How To Set Up a Mirror Director with MirrorBrain on Ubuntu 14.04
Set up your own mirror director and mirror with MirrorBrain to enable a smart worldwide collection of download servers.
How to Perform a CIS Benchmark Audit on Debian 10
Introduction Deploying perform a cis benchmark audit on debian 10 on a Debian 10 Buster machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Before […]
Debian 10 TLS Handshake Failures to Repository or API Endpoints
🟠 High ⏱ 5–30 min Last verified: 2 August 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 & […]
Alpine Linux edge — targetcli — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Alpine Linux edge / fixed in 2.1.53-r0 📖 ~4 min read • Source: Alpine secdb entry — targetcli 2.1.53-r0 Related CVEs: CVE-2020-13867 CVE-2020-10699 Upstream summary: Alpine community repository for vedge ships targetcli 2.1.53-r0 which addresses CVE-2020-13867. Table of contents Symptom & Impact […]
How to Configure Persistent Volumes in Kubernetes on Debian 10
Introduction This guide explains how to Configure Persistent Volumes in Kubernetes 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 Move an Apache Web Root to a New Location on Ubuntu 20.04
In this guide, we’ll show you how to move an Apache document root to a new location which allows you to independently scale storage for different sites.
Ubuntu 14.04 — jquery — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 2 August 2020 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-7622-1 Related CVEs: CVE-2020-11023 CVE-2019-11358 CVE-2020-11022 CVE-2012-6708 Upstream summary: It was discovered that jQuery did not correctly handle HTML tags. An attacker could possibly use this issue to execute a […]
Amazon Linux 2 — chrony — vulnerability — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read • Source: Amazon Linux advisory ALAS2-2021-1575 Related CVEs: CVE-2020-14367 Upstream summary: A flaw was found in chrony when creating the PID file under the /var/run/chrony folder. The file is created during chronyd startup while still […]
Como Criar uma Imagem do Seu Ambiente Linux e Lançá-la na the cloud provider
O recurso Custom Images ou Imagens Personalizadas da the cloud provider lhe permite trazer seu disco virtual personalizado de Linux e Unix-like de um ambiente local ou de outra plataforma de nuvem para a the cloud provider e…
How to Manage System Packages with dnf on RHEL 8
DNF (Dandified YUM) is the default package manager on RHEL 8, replacing the older yum command with improved dependency resolution, transaction history, and modular package support through AppStream. Whether you are installing software, managing module streams, or adding third-party repositories like EPEL, dnf is the single tool for the job. This tutorial covers daily package […]
