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

learn more… | top users | synonyms

2
votes
0answers
295 views

Webmin alternative that installs & runs on the client machine & communicate via SSH

Are there any Webmin alternatives that don't consume server resources but instead install on client machine & communicate via SSH client. So effectively all the actions made on that GUI are ...
2
votes
1answer
200 views

Why is a user started process running when not logged in?

Following a tutorial on setting up gnupg to manage ssh keys I've managed to get several instances of gpg-agent running: [root@frylock ~]# ps aux | grep agent root 2764 0.0 0.0 4208 432 ? ...
2
votes
0answers
291 views

Mint changes default route when eth0 comes back and breaks existing tcp connections

I have two interfaces on my laptop (eth0, wlan0). lets say I am moving away from desk and connecting to an internal network A using openvpn software which uses wlan0 as gateway. I then ssh to a few ...
2
votes
1answer
405 views

Can't login to remote debian system with RSA key and ssh.exe from Cygwin

I need to login to a Debian server using ssh.exe from Cygwin. I've generated an RSA key and appended it to the authorized_keys file. Debian is OK, because I was able to use the RSA key using PuTTY ...
2
votes
0answers
106 views

Moving the mouse over a terminal window generates escape sequences [closed]

When using tmux over a ssh connection, if I launch a program to keep open, I run into troubles when I move my mouse inside the tmux window: ...
2
votes
1answer
4k views

Unable to ssh into Ubuntu 12.04 LTS [could not resolve hostname (hostname): Name or service not known

I'm just starting with a clean install of Ubuntu Server 12.04. I've run: $ sudo apt-get update $ sudo apt-get upgrade I've added the following to /etc/hosts: 127.0.0.1 (hostname) The file ...
2
votes
2answers
308 views

Unable to force passphraseless ssh authentication while port forwarding

I'm completely at a loss as to what is preventing my local machine from authenticating the connection that is being forwarded from the remote server. I've read a ton of the posts on here regarding ...
2
votes
1answer
282 views

vim and tmux are conflicting. How can I fix this? [duplicate]

I'm having a painful experience with tmux. I'm using solarized in vim but when I run tmux then my vim configuration does not work. It's as if solarized is not configured in my .vimrc. Out of tmux ...
2
votes
0answers
2k views

How to run ssh -t user@remote 'sudo nohup bash -c “comand”' in background

I want to run a script on a remote host with sudo privilege, someone suggests that I should use nohup and ssh -t, like the following command: The script ls; sleep 10; echo finish is crafted here to ...
2
votes
1answer
101 views

How can I use ForwardAgent with keychain, or detect a new login?

My scenario: I have Server A at home, and Server B at my parents house. I also have Laptop A and Laptop B at home. I do all sorts of strange ssh hops - I might connect Laptop A -> Server A -> ...
2
votes
1answer
753 views

ssh-add -D doesn't erase stored keys from the ssh-agent

How come this happens?: stan@tcpc:~/.ssh$ ssh-add -l 8192 e0:45:5e:cc:45:3e:17:2b:a6:54:6f:8d:53:1b:j2:e3 github (RSA) 2048 25:41:53:a6:45:5d:ac:eb:5c:45:f8:ce:42:a9:he:aa BITBUCKET (RSA) ...
2
votes
1answer
1k views

Transferring Files SSH SCP Error Message: 'Stdin: is not a tty'

I am using a Macbook SSH terminal and generated RSA key pairs and uploaded remote id_rsa.pub with approved permissions. I can connect with remote Apache web server. I can create, open, move, modify ...
2
votes
0answers
80 views

Why isn't hydra being disconnected?

I have SSHD running on port 5800 on some machine. (It is a my machine at home.) If I run this manually in a terminal: # ssh someIP -p 5800 The connection is lost because I am disconnected after 3 ...
2
votes
1answer
72 views

Change order of Private Keys passed via SSH login

ssh -i ~/.ssh/username username@xx.xx.xx.xxx -v Server is set to accept only 3 log on tries. The ssh system is trying 3 identity files before attempting the correct identity file. debug2: key: ...
2
votes
0answers
325 views

Making ChrootDirectory directory writable by SFTP user

If a user logs into a machine via SFTP, one can make use of ChrootDirectory keyword to give an illusion that user is in a root directory. But that directory is only writable by root user. I would love ...
2
votes
0answers
95 views

No communication services enabled following startup

I recently installed Parsix (Debian) on my system, and I've been struggling to figure out how to autostart my services. Of the list of services that don't run and should run are: ssh apache mysql ...
2
votes
0answers
1k views

How to set ssh access for user on debian?

I set groups: usermod -G ssh username and then I've checked account info: id username the result is: uid=1000(username) gid=1001(username) groups=100(username) Anyway if I try to login using ...
2
votes
1answer
315 views

Can emacs use gpg-agent in a terminal at all?

I understand that there are problems with getting pinentry-curses to work with emacs (see some of the comments on http://emacswiki.org/emacs/EasyPG), and so using emacs in a terminal isn't compatible ...
2
votes
3answers
824 views

How to append / extend zshell completions?

I am using zsh with oh-my-zsh. Unfortunately, oh-my-zsh does not use file ~/.ssh/config for hostname auto-completion (see Issue #1009, for instance). This could easily archived by the following code: ...
2
votes
0answers
118 views

Why do I get a different RSA fingerprint when multihopping using ProxyCommand

I'm using the following config to connect to multihop to the target host (gw2 and target have my public key stored in the authorized_keys file ; no netcat on all systems): Host gw1 HostName ...
2
votes
1answer
268 views

Matlab R2010a over ssh -X displays empty windows

I'm trying to use Matlab R2010a over ssh, with X forwarding. Now the X forwarding certainly works (for example xclock displays nice and fast) But when invoking matlab, I get the splash screen ok, ...
2
votes
3answers
1k views

How to do svn update without password on crontab [closed]

I'm new to svn and ssh. I'm trying to do svn update of 5 repositories in my local system every 3 hours on crontab. So, to achieve this I have setup ssh passwordless login using the below steps: ...
2
votes
4answers
9k views

Copying files from one machine to another without asking for password

I am currently using this command. I am on another machine (ip1) scp file.txt root@ip2:/home/praveen/test.c /home/praveen The command will prompt for password. I use it in some shell scripts, and ...
1
vote
2answers
354 views

How to specify where files are transferred to using ssh

I know how I can send files to a specific directory on a remote server using ssh, but I don't know how to specify it.
1
vote
2answers
8k views

Colorful ssh banner

I would like to colorize my ssh banner. I know I can perform it like so: In /etc/profile I can put: echo -e "\e[1;31m Colorful text" echo -e "\e[0m Reset" But I have some ASCII art in the banner ...
1
vote
3answers
639 views

what does this ssh command mean?

Its an answer I got from questioning about port forwarding but I'm not sure what it means.. $ ssh lab_desktop -L 2200:lab_server:22 -vvv my wild guess: first get connect to lab_desktop and then ...
1
vote
3answers
163 views

Why does SSH have unsecure defaults?

Why does SSH come with such an unsecure default configuration? to name what I consider unsecure defaults: root login enabled on SSH SSH protocol version 1 (which is vulnerable to MIM attacks) ...
1
vote
3answers
240 views

Launching shell script from SSH and disconnect

I have a script which I run from SSH that launches several processes which I would like to keep open when I disconnect from my session. Is that feasible? Launching the script in background is not a ...
1
vote
2answers
274 views

How to check which SSH keys are currently 'active'?

How might one check which .rsa, .pem, and other files are 'loaded' or 'active' by ssh-add? I just had this scare: $ scp -i /home/dotancohen/.ssh/dotancohen.pem someUser@1.2.3.4:~/files.tgz . Warning: ...
1
vote
2answers
4k views

How can I scp a file that my user can't read but I can sudo?

Can I use scp to copy a file from a remote server which my login user can't read, but where I have permission to sudo to root (without password even)? How?
1
vote
5answers
2k views

How to securely automate running commands as root with “sudo su -”?

hint (on client side, how to encrypt files/pwd's): # encrypt pwd with ssh key: openssl rsa -in ~/.ssh/id_rsa -outform pem > ~/.ssh/TEMP-id_rsa.pem 2>/dev/null openssl rsa -in ~/.ssh/id_rsa ...
1
vote
2answers
993 views

Have bash script wait for password

I want to write a little script which sets up a socks proxy via ssh and then starts a browser using that proxy. #!/bin/bash ssh -D 1234 user@host #& chromium-browser ...
1
vote
1answer
3k views

How can I resolve the “invalid ELF header” warning when trying to SSH and what does it mean?

I'm getting some kind of warning when checking my connection to github. Why is it happening and how can I resolve it? $ ssh -TI ~/.ssh/id_rsa git@github.com dlopen /home/ubuntu/.ssh/id_rsa failed: ...
1
vote
4answers
1k views

How to prevent a program from dying when its ssh session dies?

I have a really old console application that I want to make a bit more resilient. The program is used this way: the user uses a custom terminal emulator to connect to a remote machine through ssh ...
1
vote
1answer
108 views

Copy newest file in directory over SSH

How might one copy the newest text file from a particular directory on a remote server to his local machine? On the server itself I can do the following: $ cat `cd /home/user/dir ; readlink -f $(ls ...
1
vote
2answers
628 views

Shell Script - how to scp into remote server and download files and protect password

I have a remote server that I need to download Apache logs from. I can manually scp into the server and get the files, but I'd like to put this in crontab. The only way to automate it is to include ...
1
vote
2answers
2k views

How to use `~/.ssh/config` setting for each server by `rsync`

I'm now using rsync with -e 'ssh -p 10022' option to specify the port. I have already ssh setting in ~/.ssh/config. Host myvps HostName example.com User ironsand Port 10022 Can I use this ...
1
vote
1answer
142 views

Are the SSH manual pages wrong?

The ssh manual pages states the following: -L [bind_address:]port:host:hostport Specifies that the given port on the local (client) host is to be forwarded to the given host and ...
1
vote
4answers
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 ...
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
240 views

ssh into folder

Is there a simple unix command to SSH into a folder? I'd like to make my aliases doing that extra step for me! Feeling dense. Does this just not exist? ssh username@mydomain.com:/var/www/mysite
1
vote
2answers
4k views

SSH public key won't send to server

I've been struggling with this for a couple hours so any help is greatly appreciated... I have 2x servers both of which I can ssh to with public keys from OSX, no issues at all there so I'm certain ...
1
vote
2answers
1k views

Why do my sshd logs show many trys on invalid ports?

My ssh daemon is setup to listen on port 2221. I have also disabled root login from ssh. I don't understand why in auth.log I have attempts to log on other ports (example with 4627 here). May 17 ...
1
vote
3answers
223 views

How do I start a server via ssh and have it run after I log out?

I ssh into a virtual server and start up a web server. Everything runs as expected. But when I close my terminal on my laptop, the process dies on the virtual server. How do I fix this?
1
vote
2answers
77 views

Where do I put the private ssh key?

I have set up a key pair and they work fine if I use the -i <privateKey> switch. Where should I put the private key such that I can just type ssh my.remote.host without using -i? I tried ...
1
vote
1answer
133 views

Copy files via a complex ssh connection?

Suppose I have host A from which I ssh to host B, where I sudo -U some_role and from under it ssh to host C. My goal is an interactive shell on C. Assume that from C I cannot ssh back to A. What is ...
1
vote
2answers
91 views

how to require sudo to view files?

I have a ssh server. I allow people to connect to it if they want. I do my programming homework on it. I am in trouble with my teacher because people were cheating off it. I need to know how to ...
1
vote
2answers
695 views

Bypass sshd AllowTCPFowarding=no by installing own forwarder?

In the man pages for sshd_config, for the AllowTCPForwarding option, it states: AllowTcpForwarding Specifies whether TCP forwarding is permitted. The default is “yes”. Note that disabling ...
1
vote
1answer
2k views

perform remote sqlite command

If this should be moved to the DBA exchange, I apologize. Feels more like linux than DB to me, so here goes: I've got some machines that run scheduled cron jobs every night and email me the output. ...
1
vote
2answers
9k views

SSH tunnelling with multiple dynamic port forwardings

I am trying to monitor multiple JVMs running on different servers through an ssh tunnel. Thanks to one of the UNIX gurus here, I have managed to get this running for a single server by: Run jstatd ...