Operations

openSUSE Tumbleweed — newlib — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — newlib — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE security advisory (see also SUSE bugzilla) Related CVEs: CVE-2021-3420 Upstream summary: A flaw was found in newlib in versions prior to 4.0.0. Improper overflow validation in the memory allocation functions mEMALIGn, pvALLOc, nano_memalign, […]

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How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7

How to Back Up PostgreSQL with pg_dump and pg_basebackup on RHEL 7 A reliable backup strategy is one of the most critical operational requirements for any PostgreSQL deployment. On RHEL 7, PostgreSQL provides several complementary backup tools suited to different recovery scenarios: pg_dump for logical, per-database backups that can be restored selectively; pg_dumpall for capturing […]

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Oracle Linux 8 — NetworkManager — security and stability fixes — required update — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — NetworkManager — security and stability fixes — required update (ELSA-2020-3011)

🟡 Medium   ⏱ 10–30 min  Last verified: 13 November 2021 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-3011 Related CVEs: CVE-2020-10754 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification & Acceptance […]

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How to Configure OpenTelemetry Collector on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure OpenTelemetry Collector on SLES 12

Introduction This tutorial covers How to Configure OpenTelemetry Collector 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. Prerequisites Ensure your SLES 12 system is up to date: zypper refresh […]

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

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

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2020:4776 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. This enhancement update adds the […]

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

FreeBSD 13 — nomad — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: nomad — multiple vulnerabilities Related CVEs: CVE-2020-27195 Upstream summary: The HashiCorp team reports: artifact: Fixed a bug where interpolation can be used in the artifact destination field to write artifact […]

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FreeBSD 13 — py27-supervisor — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — py27-supervisor — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: Supervisord — An authenticated client can run arbitrary shell commands via malicious XML-RPC requests Related CVEs: CVE-2017-11610 Upstream summary: mnaberez reports: supervisord can be configured to run an HTTP server […]

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FreeBSD 13 — peercast — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — peercast — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 13 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: peercast — arbitrary code execution Related CVEs: CVE-2007-6454 CVE-2008-2040 Upstream summary: Nico Golde discovered that PeerCast, a P2P audio and video streaming server, is vulnerable to a buffer overflow in […]

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AlmaLinux 8 — librdkafka — vulnerability — patch and remediation guide — diagnosis and fix on AlmaLinux 8

AlmaLinux 8 — librdkafka — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: AlmaLinux 8 📖 ~4 min read  •  Source: AlmaLinux ALSA ALBA-2022:1827 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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FreeBSD 13 — php4-nms — multiple vulnerabilities (20 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 13

FreeBSD 13 — php4-nms — multiple vulnerabilities (20 CVEs) — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 13 November 2021 Affected versions: FreeBSD 13 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: php — multiple vulnerabilities Related CVEs: CVE-2004-0594 CVE-2004-0595 CVE-2004-1019 CVE-2004-1065 CVE-2005-0596 CVE-2006-4481 CVE-2006-4482 CVE-2006-4483  +12 more Upstream summary: The PHP development team reports: Security Enhancements and Fixes in PHP 5.2.2 […]

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