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

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I hang when I try to ssh into a machine with my username (or su to my user) [closed]

Yesterday I was freely able to ssh into server box-a, and it seemingly froze on me today so I killed my putty instance. I am now unable to ssh into it. It ssh's but the prompt does not appear. I am ...
7
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3answers
459 views

OpenSSH - map aliases in ~/.ssh/config to IP addresses in command line

Is it possible to query ~/.ssh/config in the command line? Let's say I would like to retrieve what IP address does the particular alias point to in a separate program, is it possible?
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2answers
181 views

Any ideas to simplify the awkward rsync expression below?

Here is expression: rsync -avz --progress -e "ssh -i /where/is/my/id_dsa" vivek@some.host:`ssh -i /where/is/my/id_dsa vivek@some.host "find /remote/source/dir -type f -name '*.sql' | sort -nr | head ...
3
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0answers
2k views

The right way for dynamic ssh port-forwarding

Want my Firefox could use localhost:9099 proxy forwarded from vps server, why it doesn't it work this way? I always get bind: Address already in use $ ssh -vfND 127.0.0.2:9099 vpn OpenSSH_5.9p1, ...
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2answers
2k views

Regexp in .ssh/config

At work, I often have to log into hosts which follow a common naming scheme, e.g. qc01 - qc12, hc01 - hc10, and so on. All of these need to get the same config values in my laptop's .ssh/config. Of ...
5
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2answers
4k views

Executing a shell script from remote server on local machine

Imagine a shell script on the remote server as #!/bin/bash rm /test.x How can I (if possible) to execute this script from my local machine to delete /test.x file on my local machine. Obviously, the ...
1
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1answer
800 views

rsync to SFTP while moving completed uploads to another folder

I'm going to be moving a lot of data (30GB) to a server which is split up into multiple 200MB tar.gz files. This is going to take time, and I'm going to need to stop and start my computer again during ...
38
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3answers
13k views

Multiple similar entries in ssh config

Say I want to configure my ssh options for 30 servers with the same setup in my .ssh config file: host XXX HostName XXX.YYY.com User my_username Compression yes Ciphers ...
0
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1answer
166 views

I'm only allowing pubkey auth via ssh. How can I still log in with password?

vi /etc/ssh/sshd_config egrep -i 'Pubkey|Password|Listen' /etc/ssh/sshd_config | grep -v '^#' ListenAddress 0.0.0.0 PermitRootLogin without-password PubkeyAuthentication yes ...
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2answers
12k views

SSHFS specify key

I've got a question that I've not been able to find an answer for. I have two computers, both of which run Ubuntu Linux 12.04. I have set up my first computer ("home") to be able to SSH into my second ...
3
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1answer
557 views

What should I check after an unauthorized access?

I accidentally left an open port on my router, leaving access to one of my computers via SSH, using a rather insecure password. I noticed because I checked /var/log/auth.log and there is just one ...
2
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1answer
1k views

SSH locking up: suspect local problem, not remote

On my work computer, I regularly SSH into two unrelated servers. Sometimes the SSH session locks up (does not respond to keyboard input). When locked up, I can SSH in via a second open terminal, that ...
3
votes
3answers
200 views

How secure my server is… should I worry? How to increase protection

I updated my server yesterday to a new version of CentoOS including a new version of DirectAdmin panel. This new installation comes with Brute Force Monitor service. As far as I see, this BFM ...
2
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2answers
2k views

SSH using keys in external storage - permissions?

I have a set of SSH keys to login to accounts and servers. However, ever since I moved my main work profile to a USB drive (for sync and ease of use among other reasons) I have been unable to directly ...
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3answers
13k views

User denied ssh access while in AllowUsers list

I've inherited the administration of a linux box in my workplace; it was set up by a colleague who is now gone. Recently, I added a new user to the system, and tried to give her ssh access as well; ...
2
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3answers
677 views

Is the id_rsa.pub file needed on client side?

If we would use: 1) password authentication through ssh 2) key auth - the public key's line are already in the servers authorized_keys Q: So in either these two ways, storing the public key is ...
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2answers
1k views

Tunnelling VPN through SSH mac

I have a pptp VPN server set up on my Raspberry Pi at home, and it works really well, except when I'm stuck behind my college's firewall. I can SSH into it through commonly open firewall ports (443, ...
2
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0answers
372 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 ...
4
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2answers
723 views

disabling ssh session expiration

I am installed Ubuntu on Virtual Box, and use xshell (a remote terminal application) to ssh to ubuntu. when I hibernate computer during night, after powering it on, the session is expired and I should ...
2
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3answers
3k views

Run local scripts on multiple servers using sudo user through a script

I have about 100 remote servers. I want to manage all my servers using one terminal server to update , run commands with sudo privileges. I need to have one main script that takes another test script ...
3
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1answer
829 views

How to safely replace one Linux distribution with another one via SSH?

I'm intending to replace a NAS's Custom Linux with Arch Linux (details at the bottom), of course wishing to preserve all user data and (due to the SSH-only headless access) attempting to be fool-proof ...
2
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2answers
1k views

Allowing ssh, but only to execute a specific script [duplicate]

Possible Duplicate: Creating a UNIX account which only executes one command There is a shell script which has to be executed through an existing user account XXX. Now I have various other ...
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2answers
4k views

How can I prevent SSH connection be closed by server for a user with nologin shell?

Basic info: Server OS: CentOS 6.3 Client tool: PuTTY I SSH to my server using PuTTY. I added an account with /sbin/nologin shell. When I log on to that account (selecting "never" close window on ...
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1answer
294 views

Using ssh_alias with ssh tunneling

I am using ssh tunneling to login to system behind gateway. Problem is that I have ssh_alias defined in ~/.ssh/config on gateway server. Where I have key and ip setup. But those alias don't work ...
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4answers
2k views

Is there a way to have regular expression in ~/.ssh/config

I have two set of server. Test on production. All server have internal ip. currently I am using alias to login: Host pro-10 Hostname 192.168.1.10 ProxyCommand ssh production-server nc %h %p For ...
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2answers
1k views

run a remote process via autossh in background

In Ubuntu I'm trying to run the geany editor on my local X display via the command: autossh -o StrictHostKeyChecking=false -XCg me@otherDYNDNShost geany & Trouble is, after the first ...
12
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4answers
806 views

Groups differ from the local ones when logging in remotely

We store our users in LDAP, alongside some groups that have meaning across different systems (organizational roles including wheel). There are also groups local to workstations, e.g. audio or video ...
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2answers
2k views

I think somebody tried to hack me

root@host [/var/log]# tail -f secure Jan 3 20:16:10 host sshd[22670]: pam_unix(sshd:auth): authentication failure; logname= uid=0 euid=0 tty=ssh ruser= rhost=61.142.131.120 user=root Jan 3 20:16:12 ...
5
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3answers
2k views

As what user is an sshfs mounted folder being accessed?

I'm trying to do a network backup of a drive. There are two machines in this process. PC1: Distant machine with 2 hards sda and sdb sdb is the drive which needs backing up two users exist, root and ...
2
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0answers
101 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 ...
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2answers
2k views

Configuring ssh fingerprints on dns to replace known_hosts fails

The SSHFP records were generated on the ssh server as follows and then added to the zone in bind: $ ssh-keygen -r www.test.us. www.test.us. IN SSHFP 1 1 ad04dfaf343a93beeb939eed1612168f7eadbed7 ...
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2answers
442 views

Transfer a file from Android to a PC (not in the same network)

If I were connected by wifi in my network, there isn't any problem because with AirDroid I can access the sdcard files using the browser. However when I am out, how can I transfer a file from my ...
1
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1answer
904 views

Running an xterm remotely with ssh -Y, defies the coloring I setup in .Xresources

The xterm seems to not read the colors I set in my ~/.Xresources file when I connect to a Linux PC remotely. Basically, if I'm sitting in front of my PC and I run an xterm from Xsession, the colors ...
2
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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 ...
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2answers
357 views

How to view Graphical view of Application using ssh [duplicate]

Possible Duplicate: How to forward X over SSH from Ubuntu machine? Is it possible that I can view the GUI of application when I pass some command to Redhat linux Server using ssh. Like when ...
17
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1answer
13k views

sshfs mount, sudo gets permission denied

I am using sshfs to mount a folder with some python projects over ssh to my ~/ directory. $ mkdir -p ~/mount/my-projects $ sshfs user@example.com:/home/user/my-projects ~/mount/my-projects I can ...
9
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1answer
730 views

How can I limit ssh *remote* port forwarding?

I need to limit which ports can be remotely 'ssh -R' forwarded by an user. I know about permitopen option on authorized_keys, but as it says on man page it only limits local 'ssh -L' port forwarding ...
2
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1answer
139 views

Temporarily controlling a shell

On my office computer (running Scientific Linux 6.3) I have several windows running some processes in separate terminal emulators (/dev/pts/). I often connect to my office computer with iSSH from my ...
2
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3answers
5k views

How to backup debian system?

I have VPS hosting with debian operating system. I would like to backup whole system time by time. Here is a lot of questions how to backup OS on local machine, but it's not what I need. I have just ...
3
votes
1answer
407 views

Clipboard over SSH session through VIM

I have a server running SSH, when I edit a file with vim on the remote server, :y+ doesn't work since the VIM binary on that linux system wasn't compiled with X support. (E488: Trailing characters) ...
5
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2answers
4k views

Scp doesn't work in cron

Yeah, I know it's classic. I've googled it all around, but still it doesn't work. I have the following script: #First go to SVN repo folder cd $svnrepos # Just make sure we have write access to ...
5
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3answers
1k views

Remote shell script Enter passphrase for

How can I run a script to log into a remote server and execute a remote ssh command without entering in my passphrase? For example: When I log onto a remote server and execute the git pull command I ...
4
votes
2answers
4k views

SSH window forwarding with Xming

I have installed fedora 17 on the old desktop computer and put it to DMZ of my NAT network - i.e. whole computer is accessible via public ip address to the internet and could be called "server". I've ...
3
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2answers
1k views

I can ssh into a remote machine but I can't use scp to copy local stuff to the remote machine

I'm using a remote machine, which is in a lab and the administrator ask a RSA public key and then I can login into that machine using a passphrase I set now I want to use scp to copy local stuff to ...
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1answer
1k views

Why ssh-copy-id prompts for the local user password three times?

Noticed from my previous question that when trying to copy an SSH public key to a remote host via ssh-copy-id, I am prompted for the local user password three times: ssh-copy-id myuser@myserver ...
4
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1answer
98 views

how to escape “\”in ssh-copy-id?

I'm connected to Ubuntu server that is a member of a corporate Active Directory domain via likewise-open. The users are in the form mydomain\myuser. I can connect to it via ssh, escaping the \ with ...
8
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3answers
8k views

Disable colours on terminal and SSH

My local Linux machine has coloured terminal output like this; When I SSH to a pfSense/BSD box it changes the colours like this; Even when I SSH from to a machine that doesn't have a coloured ...
32
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1answer
21k views

How to list keys added to ssh-agent with ssh-add?

How and where can I check what keys have been added with ssh-add to my ssh-agent ?
3
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1answer
552 views

How to point to ssh folder with private keys to automatically choose one?

I would like to be able to use ssh user@host without the -i identity_rsa_or_else_private_key_file . Is there a place somewhere in ssh configs where I can point where are the private keys located ...
5
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3answers
173 views

SSH to two addresses, use the one that connects first

I have a home computer (let’s call it franklin because that’s what I call it) that I often ssh into from my work laptop. When I’m at home, I ssh to franklin.local, and when I’m at work or anywhere ...