting the error bash: ...
19
votes
2answers
8k views

Is there an easy way to update information in known_hosts when you know that a hosts key has changed?

If a host's operating system has been re-installed and had its public key regenerated sshing to it will of course fail because the new key doesn't match the old one. Is there an easier way to tell ...
0
votes
1answer
40 views

SSH into another VM via Perl / Sh script failing. Works manually

I want to run a Perl CGI script (a_web_page.cgi) from my dev box .1.20 that runs a bash script from the same folder (host_script.sh). This script then runs a SSH command to another server 1.10 that ...
0
votes
1answer
40 views

Setting up aliases with interactive ssh session [duplicate]

I need to keep ssh'ing into many-different Linux boxes (Ubuntu mostly) and every time I miss my basic aliases. Is there a way to setup aliases etc while opening an interactive ssh a machine without ...
0
votes
0answers
18 views

How do I add a vim configuration to a user who is restricted to a specific directory?

So basically, I have created a user that only has access to a specific folder with: useradd --home /some/dir username Now what I would like to do is add my vim configuration to this user's "home" ...
0
votes
1answer
38 views

How to execute a script on SSH Login or device bootup/shutdown? [duplicate]

I have a raspberry pi, which is online and connectable by SSH. What I want to do is create hooks for the following states: When the device starts Before the device shuts down When an SSH login ...
2
votes
1answer
45 views

Set ports for ssh to connect to remote Raspberry Pi

My Linux laptop is on Verizon HomeFusion internet service and I am trying to configure so that I can SSH to a remote Raspberry Pi (through its router) that is using the Virgin mobile service. Seems ...
0
votes
0answers
16 views

How to FG a Background Process without jobs, fg, etc [duplicate]

I am SSH'ed into a Ubuntu Server. I started a process and closed the terminal window, reconnected to the server. Using TOP I can see the process is still running smoothly, but I did not assign a job ...
0
votes
1answer
47 views

problem editing utf8 text file with vim

I have a problem editing a html file on a server via vim. The file is utf-8 encoded. While editing with vim (v7.3, no plugins active) I can see umlauts and editing and saving a line before the umlaut ...
11
votes
6answers
4k views

How to effectively use screen and SSH?

I'd like to configure SSH and screen such that a login will always reattach to a screen session. Ideally, that session would not quit but detach when I press C-d. How can this be achieved? And what ...
4
votes
0answers
42 views

Why does connecting using an ssh key fail with one host name but work with others? [closed]

Trying to use an ssh key to a server which has different host names works with some host names, but not with others? Is there some reason why ssh would work that way? E.g. say hostname1.com and ...
0
votes
0answers
18 views

Unable to ssh to virtual machine, yet sshd running and firewall port is open

I'm testing a VM provider's service, and I'm unable to ssh to the VMs I created yesterday. I am able to get in via their web interface shell. The connection just times out: ssh: connect to host ...
1
vote
1answer
26 views

How to auto-unlock SSH keyring upon login

Situation: I am on Linux Mint 17.3 and have on the station auto-login enabled. I have an SSH key in gnome-keyring. Objective: I would like the SSH keyring not to ask me for password. I am aware it ...
0
votes
2answers
913 views

Permission denied when run script via ssh

I wrote script which download via scp and install some packages. SSH keys are added to host and when I run [root@HostB ~]# ./myscript everything is ok and packages are downloaded via scp without ...
1
vote
2answers
77 views

Connect to Linux machine behind a firewall

I am looking for way to connect to Linux machine without connecting to it using SSH, Telnet or something similar. The Linux machine is behind a router and I don't have access to it. So opening / ...
0
votes
1answer
55 views

Able to SSH from Windows, but not through Kali

I was trying to connect my Raspberry Pi 3 Model B over Ethernet to my netbook(running Kali from a bootable USB). After a lot of struggle that the RPi automatically assigned an IP to itself when ...
2
votes
1answer
970 views

Cannot ssh into a fresh install of CentOS minimal on lan

I've downloaded CentOS 7 Minimal and installed on an old laptop. I want to be able to ssh to the machine from other machines on the same lan. But I keep getting this error .. ssh: connect to host ...
0
votes
0answers
11 views

save state and detach from an xming session and attach to the same session later

Welcome to the Xming X Server Vendor: Colin Harrison Release: 6.9.0.31 FreeType2: 2.3.4 and Linux 3.8.13-118.4.2.el6uek.x86_64 #2 SMP Tue Mar 22 20:47:10 PDT 2016 x86_64 x86_64 x86_64 ...
0
votes
1answer
34 views

Invoke rsync with specific defaults for current folder?

I have a local folder which I want to synchronize with a remote folder through SSH, and I'd like to do it through rsync. I would always call rsync with the same arguments, and same source and ...
1
vote
1answer
21 views

How to recover a process GUI after broken pipe

I started a process with GUI from the command line in a remote computer using ssh -X. Knowing it would take a long time to run it, I left it in the background and disowned. As I feared, I had ...
6
votes
5answers
11k views

Open file from remote computer on host computer

I'm trying to edit a file from a remote computer connected via ssh. How can I open the remote file on my local computer to edit?
0
votes
1answer
52 views

How to run a command on remote host from a service?

I have a service in '/etc/init.d'. In that service, I run a command on a remote machine using ssh as a user. Currently I do this in the following way: sudo -u user bash -c "ssh user@172.21.6.70 ...
1
vote
1answer
904 views

Terminal colors putty raspbian

I'm connecting to my Raspberry Pi from my Windows Machine using putty. I already adjusted the colors for bold blue in putty to be more readable (using this guide). But I still have problems with the ...
0
votes
1answer
50 views

`ssh` fails to reach destination

I am trying to ssh to another machine in my lab using the IP address. The IP address is 137.84.4.211 and let's say the host name is MyName. My IP address is 137.82.81.10. I don't know if this mean two ...