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

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3answers
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Trying to SSH into my Android phone, but connection closed

I am trying to use the ssh/sftp Daemon app on Android, and SSHing into the phone using an openssh client. Here is the verbose output I get right before the connection breaks debug1: Authentication ...
2
votes
1answer
166 views

date doesn't accept its own output

What is the option for date to give output in a format acceptable to date --set ? I'm trying to remotely set the date, using the current computer clock of my workstation. ssh user@host sudo date ...
1
vote
1answer
37 views

ssh: define group of servers [duplicate]

I am using a script to connect to multiple servers. At the moment, I am using something like: for SERVER in server1 server2 server3 ; do ssh $SERVER "my-command" ; done I have to specify the (many) ...
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0answers
45 views

Prevent scp from asking passphrase [duplicate]

I have enabled private key based access to my server. I have generated the certificates with a passphrase. So to ssh to that machine I have to do - $ ssh -i .ssh/id_rsa_server foo@example.com and ...
7
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2answers
4k views

Ctrl-C handling in SSH session

When I start an SSH session that executes a long-running command, what happens with Ctrl+C (SIGINT) handling? I can see that the SSH session is closed, but I am not sure who gets the SIGINT first: is ...
0
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2answers
206 views

Run an SSH command on two hosts whose name comes from another command

So what I'm trying to do should be fairly simple but I can't seem to figure it out. I need to kill a certain process on different boxes, they all have a defined IP range although they will eventually ...
7
votes
1answer
736 views

Why doesn't the process substitution <() work with ssh -F

I have some vagrant virtual machines. To log into them I issue the vagrant ssh command. I want to log into them using regular ssh command. The vagrant ssh-config outputs the suitable config file $ ...
1
vote
3answers
64 views

How to find from what computer I connected to a current server

I often work on one of available to me Linux/HP-UX servers (let's say it is server1) and then do ssh server2 ((let's say it is server2)) and start working on another Linux/HP-UX server. Then I can ...
1
vote
1answer
487 views

Session limit for OpenSSH server on Ubuntu Desktop 7.10

I need restrict session limit on my OpenSSH server only for one session (one connection). I use Ubuntu Desktop 7.10. Of course Version is old, but I need it for experimental purposes. I tried modify ...
3
votes
3answers
900 views

Correctly parse arguments in script behaving like a shell called through SSH

I have a server with a very limited used whom I want to be able to run two very specific (and custom) instructions through SSH. In order to do that, I have set the shell for that limited user to be a ...
2
votes
2answers
4k views

Can a shell script running in a ssh continue to run if the SSH instance closes? [duplicate]

I'm trying to write a shell script that does a lengthy batch job on a remote server. I'll be running the script over SSH. The thing is, I intend to start the script in the evening and collect the ...
3
votes
1answer
138 views

Do ssh_config rules cascade?

I have the following rules Host * Compression yes Host sop HostName 192.168.56.101 if i ssh sop will the compression flag also be added?
3
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1answer
2k views

Granting access to a restricted git shell

I tried setting up git-shell on our CentOS (6.4) system (after getting this working correctly on Ubuntu 13.10, maybe cross platform hot mess?) my /etc/passwd shows git:x:500:500:Web Archive ...
1
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2answers
1k views

SSH will not make a local connection without password prompt

While trying to set up a loop back ssh I am getting prompted for a password after a pub key install, this is a CentOS 6.4 server. ssh_config (grep -v ^# /etc/ssh/sshd_config | grep -v ^$) is here: ...
4
votes
1answer
1k views

Weird SSH/SCP progress meter behavior

I've got a very weird SSH behavior and it's making me a bit nervous. Basically the progress meter is totally bogus: so bogus that it's nearly useless. And I fear that there may be something else going ...
1
vote
1answer
1k views

startx from mac osx to RHEL6

I am trying to get a GUI over ssh -X. My RHEL6 server did not have X Window System and a graphical desktop environment. So I installed using yum groupinstall "X Window System" Desktop. It installed ...
1
vote
3answers
10k views

Set environment variable automatically upon SSH login (no root access)

The situation: I run Ubuntu 12.04 LTS on a virtual machine. I regularly have to connect to my account on a university server, I do this by opening up terminal and using ssh -Y username@server.com. ...
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0answers
29 views

SSH tunneling via few hosts [duplicate]

That question is'n only about Unix/Linux - but contain something... So - given: host1 with TeamCity server running on 8111 port; host2 which will be "ssh-proxy" between client and host1. From host1 ...
26
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4answers
3k views

How do I play an HTTP music stream over SSH?

I know I can just do mplayer <stream> to open and play a stream on the local machine. However, I'm behind a firewall. Instead, I'd like to open the stream on a remote machine, but still play it ...
17
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2answers
17k views

SSH: tunnel without shell on ssh server

I have to set up a tunnel between two hosts. For this i use ssh in this way: ssh -L MY_LOCAL_PORT:FOREIGN_ADDRESS:FOREIGN_PORT MYUSER@SSH_SERVER after that, I login into my SSH_SERVER. How can I ...
2
votes
1answer
297 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 ...
1
vote
1answer
503 views

Execute command on remote host fails

I'm trying to execute some commands on remote host like this : ssh -t -t -l user 172.20.20.20 <<EOF pid=$(ps -ef | grep [a]pp-management | awk '{print $2}') && kill -9 $pid && ...
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1answer
3k views

ssh (remote console) between 2 computers from different private networks

I have two computers. Both of them are from different private networks. I'd like to connect from one of them to another (to program on it remotely). I attempted to use some remote desktop software ...
7
votes
3answers
5k views

Bash: interactive remote prompt

I have a script which connects to a remote server and check if some package is installed: ssh root@server 'bash -s' < myscript.sh myscript.sh: OUT=`rpm -qa | grep ntpdate` if [ "$OUT" != "" ] ; ...
1
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1answer
121 views

I've installed a Public Key, but my login doesn't ask for the passphrase

I'm following this tutorial SSH Tutorial for Linux I've manually transfered the public key to the remote server and I ran these commands also because it wasn't asking me for my passphrase. chmod ...
0
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2answers
119 views

I'm trying to install my public key manually w/ scp

I'm following a tutorial and it's going along well. I used ssh to connect fine. Then I created a private and public key. Which leads me to my first question it says that the keys have been saved to ...
0
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1answer
64 views

ssh-keygen utility

Is this possible to change the path that ssh-keygen use the files from? The default one is $HOME/.ssh/ so is this possible to change this? Like for example when using ssh-keygen -R to remove the host ...
1
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1answer
597 views

Why is my ssh connection unauthorized although I have updated my key on the remote machine?

On my local machine I have a public key stored in .ssh/id_rsa.pub To be able to log in to a remote machine I copy this key using ssh-copy-id: ssh-copy-id user@remote-host On the remote host, I ...
18
votes
3answers
22k views

Permit root to login via ssh only with key-based authentication

I have some doubts about certain ssh server configurations on /etc/ssh/sshd_config. I want the next behavior: Public key authentication is the only way to authenticate as root (no password ...
0
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2answers
870 views

SSH authentication by public key and password in the same time

Something is not clear to me with SSH authentication. I have a Talend job which connects to sFTP (using SSH protocol) and on the property page of the component, I have the choice between: 1. ...
6
votes
0answers
2k views

git-upload-pack hangs indefinitely

I have the following call structure: Jenkins runs fab -Huser@host set_repository_commit_hash:123abc. set_repository_commit_hash runs git fetch with pty = False. The child process ssh git@github.com ...
3
votes
1answer
2k views

How to copy a public key to your server

I was trying to figure out how to add a new SSH key to my amazon server - I found this question and answer How do you copy the public key to a ssh-server? However I am so new to Linux/Unix and I ...
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0answers
640 views

IBM AIX: How do I set up SSH X forwarding on an unprivileged user with no home?

Long story short: I have an AIX server where my user is unprivileged and has no home directory, and it is not easy to fix this because OS-level management of this server is outside of my jurisdiction. ...
2
votes
1answer
2k views

How to set the TMOUT in Putty [duplicate]

I'm working in Linux. My connection to PuTTY times out very quickly and I need to have it remain active as long as I wish. I set the TMOUT in my Linux .profile but that has not seemed to make any ...
0
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2answers
4k views

SSH client authentication as non root user

On my system ssh client authentication was allowed for root, but I wanted ssh client authentication to be allowed only for non root users. To disable ssh as root, I changed the PermitRootLogin yes to ...
1
vote
1answer
609 views

Reverse connection to SSH server [duplicate]

Machine A is connected to the internet and is behind firewall so it cannot receive incoming connections. Machine B is open to the internet. I want to be able to type commands into B and have them ...
0
votes
3answers
4k views

Creating directory on an external hard drive via command line (SSH) on Linux

I have tried many approaches to create a directory on my external hard drive. Here is the details when I do fdisk -l What I get: pi@raspberrypi:~$ sudo fdisk -l Disk /dev/mmcblk0: 3965 MB, ...
4
votes
3answers
3k views

SSH parameter to ignore .bashrc script

I have a server which when it starts, a line in .bashrc executes the following command /bin/watch ~/checker.bash which as expected watches that command upon server start. I also have a client which ...
3
votes
1answer
693 views

Open 2 instances of the same program

I have a SSH server running in my home computer, with X11Forwarding enabled. I would like to connect to my computer from another computer and run some graphical programs. The problem is, that if a ...
1
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3answers
381 views

Debian cannot SSH to OS X by hostname (Windows OK)

I've seen some questions asking why xxx can't connect to MyMacName.local, which answer regarding Avahi as a requirement. I don't think I am in the same category as I can successfully connect to a ...
3
votes
1answer
548 views

Permission issues when doing system backup using rsync [duplicate]

I'm trying to backup my linux system (arch linux on a laptop) to a remote computer on the same network using ssh (or NFS). I use rsync extensively to backup my /home directory to the remote computer ...
3
votes
1answer
57 views

Can't change to Korean-named directory on my debian server

I made a rsync backup of some directories from a macbook laptop to a debian server. Some of these have korean characters (Hangeul) in their names. After fixing my server's locale, it displays well ...
2
votes
3answers
606 views

Monitor via SSH and execute local script upon change detection

I have an environment where I can SSH into a Linux machine via Cygwin, but not the other way around due to a security policy out of my control. I need to automate tasks on the Windows machine but ...
2
votes
1answer
632 views

accessing stdin/stdout of a process started in another tty

I logged in to my linux physically(say tty1) and started a process that watches stdin for commands and has some stdout-put. How can I access/use this process from a SSH session?
3
votes
2answers
1k views

how to include or add /dev with tar --one-file-system

I'm running tar on a complete remote filesystem using ssh -n <hostname> 'sudo tar -cpvzf - --one-file-system /' | cat > Bak.tar.gz This gave me a tarball. I tried importing this tarball ...
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votes
2answers
573 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, ...
1
vote
1answer
184 views

KDE apps look ugly over ssh

I am on a Kubuntu machine and sometimes reach another Xubuntu machine over ssh, and launch some KDE apps from there, these apps look really weird while the GTK apps look normal. Here are some ...
1
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1answer
1k views

ssh with sudo doesn't start services

I want to run command with sudo through ssh without disabling "requiretty" sudo option. According to /etc/sudoers: # # Disable "ssh hostname sudo <cmd>", because it will show the password in ...
4
votes
1answer
679 views

How can I stop ssh from trying to create ~/.ssh?

I'm working on an rsync-based backup for a FreeNAS system. Part of the backup process involves logging into the remote system that serves as the backup storage. Whenever I do that, I get the message ...
2
votes
2answers
135 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 ...