Linux

Gentoo Linux — www-servers/apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Gentoo Linux

Gentoo Linux — www-servers/apache — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Gentoo Linux 📖 ~4 min read  •  Source: Gentoo GLSA GLSA-202208-20 Related CVEs: CVE-2021-33193 CVE-2021-34798 CVE-2021-36160 CVE-2021-39275 CVE-2021-40438 CVE-2021-41524 CVE-2021-41773 CVE-2021-42013  +12 more Upstream summary: Multiple vulnerabilities have been discovered in Apache HTTPD. Please review the CVE identifiers referenced below for details. […]

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Debian 11 — python2.7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — python2.7 — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • December 13, 2021
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 13 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-1634 CVE-2010-2089 CVE-2010-3492 CVE-2011-1521 CVE-2011-3389 CVE-2011-4940 CVE-2011-4944 CVE-2012-0845  +12 more Upstream summary: Multiple integer overflows in audioop.c in the audioop module in Python 2.6, 2.7, 3.1, and 3.2 […]

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Cómo instalar Nginx en Ubuntu 20.04 — step-by-step Linux tutorial on Progressive Robot

Cómo instalar Nginx en Ubuntu 20.04

  • December 13, 2021
  • Linux
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Nginx es uno de los servidores web más populares del mundo y aloja algunos de los sitios más grandes y con mayor tráfico en Internet. Es una opción ligera que se puede utilizar como servidor web o proxy inverso. En esta guía, explicaremos cómo…

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Oracle Linux 8 — rust-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — rust-toolset:ol8 security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2021-3063)

  • December 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 December 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2021-3063 Related CVEs: CVE-2021-28876 CVE-2021-28879 CVE-2021-28875 CVE-2021-28877 CVE-2020-36323 CVE-2021-31162 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 119149

Ubuntu 14.04 LTS Backup Jobs Fail from Expired SSH Host Keys

  • December 12, 2021
  • Linux
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🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2021 Affected versions: 14.04 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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How to Configure CentOS Stream 9 in Google Cloud — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Configure CentOS Stream 9 in Google Cloud

  • December 12, 2021
  • CentOS
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Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying configure centos stream 9 in google cloud both straightforward and auditable. This tutorial covers the complete procedure for how to Configure CentOS Stream 9 in Google Cloud, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Common Problems 118456

Ubuntu 16.04 LTS – UFW blocks SSH access unexpectedly

  • December 12, 2021
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 12 December 2021 Affected versions: Ubuntu 16.04 LTS Ubuntu 16.04 Ubuntu 16.04.7 📖 ~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 […]

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AlmaLinux 8 — iputils — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — iputils — vulnerability — patch and remediation guide

  • December 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:2086 Upstream summary: For detailed information on changes in this release, see the AlmaLinux Release Notes linked from the References section. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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Debian 11 — oggvideotools — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — oggvideotools — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-21722 CVE-2020-21723 CVE-2020-21724 Upstream summary: Buffer Overflow vulnerability in oggvideotools 0.9.1 allows remote attackers to run arbitrary code via opening of crafted ogg file. Table of contents Symptom […]

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Debian 11 — libxvmc — multiple vulnerabilities (3 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libxvmc — multiple vulnerabilities (3 CVEs) — patch and remediation guide

  • December 12, 2021
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 12 December 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-1990 CVE-2013-1999 CVE-2016-7953 Upstream summary: Multiple integer overflows in X.org libXvMC 1.0.7 and earlier allow X servers to trigger allocation of insufficient memory and a buffer overflow via […]

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