Cloud Integration

Common Problems 117975

Ubuntu 18.04 LTS – cloud-init keeps overwriting network config

🟡 Medium   ⏱ 5–30 min  Last verified: 12 December 2019 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 […]

Read more
Common Problems 118082

Ubuntu 18.04 LTS UFW rules block application despite allow entry

🟡 Medium   ⏱ 5–30 min  Last verified: 11 December 2019 📖 ~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 Use AIX CDE Desktop on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use AIX CDE Desktop on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix cde desktop on ibm aix 7.1 on […]

Read more
How to Configure collectd on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure collectd 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 configure collectd on ibm aix 7.2 on IBM AIX […]

Read more
How to Configure NTP Time Synchronization on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure NTP Time Synchronization on Debian 9

Introduction This guide explains how to Configure NTP Time Synchronization on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

Read more
How to Configure iptables Packet Filtering on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Configure iptables Packet Filtering on Debian 9

Introduction This guide explains how to Configure iptables Packet Filtering on Debian 9 on Debian 9 Stretch. Debian Stretch uses systemd for service management, nftables as the underlying packet filter (with ufw or iptables front-ends still available), and AppArmor for mandatory access control. Every command is designed for a minimal Debian 9 install with the […]

Read more
Initial Server Setup with RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

Initial Server Setup with RHEL 7

Initial Server Setup with RHEL 7 Setting up a fresh Red Hat Enterprise Linux 7 server correctly from the start is one of the most important steps you can take to ensure long-term security and stability. Whether you have just provisioned a bare-metal machine or a cloud instance, this guide walks you through every essential […]

Read more
How to Use HMC to Manage Power Systems on IBM AIX 7.1 — step-by-step IBM AIX 7.1 tutorial on Progressive Robot

How to Use HMC to Manage Power Systems on IBM AIX 7.1

Introduction IBM AIX 7.1 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 7.1 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use hmc to manage power systems on ibm aix […]

Read more
How to Configure Device Drivers on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Configure Device Drivers 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 configure device drivers on ibm aix 7.2 on IBM […]

Read more
How to Set Up CouchDB on Debian 9 — step-by-step Debian 9 tutorial on Progressive Robot

How to Set Up CouchDB on Debian 9

Introduction Debian 9 Stretch is built around the ethos of stability and free software. Setting up set up couchdb on debian 9 on Stretch leverages the same proven Debian packaging system that powers millions of servers worldwide, while benefiting from the latest upstream releases included in the Stretch freeze. Follow each step carefully and the […]

Read more
CHAT