SSH (Secure SHell) is a protocol for running commands on a remote computer.
0
votes
2answers
17 views
SSH agent loses keys after logging out
I added my SSH key having typed
ssh-add ~/.ssh/id_rsa
and ssh-add -l printed my key. But after logging out and logging in again I see
The agent has no identities.
I've tried setting a very ...
0
votes
1answer
17 views
UUOC with ssh file transfer
Just wondering; is it possible to skip the cat in
some_command | ssh remote 'cat > outputfile'
? It feels like a UUOC.
0
votes
0answers
15 views
System Proxy Settings
I'm troubled by many types of proxies setting.
Currently I configure proxy on many places, and if I switch environment I have to unset proxies on same places.
What I have to change
Environment ...
18
votes
9answers
19k views
SSH tunneling error: “channel 1: open failed: administratively prohibited: open failed”
When I open this ssh tunnel:
ssh -nXNT -p 22 localhost -L 0.0.0.0:8984:remote:8983
I get this error when trying to access the HTTP server running on localhost:8984:
channel 1: open failed: ...
0
votes
2answers
234 views
access a command line via a web browser
2 questions:
Question 1
My job blocks ssh which means that I cannot ssh to my home server. However, they do allow https out. Is there a package out there for ubuntu that will allow me to connect to ...
0
votes
1answer
28 views
Cannot connect to ssh from crontab
I can create ssh connection from the command line with this command(without password):
ssh -R 9900:localhost:22 user@host
I need to run this command whenever the system reboots, so I put it in a ...
13
votes
5answers
7k views
How can I run a script immediately after connecting via SSH?
I started to ask this question but answered it while I had it open. I'm going to post this question, follow it up with my solution and leave it open to other potential solutions.
<backstory>
...
1
vote
2answers
64 views
Colorful ssh banner
I would like to colorize my ssh banner. I now 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 an ASCII art in the banner ...
10
votes
2answers
271 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 ...
2
votes
1answer
38 views
Line endings when using GNU Screen
I'm seeing some slightly odd behaviour when using GNU Screen 4.00.03 on a Red Hat Enterprise Linux 6.4 system.
If I connect without Screen, looking at the logs I can see each line is terminated with ...
1
vote
3answers
45 views
X11 forwarding not working from putty and XMing to centos 6.4
I have centos 6.4 running on VirtualBox. I can connect to it via putty just fine. However X11 forwarding is not working. I Have Xming 6.9.0.31 running and putty 0.62 is setup for X11 forwarding:
...
2
votes
3answers
42 views
Log in with specific shell at terminal login
If I log in to a system over ssh, I can use the default shell with a simple ssh user@host, or specify something like ssh user@host 'bash --norc --noprofile' or ssh user@host ksh.
Is it possible to ...
15
votes
8answers
21k views
Why am I still getting a password prompt with ssh with public key authentication?
I'm working from the URL I found here:
http://jaybyjayfresh.com/2009/02/04/logging-in-without-a-password-certificates-ssh/
My ssh client is Ubuntu 64 bit 11.10 desktop and my server is Centos 6.2 64 ...
0
votes
0answers
14 views
tmux with iterm2 attach a remote session
I'm using the tmux integrating with iterm2, which can create a tab in iterm 2 for each window created by tmux.
But somehow this doesn't make much sense for the usual ssh scenario, where we first ssh ...
2
votes
1answer
415 views
Connection ec2 instance operation timeout error using ssh
After creating a new instance,I am trying to access my instance like below:
ssh -i private_key.pem root@my_instance_public_domain
but the operation is timing out,I have updated the private key file ...
1
vote
0answers
27 views
ssh will sporadically hang temporarily on fast connection
I am using Ubuntu 13.04 on my laptop, connected to my router at home. When working from home, I will ssh into the servers on campus, through a vpn, with X11 forwarding.
ssh -X ...
3
votes
1answer
38 views
X11 forwarding an OpenGL application from a machine running an NVIDIA card to a machine with an AMD card
I'm interested in forwarding an X11 session over SSH, in order to launch a remote process that utilizes OpenGL (specifically, gazebo for anyone familiar.)
The problem that I seem to be running into ...
2
votes
2answers
189 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
vote
1answer
15 views
Possible sftp connection behind a router that is impossible to open any public ports except some standart ports like http?
I want to ask about the problem that I have with my office computer. I cannot reach the router so I cannot redirect any incoming requests to my PC.
I have to get a huge file from another computer on ...
2
votes
2answers
84 views
Why doesn't the ssh command follow RFC on URI?
The RFC:
Uniform Resource Identifier (URI) Scheme for Secure File Transfer
Protocol (SFTP) and Secure Shell (SSH)
presents the SSH URI as:
ssh://[<user>[;fingerprint=<host-key ...
3
votes
1answer
189 views
Reverse ip lookup
I was wondering if it is somehow possible to lookup the ip of a machine I ssh'd into from. This is the scenario, I'm at home, I've VPN'd into a server that I ssh into constantly in the office but now ...
5
votes
1answer
2k views
SSH over Socks proxy without username or password
I have a list of SOCKS proxy servers from this site.
I've read about creating a dynamic tunnels with ssh -D and to be honest i've tried that already. Unfortunately for some reason I cannot connect to ...
0
votes
0answers
16 views
Why do I have to re-set $SSH_AUTH_SOCK in tmux when I re-attach? [duplicate]
I mainly work on a mac and ssh/tmux attach to a Linux machine to do my work. I have ssh-agent running on the Linux machine. I have
set -g update-environment "SSH_AUTH_SOCK SSH_ASKPASS WINDOWID ...
0
votes
3answers
66 views
When you ssh into a server, do you use server settings or your own settings?
So say I'm running a Linux server that is running irssi in a tmux session.(Detached) My question is, when I ssh into the server and reattach the session, will my shortcuts that I use on the 2nd PC ...
-1
votes
0answers
52 views
How to touch a multifile using ssh? [closed]
I am trying to touch a file to another server as follows:
ssh [user]@[server] '. /abinitio/apps30/abinitio30.env m_touch path_to_mfs way'
It is giving error as:
Cannot create recovery file in ...
0
votes
2answers
44 views
ssh with identical machines
I have two identical beaglebones that I'm working with. They have the same hostname and originally had the same IP, though I changed one to see if that made a difference. They're going to be deployed ...
-1
votes
1answer
40 views
SSH screen (CentOS) crashes
I use the screen command to run a Minecraft server on my CentOS 6.4 machine.
However, once I end the SSH session, the Minecraft server and the screen will eventually simply stop such that when I come ...
3
votes
1answer
305 views
GNU screen freezes trying to reattach
I have several long-running GNU screen sessions. I ssh to the box they're running on and run screen -d -r foo to detach them if they're connected anywhere else, and then attach them in my current ...
1
vote
2answers
305 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, ...
1
vote
3answers
63 views
how can I find out my server's subnet mask via SSH
Hi I use media tamples dv server... I connected it via SSH with putty.. I need my server's IP address and subnetmask. I know the IP address but I don't know the subnetmask.
How can I find out my ...
1
vote
0answers
56 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 priviledge,
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
29 views
ssh/scp works but rsync just constantly says “no”
Hi I have a windows 2003 server that I need to back up onto a linux client so I install cygwin on the Win2k3. On the Win2k3 I have enabled ssh, scp but (because the Win2k3 server uses an customised ...
1
vote
1answer
173 views
How do I push a Mercurial repository to BitBucket over ssh?
I created a public key for ssh and registered that key with BitBucket. I then attempted to push:
$ hg push ssh://jhayward@bitbucket.org/johncharrell/[project name]
pushing to ...
3
votes
2answers
272 views
File permissions when transferring to another server
If I was to chmod 777 blah.sh on server A and then move it to server B, would it retain the permissions, or would it default to some other permissions once it hit server B?
1
vote
1answer
24 views
Different “history” command output after reconnecting via SSH
Why do I get different results for the "history" command for the same user after I reconnect a disconnected SSH session?
I connect to a server using putty (SSH), say as root
My network gets ...
5
votes
1answer
61 views
Does fail2ban offer any additional protection to SSH if password login is already turned off?
I’m setting up a Debian VPS on Linode to use as a public web server, and I’m following their security suggestions.
The last suggestion they make is to install fail2ban, to avoid dictionary attacks on ...
1
vote
1answer
49 views
Checking if passwordless ssh authentication is possible without permission for sshd_config
Is it possible to check if authorization authentication with keys is available without permission to read ssdh_config ?
0
votes
0answers
107 views
Xdebug not working over a reverse shell
I've opened a reverse shell to my remote server to tunnel port 9000 to my local machine like this ssh -R 9000:localhost:9000 you@remote-php-web-server.com but but it doesn't work. The reverse shell ...
0
votes
1answer
65 views
emacs fonts from ssh not as good as locally installed
How can I have the same emacs fonts and antialiasing configuration that I have in my local Ubuntu 12.04 also working when I open an emacs session via ssh to a CentOS 5 system?
EDIT: I didn't get an ...
1
vote
5answers
270 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 ...
2
votes
1answer
39 views
Is it possible to x-forward windows apps to linux if windows PC running Xming?
I have been digging around looking for an answer to my question but have no been able to come up with anything.
I know that xming server allows you to transparently run linux applications on windows ...
1
vote
1answer
63 views
Why ssh -nq -t can't see my environment variable?
I am executing a command on remote machine with -t flag ( to prevent the command from 'blocking' ) the prompt (somehow it works that way). So I am using ssh -nq -t root@ip but with this, the script ...
2
votes
3answers
36 views
Is there a way to maintain ssh-agent connectivity in different screens?
Whenever I use ssh-agent for passwordless logins it doesn't work across different logins and screen sessions, even if they are concurrent.
I suspect it uses some shell variables that don't work ...
5
votes
1answer
3k views
Switch VI to use backspace key instead of Control+H for backspace?
I'm on Solaris 10 and by default vi version SVR4.0, Solaris 2.5.0 is installed.
The system was set up so that when I ssh to it Control+H does backspace, and backspace outputs ^?
I added stty erase ...
0
votes
1answer
49 views
Keep the ssh session
I am using Macbook developing a client application.
I want to access server logs, so I opened a shell terminal and established a ssh connection to the server and access the log file there by ...
2
votes
3answers
51 views
Can I bridge “backwards” from an ssh connection to my local emacs-server?
I'd very much like to log in to a remote machine with ssh and via the $EDITOR environment variable (or something similar) be able to edit in my local Emacs. In this case, specifically for when I log ...
3
votes
4answers
374 views
ssh command unexpectedly continues on other system after ssh terminates
I'm running the below command, and monitoring the output file on the other system:
ssh $ip_address 'for n in 1 2 3 4 5; do sleep 10; echo $n >>/tmp/count; done'
If I kill the ssh command ...
1
vote
1answer
360 views
Specifying outgoing interface for SSH tunnel
I have a machine with two public IP addresses on two interfaces. This machine is running sshd. Is there a way to specify, when creating a tunnel with a SOCKS interface (i.e. -D), which interface to ...
7
votes
3answers
6k views
Can I connect to or view abandoned ssh sessions?
I have a virtual instance of redhat running that I can ssh to from any host on the corporate network. My ssh session was dropped while running some scripts that may or not have caused me to ...
3
votes
1answer
289 views
Xterm is not completely erasing field lines
We are running Windows Clients with Cygwin XServer that has a bash script application running on AIX Unix. We have a login script using expect to ssh into the server and then xterm to create the ...
