Questions tagged [virtualbox-networking]

Questions about the specifics of networking for virtualbox guests

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Cannot access internet from second ubuntu machine on virtualbox

I have two virtual machines: ubuntu-gateway: connected to a NAT interface (IP: 10.0.2.15/24) and a host-only network (192.168.56.104/24) ubuntu-vm-1 (another vm): connected to the host-only network (...
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Unable to ping or access Virtualbox VM via bridged network

I have Windows in a Virtualbox VM and I'm trying to ping it but the VM is unreachable from my machine via the bridged network setting. Although I have full internet access and I'm able to ping the ...
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LAN connection OK, but No WAN after a reboot. Ubuntu on Mac Virtual Box

LAN OK, but no WAN connection after a reboot. ubu@ubu-VirtualBox:~$ ifconfig enp0s8: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500 inet 172.18.1.251 netmask 255....
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What are the issues that may be encountered in created vagrant boxes if I don't use the default virtualbox ip ranges for machines

I am working on Vagrant on my Ubuntu (20.04) and I learnt that the ip range allowed by default is 192.168.56.0/21 and that I can of course remove this restriction and use my own range. I am new to ...
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TPM showing error message

I have configured TPM for my virtual machine with Ubuntu 18.04. root@Virtual-Machine:~# dmesg | grep -i tpm ==> This should show a proper message root@Virtual-Machine:~# journalctl | grep tpm ==&...
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Traceroute shows request timeout message with stars

When I try to run traceroute in my Ubuntu Virtual Machine (Oracle) it only shows the first hop(self hop) and then it shows * * * and request timed out message traceroute to www.amazon.in (108.158.254....
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configure an interface, which i want to survive reboot

I want to configure an interface for the virtual box, which is installed within my ubuntu machine. When i create it manually it works: vboxmanage hostonlyif create vboxmanage hostonlyif ipconfig ...
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How to successfully load Ubuntu on Virtual box? [duplicate]

I was successfully able to install Ubuntu 16.04, 18.04, and 20.01. The last two did not load at all. Ubuntu 16.04 did partially load in Virtual box, however, after selecting 'install ubuntu server'; ...
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219 views

How to access a cloned VirtualBox Ubuntu Server via SSH to get a different Address

I installed a headless Ubuntu server build on VirtualBox, and once I fully prepared it to work, I cloned it to have a second, exactly the same, instance. However, the clone shares it's CMD SSH access ...
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Network disabled and I'm not sure how to fix the problem

I'm using Ubuntu 20.04 through a VM (I am using VMware Workstation) and I updated my computer and internet stopped working in Ubuntu. I typed lshw -C network in the terminal and I got: *-network ...
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2 Network Adapters - pass one through to a VM only

I have 2 networks at home, on my Ubuntu server I want to connect the wired ethernet to the host machine, but then the wireless adapter of the device (which is connected to a different network) to a VM ...
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Cable connected but no internet access on a virtual machine

I don't know if someone here can help me with this here but I will try. I'm using VirtualBox to try Ubuntu, and everything worked correctly, the first, second and third time I installed it, using the ...
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Configure network manager to expose to VM only

I am running Xubuntu 20.10, fresh install. I have researched this but I can't find the correct information. I have 2 separate NICs, one to do DHCP over normal network, the other should only be used by ...
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328 views

Can someone explain interactions between iptables, nftables and bpf?

I'm on Ubuntu 20.10 trying to do some routing config for my virtual network, and I'm confused about the interactions between the 3 main types of firewall technology used in modern Linux distros, ...
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How to setup a virtual Ubuntu machine (20.04) for external network connection?

I'm trying to setup two virtual machines (both running Ubuntu 20.04 server) on a physical server running Ubuntu 20.04 as well. Both VMs have to be reachable for external network connections via the ...
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OpenDayLight installation error

I tried to install ODL on Ubuntu, I followed all the steps but I got these error messages (I don't know whats the password), please check the image ERROR MSG
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Setting static IP to virtual box VM is not working

I want to assign a static IP to ubuntu 18.04 VM in a virtualbox. I had bridged adopter for adapter 1 and i tried below steps to set static IP, In the virtual box Host Network Managementt setting, ...
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Can I direct traffic on a subdomain to a Virtual Box running under Ubuntu?

I have a Virtual Box running Windows under Ubuntu host and the VM has a small IIS web application that I need to access. I know I can remote to the VM using various tools, but it would be much more ...
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Virtual Ubuntu 18.04 running on Windows 10 with VirtualBox Manager connection volume-limited

Although my Windows 10 machine has stable and fast internet connection, the Ubuntu 18.04 machine running virtually cannot sustain a connection. A stupid Ubuntu trick I can do is to attempt to download ...
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Ubuntu Svr VM in VirutalBox gets no IP on Bridged Network, unreachable via NAT IP

I've setup an Ubuntu Server 18.04 VM in VirutalBox on my Lenovo laptop (which is running Ubuntu Desktop 18.04). When the VM boots up using NAT for networking, it does get an IP and it can get out to ...
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Lubuntu Stuck on "Detecting Network Hardware" in Virtualbox

I am trying to migrate from Windows to Lubuntu. I have a Toshiba Satellite Pro S300, with 2GB RAM, Intel Core2Duo 1.7GHz CPU. Virtualbox 5.2.34 setings are: 512MB RAM, 128MB Graphic, 1 CPU. I've ...
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628 views

Can't Connect to Vbox Virtual Machine on my Ubuntu server via windows RDP

I have an ubuntu 18.x server. I installed virtualbox on the server and configured a new VM using these instructions. When I try the last step I get an error window I also noticed that when I run ...
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2 answers
393 views

Netwox tool#78: Error 4081

I am trying to run Netwox tool 78 on Ubuntu 18.04 and also tried on Ubuntu Osboxes image; but, I am getting following errors: $ sudo netwox 78 --filter 10.161.25.252 Error 4081 : error in ...
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I used to "eth0", why now we have "enp3s0" and "ens3"? [duplicate]

So ... I remember vaguely how to setup network with static IP. I got dedicated server from ikoula and for some stupid reason, it doesn't have DHCP. Before, I would just add the static IP to /etc/...
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832 views

unable to ping guest 10.0.2.15 on host

I am beginner of ubuntu, and i have installed ubuntu 16.04 on my desktop computer, then installed Vagrant by following steps sudo apt-get install virtualbox sudo apt-get install vagrant vagrant box ...
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261 views

NAT not working on virtualbox running ubuntu

I have a Windows 10 machine running Ubuntu 19.04 via Virtualbox 6.0.14. Downloaded the iso, started a new machine and set network to "Nat". This states results in no internet connection (when ...
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262 views

Stop ethernet from automatically reconnecting

I have a dual Ethernet connection setup on my computer running Ubuntu 18 in a VM from virtual box. I need to disconnect one or the other occasionally because of lack of routing in some applications. ...
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1 answer
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Fix connecting betwen 2 virtual machine in Ubuntu 18

I have 2 VirtualBox machines that have full connection, but when I ping 10.0.2.7 which is another machine's enp0s3 address, it show Request time out. Please help me. I am using Ubuntu 18.x.x. Thanks a ...
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2 answers
6k views

How do I share files between a VirtualBox Windows 95 Guest and Ubuntu 18.04 Host?

I tried using the "Guest Additions CD Image" provided by VirtualBox, but it doesn't run on this old version of Windows. :( Not sure what to do. I then thought I could connect to the internet by using ...
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VirtualBox host-only networking on Ubuntu 18.04.2 LTS

I run VirtualBox 6.0.6 on Ubuntu 18.04.2 LTS and I've got two Windows XP VM's. I want to make a network connection, only between those two. I've tried to use the host-only option, but I couldn't ...
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317 views

Send VirtualBox Guest traffic to Host's router

I need to send HTTP traffic from the VirtualBox Host through a router. To do this, I think I have to do the following steps: Create a SOCKS proxy using ssh -D Configure firefox to use the created ...
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Incredibly bad upload speed towards my IP only

I'm running a VDS (Virtual Dedicated Server) on Ubuntu 16.04. I'm experiencing a very bizarre issue with uploading. Let me try to explain, by using a "map". VDS --> My Local PC = Upload speed is ...
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2 answers
246 views

Ubuntu 16.04 After Rebuilding Squid Source Package Getting Error: Failed to start Raise network interfaces

I'm running on a virtual hosted Ubuntu 16.04 server. It is an IPv4 -> IPv6 setup and I received the IPv6 WAN addresses from my provider. I configured my /etc/network/interfaces file like this: # ...
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Ubuntu DHCP server doesn't assign a fixed address

I am an IT student, and I'm working with Ubuntu on VirtualBox. One of my virtual machines has a DHCP server installed, and it's set to give a specific IP-address (192.168.1.55) to a host Uclient. ...
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Connecting a VirtualBox VM to the internet

I have built a Ubuntu Server 14.04.5 LTS server on a VirtualBox environment (VMware .vmdk format) to host an older LAMP app (CATS). Windows 10 desktop host. Right now, can only get this VM accessing ...
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Sharing internet between Host and guest xen

I am using Ubuntu 14.04 as host machine,want to create bridge so that guest OS can access the WiFi Internet access. If a have understood correctly brctl utility is used to create bridge for Ethernet ...
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1 answer
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Access VM Server using name or static IP

I'm trying to create a better web development environment by using a VirtualBox VM running Ubuntu 18.04 but I don't know how to configure the network settings to achieve what I want. I want to be ...
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Network is unreachable

I have one server using 192.168.1.2/24 and the other server using 192.168.2.2/24. They are connected on my router with separate adapters. I tried ping test from my router, it worked. However, when ...
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How to connect to Samba on Ubuntu 18.04?

With Ubuntu 16, connections from Windows 7 to directories shared by Samba work smoothly. After installing Ubuntu 18 and fresh new Samba installation (along with Samba user and pwd), each attempt to ...
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4 votes
1 answer
8k views

Ubuntu 18.04 VirtualBox Guest - No Internet Access

I have Ubuntu 18.04 installed in a VirtualBox guest. The VM is configured with two adapters to provide internet access and connectivity to other VMs, which are: Adapter 1: NAT (enp0s3) Adapter 2: ...
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Networking Issue - Ubuntu 18.04

I have an Ubuntu Server (18.04 LTS) VPS setup on a HYPER-V host system.. The Ubuntu network interface is configured as follows: # This file describes the network interfaces available on your system ...
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Inconstant Bandwidth despite Bandwidth Limitation in VirtualBox

In VirtualBox, I have two Ubuntu 18.04 VMs running on an Ubuntu 18.04 host. My target is to simulate network traffic between the two VMs (one as a Server, one as a Client). Therefore I set the VM ...
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223 views

wireless adaptor is not connected

I have Intel(R) Centrino (R) Wireless-N 6150 adopter but my VirtualBox is not showing any wireless controller when I use to check lhsw -C Networking and unable to execute mac80211_hwsim and it ...
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2 votes
1 answer
696 views

Using dav://host.local gives error message "Connection refused"

Host is Ubuntu 18.4, gnome 3.28.2. Using Virtualbox 5.2.10_Ubuntu r121806, the guest is running PureOS release 8 and gnome 3.25.92. For this guest I am using a bridged adapter that allows VMs and ...
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Network connectivity issue with virtualbox and static ip addressing

I wanted to install and configure openstack to learn it, so i installed two ubuntu servers as virtualbox virtual machines (on my arch linux host) and then i did the configuration based on the ...
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1k views

Network between host OS (18.04) and guest (*nix) in VirtualBox

Trying to get network up and running on a VM, but having some difficulties which I just can't figure out. Host OS is Ubuntu 18.04, guest OS is nix-based OS where I can include and load the drivers ...
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640 views

Ubuntu 18 - how to set up a static IP and DNS

I need to configure an Ubuntu 18 client with static IP and static private DNS IP. I changed the etc/network/interfaces file to: # interfaces(5) file used by ifup(8) and ifdown(8) auto lo iface lo ...
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5k views

SSH from client VM to a server VM - Permission denied

After installing two VMs in VirtualBox, I tried to connect them, using ssh protocol from the client machine (with openssh-client installed) to the ssh server machine (with openssh-server installed). ...
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2 votes
2 answers
16k views

USB Ethernet interface in virtual Ubuntu 18.04 disabled after every reboot

(tl;dr) My USB 3.0 ethernet adapter is found (lsusb), but the Ethernet interface is disabled after every reboot in Ubuntu 18.04 beta 2, even if I enable it with ip or ifconfig command (funny: it's ...
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How to add host printer (Ubuntu) to Virtualbox (Windows guest)

OK everyone: I have a Windows XP Virtualbox machine, running inside of Ubuntu 16.04. I have a network printer successfully working with the Ubuntu host that I'd like to connect to the Virtualbox ...
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