Articles about pos | UserComp.com

PostgreSQL Integration with ELK: Incorrect Mapping of PostgreSQL.log

During the integration of PostgreSQL logs into ELK stack, the PostgreSQL.log file seems to be loading correctly, except for the query body mapping of the PostgreSQL.log.query field. This article provides a solution to properly map the PostgreSQL logs in ELK.

PostgreSQL Elastic Fleet Integration: Logs Not Parsed as Expected

While configuring PostgreSQL integration with ELK Fleet, logs are not parsed as expected despite having metrics disabled. This article provides potential solutions to resolve the issue.

Postfix Mail Server Installation Fails to Send Emails to Gmail, Works with ProtonMail: TLS Issue Solution

This article provides a solution to an issue where Postfix Mail Server fails to send emails to Gmail but works with ProtonMail, which is caused by a TLS issue. Learn how to resolve this problem and successfully send emails from Postfix Mail Server to Gmail.

Persistent Volumes with Docker Compose using Dokploy and Directus

Learn how to set up Persistent Volumes for a Directus project using Docker Compose and Dokploy.

POSIX Shell Script: Expand Multiple Command Arguments Variables Later

In this tech support article, we'll discuss how to expand multiple command arguments variables in POSIX shell scripts later in the script.

Understanding Postfix Milter Use in Tech Support

Learn about Postfix Milter use in tech support, including its format and implementation.

HTTP POST/PUT Requests for ESP32 LEDs Module Control on RC Car Project

Learn how to control the LEDs module on an RC car project using HTTP POST and PUT requests with ESP32.

Precise Positioning and Sizing in Tech Support: Use of Point Units

Learn how to set up page properties using point units for precise positioning and sizing in tech support. Fixed minimum spacing is also discussed.

Error Occurred: Signature Verification Failure in Ubuntu Repository

This article explains the cause and solution for an error that occurs during signature verification in Ubuntu repositories, preventing the repository from being updated.

GPG Error: Repository Not Updated - Signature Verification Failed

This article explains how to resolve a GPG error that occurs during repository updates in Linux systems. The error message 'error occurred signature verification. repository not updated' indicates that the previous index files are being used despite the repository not being updated. This article provides a solution to this issue.

Removing 2EFIsystem File in PopOS for Virtual Mac and Hackintosh

Learn how to safely remove the 2EFIsystem file in PopOS when creating a virtual Mac system for Hackintosh.

Kali Linux: PostgreSQL Metasploit DB Fails to Start on Multiple Versions

In this tech support article, we address an issue where Metasploit DB fails to start on Kali Linux with PostgreSQL versions 14, 15, and 16.3. Accessible ports 5432, 5433, and 5434 are confirmed active, and running 'sudo pgadmin4 status' returns no errors. Let's explore potential solutions.

Connection Error While Configuring PostgreSQL basebackup with nxs-backup: PSQL Connect Error

This article provides a solution for a common issue encountered while configuring PostgreSQL basebackup with nxs-backup: a PSQL connect error due to the non-existent database user. We will guide you through editing pg_hba.conf to resolve the issue.

Understanding Docker Compose Network Isolation on Linux

Learn how Docker Compose manages network isolation on Linux systems and troubleshoot issues with bridged networks.

NAT Configuration for Multi-OS Network: Linux, Windows, and POS

Learn how to configure Network Address Translation (NAT) for a multi-computer network with a Linux PC, a Windows VM, and a POS system.

Linux: Docker Compose - Zabbix Host Ping: Container Not Responding in Another Bridged Docker Network

In a Docker environment running on a Linux host with two Docker networks, Zabbix fails to ping a container when both containers are in different bridged networks. This article provides an overview and suggested solutions to resolve the issue.

Adjust User CPU Quantum and Preempt Processes in Linux for NGINX and PostgreSQL

Learn how to adjust user CPU quantum and preempt processes in Linux to improve the performance of NGINX web server and PostgreSQL database server. This article explains the steps to edit configuration files and optimize system settings.

Adjusting User Quotas and Preempting Processes in Linux: NGINX and PostgreSQL

Learn how to adjust user quotas and preempt processes in Linux to optimize resource usage for NGINX web servers and PostgreSQL databases servers.

Postfix, Node.js, and SMTP: Receiving Emails with a Custom Domain

Learn how to set up Postfix Smtp server to receive emails using Node.js and a custom domain.

Resolving PPAs Repository Errors with WSL2 Ubuntu 24.04

Experiencing errors while adding PPAs in Ubuntu 24.04 using WSL2? Learn how to resolve these issues and successfully import repositories.

Postfix: Deleting Old Emails on a VPS with Ubuntu and POP

Learn how to configure Postfix on a Ubuntu VPS to delete old emails using POP. This tutorial covers Postfix, Dovecot, and SpamAssassin.

Cloning Public Git Repositories for HPC Software Installation: A Firewall Consideration

During the installation process of scientific software packages on an HPC cluster, configuration often involves cloning several public Git repositories. However, firewall settings may hinder this process. This article discusses potential solutions.

Difference between using ps2pdf and ps2pdf-wr for converting PostScript files to PDF

When converting PostScript files to PDF, you can use either ps2pdf or ps2pdf-wr. Both tools convert PostScript to PDF, but there are practical differences between the two. In this article, we'll discuss the key differences and help you decide which one to use.

Github: Assigning 10 People to an Issue in a Private Repository for Free?

Discover the surprising possibility of assigning multiple team members to an issue in a free private GitHub repository. Learn the implications and potential workarounds.

WSL, Docker, compose, volume, bind, mount, empty host: Setting up Gitea container in WSL

Learn how to set up a Gitea container in WSL using Docker Compose with an empty host volume bind mount.

Power BI: Error Occurred Reading Data Provider: Remote Certificate Not Valid According to Validation Procedure - PostgreSQL

This article provides a solution to the error 'Error Occurred Reading Data Provider: Remote Certificate Not Valid According to Validation Procedure' when trying to connect to a PostgreSQL database server in Power BI.

Using git-config to Switch Repository with Host Address in ssh config

Learn how to use git-config to switch Git repositories based on the host address defined in your ssh config file.

Handling Included Files with DSC Comments in PostScript Documents

Learn how to handle included files with DSC comments in PostScript documents. Understand the conventions and run commands to include and process these files.

Firewalling Docker Compose on Debian 12: Accessing Containers Behind a Firewall

Learn how to configure firewall rules to access Docker Compose containers behind a firewall on Debian 12. This article explains the necessary steps to set up host networking and adjust firewall settings for successful container access.

Relative Positioning of Ugee M708 Clipart Studio with OpenPressure in Windows Ink Mode

Learn how to properly position the Ugee M708 Clipart Studio tablet while using OpenPressure and Windows Ink Mode to prevent the cursor from jumping around.

Making a PostScript File Annotated: A Tech Support Query

A user reports executing a PostScript program successfully using Emacs PostScript debugger and converting it to PDF using ps2pdf. They ask for help in making the resulting PDF annotated.

Setting up a new PostgreSQL 15.5 database: Creating a new database

Learn how to create a new database in PostgreSQL 15.5 using the 'createdatabase' command.

Building a Data Warehouse using PostgreSQL for a Traditional Manufacturing Business

A traditional manufacturing business uses an old ERP system programmed specifically for them with BASIC, which relies on a flat file system. Learn how to build a data warehouse using PostgreSQL to modernize their data management.

Resolving Version Mismatch During Docker Compose Installation on Debian

This article provides a solution to a common issue encountered during the installation of the latest Docker Compose on Debian systems, where a version mismatch error occurs.

HPE Repository Not Signed on Debian 12: A Solution

Learn how to add and sign the HPE repository on Debian 12 to avoid issues with package installation.

Asus M4A79XTDEVO ECC RAM Compatibility Issue

Users report that their Asus M4A79XTDEVO motherboard supports 4x4GB unbuffered ECC RAM, but encounter issues with POST when trying to use ECC sticks. This article provides potential solutions and troubleshooting steps.

Google Chrome vs Firefox: Network Developer Request for HTML Autopost

A developer encounters an issue where Google Chrome fails to render HTML content during localhost autoposting, unlike Firefox. This article discusses potential solutions.

Possible Move of Chrome Titlebar Icon Position: Windows vs Mac

Discover the differences in Chrome titlebar icon position when resizing windows on Windows and Mac.

Using new certificate.cer file instead of default one in DDEV Composer with WSL2 Ubuntu

Learn how to use a new certificate.cer file instead of the default one when working with DDEV Composer on WSL2 Ubuntu.

Handling Email Delivery with Dynamic IP Addresses on Ubuntu Server using Postfix

Learn how to handle email delivery on a Ubuntu server with a dynamic IP address using Postfix. This includes setting up DNS records and configuring Postfix to adapt to IP address changes.

Docker Compose Freezes EC2 t2.micro Instance: A Solution

This article discusses a common issue where Docker Compose freezes an Amazon EC2 t2.micro instance. We'll suggest a potential solution to prevent this issue and keep your instance responsive.

Programmatically Stopping Multiple Docker Services with Labels

Learn how to stop multiple Docker services with specific labels using a script or programmatically. This article covers the use of Docker's command-line interface and filters.

Understanding Postfix Lookup Table in Tech Support

When trying to send mail locally using Postfix, the concept of a lookup table might come up during troubleshooting. In this article, we'll discuss what a Postfix lookup table is and how it's used.

Excel XLOOKUP Formula: Positioning Criteria with Two Criteria

Learn how to use Excel XLOOKUP formula to position data based on two criteria. This article provides a step-by-step guide and examples.

Laravel Command Not Found: Accidentally Changed Terminal Path

Learning PHP and installing Laravel through Composer, but encountering a Laravel command not found error. The terminal path may have been accidentally changed. Follow these steps to resolve the issue.

Postfix with OpenSSL 3: Auto DH Parameters

This article explains how to configure Postfix to use OpenSSL 3's auto DH parameters.

Postfix 3.7 and OpenSSL 3: Configuring DH Parameters

This article explains how to configure DH parameters in Postfix 3.7 when using OpenSSL 3.0.0 or later.

Uncovering the Origin of Unexpected Clones in Newly Opened GitHub Repos

This article explores potential sources for unexpected clones found in newly opened GitHub repositories. The analysis includes an examination of common practices, automated processes, and potential malicious activity.

Docker (Compose) Support for Pure L1 L2 Networking in Mini Internet Project

Learn how to configure Docker (Compose) for pure L1 L2 networking in a mini internet project. Create a custom network environment with hosts, routers, DHCP, DNS, TLS, and more.

iSCSI Connection Timeout during Ubuntu Server (22.04.3 LTS) Booting with Veeam Repository

This article discusses a common issue encountered during the boot process of an Ubuntu Server (22.04.3 LTS) when trying to connect to NetApp storage via iSCSI using Veeam Repository. The setup goes smoothly until the server reboots, causing a timeout.

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