Package Management

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

Oracle Linux 8 — thunderbird — vulnerability — patch and remediation guide (ELSA-2019-4195)

🟠 High   ⏱ 15–60 min  Last verified: 1 October 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2019-4195 Related CVEs: CVE-2019-17011 CVE-2019-17012 CVE-2019-17005 CVE-2019-17010 CVE-2019-17008 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative […]

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How to Install and Use Podman with systemd Socket Activation on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Install and Use Podman with systemd Socket Activation on RHEL 7

How to Install and Use Podman with systemd Socket Activation on RHEL 7 Podman is a daemonless container engine developed by Red Hat that provides a Docker-compatible CLI while operating without a central privileged daemon. On RHEL 7, Podman integrates deeply with systemd, enabling containers to be managed as first-class system services, started on-demand via […]

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Oracle Linux 8 — gnutls security, bug fix, and — enhancement update — new behaviour and fixes — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — gnutls security, bug fix, and — enhancement update — new behaviour and fixes (ELSA-2025-17415)

🟡 Medium   ⏱ 10–30 min  Last verified: 30 September 2020 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2025-17415 Related CVEs: CVE-2025-32990 CVE-2025-6395 CVE-2025-32988 Table of contents Symptom & Impact Environment & Reproduction Root Cause Analysis Quick Triage Step-by-Step Diagnosis Solution – Primary Fix Solution – Alternative Approaches Verification […]

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Common Problems 118025

Ubuntu 18.04 LTS – snapd services fail and snap apps do not launch

🟡 Medium   ⏱ 5–30 min  Last verified: 30 September 2020 Affected versions: Ubuntu 18.04 LTS Ubuntu 18.04 Ubuntu 18.04.6 📖 ~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 […]

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How to Set Up Cockpit Web Console on SLES 12 — step-by-step SUSE Linux Enterprise 12 tutorial on Progressive Robot

How to Set Up Cockpit Web Console on SLES 12

Introduction This tutorial covers How to Set Up Cockpit Web Console 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: […]

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Common Problems 115574

Kernel Updated but Old Kernel Boots by Default

🟡 Medium   ⏱ 5–30 min  Last verified: 30 September 2020 📖 ~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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openSUSE Tumbleweed — texlive-devel — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — texlive-devel — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0804-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-8017 Upstream summary: A Race Condition Enabling Link Following vulnerability in the cron job shipped with texlive-filesystem of SUSE Linux Enterprise Module for Desktop Applications […]

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How to Configure Resource Limits in Kubernetes on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure Resource Limits in Kubernetes on Oracle Linux 8

Introduction How to Configure Resource Limits in Kubernetes on Oracle Linux 8 on Oracle Linux 8 provides administrators with a robust, enterprise-ready workflow that integrates cleanly with systemd, SELinux, firewalld, and the modern AppStream module system. In this tutorial we will walk through every step required, from package installation to verification, so that the resulting […]

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Amazon Linux 2 — exempi — multiple vulnerabilities (6 CVEs) — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — exempi — multiple vulnerabilities (6 CVEs) — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2023-2260 Related CVEs: CVE-2020-18651 CVE-2017-18233 CVE-2017-18234 CVE-2017-18236 CVE-2017-18238 CVE-2018-7730 Upstream summary: Buffer Overflow vulnerability in function ID3_Support::ID3v2Frame::getFrameValue in exempi 2.5.0 and earlier allows remote attackers to cause a denial of […]

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Amazon Linux 2 — velocity — vulnerability — patch and remediation guide — diagnosis and fix on Amazon Linux 2

Amazon Linux 2 — velocity — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: Amazon Linux 2 📖 ~4 min read  •  Source: Amazon Linux advisory ALAS2-2021-1690 Related CVEs: CVE-2020-13936 Upstream summary: A flaw was found in velocity. An attacker, able to modify Velocity templates, may execute arbitrary Java code or run arbitrary system commands with […]

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CHAT