Operations

How to Set Up a Multi-Node Kubernetes Cluster on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up a Multi-Node Kubernetes Cluster on SLES 12

Introduction This tutorial covers How to Set Up a Multi-Node Kubernetes Cluster on SLES 12 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. Step 1 — Disable Swap swapoff -a sed -i […]

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FreeBSD 13 — ilmbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — ilmbase — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 19 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: openexr, ilmbase — security fixes related to reading corrupted input files Related CVEs: CVE-2018-18443 CVE-2018-18444 CVE-2021-20296 CVE-2021-3474 CVE-2021-3475 CVE-2021-3476 CVE-2021-3477 CVE-2021-3478  +1 more Upstream summary: Cary Phillips reports: Patch release […]

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Common Problems 115454

SELinux Denies httpd Outbound Network Connections

🟡 Medium   ⏱ 5–30 min  Last verified: 19 September 2021 📖 ~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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FreeBSD 13 — postgresql92-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — postgresql92-server — multiple vulnerabilities (19 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 19 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: PostgreSQL vulnerabilities Related CVEs: CVE-2014-8161 CVE-2015-0241 CVE-2015-0242 CVE-2015-0243 CVE-2015-0244 CVE-2015-3165 CVE-2015-3166 CVE-2015-3167  +11 more Upstream summary: The PostgreSQL project reports: CVE-2017-15098: Memory disclosure in JSON functions CVE-2017-15099: INSERT … ON […]

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

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

🟠 High   ⏱ 15–60 min  Last verified: 19 September 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: moinmoin — multiple vulnerabilities Related CVEs: CVE-2004-0708 CVE-2007-0857 CVE-2007-0901 CVE-2007-0902 CVE-2007-2423 CVE-2007-2673 CVE-2008-0780 CVE-2008-0781  +12 more Upstream summary: MoinMoin reports: Security fix for CVE-2020-25074: fix remote code execution via cache […]

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

Debian 11 — nfdump — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2019-1010057 CVE-2019-14459 Upstream summary: nfdump 1.6.16 and earlier is affected by: Buffer Overflow. The impact is: The impact could range from a denial of service to local code […]

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

Debian 11 — transifex-client — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2013-2073 CVE-2013-7110 Upstream summary: Transifex command-line client before 0.9 does not validate X.509 certificates, which allows man-in-the-middle attackers to spoof a Transifex server via an arbitrary certificate. Table […]

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Arch Linux — spice — multiple vulnerabilities (4 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — spice — multiple vulnerabilities (4 CVEs) — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-202107-12 Related CVEs: CVE-2021-20201 CVE-2020-14355 CVE-2019-3813 CVE-2017-7506 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 0.14.3-3. Fixed in: 0.15.0-1. Group: AVG-1239. Table of contents Symptom & Impact Environment & Reproduction […]

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How to Secure Nginx with Let's Encrypt on SLES 15 — step-by-step SUSE Linux Enterprise 15 tutorial on Progressive Robot

How to Secure Nginx with Let’s Encrypt on SLES 15

Introduction This tutorial covers How to Secure Nginx with Let’s Encrypt on SLES 15 on SLES 15. SLES 15 (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 15 system is up to date: […]

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

Debian 11 — ipmitool — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 19 September 2021 Affected versions: Debian 11 (bullseye) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2011-4339 CVE-2020-5208 Upstream summary: ipmievd (aka the IPMI event daemon) in OpenIPMI, as used in the ipmitool package 1.8.11 in Red Hat Enterprise Linux (RHEL) 6, Debian GNU/Linux, […]

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