Linux

Utiliser Grep et les expressions régulières pour rechercher des modèles de texte en Linux — step-by-step Linux tutorial on Progressive Robot

Utiliser Grep et les expressions régulières pour rechercher des modèles de texte en Linux

Grep est un outil qui permet de rechercher certains modèles spécifiques dans un texte saisi en utilisant des expressions régulières. Les expressions régulières sont un système qui permet de décrire les modèles de texte complexes. Les expressions régulières représentent un puissant outil qui peut être utilisé dans divers programmes texte différents. Au cours de ce tutoriel, vous allez utiliser grep et des expressions régulières pour effectuer une recherche dans un texte.

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Ubuntu 18.04 — nova — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — nova — multiple vulnerabilities (7 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5866-1 Related CVEs: CVE-2015-9543 CVE-2017-18191 CVE-2020-17376 CVE-2021-3654 CVE-2022-37394 CVE-2022-47951 CVE-2019-14433 Upstream summary: It was discovered that Nova did not properly manage data logged into the log file. An attacker with […]

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Ubuntu 22.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — neutron — multiple vulnerabilities (5 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-6067-1 Related CVEs: CVE-2021-20267 CVE-2021-38598 CVE-2021-40085 CVE-2021-40797 CVE-2022-3277 Upstream summary: David Sinquin discovered that OpenStack Neutron incorrectly handled the default Open vSwitch firewall rules. An attacker could possibly use this […]

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Ubuntu 16.04 — node-url-parse — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — node-url-parse — multiple vulnerabilities (8 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-5973-1 Related CVEs: CVE-2018-3774 CVE-2020-8124 CVE-2021-27515 CVE-2021-3664 CVE-2022-0512 CVE-2022-0639 CVE-2022-0686 CVE-2022-0691 Upstream summary: It was discovered that url-parse incorrectly handled certain inputs. If a user or an automated system were […]

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Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — c-ares — vulnerability — patch and remediation guide (ELSA-2023-7116)

🟡 Medium   ⏱ 10–30 min  Last verified: 14 January 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-7116 Related CVEs: CVE-2022-4904 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 le serveur web Apache sur CentOS 8 — step-by-step Linux tutorial on Progressive Robot

Comment installer le serveur web Apache sur CentOS 8

Le serveur HTTP Apache est le serveur web le plus utilisé au monde. Il offre de nombreuses fonctionnalités puissantes, notamment des modules à chargement dynamique, une prise en charge robuste des médias et une intégration poussée avec d’autres…

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Common Problems 118098

Ubuntu 18.04 Netplan Configuration Ignored on Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 13 January 2023 📖 ~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 References & Further […]

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Common Problems 114614

RHEL 9: MariaDB Fails to Start After Package Update

🟡 Medium   ⏱ 5–30 min  Last verified: 13 January 2023 📖 ~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 References & Further […]

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