September 2019 - Page 58 of 66

How to Install Rust with rustup on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Install Rust with rustup on Debian 9

Introduction This guide explains how to Install Rust with rustup on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

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openSUSE Tumbleweed — libHX28 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — libHX28 — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory SUSE-SR:2010:019 (see also SUSE bugzilla) Related CVEs: CVE-2010-2947 Upstream summary: Heap-based buffer overflow in the HX_split function in string.c in libHX before 3.6 allows remote attackers to execute arbitrary code or cause […]

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Common Problems 117632

GRUB Rescue After Disk UUID Change

🔴 Critical   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: 20.04 📖 ~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 […]

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Arch Linux — python-mysql-connector — vulnerability — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — python-mysql-connector — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Arch Linux (rolling release) 📖 ~4 min read  •  Source: Arch ASA ASA-201902-21 Related CVEs: CVE-2019-2435 Upstream summary: Type: authentication bypass. Status: Fixed. Affected: 8.0.13-1. Fixed in: 8.0.15-1. Group: AVG-898. Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis […]

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Common Problems 115632

RHEL 7 firewalld Direct Rules Lost After Reload

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 Affected versions: RHEL 7 📖 ~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 Configure Prometheus Alerting Rules on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Configure Prometheus Alerting Rules on SLES 12

Introduction This tutorial covers How to Configure Prometheus Alerting Rules 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 — Install Prometheus zypper install -y golang-github-prometheus-prometheus Step 2 […]

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Arch Linux — live-media — multiple vulnerabilities (2 CVEs) — patch and remediation guide — diagnosis and fix on Arch Linux

Arch Linux — live-media — multiple vulnerabilities (2 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-201905-17 Related CVEs: CVE-2019-7733 CVE-2019-7314 Upstream summary: Type: multiple issues. Status: Fixed. Affected: 2018.10.17-1. Fixed in: 2019.05.12-1. Group: AVG-870. Table of contents Symptom & Impact Environment & Reproduction Root Cause […]

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FreeBSD 12 — py39-psutil — vulnerability — patch and remediation guide — diagnosis and fix on FreeBSD 12

FreeBSD 12 — py39-psutil — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 25 May 2026 Affected versions: FreeBSD 12 📖 ~4 min read  •  Source: FreeBSD VuXML VuXML topic: py-psutil — double free vulnerability Related CVEs: CVE-2019-18874 Upstream summary: ret2libc reports: psutil (aka python-psutil) through 5.6.5 can have a double free. This occurs because of refcount mishandling within a […]

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Common Problems 115081

RHEL 8 Cockpit Web Console Unreachable After Firewall Policy Change

🟡 Medium   ⏱ 5–30 min  Last verified: 20 May 2026 📖 ~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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