How to Send Email in Linux from the Command Line
Learn how to send email from the Linux command line using tools like mail, sendmail, and ssmtp. Step-by-step examples and best practices for automating email alerts.
How To Create Interactive Command-line Prompts with Inquirer.js
Learn how to add interactive command-line prompts to your Node.js scripts using the Inquirer.js npm package.
Debian 11 — backup-manager — multiple vulnerabilities (4 CVEs) — patch and remediation guide
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2005-1855 CVE-2005-1856 CVE-2007-2766 CVE-2007-4656 Upstream summary: Backup Manager (backup-manager) before 0.5.8 creates backup files with world-readable default permissions, which allows local users to obtain sensitive information. Table of […]
Debian 11 — php-pecl-http — multiple vulnerabilities (2 CVEs) — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Debian 11 (bullseye) 📖 ~4 min read • Source: Debian Security Tracker Related CVEs: CVE-2016-5873 CVE-2016-7398 Upstream summary: Buffer overflow in the HTTP URL parsing functions in pecl_http before 3.0.1 might allow remote attackers to execute arbitrary code via non-printable characters in […]
How To Set Up Scheduled MongoDB Backups to object storage
In this guide, we’ll demonstrate how to set up scheduled logical backups of a MongoDB instance to object storage using mongodump, Bash, and cron. In addition, we’ll perform a data recovery exercise using mongorestore.
Como Migrar Dados do Redis para um Banco de Dados Gerenciado na the cloud provider
Existem vários métodos que você pode usar para migrar dados de uma instância Redis para outra, tais como a replicação ou o snapshotting. No entanto, as migrações podem…
Ubuntu 14.04 — wheel — vulnerability — patch and remediation guide
🟢 Low ⏱ 5–15 min Last verified: 25 May 2026 Affected versions: Ubuntu 14.04 (trusty) 📖 ~4 min read • Source: Ubuntu Security Notice USN-5821-1 Related CVEs: CVE-2022-40898 Upstream summary: Sebastian Chnelik discovered that wheel incorrectly handled certain file names when validated against a regex expression. An attacker could possibly use this issue to […]
How to Configure IIS Compression on Windows Server 2019
Introduction to IIS Compression on Windows Server 2019 HTTP compression reduces the size of responses sent from IIS to clients, significantly reducing bandwidth consumption and improving page load times, particularly for text-based content (HTML, CSS, JavaScript, XML, JSON). IIS 10 on Windows Server 2019 supports two types of compression: Static Compression (compresses static files once […]
How To Install the Munin Monitoring Tool on Ubuntu 14.04
Munin is a system, network, and infrastructure monitoring application that provides information in graphs through a web browser. It is designed around a client-server architecture and can be configured to monitor the machine it’s installed on (the _Munin master_) and any number of client machines, which in Munin parlance, are called _Munin nodes_.
Oracle Linux 9 — tar — vulnerability — patch and remediation guide (ELSA-2023-0959)
🟡 Medium ⏱ 10–30 min Last verified: 25 May 2026 Affected versions: Oracle Linux 9 📖 ~4 min read • Source: ELSA advisory ELSA-2023-0959 Related CVEs: CVE-2022-48303 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]
