How to Install the Apache Web Server on Ubuntu (UBUNTU-22-04)
Learn how to install Apache on Ubuntu with step-by-step commands, firewall setup, and virtual host configuration to get your site live.
Cómo instalar y utilizar PostgreSQL en Ubuntu 20.04
Los sistemas de administración de bases de datos relacionales son un componente clave de una gran cantidad de aplicaciones y sitios web. Proporcionan una alternativa estructurada para almacenar la información, organizarla y acceder a…
Cómo instalar y usar ClickHouse en Debian 10
El autor seleccionó la Free and Open Source Fund para recibir una donación como parte del programa Write for DOnations. ClickHouse es una base de datos de análisis…
Debian 10 – cron jobs stop running due to anacron or timer overlap
🟡 Medium ⏱ 5–30 min Last verified: 1 July 2020 Affected versions: Debian 10 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & […]
openSUSE Tumbleweed — feh — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2017-7875 Upstream summary: In wallpaper.c in feh before v2.18.3, if a malicious client pretends to be the E17 window manager, it is possible to trigger […]
SSH Login Delays from DNS and GSSAPI Timeouts
🟡 Medium ⏱ 5–30 min Last verified: 1 July 2020 📖 ~1 min read Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance Criteria Rollback Plan Prevention & Hardening Related Errors & Cross-Refs References & Further […]
How to Install Puppet Agent on Debian 10
Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up install puppet agent on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully and the […]
Explore LLama 3
In this article, we will introduce LLama 3, the next generation of state-of-the-art open-source large language model. We will understand the advancement of Llama 3 over Llama 2.
How to Use object storage Bucket as Tiered Storage in ClickHouse
Learn how to leverage object storage as tiered storage in ClickHouse to optimize your data infrastructure. This step-by-step guide shows how to set up, integrate, and effectively manage large datasets using object storage for scalable, cost-efficient storage in ClickHouse.
MongoDB findAndModify() example
URL: https://www.progressiverobot.com/mongodb-findandmodify-example/ MongoDB findAndModify() method modifies and returns a single document based upon the selection criteria entered. The returned document does not show the updated content by default. If the records matching the criteria does not exist in the database, a new record will be inserted if the upsert is set to true. MongoDB findAndModify() […]
