Operations

FreeBSD 13 — cacti — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — cacti — multiple vulnerabilities (20 CVEs) — patch and remediation guide

  • November 17, 2021
  • BSD
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🟠 High   ⏱ 15–60 min  Last verified: 17 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: cacti — Multiple vulnerabilities Related CVEs: CVE-2009-4032 CVE-2010-1431 CVE-2013-1434 CVE-2013-1435 CVE-2013-5588 CVE-2013-5589 CVE-2014-2326 CVE-2014-2327  +12 more Upstream summary: Cacti repo reports: security #GHSA-c5j8-jxj3-hh36: Authenticated RCE via multi-line SNMP responses security […]

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How to Set Up Alertmanager with Slack on FreeBSD 13 — step-by-step FreeBSD 13 tutorial on Progressive Robot

How to Set Up Alertmanager with Slack on FreeBSD 13

  • November 17, 2021
  • FreeBSD
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Introduction How to Set Up Alertmanager with Slack on FreeBSD 13 is a core administration task for any FreeBSD 13 server operator. FreeBSD 13 ships with the 15.0-RELEASE kernel, ZFS as the default root filesystem, Capsicum capability sandboxing improvements, and an updated ports tree. Unlike Linux distributions, FreeBSD uses rc(8) for service management, pf for […]

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Oracle Linux 8 — Installation and Upgrade Issues — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — Installation and Upgrade Issues

  • November 16, 2021
  • Linux
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🟠 High   ⏱ 5–30 min  Last verified: 16 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: Oracle Bug OLRNB-ol8-issues-install 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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Common Problems 113466

Windows Server 2012 R2 – Display miniport TDR resets freeze RDP sessions – Fix and Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 2021 Affected versions: Windows Server 2012 R2 📖 ~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 […]

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AlmaLinux 8 — gcc-toolset-10 — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — gcc-toolset-10 — vulnerability — patch and remediation guide

  • November 16, 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-2021:1750 Upstream summary: GCC Toolset is a compiler toolset that provides recent versions of development tools. GCC Toolset is an Application Stream packaged as a Software Collection. For instructions on usage, see […]

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How to Set Up SLES 12 Cluster with SUSE Linux Enterprise HA Extension — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up SLES 12 Cluster with SUSE Linux Enterprise HA Extension

Introduction This tutorial covers How to Set Up SLES 12 Cluster with SUSE Linux Enterprise HA Extension on SLES 12. SLES 12 (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 12 system is […]

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Common Problems 112493

Windows Server 2019 — RRAS NAT translation table saturation causes outbound traffic drops during peak usage — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 16 November 2021 Affected versions: Windows Server 2019 📖 ~2 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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IBM AIX 7.2 — CVE-2021-38948 — vulnerability — patch and remediation guide — diagnosis and fix on IBM AIX 7.2

IBM AIX 7.2 — CVE-2021-38948 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 15–45 min  Last verified: 16 November 2021 Affected versions: IBM AIX 7.2 📖 ~4 min read  •  Source: NVD CVE-2021-38948, IBM Support Bulletin CVE: CVE-2021-38948 NVD summary: IBM InfoSphere Information Server 11.7 is vulnerable to an XML External Entity Injection (XXE) attack when processing XML data. A remote attacker could exploit […]

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FreeBSD 13 — py-pycrypto — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py-pycrypto — vulnerability — patch and remediation guide

  • November 16, 2021
  • BSD
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🟢 Low   ⏱ 5–15 min  Last verified: 16 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: pycrypto — vulnerable ElGamal key generation Related CVEs: CVE-2012-2417 Upstream summary: Dwayne C. Litzenberger of PyCrypto reports: In the ElGamal schemes (for both encryption and signatures), g is supposed to […]

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AlmaLinux 8 — python-resolvelib — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — python-resolvelib — vulnerability — patch and remediation guide

  • November 16, 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-2022:1825 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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