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

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0answers
634 views

“Operation not supported” for setfacl inside a python script [closed]

I've programmed a script using python which logs in as root on the host machine and executes some commands. Therefore it uses ssh. I want to setup acl. If I do following commands in the command line, ...
5
votes
2answers
4k views

How can I run Yast with X and ssh?

I have an openSUSE machine which I log on to with ssh -X. I don't want to log in as root but I do want to run graphical Yast. Inside the ssh session sudo starts the console version of Yast. However, ...
0
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2answers
557 views

SSH connection does not work while browsers do

I have the following network layout: Internet comes true fiber optics to modem. From modem LAN cable goes to router. Since that router wifi signal is weak, a LAN cable goes to another router from ...
8
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3answers
41k views

Shell Script for logging into a ssh server

I tried writing a shell script which can do automatic login into a ssh server using password which is mentioned in the script. I have written the following code: set timeout 30 /usr/bin/ssh -p 8484 ...
7
votes
1answer
2k views

SSH not terminated after exit when there is X Forward program

After running X programs over SSH, SSH doesn't terminate after shell exit (have to use e.g. CtrlC to kill it). My guess is although the X program already exit, there is still some "connection" left ...
3
votes
4answers
2k views

passing passwords to a script

I want to scp a file to a remote host, and from there, run a command on the file, and exit the remote session. If I write a usual script, call scp and then ssh, I am prompted to enter two passwords. ...
4
votes
2answers
5k views

Running a command on the remote host with interactive SSH (conditionally)

I would like to be able to automatically run a command on a remote host each time I log into that host, but within the current interactive SSH session. Something like ssh user@remotehost [run do.sh] ...
5
votes
1answer
459 views

Is there any way to get an HTML page rendered through Chrome/Chromium from a console?

Is there any way to get (into a file, for example) a rendered HTML page from Google Chrome/Chromium, but from a console. For example, SSHed into a machine that has Chrome/Chromium installed on ...
5
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5answers
690 views

I messed up my zshrc on a remote server and now I can't run any commands!

On a remote machine I changed my zsh settings and it is now broken, for every keypress it says: "url-quote-magic:1: url-quote-magic: function definition file not found " I don't have another ...
4
votes
1answer
930 views

How to setup port redirection after a ssh connection has been opened?

I'm using openssh on both client and server. I know I can run ssh -L or ssh -R to setup some port redirections over ssh. However, since they are command-line parameters, such redirections must be ...
15
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7answers
54k views

Execute remote commands, completely detaching from the ssh connection

I have 2 computers, localpc and remoteserver. I need localpc to execute some commands on remoteserver. One of the things it needs to do is start a backup script that runs for a number of hours. I ...
2
votes
3answers
5k views

Finding the IP address of an ssh connection made in the past

A few weeks ago I made a few ssh connections from my home PC to my college PC and the other way around. Currently I am sitting at my home PC and I am trying to figure out what was the college PC IP ...
6
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1answer
257 views

Running programs over ssh

I am planning to log in to my college PC using ssh and run some simulations. These simulations take very long time, so I would like the relevant process to run longer than the ssh session (I want to ...
6
votes
3answers
526 views

firefox process dies after ssh log out on remote machine

I need to run firefox on a remote host via ssh and keep process running even after ssh logout. I already have tried these ways: nohup firefox & screen disown -h But it seems these work only ...
7
votes
3answers
14k views

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 ...
1
vote
2answers
2k views

ssh root@localhost error; help me hack this box :)

I need to gain a root shell on a linux vm for a security class. I have a user account on the system and a means to write to any file (i.e. /etc...) and want to escalate my privileges with: ssh ...
1
vote
2answers
215 views

How can I use the same IP from the Internet and intranet?

I have an Ubuntu firewall box (Alma), at the office, with a web server on it. It looks like this: [Internet] <-> [DSL Router] <-> [Alma] | ...
5
votes
2answers
4k views

Why SSH is asking for my private key password each time

Since yesterday, each time I try to connect to an ssh server, I got asked for my password. What should I do to make SSH not ask for my password each time.
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3answers
9k views

How do I know if my ssh tunnel is created successfully?

I rely on the following script tunnel.sh written by others to keep a ssh tunnel alive: #!/bin/bash export SSH_HOST=tim@server if [ ! -f /tmp/.tunnel ] then echo "Creat SSH tunnel" ssh -f -D 9999 ...
3
votes
1answer
3k views

ssh tunnel on ssh tunnel between Windows and two Linux machines

I have the following configuration and want to establish a tunnel on a tunnel. I read already the following topic: How to put a tunnel in a tunnel? My configuration: Notebook --> Linux Server A ...
7
votes
2answers
438 views

Continue shell commands once connected to SSH

Not sure if the question I'm asking is correct but basically I wanted to automate this process scp ~/.ssh/id_rsa.pub username@example.com:~/ ssh username@example.com mkdir .ssh cat id_rsa.pub ...
6
votes
3answers
1k views

Keep running a script via ssh

ssh can use to run remote commands. ssh me@server.com 'long-script.sh' I run a long script that will take a lot of time, but I want to close my computer and keep running the script in the remote ...
6
votes
4answers
5k views

What slows down my ssh login?

Everytime I ssh login to a server, it is always very slow. As a reply to my earlier post said, "grepping through a 200 line file should take millisecond or so, so I would doubt its that." I tried ssh ...
58
votes
7answers
22k views

Is it possible to run ssh-copy-id on port other than 22?

I have a server with SSH running on a non-standard port. Instead of 22, it runs on 8129. To log in, I use: ssh -p 8129 hostname Now, whenever I need to set up a key for password-less login, I have ...
5
votes
1answer
2k views

Is my default remote shell a trouble maker?

By finger tim on the server, I learned that my default shell is some script /usr/local/bin/bash-wrapper whose content is: #!/bin/bash USERNAME=`whoami` if ! grep ^$USERNAME$ /etc/domain-users > ...
15
votes
4answers
19k views

How do you copy the public key to a ssh-server?

Here is what I have tried, and I got an error: $ cat /home/tim/.ssh/id_rsa.pub | ssh tim@just.some.other.server 'cat >> .ssh/authorized_keys' Password: cat: >>: No such file or directory ...
9
votes
1answer
1k views

How to detect when a shell is owned by a remote SSH session?

My question is similar to this one, but I'm looking for something slightly different. I have a notebook PC that I use to access Linux machines on a network in two different scenarios: I have a ...
5
votes
5answers
13k views

sshfs always asking for password in fstab?

I'm trying to enter an sshfs mount in /etc/fstab with the following line: sshfs#oli@192.168.0.2:/media/usb0 /media/ExtHD fuse defaults,nonempty,allow_other 0 0 So that this volume is mounted at ...
3
votes
3answers
18k views

How can I get the address of my local machine?

I'm on a macbook running Lion. In Terminal I'm connected to my schools server with ssh. I navigated to a folder on the server and have a file I want to copy to my local machine, but I don't know what ...
1
vote
1answer
586 views

Mounting Remote Filesystem over SSH as a Different User

Due to a breach of security, the administrators of the work server have implemented a new method of security. To log into the server, we must log in as our own user (which has severely limited ...
2
votes
4answers
2k views

How to replicate (fork) the current terminal

Say I am using terminal and have sshed to a remote machine and did something. How do I create a new terminal tab (or window) so I still has everything from the previous terminal window without having ...
4
votes
2answers
672 views

Sharing private keys across machines

Say I have local access to two machines A and B and remote access to machine C. If I generate a public-private pair of keys for accessing machine C from A, can I share the private key with machine B ...
3
votes
1answer
605 views

ssh “-f” don't give back hand in bash when listening to stdout/stderr

Please look at these: ## Does NOT return to the shell, but Ctrl-C can exit ssh -S none -fNR 13018:localhost:22 example.com | cat ## Returns to the shell (no "-S none") ssh -fNR ...
4
votes
2answers
4k views

How to start plasma-desktop from SSH-console on desktop session?

I killed KDE's plasma-desktop on a openSUSE 11.2 machine, because it was eating too much CPU. How can I restart it via SSH or another tty session? On the affected computer there is only shown a ...
5
votes
1answer
380 views

SSH HTTP Tunnelling

I am trying to set up an SSH account on my server for someone, and I only want to give them access to tunneling internet traffic. I set their user's "shell" to /bin/true, so now when they SSH (and ...
6
votes
3answers
1k views

emacs syntax highlighting fails on my SSH client

I need to connect to a remote server by SSH to edit some documents. When I work at home, I SSH to the remote server using SSH Secure Shell and open emacs, but it doesn't fully highlight documents as I ...
2
votes
2answers
2k views

Web access through a remote proxy accessed over SSH

I'm browsing the web on a client PC running Windows or Linux. I want to browse a website (http://access.lan:52050//cgi-bin/login.cgi) which is not directly accessible from my PC. I can browse the ...
0
votes
2answers
332 views

Creating SSH Terminal Wrapper

I'm new to scripting, but somewhat familiar with Linux. I am actually using this on a Fedora16 build, with Gnome3 and gnome-terminal... fyi. I flip through all sorts of ssh terminals all day long ...
2
votes
1answer
780 views

What causes delay in my keystrokes on OSX's Terminal application?

I'm using the OSX application Terminal to work remotely on Amazon EC2 servers through SSH. Occasionally and seemingly randomly, my keystrokes are delayed. I've tried reconnecting, restarting ...
14
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2answers
2k views

Accidently created a file called -X, how can I delete it? [duplicate]

Possible Duplicate: How do I delete a file whose name begins with “-” (hyphen a.k.a. dash or minus)? Like an idiot, I ran this command: tar -cf -X awstats-icon icon ...
1
vote
1answer
1k views

Execute command through SSH

I am writing a script to check whether all the servers in my organization are functioning properly. One of those is Zimbra mail server. I am trying to send a mail through sendmail provided by zimbra ...
9
votes
2answers
729 views

Is an SSH connection faster if I lower the RSA key size?

I have a very slow connection, and I need to use SSH on it. How can I increase "the speed"? I mean is using big RSA keypairs a large overhead? Would lowering the key size increase the effective ...
2
votes
1answer
298 views

How to put a tunnel in a tunnel?

I know I can create an ssh tunnel and then tell a program (with tsocks) to use it for networking. But. How can I put an ssh tunnel in an ssh tunnel? I mean I can't again use the tsocks in tsocks ...
2
votes
2answers
2k views

Fedora 16 ssh over the internet/home network help. Same computer ok

I first posted this on serverfault, but this forum seem to be more appropriate. http://serverfault.com/questions/345471/fedora-16-ssh-over-the-internet-home-network-help-same-computer-ok I think I ...
0
votes
2answers
1k views

Cannot Connect Using SSH: UseDNS terminating

When I attempt to login via ssh like so ssh marc_mtpt0@m3pt0.com I get this response: /etc/ssh_config: line 51: Bad configuration option: UseDNS /etc/ssh_config: terminating, 1 bad configuration ...
8
votes
4answers
4k views

Copying protected files between servers in one line?

I'd like to copy squid.conf from one server to another. The servers don't talk to each other. I'd like to go through my workstation. Both servers have the file, so it will be overwritten on the ...
2
votes
1answer
587 views

UFW Limit does not appear to work

I have my ssh port changed to XXX. Then I did ufw limit XXX/tcp However, when I try to login, after 5/6 failed attempts I get thrown back to prompt, but I can try again. Is that supposed to be the ...
6
votes
4answers
3k views

SSH authentication: either SSH keys or one time password

I have an Ubuntu 10.04 Linux server that I normally ssh into (from my home machine) using ssh key authentication. However, sometimes I need to ssh remotely from potentially insecure machines (like ...
2
votes
1answer
950 views

.ssh/config way to spectify pseudo-tty allocation and command execution (like screen)

Is there any way to specify, in .ssh/config, a command like: ssh -t remote-host "screen -dR screen_name" so I can easily access the remote screen session with ssh remote-host? Right now I solved ...
9
votes
4answers
647 views

Good practice to use same SSH keypair on multiple machines?

I recently got a new laptop for work, and I was wondering whether it'd be good practice to keep using the same RSA keypair as I'm using on my old work laptop. I'd really like to not have to create ...