Firewall

Common Problems 116934

Ubuntu 22.04 LTS UFW Blocks SSH After Firewall Enable

🟡 Medium   ⏱ 5–30 min  Last verified: 16 November 2022 📖 ~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 StrongSwan IKEv2 VPN on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Set Up StrongSwan IKEv2 VPN on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to set up strongswan ikev2 vpn on IBM AIX 7.3 […]

Read more
How to Configure Windows Server 2019 VXLAN — step-by-step Windows Server 2019 tutorial on Progressive Robot

How to Configure Windows Server 2019 VXLAN

How to Configure Windows Server 2019 VXLAN Virtual Extensible LAN (VXLAN) is a network virtualization technology that encapsulates Layer 2 Ethernet frames within UDP packets, allowing virtual networks to span across Layer 3 boundaries. VXLAN is a key component of Microsoft’s Software Defined Networking (SDN) stack in Windows Server 2019, enabling massive scalability beyond the […]

Read more
How to Use AIX Object Data Manager (ODM) on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Use AIX Object Data Manager (ODM) on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to use aix object data manager (odm) on IBM AIX […]

Read more
How to Create and Manage LPARs on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Create and Manage LPARs on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to create and manage lpars on IBM AIX 7.3 with […]

Read more
How to Apply iFix Patches on IBM AIX 7.2 — step-by-step IBM AIX 7.2 tutorial on Progressive Robot

How to Apply iFix Patches 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 apply ifix patches on ibm aix 7.2 on IBM […]

Read more
How to Set Up Active Directory Federation Services (AD FS) on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up Active Directory Federation Services (AD FS) on Windows Server 2022

What Is Server Manager? Server Manager is the primary graphical management console built into Windows Server 2022. It provides a single pane of glass for installing and removing roles and features, managing multiple remote servers, reviewing event log alerts, monitoring service status, and running the Best Practices Analyzer. It opens automatically after login by default […]

Read more
How to Configure DRBD-Style Replication on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Configure DRBD-Style Replication on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to configure drbd-style replication on IBM AIX 7.3 with practical […]

Read more
How to Manage AIX Subsystems with SRC on IBM AIX 7.3 — step-by-step IBM AIX 7.3 tutorial on Progressive Robot

How to Manage AIX Subsystems with SRC on IBM AIX 7.3

Introduction IBM AIX 7.3 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 7.3 introduces enhanced virtualization, security hardening, and cloud integration features. This guide covers how to manage aix subsystems with src on IBM AIX 7.3 […]

Read more
How to Set Up DHCP Failover on Windows Server 2022 — step-by-step Windows Server 2022 tutorial on Progressive Robot

How to Set Up DHCP Failover on Windows Server 2022

How to Install PostgreSQL on Windows Server 2022 PostgreSQL is one of the most powerful open-source relational database management systems available. Installing it on Windows Server 2022 provides a robust, enterprise-grade database platform suitable for production workloads. This guide walks through the complete installation process using the EnterpriseDB installer, configuring the service, securing the instance, […]

Read more
CHAT