Package Management

How to Install Icinga2 on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Install Icinga2 on Oracle Linux 9

Introduction How to Install Icinga2 on Oracle Linux 9 on Oracle Linux 9 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 reproducible […]

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Oracle Linux 9 — Systems With Btrfs Fail to Boot in FIPS Mode — diagnosis and fix on Oracle Linux 9

Oracle Linux 9 — Systems With Btrfs Fail to Boot in FIPS Mode (SR1-QHL-NZB)

🟠 High   ⏱ 5–30 min  Last verified: 13 February 2023 Affected versions: Oracle Linux 9 📖 ~4 min read  •  Source: Oracle Bug OLRNT-topic_sr1_qhl_nzb 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 […]

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IBM AIX 7.1 — CVE-2022-25256 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-25256 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 February 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-25256, IBM PSIRT advisory page CVE: CVE-2022-25256 NVD summary: SAS Web Report Studio 4.4 allows XSS. /SASWebReportStudio/logonAndRender.do has two parameters: saspfs_request_backlabel_list and saspfs_request_backurl_list. The first one affects the content of the button […]

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IBM AIX 7.1 — CVE-2022-40750 — xss — patch and remediation guide — diagnosis and fix on IBM AIX 7.1

IBM AIX 7.1 — CVE-2022-40750 — xss — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 13 February 2023 Affected versions: IBM AIX 7.1 📖 ~4 min read  •  Source: NVD CVE-2022-40750, IBM Support Bulletin CVE: CVE-2022-40750 NVD summary: IBM WebSphere Application Server 8.5, and 9.0 is vulnerable to cross-site scripting. This vulnerability allows users to embed arbitrary JavaScript code in the Web […]

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How to Set Up a Certificate Authority on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up a Certificate Authority on Oracle Linux 9

Introduction Oracle Linux 9 ships with a stable, security-hardened base that makes deploying set up a certificate authority on oracle linux 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up a Certificate Authority on Oracle Linux 9, including dnf module streams where applicable, systemd unit management, and the […]

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Windows Server 2022 — KB5033371 — multiple vulnerabilities (18 CVEs) — patch and remediation guide — diagnosis and fix on Windows Server 2022

Windows Server 2022 — KB5033371 — multiple vulnerabilities (18 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Windows Server 2022 📖 ~4 min read  •  Source: Microsoft KB5033371 • MSRC update-guide entry Related CVEs: CVE-2023-35641 CVE-2023-35628 CVE-2023-35630 CVE-2023-36696 CVE-2023-36011 CVE-2023-21740 CVE-2023-20588 CVE-2023-36012  +10 more Affected components: Windows Server 2022 Windows Server 2022, 23H2 Edition (Server Core installation) Table of […]

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Debian 11 — libhx — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — libhx — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2010-2947 Upstream summary: Heap-based buffer overflow in the HX_split function in string.c in libHX before 3.6 allows remote attackers to execute arbitrary code or cause a denial of […]

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Debian 11 — pdfcrack — vulnerability — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — pdfcrack — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2020-22336 Upstream summary: An issue was discovered in pdfcrack 0.17 thru 0.18, allows attackers to execute arbitrary code via a stack overflow in the MD5 function. Table of […]

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Debian 11 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Debian 11

Debian 11 — dbus-broker — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 February 2023 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-31212 CVE-2022-31213 Upstream summary: An issue was discovered in dbus-broker before 31. It depends on c-uitl/c-shquote to parse the DBus service's Exec line. c-shquote contains a stack-based buffer […]

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