chris

Arch Linux — xorg-server — multiple vulnerabilities (11 CVEs) — patch and remediation guide

• June 19, 2020
• Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201810-15 Related CVEs: CVE-2018-14665 CVE-2017-12183 CVE-2017-12178 CVE-2017-12177 CVE-2017-12176 CVE-2017-10972 CVE-2017-10971 CVE-2020-25712  +3 more Upstream summary: Type: privilege escalation. Status: Fixed. Affected: 1.20.2-1. Fixed in: 1.20.3-1. Group: AVG-788. Table of contents […]

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Como construir um Slackbot em Python no Ubuntu 20.04

• June 19, 2020
• Linux
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O autor selecionou a Tech Education Fund para receber uma doação como parte do programa Write for DOnations. O Slack é uma plataforma de comunicação projetada para a…

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How to Add and Delete Users on Ubuntu 18.04

• June 19, 2020
• Linux
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Learning how to manage users effectively is an essential skill for any Linux system administrator. In this guide, we will discuss how to add and delete users and assign sudo privileges on an Ubuntu 18.04 server.

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Windows Server 2012 R2 Backup CBT Driver Increases Kernel I/O Latency – Fix & Prevention

• June 18, 2020
• Tutorials
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🟠 High   ⏱ 5–30 min  Last verified: 18 June 2020 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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Windows Server 2019 — Component store partial rebuild leaves features missing after restore — Fix & Prevention

• June 18, 2020
• FreeBSD
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🟠 High   ⏱ 5–30 min  Last verified: 18 June 2020 Affected versions: Windows Server 2019 📖 ~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 […]

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How to Secure Apache with Let’s Encrypt on FreeBSD 12

• June 18, 2020
• FreeBSD
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Introduction Deploying secure apache with let’s encrypt on freebsd 12 on a FreeBSD 12 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the […]

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Alpine Linux edge — bareos — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• June 18, 2020
• Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 19.2.8-r0 📖 ~4 min read  •  Source: Alpine secdb entry — bareos 19.2.8-r0 Related CVEs: CVE-2020-4042 CVE-2020-11061 Upstream summary: Alpine community repository for vedge ships bareos 19.2.8-r0 which addresses CVE-2020-4042. Table of contents Symptom & Impact […]

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How to Configure Logical Volume Manager on IBM AIX 7.2

• June 18, 2020
• IBM AIX
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Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure logical volume manager on ibm aix 7.2 on […]

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FreeBSD 12 — py37-ecdsa — multiple vulnerabilities (2 CVEs) — patch and remediation guide

• June 18, 2020
• BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 18 June 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: security/py-ecdsa — multiple issues Related CVEs: CVE-2019-14853 CVE-2019-14859 Upstream summary: py-ecdsa developers report: Fix CVE-2019-14853 – possible DoS caused by malformed signature decoding. Fix CVE-2019-14859 – signature malleability caused by […]

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LLM Fine-Tuning: A Guide for Domain-Specific Models

• June 18, 2020
• AI And Machine Learning
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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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