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

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3
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1answer
53 views

SFTP on Raspberry Pi troubleshooting

I'm trying to create a folder shared with SFTP in my Raspi. There are some issues, which are reported to be related to folder administration rights. Trying to solve them seems useless. I'm reporting ...
15
votes
9answers
74k views

ssh_exchange_identification: read: Connection reset by peer

I am on OS X trying to ssh into a ubuntu 12.04 server. I was able to SSH in -- until abruptly stuff stopped working. I've read online to use the -v to debug this. Output is shown below. If I ssh into ...
14
votes
6answers
11k views

Copy input to clipboard over SSH?

Here's my usage case: I'm often connected to other computers over SSH for work and I often need to copy and paste documents/text from the server to locally running editors for writing examples and ...
0
votes
1answer
42 views

Unable to execute batch remote commands after pkill command

We've a scenario where I'm executing various remote commands at once like the following: ssh user@remote-ip " ps -A | grep java rm -rf /usr/share/tomcat/webapps/ROOT ls " The above set ...
0
votes
1answer
114 views

How to run multiple sudo commands over already opened ssh connection

I am trying to navigate from one server"USER1" to another using ssh as a user "USER2". ssh -t $hostname "sudo su - USER2; whoami; pwd" Post executing the above, I am able to successfully navigate ...
2
votes
1answer
250 views

Fedora 20: irqbalance problems in logs, strange behavior

I'm seeing unexplained network behavior, such as sporadic inability to reach beyond the subnet, passwords rejected for no apparent reason, and SSH attempts constantly yielding that irksome ...
0
votes
1answer
179 views

rkhunter warning about ssh root access when that access is not allowed on the system

I just ran rkhunter --check and all was good except this: Checking if SSH root access is allowed [ Warning] What does this warning mean? SSH root access is not allowed on this ...
3
votes
2answers
108 views

Toolbar icons unable to load when running Emacs through xhost from FreeBSD to Ubuntu

I'm connected to a FreeBSD Computer using ssh [ip] -X, and emacs launches just fine, but this happens and all the icons are little pieces of paper with red X's: > emacs (emacs:22812): ...
0
votes
1answer
73 views

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
votes
3answers
231 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 ...
2
votes
5answers
147 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 ...
0
votes
0answers
45 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
votes
3answers
90 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 ...
4
votes
1answer
74 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 ...
0
votes
0answers
34 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 ...
0
votes
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 ...
0
votes
2answers
36 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
votes
3answers
42 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 ...
1
vote
1answer
344 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 ...
-2
votes
1answer
64 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: ...
40
votes
6answers
43k 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 ...
1
vote
1answer
73 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
votes
1answer
45 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 ...
0
votes
1answer
106 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 ...
8
votes
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. ...
1
vote
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
votes
1answer
62 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 ...
1
vote
1answer
38 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
votes
1answer
61 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 ...
1
vote
1answer
87 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
votes
1answer
44 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 ...
0
votes
2answers
82 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. ...
0
votes
0answers
62 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
votes
2answers
398 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
votes
1answer
312 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 ...
0
votes
3answers
31k 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
votes
1answer
67 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
votes
1answer
235 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 ...
0
votes
0answers
38 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
vote
1answer
208 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 ...
10
votes
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
vote
1answer
646 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
vote
1answer
79 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 ...
0
votes
0answers
27 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
votes
1answer
80 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 ...
2
votes
2answers
75 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
votes
1answer
143 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
votes
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 ...
0
votes
0answers
33 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 ...
0
votes
0answers
44 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 ...