Kernel Drivers

How to Set Up Veeam Backup for Windows Server 2016 — step-by-step Windows Server 2016 tutorial on Progressive Robot

How to Set Up Veeam Backup for Windows Server 2016

How to Use Veeam Backup for Windows Server 2016 Veeam Backup and Replication is an industry-leading data protection platform that provides image-level backups, replication, and instant recovery for Windows Server 2016 and other platforms. Unlike Windows Server Backup, Veeam captures the full VM or physical machine state at the hypervisor or agent level, enabling near-zero […]

Read more
How to Configure SNMP Monitoring on RHEL 7 — step-by-step RHEL 7 tutorial on Progressive Robot

How to Configure SNMP Monitoring on RHEL 7

How to Configure SNMP Monitoring on RHEL 7 Simple Network Management Protocol (SNMP) is one of the most widely supported protocols for monitoring network devices, servers, storage appliances, and virtually any managed infrastructure component. Configuring SNMP on Red Hat Enterprise Linux 7 allows your monitoring platform — whether Zabbix, LibreNMS, Nagios, or Prometheus with the […]

Read more
Common Problems 117474

Ubuntu 20.04 LTS Initramfs BusyBox Emergency Shell on Boot

🟡 Medium   ⏱ 5–30 min  Last verified: 21 August 2020 📖 ~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 StrongSwan IPsec on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Configure StrongSwan IPsec on Debian 10

Introduction Deploying configure strongswan ipsec on debian 10 on a Debian 10 Buster 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 You will need […]

Read more
Common Problems 117601

Ubuntu 20.04 LTS – Nginx fails to start due to configuration syntax errors – Fix & Prevention

🟠 High   ⏱ 5–30 min  Last verified: 20 August 2020 Affected versions: Ubuntu 20.04 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 […]

Read more
How to Set Up SonarQube Code Analysis on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Set Up SonarQube Code Analysis on Debian 10

Introduction Deploying set up sonarqube code analysis on debian 10 on a Debian 10 Buster 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 You […]

Read more
How to Install and Use Deno on Debian 10 — step-by-step Debian 10 tutorial on Progressive Robot

How to Install and Use Deno on Debian 10

Introduction Deploying install and use deno on debian 10 on a Debian 10 Buster 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 You will […]

Read more
Common Problems 114912

RHEL 8 Boots Older Kernel After Successful Update

🟡 Medium   ⏱ 5–30 min  Last verified: 19 August 2020 Affected versions: 8.6 8.7 8.8 8.9 8.10 📖 ~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 […]

Read more
Common Problems 118410

Ubuntu 16.04 no sound output on speakers or headset

🟡 Medium   ⏱ 5–30 min  Last verified: 18 August 2020 📖 ~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 Hyper-V Switch Extensions on Windows Server 2012 R2 — step-by-step Windows Server 2012 R2 tutorial on Progressive Robot

How to Configure Hyper-V Switch Extensions on Windows Server 2012 R2

How to Configure Hyper-V Switch Extensions on Windows Server 2012 R2 Hyper-V Virtual Switch Extensions are plug-ins that extend the capabilities of the Hyper-V virtual switch. Extensions can inspect, modify, capture, and forward network packets as they traverse the virtual switch. They enable scenarios like network monitoring, deep packet inspection, firewall enforcement, and QoS policy […]

Read more
CHAT