Package Management

Ubuntu 16.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 16.04

Ubuntu 16.04 — krb5 — multiple vulnerabilities (8 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2025 Affected versions: Ubuntu 16.04 (xenial) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7542-1 Related CVEs: CVE-2025-3576 CVE-2024-3596 CVE-2024-37370 CVE-2024-37371 CVE-2023-36054 CVE-2018-20217 CVE-2022-42898 CVE-2020-28196 Upstream summary: It was discovered that Kerberos allowed the usage of weak cryptographic standards. An attacker could possibly use […]

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Rocky Linux 8 — httpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 8

Rocky Linux 8 — httpd — multiple vulnerabilities (4 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 8 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:23732 Related CVEs: CVE-2025-55753 CVE-2025-58098 CVE-2025-65082 CVE-2025-66200 Upstream summary: The httpd packages provide the Apache HTTP Server, a powerful, efficient, and extensible web server. Security Fix(es): * httpd: Apache HTTP […]

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How to Set Up a Static IP Address on SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

How to Set Up a Static IP Address on SLES 16

Introduction This tutorial covers How to Set Up a Static IP Address on SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites Ensure your SLES 16 system is up to […]

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How to Set Up HTTP/3 (QUIC) in Nginx on RHEL 10 — step-by-step RHEL 10 tutorial on Progressive Robot

How to Set Up HTTP/3 (QUIC) in Nginx on RHEL 10

  • November 11, 2025
  • Linux
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Introduction How to Set Up HTTP/3 (QUIC) in Nginx on RHEL 10 on RHEL 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration […]

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Initial Server Setup with SLES 16 — step-by-step SUSE Linux Enterprise 16 tutorial on Progressive Robot

Initial Server Setup with SLES 16

Introduction This tutorial covers Initial Server Setup with SLES 16 on SLES 16. SLES 16 (SUSE Linux Enterprise Server 16) is SUSE’s enterprise-grade Linux distribution. It uses the zypper package manager, AppArmor for mandatory access control, and systemctl for service management. Prerequisites A fresh SLES 16 installation with root or sudo access is required. Ensure […]

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Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide — diagnosis and fix on Ubuntu 22.04

Ubuntu 22.04 — libsodium — vulnerability — patch and remediation guide

  • November 11, 2025
  • Linux
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🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Ubuntu 22.04 (jammy) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7949-1 Related CVEs: CVE-2025-69277 Upstream summary: It was discovered that Sodium incorrectly handled the elliptic curve point validity check in certain atypical use cases. This could result in invalid points […]

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How to Install MySQL 8 on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install MySQL 8 on RHEL 9

  • November 11, 2025
  • Linux
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MySQL is the world’s most widely deployed open-source relational database, powering WordPress, Magento, Drupal, and countless custom web applications. RHEL 9’s AppStream does not include MySQL directly — it ships MariaDB as the default MySQL-compatible database. To install the latest MySQL 8.4 LTS (or MySQL 8.0), you must add the official MySQL Community repository from […]

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How to Configure Prometheus AlertManager on Oracle Linux 10 — step-by-step Oracle Linux 10 tutorial on Progressive Robot

How to Configure Prometheus AlertManager on Oracle Linux 10

Introduction How to Configure Prometheus AlertManager on Oracle Linux 10 on Oracle Linux 10 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting configuration is […]

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Ubuntu 24.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 24.04

Ubuntu 24.04 — gobgp — multiple vulnerabilities (5 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟡 Medium   ⏱ 10–30 min  Last verified: 11 November 2025 Affected versions: Ubuntu 24.04 (noble) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-7661-1 Related CVEs: CVE-2025-43970 CVE-2023-46565 CVE-2025-43973 CVE-2025-43971 CVE-2025-43972 Upstream summary: It was discovered that GoBGP did not properly manage memory under certain circumstances, which could lead to a buffer overflow. […]

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Alpine Linux 3.20 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide — diagnosis and fix on Alpine Linux 3.20

Alpine Linux 3.20 — freetype — multiple vulnerabilities (7 CVEs) — patch and remediation guide

  • November 11, 2025
  • Linux
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🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.20 / fixed in 2.9-r1 📖 ~4 min read  •  Source: Alpine secdb entry — freetype 2.9-r1 Related CVEs: CVE-2018-6942 CVE-2017-8105 CVE-2017-8287 CVE-2022-27404 CVE-2022-27405 CVE-2022-27406 CVE-2020-15999 Upstream summary: Alpine main repository for vv3.20 ships freetype 2.9-r1 which addresses CVE-2018-6942. Table […]

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