Logging Monitoring

How to Harden Web Servers on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Harden Web Servers on FreeBSD 13

Introduction Deploying harden web servers on freebsd 13 on a FreeBSD 13 machine differs from Linux in several important ways: packages come from the FreeBSD Ports Collection or the binary pkg repository, services are registered in /etc/rc.conf via sysrc(8), and firewall rules are written in pf.conf(5) syntax. This tutorial stays entirely within the standard base […]

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IBM AIX 7.3 — CVE-2002-0744 — buffer overflow — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2002-0744 — buffer overflow — patch and remediation guide

🟠 High   ⏱ 30–90 min  Last verified: 4 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2002-0744, IBM PSIRT advisory page CVE: CVE-2002-0744 NVD summary: namerslv in AIX 4.3.3 core dumps when called with a very long argument, possibly as a result of a buffer overflow. References: archives.neohapsis.com/archives/aix/2002-q2/0005 […]

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Oracle Linux 8 — Package Conflict Between usbguard-1.0.0-2.el8.i686 And usbguard-1.0.0-8.el8.x86_64 on Oracle Linux 8 Upgrades — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Package Conflict Between usbguard-1.0.0-2.el8.i686 And usbguard-1.0.0-8.el8.x86_64 on Oracle Linux 8 Upgrades

🟠 High   ⏱ 5–30 min  Last verified: 3 January 2022 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug 34097708 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 7.3 — CVE-2016-8981 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.3

IBM AIX 7.3 — CVE-2016-8981 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 3 January 2022 Affected versions: IBM AIX 7.3 📖 ~4 min read  •  Source: NVD CVE-2016-8981, IBM Support Bulletin CVE: CVE-2016-8981 NVD summary: IBM BigFix Inventory v9 allows web pages to be stored locally which can be read by another user on the system. References: www.ibm.com/support/docview.wss?uid=swg21994932   […]

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Common Problems 117599

Ubuntu 20.04 suspend and resume not working properly

🟡 Medium   ⏱ 5–30 min  Last verified: 3 January 2022 📖 ~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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How to Set Up TimescaleDB on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up TimescaleDB on CentOS Stream 9

Introduction Setting up set up timescaledb on centos stream 9 on a CentOS Stream 9 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up TimescaleDB on CentOS Stream 9, with all the commands you need, the SELinux and firewalld considerations to keep in […]

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FreeBSD 13 — magento — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — magento — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: magento — multiple vulnerabilities Related CVEs: CVE-2012-3363 Upstream summary: Magento, Inc. reports: SUPEE-6482 – This patch addresses two issues related to APIs and two cross-site scripting risks. SUPEE-6285 – This […]

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FreeBSD 13 — py36-aiohttp — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py36-aiohttp — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 January 2022 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: aiohttp — open redirect vulnerability Related CVEs: CVE-2021-21330 Upstream summary: Sviatoslav Sydorenko reports: Open redirect vulnerability — a maliciously crafted link to an aiohttp-based web-server could redirect the browser to […]

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Common Problems 114931

RHEL 8 NetworkManager DNS Resolution Intermittently Failing

🟡 Medium   ⏱ 5–30 min  Last verified: 3 January 2022 📖 ~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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