Articles about network | UserComp.com

Nftables Configuration for NAT using IPsec Tunnel on Raspberry Pi

Learn how to configure Nftables for Network Address Translation (NAT) with an IPsec tunnel on a Raspberry Pi device. This tutorial covers setting up two network interfaces (eth0 and eth1), establishing an IPsec tunnel using StrongSwan, and mapping the local network (10.130.X.0/24) remotely.

Hide output of 'nmclinetwork' command in terminal

Learn how to hide the output of the 'nmclinetwork' command in the terminal on a Linux system.

Notable Achievements: 10GbE One-Device Network Setup with MacMini M2 and Custom NAS

Explore the setup of a 10GbE one-device network with MacMini M2 and a Custom NAS, featuring two different 10GbE devices connected via RJ45 and SFP+.

PC1 Sending CAD Files to Networked Mill via USB for Dental Industry

The dental industry is adopting advanced technology to improve patient experience and efficiency. In this setup, PC1 sends CAD files to a networked mill connected via USB for milling. In this article, we discuss the process of setting up this connection.

UPnPC Working on Ubuntu 18.04 LTS and Failing on Debian 12

Two old PCs, one running Ubuntu 18.04 LTS with a working UPnP (Universal Plug and Play) over Ethernet, and the other running Ubuntu 20.04 LTS with a failing UPnP over the same network. A newer laptop runs Debian 12 with UPnP working over Wi-Fi. This article explores the possible causes and solutions for the UPnP failure on Ubuntu 20.04 and Debian 12.

IP Forwarding: Does it Actually Work on Isolated Machines with Two Wired Networks?

This article discusses IP forwarding on isolated machines with two wired networks, using a fresh Ubuntu 22.04 LTS install. The setup involves two subnets, with no iptables or nftables. Learn if IP forwarding works in this scenario.

Modem/Router: One to Multiple Computers via Ethernet

Learn how to connect a modem to multiple computers using an Ethernet unmanaged switch.

Optimizing Slow VPN Tunnel Speeds for High-Speed Network Connections

Having trouble connecting to your VMs with a slow VPN tunnel? Learn how to optimize your VPN tunnel speeds for high-speed network connections. This article will provide tips and tricks for improving your VPN tunnel's performance, even when connecting to VMs with a minimum network speed of 1G. Don't let slow VPN tunnel speeds hold you back any longer. Read more to learn how to improve your VPN tunnel's speed.

Mapped Drives Stop Working: How to Re-map on Windows 10 and Server 2012 R2

Experiencing issues with mapped drives becoming unavailable on your Windows 10 or Server 2012 R2 desktop? Learn how to re-map them quickly and easily.

Troubleshooting PostgreSQL Connectivity Issues in VirtualBox: Traceroute, Tracepath, and Ping Failures

Having trouble connecting to a PostgreSQL database hosted in a VirtualBox VM? This guide will walk you through troubleshooting connectivity issues using traceroute, tracepath, and ping, and provide solutions for common problems.

Troubleshooting Overfitted Neural Network Training Loss in MLP

In this tech support article, we will discuss the issue of high losses during the intentionally overfitting of a Multi-Layer Perceptron (MLP) network. We will cover the possible reasons and solutions for this problem, and provide guidance on how to improve the training process.

Boost.Beast and HTTP/2-3 Support in C++: A Guide for Tech Enthusiasts

Learn how to leverage Boost.Beast for HTTP/2 and HTTP/3 support in your C++ client or server applications. This article provides a brief overview and a link to the Nexus library for further exploration.

Updating Statically Assigned IPv6 Prefix in systemd-networkd Configuration File Without Reboot

Learn how to update statically assigned IPv6 prefix in systemd-networkd configuration file without rebooting the entire system. Follow the example provided to make the necessary changes.

Fix Constantly Disappearing and Reappearing Hyper-V vEthernet (Switch) Interface on Windows

Experiencing a weird issue with your Hyper-V vEthernet (Switch) interface constantly disappearing and reappearing on your Windows computer? This behavior can lead to slow Ethernet connectivity. Learn how to fix this issue and improve your network performance.

Setting Up a Network with Netgear R7450 Routers

Learn how to set up a network using Netgear R7450 routers for a fiber ISP, wired TV, bedroom PC, and a 5-port switch for a detached home office. This guide provides step-by-step instructions for a seamless network experience.

Symlinks in Samba Share Created on Linux Client Not Working on Server

Having trouble with symlinks in a Samba share created on a Linux client? Learn about a potential solution involving mfsymlinks.

Setting Up a Local Network Between Two Computers with a Java App

Learn how to create a Java app to set up a local network between two computers. This step-by-step guide will help you get started with the necessary code and configurations. Read more to find out how.

Building a Node.js Website/Electron App for Local Network File Access

Learn how to build a Node.js website or Electron app that allows users to submit files, have them judged by an admin computer, and send the results back to the users, all within a local network. This article will cover the necessary steps to create a functional and efficient application for this purpose.

Testing Android 13 Native VPN Client with MikroTik Router OS for Private Network Access

This article provides instructions on how to test the Android 13 native VPN client with a MikroTik router OS for accessing a private network. Since L2TP/PPTP VPN connections are not supported, this guide focuses on setting up a VPN tunnel using a different method.

Can't Connect to Network: Persistent Issue with Notebook Model

Having trouble connecting to the network on your Notebook Model? Despite various attempts to troubleshoot the problem, it still persists. Find out how to bring attention to this issue and get the help you need.

How to Control New User Approval on Your Mastodon Instance

Learn how to manage new user approvals on your Mastodon instance. Discover the roles responsible for approving or rejecting registration requests when 'approval needed' is set.

Accessing Devices, VPNs, Subnet Servers on Local Network

This tech support article provides guidance on accessing devices, VPNs, and subnet servers on a local network, including identifying the main network for remote clients connected via VPN/PI. Learn how to use SSH, remote desktop, and ping to connect to remote devices securely and efficiently.

Slow Initial Connection (SSL Handshake) in Chrome Browser: Quick Fix

Having trouble with slow initial connection (SSL handshake) in Chrome? Learn how to quickly fix this issue and improve your browsing experience. Read more for a comprehensive tech support guide.

Can't Access Internet on Kubernetes Pods: Troubleshooting Network Configuration

Having trouble accessing the internet from your Kubernetes pods? Learn how to troubleshoot network configurations and resolve the issue. Read more for expert tech support.

Setting Up Nginx Reverse Proxy for Home Assistant OS on KVM

Learn how to set up an Nginx reverse proxy for Home Assistant OS installed on a KVM host machine. This guide will walk you through the process of configuring Nginx to forward traffic from your host machine to the Home Assistant OS instance running on a KVM virtual machine.

Making Networks Secure: A Guide for Aspiring Blue Team Members

Learn how to make networks secure and protect them from cyber threats. This guide is perfect for those interested in blue team operations and want to fortify their network. Read more to become a knowledgeable network security professional.

Can Connecting Two VLANs on a Switch Cause a Loop?

Wondering if connecting two VLANs on a switch can cause a loop? Learn more about VLANs and loops in this article. Check out the picture demonstrating a 4-port VLAN setup.

Route Traffic with Special Source/Destination on Ubuntu: A Tech Support Guide

Learn how to route traffic with special source and destination on Ubuntu. This guide provides step-by-step instructions for optimal network configuration. Read more for expert tech support.

How to List Available SMB Shares in Nautilus/Gnome

Learn how to list available SMB shares in Nautilus/Gnome and connect to them easily. This guide will help you to manage your network shares in Linux.

Secure Your Network After a Hack: A Comprehensive Guide

Worried about a hacked network? Learn how to secure your network after a cyber attack. Follow these steps to protect your data and online safety. Don't let a hacker compromise your network. Act now.

UFW: Not Filtering FORWARD Traffic on Same (tun0) Interface

Learn how to troubleshoot issues with UFW (Uncomplicated Firewall) when it fails to filter FORWARD traffic on the same interface (tun0). This guide will help you diagnose and resolve the issue. Read more about Linux firewall and network filtering.

Access Google Cloud Memorystore from Other Project/Network: A Comprehensive Guide

Learn how to access Google Cloud Memorystore from different projects or networks. Follow our step-by-step guide to optimize your cloud storage and management. Improve your Google Cloud skills today.

Is Hamachi Available for Web?

Looking for Hamachi on the web? Learn about the availability and alternatives of Hamachi for web-based virtual private network connections.

How to Disable the Shield in Shielded Cat8 Ethernet Cable

Shielded Cat8 Ethernet cables offer enhanced performance, but sometimes the shield needs to be disabled. This article provides a step-by-step guide to disable the shield in Shielded Cat8 Ethernet cable. Learn more about the process and its benefits.

Understanding Dynamic Name System Architecture: A Comprehensive Guide

Explore the Dynamic Name System (DNS) architecture and learn how it works to provide a hierarchical and decentralized naming system for devices connected to the internet. Discover the benefits of DNS and how it simplifies the process of accessing websites and services. Read more to learn about other tech support topics.

Plink: RTNETLINK Errors and Solutions

Learn how to fix 'plink: RTNETLINK answers: Operation not permitted' error in Linux. Our tech support article provides step-by-step solutions to common networking issues.

Setting up Router to Allow Access Across Subnet Masks

Learn how to configure your router to enable access across subnet masks. Follow our step-by-step guide to ensure seamless connectivity for your network devices. Don't miss out on our other tech support articles for more insights.

Applying Multivariate Constrained Optimization to Neural Networks

Learn how to apply multivariate constrained optimization to a neural network model. Improve the performance of your machine learning algorithms with this powerful technique. Discover the benefits of using constrained optimization in your neural network models. Read more about tech support and optimization.

Troubleshooting Guest Networking Issues: A Comprehensive Guide

Having trouble explaining guest networking in your scenario? Learn how to troubleshoot common guest networking issues with our comprehensive guide. From network configurations to security settings, we've got you covered. Read more for expert tech support advice.

Epson Printer Can't Connect to Unlisted Network

Having trouble connecting your Epson printer to a network that's not listed? Learn how to troubleshoot and resolve the issue with our step-by-step guide. From checking your network settings to updating your printer firmware, we've got you covered. Read more to discover more tech support tips and tricks.

Fixing Desktop/Laptop Cable Ping Issues While WiFi Works

Having trouble pinging your desktop or laptop over a cable connection while WiFi works? Learn how to troubleshoot and fix this common network issue. Discover the causes and solutions to this problem and get your devices connected. Read more for more tech support tips.

How to Securely Configure a PC for Single Website Access

Learn how to secure your PC for accessing only one website by configuring web browser and network settings. Protect your computer from potential threats. Follow these steps for a safer browsing experience.

SSID Isolation in Router: Is it Working Correctly?

SSID Isolation is a security feature that prevents wireless devices from communicating with each other. Learn how to check if your router's SSID Isolation is working correctly. Discover the benefits and limitations of this feature. Stay protected with our latest tech support tips.

Flutter: Resize Container Based on Image Aspect Ratio

Learn how to resize a container based on the aspect ratio of a network image in Flutter. This tutorial will provide you with the necessary steps to dynamically adjust the size of the container to fit the image aspect ratio. Improve your Flutter development skills with this helpful guide.

Tray Icons: Understanding WIFI vs VPN Symbols

Wifi or VPN tray icons - what do they mean? Learn about the difference between these network symbols and how to troubleshoot them. Stay informed with our tech support site.

Can't Use Primary WiFi Network? Try Guest Network

Having trouble using your primary WiFi network? Learn how to diagnose and fix the issue by trying the guest network instead.

Setting Up IPv6 Hotspot on RPi with NetworkManager

Learn how to set up an IPv6 hotspot on Raspberry Pi using NetworkManager. This tutorial will guide you through the process, making it easy to share your internet connection. Dive into the world of IPv6 and enhance your networking skills.

Can't Find 22.78.224.10.in-addr.arpa.: No Answer - Troubleshooting Guide

Having trouble with the error 'Can't find 22.78.224.10.in-addr.arpa.: No answer'? Learn about reverse DNS and how to troubleshoot this issue in Linux. Improve your network skills with our comprehensive guide.

Libvirt Guests on Isolated Network Cannot Ping Each Other: Troubleshooting

Having trouble with Libvirt guests on isolated network that can't ping each other? Learn how to troubleshoot the issue and get your virtual machines communicating again. Discover the causes and solutions to this common problem.

Setting Up an Isolated Network with Static IPs and Custom Gateway using Libvirt

Learn how to set up an isolated network with static IPs and a custom gateway using libvirt, a powerful virtualization tool for Linux. This tutorial covers the basics of network configuration and security, making it a great starting point for anyone interested in virtualization and networking. Follow our step-by-step guide to get started today.

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