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I'm running Ubuntu 11.10 on Oracle VirtualBox on a Windows 8 machine and whenever I try to display graphics while using SSH I get some error. For example, in GNUPLOT:
gnuplot> plot sin(x)
gnuplot: unable to open display ''
gnuplot: X11 aborted.
I've tried using mplayer and evince and I get similar errors.
I've tried changing no to yes in
# Forwardx11 yes$
# Forwardx11Trusted yes$
in /etc/ssh/ssh_config
I've been able to forward the graphics from the same machine onto another without problem so I know the problem must be local.
When I'm SSH'd in, $DISPLAY is blank
I've tried searching for solutions online, but I'm not finding much.
I'm assuming that you're using some X window server in your Window8 like Xming.
Have you tried to connect using "ssh -X name#machine"?
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I donwloaded the virtualbox image from this website:
https://www.osboxes.org/centos/#centos-782003-info
I uses CentOS 7.8.2003
I am able to start the VirtualBox but I cannot ssh into it. Then, I realized that I also cannot ping to the IP address. I already configure the network to Bridge.
Do I need to configure something on CentOS Virtual Box for me to be able to ssh into it from the Host machine? Thank you very much in advance.
You should probably post this on Superuser or Serverfault.
Anyway, I see you have 192.168.0.30 on your host machine, try configuring 192.168.0.31 on interface enp0s3 on your VM and restart the network.
You should be able to ping now.
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I am trying to learn how to use SSH and it's kinda hard for me. I installed PuTTY (windows 7 32-bit). It asked for my IP so I searched 'What is my ip' and pasted it in. Then in the 'command prompt style box' I entered my username 'dell'. Now it's asking for password. I'm really confused because my laptop has no password and there's no password I know of. Can you guys help?
Entering nothing doesn't work:
Putty is just a command line interface, that will allow you to run commands like ssh.
However, if you want to SSH into your machine you have to install an SSH server on your machine.
There are multiple solution on the web:
https://www.howtogeek.com/howto/41560/how-to-get-ssh-command-line-access-to-windows-7-using-cygwin/
122.162.179.255 is likely the IP address of your network router / ADSL modem / etc and not your Windows PC (which won't have an SSH server installed by default).
There really is very little to learn about SSH itself, at least for basic day to day use.
If you want to learn how to use a UNIX-style command prompt then consider installing WSL or setting up a Linux installation on a separate computer (maybe a Raspberry Pi).
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I just upgraded the ssd card to 2018-11-13-raspbian-stretch-lite. Hence, no screen, no keyboard, just headless. With the version before I used SSH to acess the raspberrypi 3. But now i have trouble. SSH is disabled by default. Could be overcome by writing an empty file named ssh into / . Fine, should be easy, but it isn't. I tried to mount the ssd-card in a card reader from a linux computer. This would allow to write the required empty file with cat /dev/null > /mnt/rasp/ssh , but it doesn't work, because the device is mounted read only indepent of how I try to mount for read-write!
Has anybody an Idea how to open the ssh, maybe over USB-Telnet, or what ever?
You have to create a file called ssh in the boot partition, not the root partition.
You can also create a file called wpa_supplicant in the same place and your RasPi will join your wifi network.
You'll probably be able to ssh into it with:
ssh pi#raspberrypi.local
If not, look in your router's "DHCP clients" table or use nmap to get its IP address. Or install the fing app in your smartphone and it'll tell you the IP addresses and host/OS of all your network clients.
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With pscp in windows command line, i can send file from Windows to Pi or i can copy a file from Pi to Windows. But opposite does not work. I cant send a file from pi to windows with pi's terminal.
scp text.txt username#192.168.1.100:C:/Users/Desktop/
or C/Users/Desktep with out colon.
Both does not work. It returns nothing. After few minutes it says connection timed out.
scp is a client that connects to a server. Your Pi is running an SSH server which allows you to connect to it from other machines using pscp or scp (depending on what OS). So to make it work the other way, you need to install an SSH server on your windows machine.
I followed this article to install on my windows machine:
http://linuxbsdos.com/2015/07/30/how-to-install-openssh-on-windows-10/
Sometime in the future based on the announcement by Microsoft at http://blogs.msdn.com/b/powershell/archive/2015/06/03/looking-forward-microsoft-support-for-secure-shell-ssh.aspx it appears Windows will have SSH server.
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what worked fine is
http://kdl.nobugware.com/post/2009/02/17/virtualbox-nat-ssh-guest/
so that i can connect to guest system using ssh with putty
but winscp does not work? what i still have to install? ssh was installed on ubuntu apt-get, but what else... does winscp from vista need more ports? and if how to manage this?!
just use 127.0.0.1 instead of localhost on the session in winscp , different than putty but it works, why? I dont know :P ...