Package Management

Common Problems 121599

Debian 9 Disk Full in /var Causes Service Outages

🔴 Critical   ⏱ 5–30 min  Last verified: 4 September 2020 Affected versions: Debian 9 📖 ~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 & […]

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How to Install Node.js on FreeBSD 12 — step-by-step FreeBSD 12 tutorial on Progressive Robot

How to Install Node.js on FreeBSD 12

Introduction This guide explains how to Install Node.js on FreeBSD 12 on FreeBSD 12. FreeBSD uses the pkg(8) binary package manager, rc.conf(5) for service startup configuration, and pf(4) as its primary packet filter. There is no SELinux or AppArmor — instead, FreeBSD provides the MAC (Mandatory Access Control) framework and Capsicum for fine-grained privilege separation. […]

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How to Create and Manage File Systems on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Create and Manage File Systems on IBM AIX 7.2

Introduction IBM AIX 7.2 is the latest release of IBM’s enterprise-grade UNIX operating system, running on IBM Power Systems hardware. Known for its reliability, security, and performance in mission-critical environments, AIX 7.2 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to create and manage file systems on ibm aix 7.2 […]

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How to Configure Container Networking with Flannel on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure Container Networking with Flannel on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up configure container networking with flannel on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each step carefully […]

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Ubuntu 18.04 — slirp — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Ubuntu 18.04

Ubuntu 18.04 — slirp — multiple vulnerabilities (2 CVEs) — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 3 September 2020 Affected versions: Ubuntu 18.04 (bionic) 📖 ~4 min read  •  Source: Ubuntu Security Notice USN-4632-1 Related CVEs: CVE-2020-7039 CVE-2020-8608 Upstream summary: It was discovered that the SLiRP networking implementation of the QEMU emulator did not properly manage memory under certain circumstances. An attacker could […]

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How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up Horizontal Pod Autoscaling in Kubernetes on Debian 10

Introduction Debian 10 Buster is built around the ethos of stability and free software. Setting up set up horizontal pod autoscaling in kubernetes on debian 10 on Buster leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Buster freeze. Follow each […]

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Oracle Linux 8 — git — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — git — vulnerability — patch and remediation guide (ELSA-2020-1980)

🟠 High   ⏱ 15–60 min  Last verified: 3 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2020-1980 Related CVEs: CVE-2020-11008 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 Install GitLab CE on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install GitLab CE on RHEL 7

How to Install GitLab CE on RHEL 7 GitLab Community Edition is a complete DevOps platform that bundles source code management, issue tracking, CI/CD pipelines, container registry, and wiki functionality into a single self-hosted application. Installing GitLab CE on Red Hat Enterprise Linux 7 is straightforward using the official Omnibus package, which packages all dependencies […]

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FreeBSD 12 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — spamassassin — multiple vulnerabilities (9 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 2 September 2020 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: spamassassin — Malicious rule configuration (.cf) files can be configured to run system commands Related CVEs: CVE-2016-1238 CVE-2017-15705 CVE-2018-11780 CVE-2018-11781 CVE-2018-11805 CVE-2019-12420 CVE-2020-1930 CVE-2020-1931  +1 more Upstream summary: The Apache […]

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Common Problems 121001

Debian 10 – initramfs BusyBox Drop on Boot – Root Filesystem Recovery

🔴 Critical   ⏱ 5–30 min  Last verified: 2 September 2020 Affected versions: Debian 10 📖 ~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 & […]

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