Articles about work | UserComp.com

Avahi: Setting the Visibility Duration of Local Domains on Linux Devices

Learn how to set the visibility duration of local domains on Linux devices using Avahi. This includes instructions for devices running Linux and Android with Termux.

Sharing Internet Connection Remotely: ISP Tips for Slower Connections

Learn effective methods to share an internet connection remotely across cities, states, or countries with your Internet Service Provider's assistance. Addressing slow or inferior connections.

Setting up Dockerized WireGuard with Custom DNS in Multi-Lab Environment

Learn how to set up Dockerized WireGuard with custom DNS in a multi-lab environment. Create a host network and assign IP addresses to each lab.

Ethernet vs Wi-Fi: Connecting Multiple Devices with Cables

Learn the differences between Ethernet and Wi-Fi connections when it comes to connecting multiple devices. Discover the advantages and disadvantages of each technology.

Dialing Router: Creating a Broadband Connection for Your PC

Learn how to create a broadband connection for your PC using a dialing router. This guide covers the process for both scenarios: when the router doesn't need to create a broadband connection and when it does.

Windows 11 Host: Random Network Waking from Sleep with Hyper-V Running

This article discusses an issue where a Windows 11 host, with a wired ethernet connection and Hyper-V installed, randomly wakes up from sleep, disrupting the network. We'll explore potential causes and solutions.

Understanding IPv4 Route Table and '127.0.0.1' Belonging to Interface/Adapter

In this article, we will discuss the IPv4 route table and the significance of '127.0.0.1' belonging to the interface or adapter. We will also explore the active routes in detail.

Windows 7: Block Specific URL Not Resolving After HOSTS File Modification

Users of Windows 7 may encounter issues with blocking specific URLs via the HOSTS file modification. Although this method is commonly used, the URLs do not get resolved as expected. In this article, we will discuss potential causes and solutions to help you block the desired URLs in Windows 7.

LAN Networking: Local DNS Name Not Working in Windows Browser for Ubuntu Home Server 'lenovo'

A user reports that their Ubuntu home server named 'lenovo', which runs a few HTTP servers accessible on the home LAN, is not resolving the local DNS name in the Windows browser. This article provides a suggested solution.

Troubleshooting: Different IP Address and Gateway

Encountered an issue where a computer failed to go online due to a mismatched IP address and gateway. Learn how to troubleshoot and resolve this problem.

Linux Tech Support: Successfully Forwarding Mirrored Ethernet Packets to an External VNIC

In this tech support article, we'll guide you through the process of successfully forwarding mirrored Ethernet packets to an external VNIC using Linux and tc AWS Traffic Mirroring.

Weird AppArmor Behavior Prevents Network Reach: Compiling AppArmor Sources

Experiencing issues with AppArmor preventing network reach during the compilation of sources? This article provides a suggested solution.

Nmap Towards Metasploitable2: Scanning 1000 Ports

Learn how to practice Nmap using Metasploitable2 and scan 1000 ports. Discover ignored states and view the results of 1000 closed ports scanned on IP address xxx.xxx.xxx.xxx.

Ping Issue: Windows 11 and Kali Linux Laptop Not Responding to Ping Commands

Users report that their Windows 11 and Kali Linux dual-boot system is not responding to ping commands when trying to ping IP addresses such as 192.168.1.84 and 192.168.1.51. This issue may cause ping hangs.

Troubleshooting Traffic Forwarding with Multiple Machines on a LAN

In a LAN environment with multiple Linux machines deploying web-service backends, investigating network traffic using tcpdump can reveal performance issues. This article explains how to diagnose and resolve traffic forwarding problems.

Understanding Dynamic Public IP Addresses in Tech Support

Users may encounter different public IP addresses when accessing a tech support site. This article explains why this happens and how to identify and troubleshoot the issue.

Raspberry Pi Getting Multiple IP Addresses: DHCP Conflicts

This article explains how to resolve DHCP conflicts on a Raspberry Pi that is receiving multiple IP addresses.

Syncing Files Between Devices on the Same WiFi Network: Is There a Specific Network Interface to Use?

When transferring files between devices connected on the same WiFi network, users may encounter slow transfer speeds. This article explores the possibility of using a specific network interface to improve file transfer performance.

Changing LAN IPv4 DHCP makes OpenSense Unreachable on Hetzner

In this article, we will guide you through the process of resolving the issue of OpenSense becoming unreachable after changing the LAN IPv4 DHCP settings on Hetzner.

Communicating with Internal NICs using iptables: Route Internet Traffic

Learn how to communicate with internal NICs (enp2s0 and enp3s0) using iptables to route internet traffic on a Linux system with three NICs, where one is connected to the internet (enp1s0).

Unauthorized Access to Computer: Recent Activity and Microworkers

Recent unauthorized access to your computer has been reported. Discover the source of the intrusion and protect your documents from Microworkers.

WSL2: DNS Address in resolv.conf Not Updating on Network Change

This article discusses a problem encountered while using WSL2 on Windows 11, where the DNS address in the resolv.conf file fails to update when changing networks. Possible solutions include modifying the WSL2 configuration, using a custom DNS server, or updating network adapter settings.

Making OPNsense Unreachable after Changing LAN IPv4 DHCP on Hetzner

Learn how to resolve OPNsense becoming unreachable after changing LAN IPv4 DHCP settings on Hetzner.

Synology DSM Moved to New LAN, Unable to Access Devices on 192.168.1.x

Users report issues accessing devices on their private network after upgrading or moving Synology DSM to a new LAN with an IP address range of 192.168.1.x.

Setting Up New OPNsense with Almost Default Config and DNS Access Sites on Protected Laptop

Learn how to set up a new OPNsense firewall with almost default configurations and configure DNS access sites on a protected laptop.

Configuring OpenConnect VPN with NetworkManager on Linux for Split-Tunnel and Subnet Restriction

Learn how to set up a Split-Tunnel VPN using OpenConnect plugin with NetworkManager on Linux (Kubuntu), restricting VPN usage to a particular subnet by specifying an IPv4 route.

Unable to Access Internet after Changing Router: Troubleshooting SSH Connection in Proxmox

This article explains the steps to troubleshoot SSH connection issues in Proxmox when the router is changed.

Bare Metal OS Routes Traffic Through Tor: A Comprehensive Guide

Learn how to route traffic from a Bare Metal OS through Tor for enhanced security and privacy. This article covers the setup process and provides essential tips for configuring your system.

Unable to Connect VirtualBox Guest OS (Rocky Linux 8) to Host (Windows 11) - No Internet Connectivity

This article provides a solution to the issue of a Rocky Linux 8 guest OS failing to connect to the internet on a Windows 11 host using VirtualBox.

Troubleshooting Ping Shows Received Packets with LAN Cabled Disconnected

Encountered an issue where your system is receiving ping packets despite having a disconnected LAN cable. Learn how to troubleshoot this issue by setting IP address manually.

LAN Cabled Disconnected: Pings Showing Received Packets?

Learn the reasons why your LAN-cabled device might still receive ping responses even when the cable is disconnected. Follow our step-by-step guide to resolve this issue.

Configuring MacOS EAP-TLS Authentication without MDM

Learn how to configure EAP-TLS authentication on MacOS without using Mobile Device Management (MDM). This step-by-step guide covers the necessary settings and configurations.

Configuring /etc/hosts on Debian 12: Proper Way to Set Hostname with IP Addresses

In this tech support article, we will guide you through the process of configuring the /etc/hosts file on Debian 12 to set a hostname with its corresponding IP address.

RDP Won't Connect with Public IP Despite Local Network Port Being Open

The user reports that they have already forwarded the RDP port and confirmed that it's open, but they cannot connect to the RDP server using the public IP address. The issue seems to occur only when connecting from outside the local network.

Gigabit Internet Connection Slows Down After Introducing 4-Port Gigabit Switch

A user reports experiencing slower Gigabit internet connection after introducing a 4-port Gigabit switch. Possible causes and solutions are discussed.

Installing Debian 12: Detecting Network Hardware with Walmart Gateway Laptop (gWTC116-2BK)

Learn how to install Debian 12 on a Walmart Gateway Laptop (gWTC116-2BK) and detect network hardware during the installation process.

Access SAMBA Drive Denied: SSH Ping Working on Two Devices

This article explains a common issue where access to a SAMBA drive is denied despite a successful SSH ping between two devices. The article suggests possible causes and solutions for this problem.

Securing Endpoint Communications in a Mixed SSL Private Network

A customer with a network containing one Windows PC and several embedded Linux PCs requires securing endpoint communications. The endpoint running a Python HTTP server needs attention. Learn how to secure SSL private network communications.

Resolving Issue with Realtek AlphaAWUS036H/36NH Adapters on Ubuntu 20.04

This article provides a solution to an issue encountered with Realtek AlphaAWUS036H and AlphaAWUS036NH adapters on Ubuntu 20.04. Users may experience bus errors or failure to recognize the devices. We will discuss steps to install the required drivers and resolve the issue.

Windows 11/10 Network: Why aren't Computers Showing Up?

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