Questions tagged [virtualbox-networking]

Questions about the specifics of networking for virtualbox guests

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11 views

How can I save the progress of network settings?

I am setting up network server using GNS3 on my Debian OS, the problem is that when I close the GNS3 all the settings I have will be deleted, please how can I save the network settings so that when I ...
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25 views

no Wired connections showing on setting

enter image description here I have recently again installed Linux KALI 5.10.0-kali3-amd64 #1 SMP Debian 5.10.13-1kali1 (2021-02-08) x86_64 GNU/Linux on VMware workstation player 16. in WIFI setting i ...
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114 views

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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36 views

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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95 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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18 views

Virutal Box Win 10 Guess No Internet (but other guests connect fine)

I have a Ubuntu 20.04 host and Windows 10 guest. The Win 10 guest says "No Internet Access". However, I can successfully ping 8.8.8.8 on the command line. I've tried a number of fixes, ...
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185 views

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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38 views

how to communicate from an external os to an virtualbox machine

i have two pc and in one of them i have an ubuntu and on another i have an ubuntu that installed virtualbox machine on it. i want the VM on the second pc be in an separate network and i can ...
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33 views

Can't connect my internal network adapter

I have a project in which I have pfsense virtual machine & Ubuntu 20.04 virtual machine on Oracle virtual box. My problem is when I open my Ubuntu with one adaptor set as nat and another as ...
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267 views

How can I create virtual serial port pairs?

Can someone point me to a good tread or explain to me how I can create a virtual serial port pair in Ubuntu so that I can use then for PicSimLab/CuteCom? I was provided information how to do this in ...
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32 views

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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1answer
1k views

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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23 views

Network Connectivity Issue

Gday All, I am having an issue. Am using 20.04 LTS I installed and put the ens:160 into dhcp so I could get updates etc. I then changed the netplan config and connectivity has stopped. If I do a route ...
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276 views

Cisco AnyConnect Blocks all ssh connection

I am using VPN to connect to my client, Setup is as below, in my desktop there is a oracle virtual machine is running and there one ubuntu server is installed and in ubuntu-vm cisco any connect is ...
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1answer
43 views

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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62 views

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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1answer
125 views

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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482 views

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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410 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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270 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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84 views

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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522 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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118 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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1answer
87 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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1answer
44 views

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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4k 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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1answer
2k views

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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1answer
162 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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38 views

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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2answers
204 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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1answer
110 views

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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117 views

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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40 views

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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1answer
63 views

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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1answer
1k views

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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904 views

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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1answer
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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345 views

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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131 views

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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1answer
192 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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1answer
459 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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1answer
321 views

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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1answer
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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604 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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1answer
3k 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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2answers
13k 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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3k views

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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965 views

Connecting to CheckPoint VPN with 2FA

I'm trying to connect to a CheckPoint VPN which uses two factor authentication (generated token from a mobile device). I'm aware of the snx tool from CheckPoint, and have used it on other VPNs, but ...
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1answer
3k views

Ubuntu host can't ping guest virtual box Windows 10

I have the following components: Host: Ubuntu 16.04.4 LTS. Guest: Virtual Box with Windows 10. In Virtual box, I already selected "Bridged Adapter" for this Windows VM, I also changed static IP of ...
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1answer
197 views

How to make ubuntu VM accessible from Internet

My host machine (windows) is accessible from internet. My guest VM (which is Ubuntu 17 with static ip) is accessible from the host. I want my ubuntu guest to be accessible from internet. I run vmware ...