Linux

How to Install PostgreSQL 16 on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install PostgreSQL 16 on RHEL 9

PostgreSQL (often called Postgres) is an advanced open-source relational database with a 35-year development history. Unlike MySQL/MariaDB, PostgreSQL prioritises SQL standards compliance, data integrity, and extensibility over speed-at-any-cost. PostgreSQL excels at complex queries, full-text search, JSONB document storage, geospatial data (PostGIS extension), and write-heavy workloads that require strong ACID compliance. It is the preferred database […]

Read more
Rocky Linux 9 — redis — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Rocky Linux 9

Rocky Linux 9 — redis — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Rocky Linux 9 📖 ~4 min read  •  Source: Rocky Linux RXSA RLSA-2025:20955 Related CVEs: CVE-2025-46817 CVE-2025-46818 CVE-2025-46819 CVE-2025-49844 Upstream summary: Redis is an advanced key-value store. It is often referred to as a data-structure server since keys can contain strings, hashes, […]

Read more
Debian 13 — gitaly — vulnerability — patch and remediation guide — diagnosis and fix on Debian 13

Debian 13 — gitaly — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 11 November 2025 Affected versions: Debian 13 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-13353 Upstream summary: When importing repos via URL, one time use git credentials were persisted beyond the expected time window in Gitaly 1.79.0 or above. Table of contents Symptom […]

Read more
How to Install MariaDB 10.11 on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install MariaDB 10.11 on RHEL 9

MariaDB is a community-developed, fully open-source relational database and the default MySQL-compatible database in RHEL 9. It was created by the original MySQL developers after Oracle’s acquisition of MySQL and maintains complete protocol and API compatibility with MySQL applications. MariaDB 10.11 LTS is the current Long Term Support release, offering features that MySQL 8 does […]

Read more
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

🟡 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 […]

Read more
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

🟠 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 […]

Read more
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

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 […]

Read more
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

🟢 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 […]

Read more
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

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 […]

Read more
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

🟡 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. […]

Read more
CHAT