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

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How can I mount a remote sshfs directory of an publicly inaccessible server on my inaccessible client machine?

This is an extension of the question by @Andrei How to mount remote SSHFS via intermediate machine? Tunneling? I'm in the same situation that I want to mount a remote directory, however the ...
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1answer
690 views

Including .bash_profile over ssh

I am trying to write a script that will: Copy files to a server (I already have a script copy.sh that does this task) ssh to that server cd to the directory where the files I just copied are run ...
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2answers
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How can I set up SSH on Linux to log in password-less?

My Raspberry Pi is running the default Debian image and has SSH enabled. I log into my Pi as follows: ssh pi@<IP-address-of-my-Pi> I have to enter my password every time. Can I somehow make ...
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2answers
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Access remote server after running ifdown eth0

I had a problem: Could not retrieve mirrorlist http://mirrorlist.centos.org/release=6&arch=x86_64&repo=os error was 14: PYCURL ERROR 6 - "Couldn't resolve host 'mirrorlist.centos.org'" Error: ...
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13k views

Running Commands on Remote Linux Server Using SSH

I am writing a Bash Script wherein I need to run some set of commands on a remote Linux server from my local computer using SSH. I want the results to be displayed on the terminal screen or dump the ...
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1answer
249 views

'script' session logging makes me exit twice

I'm using a solution described here to log my shell sessions, by adding this to the end of /etc/bash.bashrc: test "$(ps -ocommand= -p $PPID | awk '{print $1}')" == 'script' || (script -f ...
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2answers
577 views

SSH Server on Ubuntu not works

I wanted to start SSH server on Ubuntu 14.04 running on VirtualBox. I installed Openssh, sshd, etc., configured sshd_config to listen on ip, which I see in ifconfig and it not working. I'm starting ...
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rsync over ssh tunnel

---------- /| /| ------------ | Home | | | | | | Work | | |--------| |---------------------| ...
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605 views

Unable to login via ssh after several months [closed]

I have a Dell Poweredge running Ubuntu 13.04 in my office to serve up an interal web-app address system. It has been at least a 2 months possibly 3 since my last login. Everything is running great, ...
6
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1answer
136 views

Send only one warning when the private key is not available

For added security, I would like to require a private key to use sudo on my Ubuntu Server box. I've added private key authentication for sudo as described at ...
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1k views

Get screenshots of a Linux machine that I connect to remotely with PuTTY

My setup is this, I connected my Cent box via PuTTY on windows 7, I've Xming and using X11forwarding to have GNOME in windows. Now when I did gnome-screenshot in putty, I cannot have the CentOS ...
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1answer
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In tmux session, cannot connect to X server after ssh'ing

At work, I have a desktop with a monitor and a few running tmux sessions. At home, I frequently ssh into that desktop and enter my running tmux sessions. When I ssh from home, I do not want to use ...
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2answers
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Ssh 'access denied' from one host but not the other

Consider the following scenario: I have a Debian-ssh-server setup and exposed it to the internet for some time for testing. Also I have an account which is basically configured as root in the sudoers ...
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0answers
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.Xauthority file is empty

I have been trying to ssh -X to my cluster running OpenSUSE 11.2. It used to work well for me. But now I get this message: X11 connection rejected because of wrong authentication. Failed to open the ...
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3answers
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How to execute a remote command and pass in local file as input?

Is it possible to do this: ssh user@socket command /path/to/file/on/local/machine That is to say, I want to execute a remote command using a local file in one step, without first using scp to copy ...
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1answer
2k views

Can use Password authentication with SFTP even though “PasswordAuthentication no” in /etc/ssh/sshd_config

I have enabled SSH-keys based authentication on the Ubuntu 14.04 server, disabled root login using SSH and can connect successfully using SSH-keys based authentication with my user account blahblah on ...
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1answer
255 views

Unable to install yum and mysql,ssh

When I go to install mysql on CentOS 6,I get the following error: yum install mysql mysql-server Loaded plugins: fastestmirror, refresh-packagekit, security Loading mirror speeds from cached hostfile ...
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3answers
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How to check if I can log in to server via ssh?

I have a list of servers: cat list.txt 10.10.10.10 servera 10.11.10.10 serverb How can I check that I can log in via ssh to them or not? I mean by default I should be able to log in via ssh key ...
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1answer
110 views

Not able to SSH into VM

I want to SSH from my host into my guest VM (CentOS). I can Ping. SSH is running. Port 22 is open. Looks like firewall is off / IPtables are all open. (this is not normal?) When I SSH into my ...
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2answers
592 views

How can I ssh to a remote server with an automated password and no key?

I have a remote server. I planned to use public keys to connect over ssh without typing the password but the remote system rejects public key authentication. So what is the best way to do it? What ...
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0answers
21 views

Is there a way to pass a Password to ssh automatically? [duplicate]

I have to access a certain set of Linux machines where control is governed by VPN access, and passwords on the individual systems are effectively not kept secure or secret (security through ...
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1answer
857 views

How to connect to ssh-server running on embedded linux without /etc/passwd?

After installing ssh server on my remote machine (which runs embedded Linux), I tried to connect to ssh server from host machine but it failed. This is because I could not specify user account when ...
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1answer
389 views

How to check my account on embedded linux without “/etc/passwd”?

On some embedded linux systems, there is no /etc/passwd file and /etc directory is not writable (which means I cannot set user account and password?). Then what is my (default) account name and ...
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1answer
133 views

How to ssh with private key from other linux system?

I log in to my server (server1) with user, password and private key: key.ppk. I want to ssh from server2 to server1. So I do the following: ssh -i /srv/key.ppk root@XX.XX.XXX.XXX When ...
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Fix 'Enter passphrase for key: '

My SSH private key would automatically be unlocked earlier because I guess it was configured with Seahorse. It would just ask for my password and handle things on its own. For some weird reason, it ...
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3answers
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SSH to a host and enter password with shell script [duplicate]

I want to create a file like this : sshTOhost : #!bin/bash ssh -D 1500 user@host #enter password (I don't know how) can any one help me?
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How to pipe a remote file to stdout over scp or sftp?

Using ssh, it is easy to print the contents of a file using ssh host 'cat file.txt' When ssh is disabled, and only SFTP is enabled, running the previous command gives the following error: ...
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1answer
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notify-send not working under ssh

Maybe this is answered somewhere else, but I didn't see it. I am running Ubuntu 14.04. When I SSH into my machine, for example: ssh <user>@<machineip> notify-send "Hello" I don't see ...
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2answers
161 views

How to set up a global interval between SSH log in attempts?

I would like to make it impossible to make more than a single remote log-in attempt in a number of seconds regardless the client IP address (except some trusted white-listed addresses perhaps). So ...
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1answer
8k views

Copy/paste into SSH'd VIM from local (Windows) clipboard

I would like to copy from a local machine and paste into vim on a remote box which I am SSH'd into. That's it. I have tried "+p and "*p, mouse middle-clicking, and a couple other things to no ...
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2answers
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Linux SSH logging via PUTTY

I have Linux console, managed from Windows. Can login to Linux console from MSTSC service of Windows, as xrdp is installed on Linux. However I cannot login via Putty with SSH connection. It's ...
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1answer
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VPS SSH and my OWN IP

Is it possible to to stay in total anonymous mode for the VPS provider? I have got a VPSVZ machine with UBUNTU server. Is it possible to do anonymous tunneling: VPS1 -> VPS2 -> VPS3 (all UBUNTU) ...
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Piping tcpdump traffic via SSH - but no root ssh access

The situation I would like to use Wireshark to analyze traffic on one of our servers, but I don't want to install Wireshark on the server itself. I understand that I can pipe tcpdump traffic via SSH ...
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1answer
214 views

Memory buffer in a bash script

I have recently finished a script that will ask for a hostname and automatically take the argument of the function and ssh into one of my work servers. Here is a copy of my script: #!/bin/bash echo ...
2
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1answer
60 views

Maintain Xserver applications running even after closing the remote conecction

We have a Ubuntu server (mainly a compute server), which does not have X-server installed on it. One can use something like Byobu or Screen to have programs running on the server even after the SSH ...
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2answers
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-bash: cd: .ssh/: Permission denied

When I type in cd .ssh in terminal, it returns with -bash: cd: .ssh/: Permission denied. Now I cannot add my ssh keys to ssh. When I type ssh-add ~/.ssh/idname it says /Users/Dan/.ssh/idname: ...
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3answers
131 views

Connectivity between 2 remote Linux machines

I have two remote machines, I'm running a script on one of them. There's some part of the script that should be running on the other one, then the script will continue in its further tasks/commands. ...
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1answer
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how to install VMware vSphere Client on centos 6.5

How can I install "VMware vSphere Client" on CentOS 6.5?
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Possible corrupt passwd file

I did a recovery of the server and reset the root password to a new one because for some reason, the original was not being recognised. It still is refusing to accept the password in ssh for root. ...
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4answers
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History of IP addresses that accesed a server via ssh

It has come to my attention that a server of mine has been hacked and infected with a known chinese botnet. It was a prototype/testing virtual machine with its own static IP(US address) so no harm ...
5
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1answer
551 views

Linux: $SSH_CONNECTION is set even without SSHing to the server

I have a remote server and I am writing a script in the server and want it to fire only when I SSH. I thought of using the $SSH_CONNECTION and $SSH_TTY for this purpose. I found out that when I have ...
0
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1answer
991 views

Create ssh root password

For some reason, after a plesk update, I can no longer login to ssh as root using my old password. I have tried to create a user with: /bin/bash & /bin/bash (chrooted) in plesk Which lets me ...
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2answers
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transfer a file to remote dir only if doesn't exist without replacing

I'm using CentOS linux. In one line cmd, that returns 0 if success, non-0 if failure, I need: Transfer a file to a remote server. Don't transfer the file if filename exists in remote server ...
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1answer
3k views

2 Factor Authentication in SSH using public key and PAM

I'm trying to setup 2 Factor Authentication. I want the user to login successfully if: The public private/public key matches (authentication method: publickey) or the password is correct My pam ...
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2answers
163 views

Set default login path in ssh config

I use the following config in my ssh config file: Host host1 Hostname host1 User root ForwardAgent yes Port 22 ProxyCommand ssh -q user@host2 nc %h %p Is there a way to jump to a ...
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2answers
82 views

Call the script after disconnecting from server

I have a script I made for work that will call a function that takes an argument. I use the arguments to ssh into our servers. My question is: Is there a way to call the method so that if/when I get ...
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0answers
529 views

Cannot connect to ssh server

I am having trouble connecting to my ssh server. It responds with a lengthy error message about no network etc. but it is the last message that concerns me: Sometimes, such troubles can be caused ...
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2answers
152 views

Reject ssh connections made from proxies

I was seeing this question which was concerned with blocking access to the users who do not belong to a particular region. I am sure that blocking is possible but I see there is a workaround to this. ...
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1answer
3k views

Need to ssh from one Amazon EC2 server into another one

Basically I need to be able to connect from one EC2 instance to another using SSH. I run the command ssh -i path-to-pem-file ec2-user@dns-address-of-ec2-instance, and it times out. I set my security ...
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4answers
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Is it possible to find out the hosts in the known_hosts file?

I would like to see what hosts are in my known_hosts file but it doesn't appear to be human readable. Is it possible to read it? More specifically there is a host that I can connect to via several ...