DNS

Common Problems 115980

Ubuntu 26.04 LTS snapd Service Fails to Start

🟡 Medium   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Common Problems 115890

Ubuntu 26.04 LTS – apt update fails because dpkg lock is held by another process

🟠 High   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Ubuntu 26.04 LTS Ubuntu 26.04 Ubuntu 26.04.1 📖 ~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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Common Problems 116030

Ubuntu 26.04 LTS GNOME Login Loop After Desktop Update

🟠 High   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Common Problems 114100

RHEL 10 – fapolicyd blocks in-house binaries after policy reload – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: RHEL 10.0 RHEL 10.1 📖 ~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 […]

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Common Problems 124132

Oracle Linux 10 – tuned profile not applied after reboot causing performance regression – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 8 May 2026 Affected versions: Oracle Linux 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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Common Problems 115963

Out of Memory and Freeze Events on Ubuntu 26.04 LTS

🟠 High   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: 26.04 📖 ~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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Common Problems 115897

apt update fails with NO_PUBKEY after release upgrade

🟠 High   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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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Common Problems 115922

Ubuntu 26.04 LTS – Snap Store cannot connect or refresh snaps – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 7 May 2026 Affected versions: Ubuntu 26.04 LTS 📖 ~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 and Configure FreeIPA on RHEL 9 — step-by-step RHEL 9 tutorial on Progressive Robot

How to Install and Configure FreeIPA on RHEL 9

FreeIPA is Red Hat’s integrated Identity, Policy, and Audit solution that bundles a 389 Directory Server (LDAP), MIT Kerberos KDC, a PKI based on Dogtag, and an NTP server behind a unified management interface. It is the upstream project for Red Hat Identity Management (IdM) and is designed to be the authoritative identity source for […]

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How to Install PHP 8.3 with PHP-FPM on FreeBSD 15 — step-by-step FreeBSD 15 tutorial on Progressive Robot

How to Install PHP 8.3 with PHP-FPM on FreeBSD 15

Introduction FreeBSD 15 is a UNIX-derived operating system renowned for its network stack performance, ZFS integration, and Jail isolation primitives. Setting up install php 8.3 with php-fpm on FreeBSD 15 follows the rc.conf/service(8) paradigm rather than systemd, which means enabling a service and configuring its startup options are done differently from any Linux distribution. This […]

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