October 2020 - Page 57 of 69

Ubuntu 18.04 — ldns — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — ldns — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5257-1 Related CVEs: CVE-2020-19860 CVE-2020-19861 Upstream summary: It was discovered that ldns incorrectly handled certain inputs. An attacker could possibly use this issue to expose sensitive information. (CVE-2020-19860, CVE-2020-19861) Table […]

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Python Data Types — step-by-step Python tutorial on Progressive Robot

Python Data Types

This is an article about Python data types. It discusses different kinds of data types and their functionality. Some examples of data types are numeric, string, sequence, and mapping.

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SLES 15 — libjson-c3 — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — libjson-c3 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2022:108-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-12762 Upstream summary: json-c through 0.14 has an integer overflow and out-of-bounds write via a large JSON file, as demonstrated by printbuf_memappend. Table of contents […]

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How to Install Lighttpd on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install Lighttpd on Oracle Linux 8

Introduction This tutorial demonstrates how to Install Lighttpd on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default AppStream […]

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Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — dovecot — vulnerability — patch and remediation guide (ELSA-2020-2901)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-2901 Related CVEs: CVE-2020-10957 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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Comment installer et configurer Ansible sur Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Comment installer et configurer Ansible sur Ubuntu 20.04

Les systèmes de gestion de la configuration sont conçus pour rationaliser le processus de contrôle d’un grand nombre de serveurs, pour les administrateurs et les équipes opérationnelles. Ils vous permettent de contrôler de nombreux systèmes différents de manière automatisée à…

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Oracle Linux 8 — libyang — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — libyang — vulnerability — patch and remediation guide (ELSA-2019-4360)

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-4360 Related CVEs: CVE-2019-19334 CVE-2019-19333 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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