March 2021 - Page 29 of 69

Debian 9 — proftpd-dfsg — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 9

Debian 9 — proftpd-dfsg — multiple vulnerabilities (3 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Debian 9 (stretch) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-12815 CVE-2019-18217 CVE-2020-9273 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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How To Install WordPress with LEMP on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Install WordPress with LEMP on Ubuntu 18.04

WordPress is the most popular CMS (content management system) on the internet. It allows you to easily set up flexible blogs and websites on top of a MySQL backend with PHP processing. WordPress has seen incredible adoption and is a great choice for getting a website up and…

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Установка TensorFlow в Ubuntu 20.04 — step-by-step AI And Machine Learning tutorial on Progressive Robot

Установка TensorFlow в Ubuntu 20.04

Программная библиотека машинного обучения TensorFlow с открытым исходным кодом используется для обучения нейросетей. Каждый узел графика отражает операции, выполняемые нейросетями в многомерных массивах, в форме [графиков потока данных с сохранением…

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Debian 10 — apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 10

Debian 10 — apt — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Debian 10 (buster) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-27350 CVE-2020-3810 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & […]

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Navigating the Evolving Landscape of Cybersecurity Threats

Navigating the Evolving Landscape of Cybersecurity Threats

In today’s digital landscape, cybersecurity is a critical concern for businesses, governments, and individuals. The interconnectedness of systems, the proliferation of data, and the ever-evolving strategies employed by malicious actors demand a nuanced understanding of the threat landscape. This comprehensive exploration delves into the multifaceted nature of cybersecurity threats, the evolving strategies of cyber adversaries, and proactive measures organizations can take to bolster their defenses.

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Configuração Inicial de servidor com Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

Configuração Inicial de servidor com Ubuntu 18.04

Quando você cria inicialmente um novo servidor Ubuntu 18.04, existem alguns passos de configuração que você deve tomar no início como parte da configuração básica. Isto aumentará a segurança e a usabilidade do seu servidor e dará uma sólida fundação para as ações…

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Oracle Linux 8 — ruby:2.5 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — ruby:2.5 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-2587)

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-2587 Related CVEs: CVE-2020-10663 CVE-2019-16255 CVE-2020-25613 CVE-2019-15845 CVE-2019-16254 CVE-2019-16201 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – […]

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Common Problems 117603

Apache Cannot Allocate Shared Memory

🟠 High   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 20.04 📖 ~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 […]

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Common Problems 115977

Ubuntu 26.04 LTS – AppArmor profile denies custom service file access – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 19 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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