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1 vote
2 answers
678 views

Mosh client unable to communicate to mosh server in a guest virtual machine

I'm having trouble trying to connect to mosh-server that is installed in a Arch Linux guest Virtual Machine (set up with the stack: KVM, libvirt and QEMU). I have a port forward configured with: virsh ...
0 votes
0 answers
123 views

Iptables redirect outside requests to 127.0.0.1 (VirtualBox)

I have a virtual machine installed with the output: ifconfig: enp0s3: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 10.0.2.15 netmask 255.255.255.0 broadcast 10.0.2.255 inet6 fe80::...
1 vote
0 answers
141 views

Taskhost Process has high CPU when using VirtualBox

I am running a Ubuntu VirtualBox-VM on my Windows 10 host machine. After the VM is running for some time (not at the beginning), the process taskhostw.exe uses much of the CPU. I normaly use ssh to ...
0 votes
0 answers
669 views

Permission denied (publickey, password) when running mpiexec using ssh

I am implementing a simple mpi code. I am using Oracle Virtual box and have created two Ubuntu vm's one named master and the other named slave. Both are connected and can successfully ping each other ...
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0 votes
0 answers
164 views

How do I allow users to connect to private IP through static public IP address?

Before ignoring, please just read through. None of the previously asked questions helped. I have 3 VMs set up in a local data center that are running the following OS: VM1: Red Hat Enterprise Linux 9 ...
0 votes
1 answer
1k views

How to SSH to a Host from a VM (Virtualbox)

It is well known how to ssh into a Virtual Machine from a Linux Host machine (at least with Virtual Box). We have to set a port forward rule into the vm's network settings. After that we can simply ...
0 votes
1 answer
585 views

Cannot send file from local machine to the server using SCP despite being able to login via SSH

I am trying to send file from my local machine (Ubuntu) to Oracle VM (Oracle Linux). Command I tried is below, but it doesn’t work. I can connect to the server fine using SSH. scp -r -i /...
2 votes
1 answer
2k views

Can't ssh into arch linux live environment in qemu

I started arch linux in a qemu vm with guest port 22 connected to host port 60022, set the root password in the guest, and edited the sshd config in the guest to allow root logins and set the log ...
0 votes
1 answer
2k views

ubuntu server image blue screened

Would anyone have a tip for running a virtual box ubuntu server image? Setting up the virtual box image seemed to go just fine, updated ok, and I did a few reboots. What I wanted to get to work was ...
0 votes
1 answer
760 views

SSH to CentOS VirtualBox from PuTtY on an External Windows System

I have created a VM on my personal machine and the VM is running CentOS and I can ssh to that machine from my local Windows 10 machine via PuTty. However, I am not sure of how to ssh to the VM from a ...
0 votes
2 answers
4k views

Access denied when trying to SSH into VM as root

Starting today, when I try to connect to my CentOS VM as root, using Putty, or indeed any SSH client, I can no longer login. The connection is made, but the login itself fails. I know for a fact that ...
1 vote
0 answers
115 views

Catalina and VM Ware SSH broken Pipe

I upgraded to Catalina yesterday and now all of my SSH connections to VM Fusion (cent os) images get a broken pipe after about 5 seconds. I've tried setting Host *\ServerAliveInterval 120 within ...
2 votes
2 answers
2k views

Accidentally corrupted my ssh_config file on VM and can't log in anymore, can I fix this without logging in?

I am running a VM on my linux server, and I connect to it usually using SSH. I was editing the SSH configurations for this VM to try out different parameters, and last saved edit was not working. Now,...
1 vote
0 answers
659 views

ssh server on VM does not accept connection from outside host

I have a setup like below: qemu as hypervisor. ubuntu running as a virtual machine with two network adapters: eth0: connected to a user network. ssh port is forwarded to a port from host OS. eth1: ...
0 votes
1 answer
503 views

Install RancherOS on VirtualBox: How to share public key to VM

For testing purpose, I want to install RancherOS on a VirtualBox VM. To install it, a cloud-config.yml file with public key is required to manage the system using SSH. What's the easiest/reliable ...

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