Backup Recovery

Common Problems 112504

Windows Server 2019 — UPN suffix routing fails for users in trusted forest — Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 27 February 2021 Affected versions: Windows Server 2019 📖 ~2 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 […]

Read more
How to Set Up Buildkite Agent on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Set Up Buildkite Agent on Oracle Linux 8

Introduction Setting up set up buildkite agent on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Set Up Buildkite Agent on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to […]

Read more
Common Problems 118989

Ubuntu 14.04 LTS – NTP sync fails and system clock drifts

🟡 Medium   ⏱ 5–30 min  Last verified: 26 February 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

Read more
Common Problems 117901

Ubuntu 18.04 Wi-Fi Adapter Not Detected After Reboot

🟡 Medium   ⏱ 5–30 min  Last verified: 26 February 2021 📖 ~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 […]

Read more
How to Configure ArgoCD on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Configure ArgoCD on Oracle Linux 8

Introduction Setting up configure argocd on oracle linux 8 on a Oracle Linux 8 server is a common task for system administrators, DevOps engineers, and site reliability engineers. This guide explains how to Configure ArgoCD on Oracle Linux 8, with all the commands you need, the SELinux and firewalld considerations to keep in mind, and […]

Read more
How to Use AIX Backup and Restore (tar, cpio) on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Use AIX Backup and Restore (tar, cpio) 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 use aix backup and restore (tar, cpio) on ibm […]

Read more
Common Problems 119123

Ubuntu 14.04 LTS pip SSL errors when installing Python packages

🟡 Medium   ⏱ 5–30 min  Last verified: 25 February 2021 📖 ~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 […]

Read more
openSUSE Tumbleweed — storeBackup — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Tumbleweed

openSUSE Tumbleweed — storeBackup — vulnerability — patch and remediation guide

🔴 Critical   ⏱ 15–90 min  Last verified: 25 May 2026 Affected versions: openSUSE Tumbleweed 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2020:0119-1 (see also SUSE bugzilla) Related CVEs: CVE-2020-7040 Upstream summary: storeBackup.pl in storeBackup through 3.5 relies on the /tmp/storeBackup.lock pathname, which allows symlink attacks that possibly lead to privilege escalation. (Local users […]

Read more
How to Install PostgreSQL on Oracle Linux 8 — step-by-step Oracle Linux 8 tutorial on Progressive Robot

How to Install PostgreSQL on Oracle Linux 8

Introduction This tutorial demonstrates how to Install PostgreSQL on Oracle Linux 8 on Oracle Linux 8. It is written for administrators who want a repeatable, well-explained walkthrough that goes beyond a bare command list and explains each configuration choice. Every command is tested against a freshly registered Oracle Linux 8 system with the default AppStream […]

Read more
Common Problems 119147

Ubuntu 14.04 LTS – swap partition not activating at boot

🟡 Medium   ⏱ 5–30 min  Last verified: 24 February 2021 Affected versions: Ubuntu 14.04 LTS Ubuntu 14.04 Ubuntu 14.04.6 📖 ~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 […]

Read more
CHAT