Articles about open | UserComp.com

Configuring Route Traffic with WireGuard Interface Specific to OpenWRT (ASUS Router 22.03)

This article guides you through the process of configuring route traffic with WireGuard on an ASUS router running OpenWRT 22.03. We will focus on the wan port, br-lan share, local eth0.1, wlan0-1 virtual bridge network named camal, and provide a step-by-step guide for a successful setup.

Unable to Run OpenGL Programs in Debian 12 with SDL

This article provides a solution for users who are unable to run OpenGL programs in Debian 12 using SDL. The issue occurs when running the program in the terminal as a normal user, but works fine as root. This article explains how to fix the broken transparency issue.

Format Excel Spreadsheet and Save as CSV

This article shows how to read an existing Excel spreadsheet, apply formatting to rows and columns, and save the data as a new CSV file using Python, Pandas, and Openpyxl.

Creating a Certificate Authority for Internal Network

This article guides you through the process of creating a Certificate Authority (CA) to issue certificates for your internal network. We'll be using OpenSSL on a Linux server for this demonstration.

OpenVPN Connected, No Internet Access: A Comprehensive Guide

This article provides a step-by-step guide to troubleshoot OpenVPN connections that result in no internet access. Follow the instructions meticulously, as outlined in the tutorial: https://infotechys.com/install-openvpn-on-ubuntu-24-04/.

Can't upgrade LuCI: Supposedly missing packages?

This article provides a solution for the issue encountered during the upgrade of LuCI on a Mixtile Cluster Box control board where three unavailable packages are supposedly missing.

Unable to upgrade LuCI UI due to missing packages on Mixtile cluster box control board

This article provides a solution for an issue encountered while updating OpenWRT installation on a Mixtile cluster box control board, where the LuCI UI upgrade refused due to three unavailable packages buried deep in dependencies.

Display Settings Window Blank Opening on Kali Linux

This article provides a solution for the issue where the Display Settings window opens blank on Kali Linux after booting from a USB drive and the settings change after switching to a bigger monitor.

Unable to permanently adjust hard/soft open files limit on Debian 12 with kernel 6.1.0-32-amd64

This article provides a solution to the issue of being unable to permanently adjust the hard and soft open files limit on a Debian 12 workstation running kernel 6.1.0-32-amd64, despite having more than sufficient memory.

Safely Upgrade OpenSSH on Remote Linux PCs (CentOS 6.7)?

Learn how to safely upgrade OpenSSH on remote CentOS 6.7 Linux PCs. This guide provides a script to filter temporary SSH access and avoid service interruptions.

Safely Upgrading OpenSSH on a Remote Linux PC

This article provides instructions on how to safely upgrade OpenSSH on a remote Linux PC. It covers temporary filtering of Telnet and testing the SSHD restart to ensure a smooth upgrade process.

Benchmarking Execution Speed of Simple OpenCL Kernel on Three Different CPUs: Surprising Results

Recently, I executed a simple OpenCL kernel using PyOpenCL on three different CPUs and was surprised by the results. Contrary to my expectations, the kernel executed significantly faster on a less powerful CPU (i5-135...). This finding raises questions about the impact of processor capabilities on OpenCL kernel execution speed. In this article, I will discuss the details of the benchmark and the factors that might have contributed to this surprising result.

Rootless Podman Container Cannot Access Hosts File with Group Read Permission

This article provides a solution to access a shared certificate key in a rootless Podman container running an OpenLDAP service as a non-root user. The user encounters an issue with group read rights.

Outlook Blocking or Affecting Email Open Rate Monitoring: A Clue

Since December 2024, something has been stopping us from tracking email open rate() in Outlook. This article provides a clue on how to actually track it, i.e., using URL or image.

Stop Trying to Recover Non-Existing Files - Get Back to Using OpenOffice!

Facing issues with non-existing files in OpenOffice? Don't let it stop you from using this powerful productivity suite. Learn how to handle the problem and get back to working with your files in OpenOffice.

Hiding Calculated Value in OpenOffice

Learn how to hide the calculated value of 0 in OpenOffice using a simple formatting trick.

Setting Up OpenVPN with Different Subnets for Multiple Groups

Learn how to set up OpenVPN with different subnets for multiple groups, ensuring each group has its own isolated network. Follow this guide to configure OpenVPN for improved security and network management.

Configure VLAN for Separate Work Network with OpenWRT while Keeping Home Networks Isolated and Maintaining Internet Access

This article will guide you through the process of setting up a separate VLAN for your work network using OpenWRT while keeping your home networks isolated and maintaining internet access. Learn how to configure your MainRouter (HGU...) to achieve this setup.

How to Fix OpenSSL Version Mismatch when Compiling OpenSSH-9.9p2 on CentOS 6.2

Learn how to resolve the OpenSSL version mismatch issue when compiling OpenSSH-9.9p2 on CentOS 6.2. Follow this step-by-step guide for a successful compilation.

Unable to start Docker on Debian 10 VPS (OpenVZ)

This article provides a solution for the issue where Docker fails to start on a Debian 10 VPS using OpenVZ. Follow the steps below to resolve the problem.

Troubleshooting "No OS" Error While Installing OpenBSD Guest on KVM

Having trouble installing an OpenBSD guest on KVM? This article guides you through troubleshooting the 'No OS' error during the installation process.

Routing WAN Traffic over OpenVPN Server IPsec Tunnel on Debian Server

This article guides you on how to route WAN traffic over an OpenVPN server IPsec tunnel on a Debian server. Using a Debian server as a WAN router, we will explain the reasons and the basic steps involved.

Routing WAN Traffic with IPSEC Tunnel on OpenVPN Server (Debian)

Learn how to route WAN traffic through an IPSEC tunnel on an OpenVPN server running on a Debian server. This guide will walk you through the steps to set up a WAN router using a Debian server.

Convert PuTTY Registry Entry (.ppk) to OpenSSH for MySQL Workbench Connection

Learn how to convert a PuTTY registry entry (.ppk) to OpenSSH format for use with MySQL Workbench and establish a secure connection. Improve your tech support skills and optimize your workflow.

Understanding Open Files in Linux

Learn about open files in Linux, their importance, and how they differ from Linux processes.

How to Set Up a VPN on Linux Using OpenVPN: A Comprehensive Guide

Learn the correct steps to set up a VPN on your Linux system using OpenVPN. Follow our comprehensive guide to ensure proper configuration and secure your network.

Using IP Route Open Software Subnet with 10.100.123.6255.255.255.0 Gateway

Learn how to use IP route open software subnet with the given IP address and gateway for optimal network performance. Maximize your network's potential with our comprehensive tech support guide.

Setting Up Guest WiFi on OpenWRT using LuCI

Learn how to set up a guest WiFi network on an OpenWRT router using the LuCI web interface. This guide provides step-by-step instructions for configuring your OpenWRT device as an access point or switch, and connecting it to another router for internet access.

Grant LuCI Internet Access to OpenWRT Router/Switch

This article provides instructions on configuring LuCI to enable an OpenWRT router or switch, allowing WiFi and Ethernet devices to access the internet.

Setting up OpenSSH on Windows 11 with a Microsoft Account

This article guides you through the process of setting up the OpenSSH server on Windows 11 when logged in with a Microsoft Account. Follow the steps to enable SSH on your Windows 11 system.

Troubleshooting Slow Write Speeds on ZFS with OpenSUSE Tumbleweed on a T430 Server

Experiencing slow write speeds on ZFS with OpenSUSE Tumbleweed on a T430 server using SAS ST6000NM0034-6TB 7.2KRPM drives in a RAIDZ-2 dataset with encryption? Learn how to troubleshoot this issue.

Encountering Issues while Upgrading openSUSE Leap 15.4 to 15.5

Having trouble upgrading openSUSE Leap 15.4 to 15.5? This article provides guidance on resolving common issues encountered during the upgrade process, optimized for SEO with keywords such as openSUSE, Leap, and upgrade.

Configuring NFTv6 Duplex Prefix Rewriting in OpenWRT 24.10 for Multiple Internet Providers

In this article, we'll show you how to extend a 3GPP WAN interface/64 prefix via PDN in OpenWRT 24.10 using nftables v1.1.1 and NPTv6. This will enable you to configure multiple Internet providers and optimize your network for better performance. Read more to learn how to implement this technology on your OpenWRT system.

Client Failing Due to Many Open Connections in Kubernetes Environment

In a Kubernetes environment, one pod is running a client that sends a varying number of concurrent long-running inference requests to the cluster (pods) servers. The client is failing due to many open connections. This article provides guidance on how to troubleshoot and resolve this issue.

Setting up LXC VLAN with OpenWRT on FritzBox7490

This article guides you through the process of setting up a LXC VLAN on a FritzBox7490 router connected to the internet via DSL. We will use OpenWRT as our operating system and LXC containers to create a network inside the network.

How to Connect to OpenVPN Using a .ovpn File on macOS

Learn how to connect to an OpenVPN server using a .ovpn file on macOS. This step-by-step guide covers the necessary configurations and settings to get started. Improve your online privacy and security today.

Thunderbird 115 Supernova opening window issue

Since upgrading to Thunderbird 115, the browser window opens with Yahoo Mail. I have safebooted and didn't clear. Need suggestions.

IPv4 routes (added OpenConnect) not respected, race condition?

The user is using OpenConnect to connect to a campus VPN. The IPv4 routes added to the connection are not being respected, potentially due to a race condition. This article will help diagnose and resolve the issue.

IPv4 Routes Not Respected with OpenConnect VPN: Race Condition?

Having trouble with IPv4 routes not being respected while using OpenConnect VPN on your campus network? This may be due to a race condition. Learn more about this issue and possible solutions here. Read more on our tech support site.

Remote RPiping ablessh port openssh hangs attempting perl cpan install command

This article provides a solution for the issue where attempting to install CPAN using the command 'perl -MCPAN -eshell' on a fully updated Raspberry Pi 4 results in a hanging OpenSSH connection. The problem is caused by a remote IP address being used, and a graphical connection is selected automatically.

OpenVPN Not Pinging Server on Debian 12

A Linux user with years of experience but new to networking aspects is struggling to make OpenVPN work on their Debian 12 system. They need help.

TuxOnIce No Longer Supported: What's the Alternative?

TuxOnIce, a popular open-source cryo software for Linux systems, has recently ended its support. This article will discuss the implications of this decision and suggest possible alternatives for users who relied on TuxOnIce for their systems' hibernation and suspend-to-disk needs.

Generating OpenVPN TLS-Crypt Key with OpenSSL

This article explains how to generate a TLS-Crypt key for OpenVPN using OpenSSL. We will cover the required JSON structure and the steps to generate the key.

Configure WireGuard OpenWRT Server and Client

This article guides you through the process of setting up a WireGuard VPN server on an OpenWRT router. We'll walk you through the necessary steps to ensure a secure and private connection.

Speed Up OpenVPN on pfSense Firewall for Dedicated Cloud Server

Learn how to optimize OpenVPN performance on a pfSense firewall (2.7.2-RELEASE) running on a dedicated cloud server with 16GB RAM. This guide will walk you through the process of improving internet access for the server and connecting a laptop through the firewall. Follow these steps to improve your OpenVPN experience on pfSense.

Resolving OpenVPN LAN Issue on Raspberry Pi 4 with NordVPN iOS Client

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