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

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Alert when transfering files using SSH?

I used to transfer files through ssh , from one computer to another. is there any way i receive a notification on my computer , when someone tries to transfer files via ssh ?
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How to Config SSH Server with sftp Protocol?

How to config ssh server only allows users to transfer files using sftp protocol Without being able to login with their username ? Note: If the user's shell to nologin or null is not possible to ...
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1answer
1k views

SSH agent forwarding, multiple hop

I tested this setup with Linux origin machine - everything is the same - only the first hop can use keys from origin machine. Initial problem I'm trying to set up SSH agent forwarding with multiple ...
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2answers
18 views

SSH with RSA keys under Raspbian keeps requesting passphrase

Background information I am trying to connect a Raspberry Pi (Raspbian) to another via SSH. Therefore, I have generated a pair of RSA keys in my "client" Pi and saved its public key in my "server" ...
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2answers
223 views

Why is the firefox so slow over ssh?

I try to launch firefox via ssh, with: ssh -X user@hostname and after firefox -no-remote but it's very very slow..how i can fixed? is connection problem?
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1answer
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Saving from arecord on a raspberry pi across a network to a mac

I've currently got a usb mic plugged into a Raspberry Pi B+ and am using the following code to record data: arecord --buffer-time=5000000 -D plughw:1,0 -f cd -t raw | lame -r - stream.mp3 I then ...
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2answers
540 views

Intermittent 'ssh_exchange_identification: Connection closed by remote host' error

While there are many questions on this site and others addressing this very issue, I haven't yet found one that seems to address what I'm experiencing. When trying to ssh a linux box from a MBpro ...
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2answers
63 views
+50

What are the Implications of Passwordless SSH

If UNIX users reach servers via SSH, and we only want to allow pubkey logins, are there any other items that need to be added to this list, that I should be concerned with? Allow pubkey login in ...
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Linux user ssh connection disabled after execution of setfacl command

I have very little linux administration experience, after searching a lot stuff online, finally I decided that I must hope that someone helps. The problem is, I needed to share an account with a ...
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24 views

keep getting broken pipe when ssh

I'm using Ubuntu 14 LTS with two machines. When I ssh into the remote machine, I keep getting pipe broken after une minute or two, and in my ssh client I set up the keepalive already. This happens ...
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5answers
656 views

Download n Upload files via telnet session

I have an attendance Device with Linux OS installed. I am able to connect that device via telnet session. There are some files in the device which I need to download and upload with new files. How can ...
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1answer
9 views

Login using Private key on USB Dongle on SSH@linux

I'm presently using PPK file (public and private key pair) generated from putty to Login (password less) through ssh in Linux server and it is working well. I am exploring possibility in using my ...
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28 views

Perpetual SSH connnection security and practical implications

I have used the linux desktop for many years, but I rarely get into its networking aspects. I run a personal fileserver (primarily running owncloud on Ubuntu 14.04), and to perform regular ...
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1answer
21 views

Run windows local program from remote linux

I'm trying to run a python script on a remote linux machine accessed by SSH from my local Windows machine. The script contains a loop where for all files in a directory it's going to go to a certain ...
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3answers
983 views

Script SFTP with password - HP-UX

I would like create a script in HP-UX to send in sftp with password. I have this command sftp -o PasswordAuthentication= but if I answer yes or no after, I have this issue "Host key verification ...
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1answer
33 views

Automating setup of the SSH tunnel

I need to frequently login to many machines but I can only login to them from a proxy machine or using an SSH tunnel (by tunneling through that proxy machine). The problem is that I cannot use ...
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3answers
8k views

Differences between VNC and ssh -X

Why would you use VNC (or for that matter NX) instead of just using ssh -X (-Y). I read that VNC uses less bandwidth, but is there any other differences/advantages with respective tool?
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List all connected SSH sessions?

I just SSH'd into root, and then SSH'd again into root on the same machine. So I have two windows open both SSH'd into root on my remote machine. From the shell, how can I see a list of these two ...
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tmux / screen ctrl+arrow (left right) doesn't work on SSH

I've configured tmux to skip words on Ctrl+right / left : set-window-option -g xterm-keys on It works just fine, but as I do SSH, it doesn't work and prints ;5D or ;5C.. The same issue occurred ...
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1answer
20 views

How to switch user with pre-configured credentials in SSH Terminal after logging in as standard user

I was wondering how to execute a command file where: After logging in as a standard user, I want to switch user to "username" with password being "password", I can successfully execute the command.txt ...
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4answers
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Copying protected files between servers in one line?

I'd like to copy squid.conf from one server to another. The servers don't talk to each other. I'd like to go through my workstation. Both servers have the file, so it will be overwritten on the ...
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29 views

Port forwarding for VPN connection

I'm using a public wifi hotspot. Usually when I connect to these, I immediately connect to my college VPN. On this hotspot, only browsing works (no program other than a browser seems to be able to ...
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ssh connection to gitlab fails behind home router, but https works most of the time

I am trying to connect to my repository on gitlab.com. It used to work on my laptop both when I was at home and when I was at work. I was using ssh and had added the ssh keys to gitlab. Suddenly ...
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1answer
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File transfers with SSH and switch-user

Have a situation that SCP and SFTP wouldn't work for. I've RTFM for SSH, but can't find what I'm looking for. The scenario is that in order to transfer files to the server, I first SCP them into a ...
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2answers
44 views

providing password to ssh [duplicate]

The situation: I have an IP : 192.168.1.1 $IP username : root (or whatever) $USER and a passwd: foo $PASSWD Is there a way to give $PASSWD to ssh ? like PASSWORD_VAR=$PASSWD ssh -l $USER $IP ...
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Solution for private keys on a remote machine?

I have to manage several servers, with services that can be cron, and integration jobs, deployments, backups. The common thing with all of these, is that they sometimes require access to other ...
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SSH Password less while using a service account with “ -i interactive mode”

I have a problem with my "service account". When I log into my service account sudo rootsh -i -u groot I am prompted for the service account password when I try to ssh to another app server. I have ...
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1answer
16 views

Is it possible to capture SSH+sudo output locally without writing the hostname and [sudo] lines?

Is it possible, when locally writing output from SSH command execution, to suppress the hostname and [sudo] lines? For instance, when I SSH into a server and run sudo <command> it displays ...
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19answers
106k views

Why am I still getting a password prompt with ssh with public key authentication?

I'm working from the URL I found here: http://jaybyjayfresh.com/2009/02/04/logging-in-without-a-password-certificates-ssh/ My ssh client is Ubuntu 64 bit 11.10 desktop and my server is Centos 6.2 64 ...
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1answer
423 views

Dynamic port forwarding using socat

I'm trying to replicate the functionality of ssh -D <PORT> user@machineX to tunnel all my traffic from my current machine via machineX. I do not need the ssh shell open at all, I simply wish to ...
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0answers
63 views

Connection closed during SSH using default port only

I'm having a connection closed error on SSH if using the default port. I have a public key for authentication. I'm not encountering any connection closed issue if using password authentication but I ...
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2answers
852 views

Help updating OpenSSH to v6.6

My system is vulnerable to OpenSSH Wildcards on AcceptEnv Vulnerability, CVE-2014-2532. I have tried to update openssh to version 6.6 for centos but I can not get repository[sic] for that version. ...
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36 views

Throttle accounts after failed SSH login attempts

I have to set up a server that will allow remote logins. Obviously security is an issue. In this first pass we are discussing:- Locking a person for 15 minutes if they fail to login correctly three ...
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8k views

sshfs mount, sudo gets permission denied

I am using sshfs to mount a folder with some python projects over ssh to my ~/ directory. $ mkdir -p ~/mount/my-projects $ sshfs user@example.com:/home/user/my-projects ~/mount/my-projects I can ...
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Can't connect to a server via SSH (with my PC only)

For some days I'm experiencing issues with SSH on my machine (I guess after having installed some softs that I don't remember... (sic)) It's very problematic as I use Git to work on some code ...
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2answers
2k views

SCP Lost Connection

I can successfully connect to my server via ssh but when trying to run the scp command I get a connection time out. $ scp ~/.ssh/id_rsa.pub root@192.168.12.2:id_rsa.pub ssh: connect to host ...
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2answers
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Using an already established SSH channel

I have an already established ssh connection between two machines. Is there a way to send commands to the remote machine from a shell script that is run on the local machine, using the already open ...
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Setup SSH tunnel on existing connection from script

I want to establish an SSH tunnel on an existing connection. The tricky part is doing it from a script (a custom shell I need to allow users only some specific things, like setting up this tunnel). ...
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1answer
1k views

How to change ssh log location from /var/log/secure to custom location in rhel 6?

By default in RHEL 6, SSH server logs are sent to /var/log/secure. I want to change this location to a custom one. Is it possible to do that? I have tried modifying the rsyslog.conf file, but it does ...
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How do I automate opening Firefox over an ssh tunnel?

My university has access to some academic journals that I cannot access from home. To be able to download papers while I am away, my current proccess is: Create an ssh tunnel to my university ...
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2answers
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Host key verification failed.#015

I am trying to execute a script on a remote computer. Lets call this (Secondary), the script is as follows, for simplicity porposes, #!/bin/bash echo "This is the Remote Machine (Secondary)" > ...
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Difference in the permissions of the file created by SSH and SFTP

I have a question and want to know how can I fix it so that the files created by SSH and SFTP by always have the same permissions in the case is 0644 for files. It is possible to make the permissions ...
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1answer
61 views

SSH public keys not working; my home directory is encrypted

I installed Ubuntu LTS 14.04 server edition on a remote computer, and added my local public key to ~/.ssh/authorized_keys on the remote computer. I found that I still needed to use password to log in ...
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4answers
18k views

rsync without prompt for password

I need to execute rsync, without it prompting me for password. I've seen in rsync manpage that it doesn't allow specifying the password as command line argument. But I noticed that it allows ...
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1answer
28 views

Modify username in ssh

When ssh into my home router, I use the admin credentials provided by my isp. How do I list all users along with their details (group/privilege) and as the superuser how do I modify their (and my) ...
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1answer
51 views

Help needed with ssh! [closed]

I am new to the linux OS and the other day, I was reading about ssh. What I wanted to do is Write a shell script to open terminal on 2 PCs simultaneously (the other PC being the guest OS (ubuntu) ...
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3answers
836 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 ...
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1answer
524 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 ...
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4answers
7k views

Use socks proxy for commands in terminal

I connect to a remote ssh server by running this command: ssh -D 12345 bob@myserver.com This creates a socks proxy that I can use with Firefox to bypass censorship in my country. However, I can't ...
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Linux Debian strange putty connection

I have just installed Linux Debian 7.8 on my VMWARE. Installed SSH and SSH-Server. I'm able to connect via putty with the local IP (192.168.x.x). When I try to connect from another computer after ...