Linux

How to Install Kubernetes with kubeadm on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Install Kubernetes with kubeadm on CentOS Stream 10

Introduction This tutorial demonstrates how to Install Kubernetes with kubeadm on CentOS Stream 10 on CentOS Stream 10. 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 CentOS Stream 10 system with the […]

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Common Problems 120189

Debian 12: Logrotate misconfiguration truncates active logs

🟠 High   ⏱ 5–30 min  Last verified: 9 January 2025 Affected versions: Debian 12 📖 ~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 Set Up Magento on CentOS Stream 10 — step-by-step CentOS Stream 10 tutorial on Progressive Robot

How to Set Up Magento on CentOS Stream 10

Introduction CentOS Stream 10 ships with a stable, security-hardened base that makes deploying set up magento on centos stream 10 both straightforward and auditable. This tutorial covers the complete procedure for how to Set Up Magento on CentOS Stream 10, including dnf module streams where applicable, systemd unit management, and the firewalld rules required for […]

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Common Problems 116506

Ubuntu 24.04 LTS – Boot drops to initramfs prompt – Fix & Prevention

🔴 Critical   ⏱ 5–30 min  Last verified: 9 January 2025 Affected versions: Ubuntu 24.04 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 116466

Ubuntu 24.04 LTS – Snap applications fail to start after refresh – Fix & Prevention

🟡 Medium   ⏱ 5–30 min  Last verified: 9 January 2025 Affected versions: Ubuntu 24.04 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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Alpine Linux 3.19 — perl-email-address — vulnerability — patch and remediation guide — diagnosis and fix on Alpine Linux 3.19

Alpine Linux 3.19 — perl-email-address — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: Alpine Linux 3.19 / fixed in 1.912-r0 📖 ~4 min read  •  Source: Alpine secdb entry — perl-email-address 1.912-r0 Related CVEs: CVE-2018-12558 Upstream summary: Alpine main repository for vv3.19 ships perl-email-address 1.912-r0 which addresses CVE-2018-12558. Table of contents Symptom & Impact Environment […]

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openSUSE Leap 15.6 — libhtp2 — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.6

openSUSE Leap 15.6 — libhtp2 — vulnerability — patch and remediation guide

🟠 High   ⏱ 15–60 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.6 📖 ~4 min read  •  Source: SUSE advisory openSUSE-SU-2024:0150-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-23837 Upstream summary: LibHTP is a security-aware parser for the HTTP protocol. Crafted traffic can cause excessive processing time of HTTP headers, leading to […]

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openSUSE Leap 15.5 — libvte — vulnerability — patch and remediation guide — diagnosis and fix on openSUSE Leap 15.5

openSUSE Leap 15.5 — libvte — vulnerability — patch and remediation guide

🟡 Medium   ⏱ 10–30 min  Last verified: 25 May 2026 Affected versions: openSUSE Leap 15.5 📖 ~4 min read  •  Source: SUSE advisory SUSE-SU-2024:2151-1 (see also SUSE bugzilla) Related CVEs: CVE-2024-37535 Upstream summary: GNOME VTE before 0.76.3 allows an attacker to cause a denial of service (memory consumption) via a window resize escape sequence, […]

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Oracle Linux 8 — virt:kvm_utils1 — vulnerability — patch and remediation guide — diagnosis and fix on Oracle Linux 8

Oracle Linux 8 — virt:kvm_utils1 — vulnerability — patch and remediation guide (ELSA-2024-12435)

🟡 Medium   ⏱ 10–30 min  Last verified: 9 January 2025 Affected versions: Oracle Linux 8 📖 ~4 min read  •  Source: ELSA advisory ELSA-2024-12435 Related CVEs: CVE-2023-2700 CVE-2024-1441 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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How To Automate Initial Server Setup of Multiple Ubuntu 22.04 Servers Using Ansible — step-by-step Linux tutorial on Progressive Robot

How To Automate Initial Server Setup of Multiple Ubuntu 22.04 Servers Using Ansible

Ansible is an open source software tool used to automate the provisioning, configuration management, and deployment of servers and applications. If you want to automate tasks on one or more servers or run a distributed application across multiple servers, you can use Ansible. In this tutorial, you’ll use Ansible to automate the initial server setup of multiple Ubuntu 22.04 servers.

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