Linux

Como configurar as chaves SSH no Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Como configurar as chaves SSH no Ubuntu 20.04

O SSH, ou shell seguro, é um protocolo criptografado usado para administrar e se comunicar com servidores. Ao trabalhar com um servidor Ubuntu, existem boas chances de você gastar a maior parte do seu tempo em uma sessão de terminal conectada ao seu servidor através do…

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

Oracle Linux 8 — libwebp — vulnerability — patch and remediation guide (ELSA-2023-5309)

🟠 High   ⏱ 15–60 min  Last verified: 7 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2023-5309 Related CVEs: CVE-2023-4863 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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Common Problems 124557

Oracle Linux 9 – Common Problem 010 – Diagnosis and Fix

🟡 Medium   ⏱ 5–30 min  Last verified: 6 April 2023 Affected versions: Oracle Linux 9 📖 ~3 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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Common Problems 117431

Ubuntu 20.04 LTS SSH Login Rejected With Permission Denied

🟠 High   ⏱ 5–30 min  Last verified: 6 April 2023 Affected versions: 20.04 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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Common Problems 115619

RHEL 7 multipath devices missing after reboot

🟠 High   ⏱ 5–30 min  Last verified: 6 April 2023 Affected versions: RHEL 7 📖 ~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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Common Problems 114542

RHEL 9 NFS Mount Fails at Boot with Dependency Timeout

🟡 Medium   ⏱ 5–30 min  Last verified: 6 April 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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Debian 11 — sniproxy — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — sniproxy — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 6 April 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2023-25076 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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SLES 15 — python3-py — vulnerability — patch and remediation guide — diagnosis and fix on SLES 15

SLES 15 — python3-py — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 6 April 2023 Affected versions: SLES 15 📖 ~4 min read  •  Source: SUSE advisory SUSE-CU-2023:338-1 (see also SUSE bugzilla) Related CVEs: CVE-2022-42969 Upstream summary: The py library through 1.11.0 for Python allows remote attackers to conduct a ReDoS (Regular expression Denial of Service) attack via a […]

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Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — python-pillow — vulnerability — patch and remediation guide (ELSA-2024-0893)

🟠 High   ⏱ 15–60 min  Last verified: 6 April 2023 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-0893 Related CVEs: CVE-2023-50447 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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