Boot Startup

Common Problems 116927

Ubuntu 22.04 snapd Mount Timeout Breaks Snap Application Startup

🟡 Medium   ⏱ 5–30 min  Last verified: 10 September 2023 📖 ~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
Debian 12 — coreboot — vulnerability — patch and remediation guide — diagnosis and fix on Debian 12

Debian 12 — coreboot — vulnerability — patch and remediation guide

🟢 Low   ⏱ 5–15 min  Last verified: 10 September 2023 Affected versions: Debian 12 (bookworm) 📖 ~4 min read  •  Source: Debian Security Tracker Related CVEs: CVE-2022-29264 Upstream summary: An issue was discovered in coreboot 4.13 through 4.16. On APs, arbitrary code execution in SMM may occur. Table of contents Symptom & Impact Environment […]

Read more
How to Configure Xdebug for PHP on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure Xdebug for PHP on Oracle Linux 9

Introduction How to Configure Xdebug for PHP on Oracle Linux 9 on Oracle Linux 9 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 configuration […]

Read more
How to Set Up Snapshots with LVM on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Set Up Snapshots with LVM on Debian 12

Introduction Deploying set up snapshots with lvm on debian 12 on a Debian 12 Bookworm machine is straightforward thanks to Debian’s policy-compliant packaging. Unlike rpm-based distributions, Debian stores configuration helpers in /etc/default/, uses update-rc.d for older init scripts, and provides dpkg-reconfigure for interactive package configuration. This tutorial stays on the systemd path throughout. Prerequisites Ensure […]

Read more
How to Configure TeamCity Build Agent on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Configure TeamCity Build Agent on Oracle Linux 9

Introduction This tutorial demonstrates how to Configure TeamCity Build Agent on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the […]

Read more
How to Install Amanda Network Backup on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Install Amanda Network Backup on Debian 12

Introduction How to Install Amanda Network Backup on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

Read more
Common Problems 114504

Persistent Journals Not Saved Across Reboots

🟡 Medium   ⏱ 5–30 min  Last verified: 8 September 2023 📖 ~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 Set Up Varnish Cache on Oracle Linux 9 — step-by-step Oracle Linux 9 tutorial on Progressive Robot

How to Set Up Varnish Cache on Oracle Linux 9

Introduction This tutorial demonstrates how to Set Up Varnish Cache on Oracle Linux 9 on Oracle Linux 9. 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 9 system with the […]

Read more
How to Configure auditd System Auditing on Debian 12 — step-by-step Debian 12 tutorial on Progressive Robot

How to Configure auditd System Auditing on Debian 12

Introduction How to Configure auditd System Auditing on Debian 12 is a fundamental operation for any administrator maintaining a Debian 12 Bookworm server. Debian 12 Bookworm ships with the Linux 6.12 kernel, updated toolchains, and a fully refreshed package archive — meaning version numbers, configuration file paths, and some dependency chains differ from Debian 12. […]

Read more
How to Set Up a Private Container Registry on CentOS Stream 9 — step-by-step CentOS Stream 9 tutorial on Progressive Robot

How to Set Up a Private Container Registry on CentOS Stream 9

Introduction CentOS Stream 9 ships with a stable, security-hardened base that makes deploying set up a private container registry on centos stream 9 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up a Private Container Registry on CentOS Stream 9, including dnf module streams where applicable, systemd unit management, […]

Read more
CHAT