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

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Open Wrt with nodogsplash

I am using OpenWrt in my TP_Link TL-WRD3600 router. I have already set up a hotspot plugin (Nodogsplash) on my router. Now I need to allow access to some website before authentication on the splash ...
3
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3answers
141 views

Setting up a ssh-only jump box

I'm admining an AWS cluster, and am currently planning to run ssh access exclusively through a single jump box rather than dealing with public keys or LDAP authentication for ever-changing access ...
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5answers
134 views

Can't login to server with SSH because of a script in /etc/profile.d exiting with exit status 1

so I have this problem, I can't login to my server with SSH. See: ssh -v myuser@myserver debug1: Authentication succeeded (password). debug1: channel 0: new [client-session] debug1: Requesting ...
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0answers
43 views

ssh client closing window hook

I need to hook the moment when the client disconnected from the server. I can hook it when user apply exit command (using ForceCommand). But when it just closes a window where ssh is running my ...
2
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3answers
64 views

ssh config auto execute remote command

I connect to server through ssh under vpn. To make project changes I always do the same procedure after accessing server - log as project_user, because with my identity I get sh shell and I don't have ...
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3answers
946 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 ...
4
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1answer
59 views

Should the key for an automatically running cron job that runs over ssh not have a passphrase?

I'm reading an article in Master Linux Now 2013 called OpenSSH: Easy Logins and it uses ssh-agent to allow you to enter a passphrase for your key once, and then you're able to connect to a remote ...
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0answers
59 views

code is not working , not able to create new directory using ssh

Please find the below code. I am facing issue in passing the variable which is the name of the directory to ssh to create the new directory on the remote host. out put I am getting: ssh: /: Name or ...
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0answers
30 views

PAC Manager localhost configuration

I have installed pac manager to open multiple ssh sessions of my local machine. I have created a SSH session and plugged in my ipaddress, username and password but when I click connect "button", it ...
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0answers
38 views

Many Linux commands hang during execution, but system is alive [duplicate]

I can access the system through ssh, but many commands would hang, like the following: # ps axf Read from remote host 172.17.102.22: Connection reset by peer Connection to 172.17.102.22 closed. # ls ...
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2answers
33 views

Working with firewall-protected server through ssh (dynamic IP)

I need to work on a Debian 6 server through SSH. The server is firewall-protected and SSH connections are filtered based on the user IP. Unfortunately I have an ISP provider with dynamic IP - it's ...
0
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3answers
37 views

ssh from screen leads to unknown terminal error

I'm trying to make an ssh connection (via lsh) from one Ubuntu host to another from within screen. If I try to run mc right after that I get the following error: Unknown terminal: screen-256color-s ...
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1answer
176 views

CentOS 7 - ssh login is refused when i use ssh public key, but only works with username password

I am not able to login via SSH key. I place my id_rsa.pub key in the /root/.ssh/authorized_keys [root@s .ssh]# ll total 4 -rw------- 1 root root 403 Jun 8 00:44 authorized_keys [root@s ~]# cat ...
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2answers
814 views

tmux with iterm2 attach a remote session

I'm using the Tmux integrating with ITerm2, which can create a tab in ITerm 2 for each window created by Tmux. But somehow this doesn't make much sense for the usual SSH scenario, where we first SSH ...
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2answers
2k 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 ...
1
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1answer
4k views

Forwarding X11 not working - Error: Can't open display: localhost:11.0

LM 17 Xfce OpenSSH_6.6.1p1 Ubuntu-2ubuntu2 Despite googling everywhere, I cannot seem to get this to work. I keep getting this error. $ xlogo Error: Can't open display: localhost:10.0 I have tried ...
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1answer
61 views

SSH into a Remote Machine with a Password

I'm to trying to dd a remote disk using SSH with the following command: ssh userfoo@111.111.111 "dd if=/dev/xvda1 | gzip -1 -" | dd of=/home/user/image.gz I get the following error: ssh: ...
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6answers
41k views

What does the Broken pipe message mean in an SSH session?

Sometimes my SSH session disconnects with a Write failed: Broken pipe message. What does it mean? And how can I keep my session open? I know about screen, but that's not the answer I'm looking for. I ...
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1answer
42 views

How to run a script on a remote machine using the screen command and ssh?

I'd like to run on a list of servers and run remotely a script while using screen. Manually, I'd do: screen -RD ./run_script and manually remotely I'd do: ssh root@server "screen -RD && ...
2
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1answer
41 views

View remote value of $PATH inside shell script

When executing this bash script, it only shows my local path. ssh ${REMOTE_HOST} 'bash -s' <<EOL set -e source ~/.profile echo $PATH # Commands here don't work because $PATH is ...
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1answer
70 views

ssh asking for passphrase that doesn't have passphrase

I'm trying to build docker image with this docker file and I need to clone some private repositories from bitbucket. FROM ubuntu RUN chsh -s /bin/bash RUN apt-get update RUN apt-get install -y ...
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3answers
3k views

Kill process spawned by ssh when ssh dies

This is a question that has been addressed several times, not only here, but also in other sites of the stack exchange network (e.g. ...
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0answers
16 views

Trying to use an X server over ssh starts the server using a local display instead of remote [closed]

I have a desktop and laptop computer, I would like to control the desktop from the laptop. I have an ssh server on the desktop. On the laptop I ran xinit and in the terminal I got I ran the ...
0
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1answer
39 views

Use rsync to transfer files from Windows to Ubuntu

I'm having trouble transferring files via ssh from a Windows box to an Ubuntu box using rsync and cygwin on Windows. The file transfer starts, but the newly created directories and files on the ...
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1answer
35 views

How to ignore “Unable to connect to target host” error messages

I am using an SSH tunnel. It works fine but it gives me these messages regularly: channel 5: open failed: connect failed: Unable to connect to target host channel 4: open failed: connect failed: ...
0
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1answer
42 views

Effect of limiting tcp connections through iptables to limit ssh sessions

I have limited no. of tcp connections through iptables to limit total number of ssh connections. Now when i am adding a rule with maximum limit of tcp connections lesser than currently opened ssh ...
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1answer
43 views

Difference between “local port forwarding” and “dynamic port forwarding”?

I am trying to understand the difference between "local port forwarding" and "dynamic port forwarding". In the ssh command for "local port forwarding", is it always required to specify the ...
0
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1answer
41 views

SSH Connect to hosts by using tunnel

I want to ssh connect from host A to host C directly with one ssh command. +---+ +---+ +---+ | A | -> | B | -> | C | +---+ +---+ +---+ Host A already have keys ...
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2answers
64 views

expect: does “” (spawn_id exp70) match glob pattern

I have written an expect script that works perfect for testing passwords on our network until it has looped through my list quite a bit, then the debug output shows that there is nothing to match. ...
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0answers
48 views

ssh publickey authentication to a Ubuntu running inside VirtualBox

I have a Ubuntu running inside a VirtualBox inside my Windows 8 desktop. I am trying to communicate between the Ubuntu and another Debian server in the network. I have enabled Port Forwarding in ...
2
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2answers
368 views

Can't set up ssh login without typing password

I set up automatically ssh login without typing password to a server by: cd ~/.ssh ssh-keygen ssh-copy-id -i ~/.ssh/id_rsa.pub tim@server1 It works on the server. Later I did the same on a ...
0
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1answer
129 views

Fail2ban with firewalld

I'm trying to configure fail2ban to block ssh from a local hosts. Fail2ban is install on CentOS 7 with firewall (Linux 3.10.0-229.4.2.el7.x86_64 x86_64 ). I have copied the jail.conf to jail.local i ...
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3answers
27k views

why won't x11 display work through ssh login?

I have logged in to a remote server and am trying to display an x application(e.g. firefox). but an error message appears. the below are my attempts to open firefox Black@Black-PC ~ $ ssh -X ...
0
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1answer
42 views

Export mysql to remote server using one SSH session

I've come across a situation where I had to create a utilitary shell script that would be executed in many servers from different regions. The objective is to dump the local mysql database, copy it to ...
2
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1answer
222 views

Let remote ssh session know about tmux?

Assume I run a tmux session on machine A and from it I start an interactive shell via ssh to machine B. I'd like to change machine B's PS1 to better suit the use from under tmux; for instance, I'd ...
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0answers
28 views

ssh does not decrypt private rsa key

I've noticed problems I've been having pushing code to a friend's gitlab. If the rsa key specified for use by ssh is encrypted with a password, ssh fails to ask me to provide the password and ...
1
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1answer
193 views

MIT Shared Memory Extension or MIT-SHM over ssh

I successfully created a privileged lxc archlinux container on an archlinux host with lxc. I set up a static ip via dnsmasq and ssh into it and I use xauth to forward X11. I then call programs like ...
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4answers
1k views

How do I trigger autocomplete without a tab key?

I'm ssh-ing to my machine using my iPhone with an app called ServerAuditior. It doesn't have tab key. See screenshot. How do I trigger autocomplete without the tab key? I don't want to type a lot of ...
1
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1answer
591 views

Remote ssh command not sending echo variable from a ksh script on AIX

I'm need to get the value of a variable from a remote host in a script using SSH and have to source an environment file first that does a shift at the end of its run. The command works locally and I ...
1
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1answer
39 views

How to discriminate between SSH and SCP for QoS in OpenWRT (and other systems)?

I regularly upload large amounts of data using SCP through my DSL upstream connection, which is limited to 1kbit/s. While I really want interactive SSH sessions to have highest priority, simply ...
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0answers
15 views

Is it possible to run FreeRDP without a display for running scripts?

I am working in a very strict enviroment where I only have access to a remote computer via RDP and it is impossible for me to enable SSH or SFTP etc on the other computer. I CAN connect to the ...
0
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1answer
64 views

SSH connection refused. Error 61

So, I set up another FreeBSD server. Everything was ok until I tried to connect to it via my old FreeBSD. On connection it echoes: Unable to connect to relay host, errno=61 ...
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2answers
63 views

How can I set up one-way scp?

I've got a remote server my.server.com and I'd like to allow another user (stranger) to scp files onto the box. Goals: give as little access to the stranger user as possible stranger should not be ...
2
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2answers
66 views

ssh command with quotes

I have an odd error that I have been unable to find anything on this. I wanted to change the user comment with the following command. $ sudo usermod -c "New Comment" user This will work while ...
0
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1answer
78 views

Unable to use ssh-copy-id - mktemp: failed to create file via template

I have 4 identical boxes, I logged on to the first one and did sudo -s, followed by ssh-keygen -t rsa which generated the keys and placed them in /root/.ssh/ I then typed ssh-copy-id -i ...
7
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2answers
6k views

ssh says: You don't exist, go away!

Sometimes when I try to ssh to a server, I get the following message: You don't exist, go away! I haven't seen this before using ssh. What does this mean? Is there a problem with ssh or something ...
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0answers
25 views

Forward only one port in openvpn

I have a ‍openvpn server in Amazon Cloud and I use it to make a link between my home pc and linux computer which is located on a corporate network. It works except that it routes all traffic through ...
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0answers
29 views

Transfer a file via Putty to FTP server(cPanel)

I am logged into a VPS via a Serial Console using Putty. I have created my zip file now and now I need to transfer it to a remote web hosting account via FTP. They don't have SSH/shell access on that ...
1
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1answer
129 views

Fail2ban is not blocking IPs trying to access my server via ssh

I installed fail2ban with the default settings because there's a bunch of bots trying to log in as root to my server. I installed it but nothing has changed, I checked fail2ban jail IP list and ...
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5answers
2k views

How to find which machines are idle on a cluster of many nodes

I run measurements on a cluster consisting of 32 nodes/machines. I do not require all nodes, only 4, for example. The problem is most of the time, the nodes are busy with other people running their ...