Skip to main content

All Questions

Tagged with
1 vote
1 answer
5k views

How to ssh from Linux client to OS X host without error message “ssh_exchange_identification: Connection closed by remote host”?

My LAN comprises a desktop computer running Linux (Debian Wheezy), a MacBook with OS X Mavericks, and a modem-router; ssh with Linux host and OS X client functions well - no problems connecting from ...
1 vote
2 answers
605 views

Could someone execute commands on my netcat server/listener?

TLDR Someone has connected to my netcat server and tried to execute a command. Is it possible they have done any harm to me/my computer/my network? Detailed story I've been learning about networking ...
2 votes
2 answers
426 views

What are the uses for all computer/host/dhcp names?

This question is meant to be specific to a home network. Windows, Linux, and MacOS computers all have a host name. In addition, MacOS computers have a computer name and a local host name. And when a ...
9 votes
5 answers
10k views

How to fix "Did not find mosh server startup message." when connecting from OS X to Linux router?

I did install Mosh on (1) a Mac OS X 10.9.5 machine, (2) a Debian 8 VM, and (3) as Entware-ng package on a router that runs an embedded Linux. Mosh connection from Mac (1) to (2) Debian is ok. Mosh ...
0 votes
2 answers
278 views

SSH login@ip@gateway through config+VSCode

I can successfully connect from my macbook+VPN to my corporative cloud server through ssh with this command (passwordless, using my id_ed25519 key): ssh login@ip@gateway -A But I need to connect to ...
1 vote
0 answers
47 views

How do I figure out why one host is so slow writing to another host on LAN?

I have 3 devices on my LAN, all using wired connections: MacBook Air Lenovo ThinkCentre (running Ubuntu Server 22.04) Raspberry Pi I am using the ThinkCentre as a home server, and want to write ...
1 vote
2 answers
3k views

VirtualBox: MacOS host cannot connect to guest, but guest can connect to host

My setup: MacOS host (High Sierra 10.13.3) Linux guest (Ubuntu 16.04) Virtual Box 5.2.12 NAT networking I need to talk from host to guest and from guest to internet. The guest gets an IP address of ...
0 votes
1 answer
150 views

Unable to ping VirtualBox host only interface

On my macOS Monterrey machine I am running Ubuntu as guest on VirtualBox 6.1.30 r148432. In VirtualBox I've enabled the host-only adapter, and I see interface vboxnet0 on macOS: ifconfig vboxnet0 ...
0 votes
1 answer
2k views

Create APFS/HFS+ partition on Linux and share it via network

I want to store all my files and documents on a local server at my home instead locally on a single PC. Now I'm wondering if it's possible to create a APFS or HFS+ partition on a Linux system (like ...
1 vote
0 answers
47 views

Dropbox.com works in VM host but not guest, all other sites work in guest

Dropbox.com works in VM host but not guest, all other sites work in guest. Host: MacOS 11 VM: VMWare Fusion 12 Guest: Arch Linux, VM NAT networking No iptables rules in VM. ca-certificates (20210603-1)...
0 votes
1 answer
62 views

Cannot access website due to incorrect DNS configurations; new devices can access with updated correct DNS, but not old ones

Like said in the long title, I can't access my site hosted on AWS with AWS Route 53 Hosted Zone. When I initially configured my DNS, there may have been something wrong with the A records which ...
0 votes
1 answer
324 views

Difficulty setting up internet sharing on Beaglebone on macOS Big Sur

I am having trouble setting up an internet to be shared on Beaglebone (BB) through the host (Mac running Big Sur OS). When I do ifconfig on BB, I see two USB interfaces showing up (usb0, usb1) with a ...
1 vote
1 answer
589 views

SSH Permission denied when subnet is /31

I am trying to make a point to point ipv4 link with a device running Ubuntu 18.04 . if I set the device to 192.168.1.48/31 and in then OSX I set my ethernet dongle to 192.168.1.49/31, I am able to ...
5 votes
1 answer
3k views

VNC from MacOS screen sharing to linux Ubuntu

I’m trying to screen share from a MacBook to a VM running Ubuntu on Parallels on a MacBook Pro on the same network. I can ssh to it fine, but using the same account and IP address in MacOS screen ...
0 votes
0 answers
1k views

Having trouble getting ARP requests through a QEMU VM on Mac OSX

Using Mac OS 10.14.5 Mojave and QEMU version 4.0.0 I'm trying to get an Ubuntu Server 19.04 guest running with network communication through a bridge on my Mac host. At the moment I'm struggling with ...

15 30 50 per page