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

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How to transfer file from windows to Unix Machine

I am working in Windows machine I have connected to Unix Machine using Putty, I want to transfer file from my local Windows Machine to Connected Unix Machine, Please suggest what is the command,
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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 ...
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2answers
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No “$” or “#” Sign After Logging in Solaris 10 with Putty

This is my environment: Solaris Version 10; Sun OS Version 5.10 Oracle Version: 11g Enterprise x64 Edition. When I am getting log on through putty it is giving me this output: login as: ora Using ...
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38 views

Possibly Compromised - ./brute xml2014 user x08 300?

I have a long list of a process called "./brute xml2014 user x08 300" when I type in "ps aux". What does this mean? Does this mean my server is being used as a DDoS bot? Here's a screenshot of what ...
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18 views

Giving a user SFTP access only with access to subdirectory outside of home?

I have user [USER A] account which contains scripts and a downloads folder. I would like to create a new account [USER B] so that the user has read/write (SFTP and not full SSH) access to their home ...
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34 views

How to find out what triggers ssh-askpass prompting for passphrase periodically

I recently deleted the contents of my ~/.ssh directory and generated new keys. They new ones work fine, but every once in a while I am getting a gui dialog titled OpenSHH from asking for the ...
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0answers
39 views

SSH SOCKS5 proxy, is my traffic being kept safe?

So I've been running everything on my system through my SSH SOCKS5 proxy. All the network commands I type in the terminal, I use proxy chains, and I have my system set to use my SOCKS5 proxy globally ...
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3answers
146 views

How to determine users connected ssh

I want to see how many users are connected to a PC to see who is gonna see the message when I do for example: echo hello users! | wall
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SSH broken when connected to VPN upon upgrading from Ubuntu 13.04 to 14.04

I need to SSH into a server which is only accessible when I am connected to a VPN (PPTP). Using my Ubuntu 13.03 virtual machine, this works perfectly. First I connect to the VPN, then I ssh into the ...
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1answer
61 views

Logging into a VirtualBox Fedora virtual machine

I created a Fedora 20 virtual machine with VirtualBox 3.18. I created a host-only network adapter for it, it has the ip address 192.168.56.1 . I ping that address from the host, it works. I try to ...
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1answer
49 views

Use git pull via ssh command invoke

When I log in to my server via SSH, I am able to use git over ssh (private repository): user@local:~$ ssh example.com Welcome to Ubuntu 14.04.1 LTS (GNU/Linux 2.6.32-042stab083.2 i686) * ...
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105 views

SSH public key login fails without pattern

I'm running a bunch of servers with Ubuntu 14.04.1 (sun,hyperion,...) all of which use public keys (OpenSSH_6.6.1, OpenSSL 1.0.1f 6 Jan 2014 on all machines) for rsync without problems. Almost all... ...
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1answer
45 views

Can't use hostname for my linux machine

I installed apache on my RHEL machine yesterday and found I could access it from a browser using http://. Of course, sshing using the hostname was also working. So, I made an index.html file inside ...
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1answer
60 views

Centos 6.5 not able to login with public key and login is sloooooow

I set up a new system with CentOS 6.5. I copied my public key key with: ssh-copy-id root@192.168.1.202 It took 15+ seconds for the password prompt to show, but then it copied. However ssh to ...
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0answers
50 views

Unable to reinstall ssh, can't access it in debian due to an error?

Trying to do an install as follows: root@host1:/# apt-get install -f Reading package lists... Done Building dependency tree Reading state information... Done Correcting dependencies... Done The ...
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1answer
77 views

Using X-Windows from Windows 8.1

I have a Linux box that I don't have physical access to, but I do have SSH access. I'd like to know is if there is something similar to SSH or Telnet that would allow me to use Gnome or KDE instead of ...
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1answer
58 views

Why is the result of this for and while loop different? [duplicate]

I have a for loop: for host in $(cat ./hosts) do echo -e "$host" ssh -o "StrictHostKeyChecking no" $host "uptime" 2>/dev/null echo -e "\n" done and a while loop which is supposed to the ...
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1answer
67 views

Can't ssh to my ubuntu machine using global ip address [duplicate]

I've gone to my router settings and added port forwarding for port 22 to my linux machine. However, when I now type ssh @ from another computer (the terminal of my mac), it says operation ...
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1answer
44 views

SSH not logging properly

I am looking at /var/log/auth.log on a Debian Webserver, and the last thing it logged was: Jul 2 21:09:01 h311 /USR/SBIN/CRON[25912]: (root) CMD ( [ -x /usr/lib/php5/maxlifetime ] && [ -d ...
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1answer
176 views

How can I use arcfour encryption over sshfs?

A recent update to my Raspbian Raspberry Pi has made arcfour sshfs fail. From the client: $ sshfs pi:~ /tmp/alskdjflkasdf/ -o Ciphers=arcfour read: Connection reset by peer On the server at ...
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1answer
81 views

SSH over corkscrew and proxy get “ssh_exchange_identification” error

until few days ago I was able to connect to my remote ssh server, using corkscrew to tunnel the connection through the corporate proxy, with this simple configuration: ssh -v root@xxx.xxx.xxx.xxx -p ...
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37 views

Start X11vnc on boot at SLIM login window

Debian 7.7 Wheezy, xorg, SLIM, i3 I'm unable to have x11vnc -usepw -forever started with SLIM, to offer a vnc connection on boot, as I do not have a monitor attached to the computer. I tried to add ...
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1answer
32 views

How does Slackware Login quotes work?

I'm new to Slackware and I think It's beautiful Distro. When I login it with ssh it prints motd, quote and a line for informing mail like this Linux 3.10.17. Last login: Thu Oct 23 06:28:08 +0330 ...
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1answer
26 views

Allow SFTP users to create sub-accounts

Environment Ubuntu 14.04.1 LTS server edition OpenSSH_6.6.1p1 Ubuntu-2ubuntu2, OpenSSL 1.0.1f 6 Jan 2014 Current Configuration SFTP password-protected accounts are setup for Alice and Bob. Their ...
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2answers
51 views

SSH failed public key authentication

I have a server, and I want to be able to SSH in with two different users. I have setup public key authentication for the first user, and it works just fine, however, I can't login with the second ...
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1answer
103 views

Fail2ban consuming lot of bandwith

I have a raspberry pi on which I have a nginx and a ssh server, I have installed iptables and fail2ban in order to limit the attempts of ssh connection. The problem is that it seems that fail2ban ...
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1answer
37 views

Start aplication in local desktop from remote SSH [duplicate]

I have an issue for which the work around would be to start the application in X instead of headless. How do I make sure the app is executed on the desktop, even if I run the command from a remote ssh ...
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34 views

Is it possible to make a symbolic link of a file in other machine?

I have a account in a server and I would like have a symbolic link of some files in my local machine. How can I do this?
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1answer
18 views

Why process wasn't killed after closing SSH connection

I launched this command via SSH on a Debian server: watch --precise -n 1 top -b -n 1 -p 27330 | tail -n 1 | awk "{print \$9}" >> 27330.log & After a while I quit my terminal. When I ...
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0answers
38 views

SSH Tunnel with autossh

I can't seem to find a close enough example but here it goes. I'm trying to in the end setup rsync from one server to another through an ssh tunnel. Local (my machine) will run the rsync to pull ...
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1answer
91 views

How does a cisco device know if I'm connecting via telnet or ssh?

I'm experiencing strange behavior with a Cisco UC520 router. When I am directly connected to the router and telnet to it using this: telnet 192.168.1.1 23 Then I get a successful login prompt: ...
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40 views

While trying to ssh, pam_ldap always sends the password “INCORRECT” causing bind to fail

I installed ldap-auth-client nscd ldap-utils on lubuntu 14.04 running on a banana pi. I can successfully bind as the user using ldapwhoami, but I cannot log in via ssh: Auth.log: Oct 21 02:12:05 ...
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1answer
26 views

What permissions should each file under .ssh have?

What permissions should each file under .ssh have? I just experienced some glitch caused by .ssh/config not having 600. What permissions other files there should have?
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2answers
192 views

annoying message “X11 connection rejected because of wrong authentication” while there is no problem at all

I'm having an annoying problem. When I'm logged in to a specific host via SSH, the message X11 connection rejected because of wrong authentication. occurs three times seemingly random about once ...
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0answers
34 views

SSH fork kills connection

I am using a linux script which has the task of forwarding control of the system to remote support. In this script one of the commands is a ssh port forward command that will forward the port of the ...
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0answers
25 views

Is it safe to disable password for a user, if it only uses SSH key login?

We want to remove the password usage on a UNIX system. The users should only log in with SSH key. Not password. So their password field in the /etc/shadow file will be "*" and set their password to ...
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2answers
47 views

SSH into multiple remote machines through ssh tunnel [duplicate]

I am new to ssh-tunneling. Basically I want to be able to get ssh access to servers in a remote lab (say subnet 1.2.3.X). I can log into a machine that is visible say 11.22.33.44 I want to be able ...
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1answer
47 views

libvirt-bin error on a VM when I try to list VM

I'm using Virtualbox 4.3.18 on my Arch Linux Host machine and libvirt-bin 1.2.9 on my Ubuntu Server Cloud guest machine. Everytime I try to follow this tutorial I receive the following error when I ...
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1answer
103 views

Running commands after ampersand symbol & in a remote ssh session

I have a shell script that initiates a long, resource-intensive command on several different machines. In order to execute the script on each machine in parallel, I have an ampersand symbol after ...
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1answer
36 views

Execute commands when specific user and ip login to ssh

How can I execute a few commands when a specific user with a specific IP logs on via ssh?
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1answer
18 views

Send commands to screen within screen

login to Server1 and run screen SSH to Server2 and connect to an existing screen session Realise ^A commands are procesed by Server1's screen only Is it possible to control Server2's screen in this ...
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1answer
37 views

Where should my authorized_keys file be if I want to ssh to `localhost`?

I have my public / private key setup, but I don't know where it should go. Should both these files be placed in ~/.ssh/ for my user?
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1answer
126 views

SSH Pub Key Login without Password

I am configuring an SSH Server on Ubuntu 14.04.1 Server Edition. The goal is to use public key authentication only and only permit certain usernames. My public and private keys are created and a ...
5
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1answer
6k views

How do I disable SSLv3 in an OpenSSH SSH server to avoid POODLE?

In wake of the newly-discovered POODLE vulnerability, I'd like to disable SSLv3 on all of my SSH servers. How do I achieve this with OpenSSH?
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1answer
38 views

Reverse ssh tunnel in config

How can I establish a reverse ssh tunnel with my ./ssh/config file? I'm trying to reproduce this command ssh -R 55555:localhost:22 user@host in my .ssh/config file so that when I type ssh host ...
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1answer
75 views

SSH over multiple server and save output of multiple commands in file on local server

I want to SSH over multiple server (host 1, host2 and host 3) and save output of multiple commands (cmd1, cmd2 etc) in file (output.properties) on local server. I know there are a few posts similar to ...
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How can I get console ssh to NOT ask for my private key password every time? [duplicate]

I have a program required by work installed on a Debian Wheezy box. Previously I was using Mac OS X (switch details irrelevant). I have an SSH keypair at ~/.ssh/id_rsa{.pub}. That keypair has a ...
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2answers
104 views

What elements affects the key pairs generated by ssh-keygen?

I use the ssh-keygen -t rsa to generate the RSA key pairs. I see that in the id_rsa.pub file, I see the username and the hostname. But I want to know that what elements will affects the key pairs. ...
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2answers
42 views

How to connect to a VPS without SSH.

I have a fresh VPS I just bought, for playing only. No risk of any kind involved, so I noticed that due to my slow connection I have to wait seconds to finish writing commands and opening/closing ...
3
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1answer
39 views

Terminating SSH called from a script (SIGPIPE handling?)

so I was wondering why there are some hanging SSH connection left from some of my automated scripts and I came to a weird issue - SSH, if used without PTY, doesn't terminate when the output pipe gets ...