LLM Fine-Tuning: A Guide for Domain-Specific Models
Learn how LLM fine-tuning works and why it’s essential for building accurate domain-specific models. A beginner-friendly guide with key concepts and steps.
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How To Install Nginx on Ubuntu 20.04 [Quickstart]
Nginx is one of the most popular web servers in the world and is responsible for hosting some of the largest and highest-traffic sites on the internet. In this guide, we’ll explain how to install Nginx on your Ubuntu 20.04 server.
Ubuntu 20.04 — fastd — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 18 June 2020 Affected versions: Ubuntu 20.04 (focal) 📖 ~4 min read • Source: Ubuntu Security Notice USN-4610-1 Related CVEs: CVE-2020-27638 Upstream summary: It was discovered that fastd did not properly handle receive buffers under certain circumstances. A remote attacker could possibly use this issue to cause […]
Gentoo Linux — dev-util/rebar-bin — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read • Source: Gentoo GLSA GLSA-202405-30 Related CVEs: CVE-2020-13802 Upstream summary: Rebar3 is vulnerable to OS command injection via the URL parameter of a dependency specification. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]
How To Install Linux, Nginx, MariaDB, PHP (LEMP stack) on Debian 10
The LEMP software stack is a group of software that can be used to serve dynamic web pages and web applications. This is an acronym that describes a Linux operating system, with an Nginx web server. The backend data is stored in the MariaDB/MySQL database and the dynamic processing is handled by PHP.
How to Configure iSCSI Target and Initiator on Debian 10
Introduction This guide explains how to Configure iSCSI Target and Initiator on Debian 10 on Debian 10 Buster. Debian Buster uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 10 install with […]
How To Back Up Large Directories with Unison on Ubuntu 16.04
Unison is an open-source file synchronization tool. In this tutorial, you will install and configure Unison on a pair of servers and use it backup up a directory. You will also configure Unison to use SSH as the secure communication protocol and create a cron job.
Ubuntu 18.04 — mercurial — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 18 June 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5102-1 Related CVEs: CVE-2018-17983 CVE-2019-3902 Upstream summary: It was discovered that Mercurial mishandled symlinks in subrepositories. An attacker could use this issue to write arbitrary files to the target’s filesystem. […]
Como Instalar e Usar o Docker no CentOS 7
O Docker é um aplicativo que torna simples e fácil executar processos de aplicações em um container, que são como máquinas virtuais, apenas mais portáveis, mais fáceis de usar e mais dependentes do sistema operacional do host. Para uma introdução detalhada aos diferentes…
openSUSE Tumbleweed — lout — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟠 High ⏱ 15–60 min Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read • Source: SUSE advisory openSUSE-SU-2020:1771-1 (see also SUSE bugzilla) Related CVEs: CVE-2019-19917 CVE-2019-19918 Upstream summary: Lout 3.40 has a buffer overflow in the StringQuotedWord() function in z39.c. Table of contents Symptom & Impact Environment & Reproduction […]
