LeonX Blog

Ankara IT Blog

Explore decision-support content on managed services, virtualization, cybersecurity, cloud operations and corporate web performance in one place.

What will you find in the blog?

This page brings together our content on managed services, virtualization, cybersecurity, cloud operations and corporate web performance. You can use it to quickly browse practical guides, technical explanations and implementation-focused articles that support better decisions.

Business Continuity

Business Continuity

Content covering disaster recovery, continuity planning and critical service resilience.

Business Management

Business Management Services

Guides built around IT governance, inventory, licensing, process management and business-critical operational decisions.

Cloud

Cloud Solutions

Articles supporting Azure, Microsoft 365, cloud cost optimization and hybrid operations decisions.

cyber security

cyber security

This category groups together related operational and strategic content around the same decision area.

Cybersecurity

Cybersecurity

A content cluster focused on identity security, email security, hardening, risk reduction and defensive operations.

Hardware & Software

Hardware and Virtualization

Technical content covering servers, storage, VMware, vSAN, datastores and infrastructure architecture decisions.

Information Security

Information Security

This category groups together related operational and strategic content around the same decision area.

KVKK Compliance

KVKK Compliance

This category groups together related operational and strategic content around the same decision area.

Legal Compliance

Legal Compliance

This category groups together related operational and strategic content around the same decision area.

Managed Services

Managed Services

Blog content around SLAs, monitoring, patch management, operational standardization and outsourced IT delivery.

Network Security

Network Security

This category groups together related operational and strategic content around the same decision area.

Server Management

Server Management

This category groups together related operational and strategic content around the same decision area.

System Administration

System Administration

This category groups together related operational and strategic content around the same decision area.

Virtualization

Virtualization

This category groups together related operational and strategic content around the same decision area.

Web Services

Web Services

Content focused on Core Web Vitals, technical SEO, landing page strategy and corporate website modernization.

Topic-based blog filtering

The search and category filters below improve content discovery only; this landing remains the primary indexable blog list page for SEO.

What Is a FortiGate Firewall? NGFW Features and Use Cases (2026)
Hardware & Software
2026-07-23
12 min read

What Is a FortiGate Firewall? NGFW Features and Use Cases (2026)

What is a FortiGate firewall, how does it work, and which NGFW features matter? A practical guide to policy, VPN, UTM, HA, and enterprise use cases.

Read Article
What Is Fortinet and What Does It Do? Enterprise Guide (2026)
Hardware & Software
2026-07-22
12 min read

What Is Fortinet and What Does It Do? Enterprise Guide (2026)

What is Fortinet, and what are FortiGate and Security Fabric used for? A clear guide to NGFW, VPN, IPS, and enterprise network security use cases.

Read Article
How to Fix a Very Slow Dell Server Disk Rebuild (2026)
Hardware & Software
2026-07-21
13 min read

How to Fix a Very Slow Dell Server Disk Rebuild (2026)

A technical guide to speeding up slow Dell PowerEdge PERC RAID disk rebuilds by tuning rebuild rate, reducing I/O load, matching disk class, and checking firmware.

Read Article
How to Fix Dell Server BIOS Boot Loop (2026)
Hardware & Software
2026-07-20
13 min read

How to Fix Dell Server BIOS Boot Loop (2026)

A step-by-step troubleshooting guide for Dell PowerEdge BIOS boot loop (continuous reboot) issues, covering CMOS/NVRAM clear, bad boot entries, firmware recovery, and PCIe isolation.

Read Article
How to Fix Dell RAID Controller Not Detecting Disks (2026)
Hardware & Software
2026-07-19
13 min read

How to Fix Dell RAID Controller Not Detecting Disks (2026)

A step-by-step troubleshooting guide for Dell PowerEdge PERC RAID controllers that fail to detect disks, covering backplane/cabling checks, RAID vs HBA mode, foreign config import, and firmware.

Read Article
Dell PERC RAID Controller Disk Foreign State Issue and Solution
Server Management
2026-07-18
8 min read

Dell PERC RAID Controller Disk Foreign State Issue and Solution

We examine the causes of the PERC RAID Controller Disk Foreign State error frequently encountered on Dell PowerEdge servers, and how to resolve this issue step-by-step without data loss.

Read Article
How to Fix Dell PowerEdge Server Boot Failure (2026)
Hardware & Software
2026-07-17
13 min read

How to Fix Dell PowerEdge Server Boot Failure (2026)

A step-by-step troubleshooting guide for Dell PowerEdge Boot Failure errors, covering POST codes, UEFI/BIOS boot mode mismatches, RAID virtual disk status, iDRAC logs, and recovery procedures.

Read Article
How to Fix Dell Server PSU Failure Errors (2026)
Hardware & Software
2026-07-16
12 min read

How to Fix Dell Server PSU Failure Errors (2026)

A practical troubleshooting guide for Dell PowerEdge PSU Failure alerts, covering iDRAC diagnostics, LED indicators, hot-swap power supply replacement, and redundant power validation.

Read Article
How to Fix FortiGate Firewall No Internet Access (2026)
Hardware & Software
2026-07-15
12 min read

How to Fix FortiGate Firewall No Internet Access (2026)

A step-by-step technical guide to troubleshooting internet connectivity issues behind FortiGate firewalls, covering NAT policies, Static Routes, DNS verification, and CLI diagnostics.

Read Article
How to Fix Dell Server Stuck at Initializing Firmware (2026)
Hardware & Software
2026-07-14
13 min read

How to Fix Dell Server Stuck at Initializing Firmware (2026)

A comprehensive guide on troubleshooting the 'Initializing Firmware' boot hang on Dell PowerEdge servers, covering iDRAC resets, PCIe card isolation, NVRAM clearing, and minimum to POST diagnostics.

Read Article
How to Resolve Dell Server Disk Failure Errors (2026)
Hardware & Software
2026-07-13
12 min read

How to Resolve Dell Server Disk Failure Errors (2026)

A comprehensive guide on diagnosing and resolving physical disk failures on Dell PowerEdge servers, covering iDRAC9 telemetry, hot-swap physical replacement, and auto-rebuild.

Read Article
How to Fix Dell Server No Boot Device Found Error (2026)
Hardware & Software
2026-07-12
12 min read

How to Fix Dell Server No Boot Device Found Error (2026)

A step-by-step troubleshooting guide for the 'No Boot Device Found' error on Dell PowerEdge servers, covering RAID controller configuration, UEFI/BIOS boot mode mismatches, disk failure, and physical cabling.

Read Article
VMware vSphere Hardening Guide: Detailed Security and Hardening Guide
Virtualization
2026-07-11
9 min read

VMware vSphere Hardening Guide: Detailed Security and Hardening Guide

We examine how to harden ESXi, vCenter, and virtual machines step-by-step based on the VMware vSphere Hardening Guide to ensure the security of corporate virtualization infrastructures.

Read Article
Common Mistakes in Designing 5651 Compliant Network Architecture
Legal Compliance
2026-07-10
9 min read

Common Mistakes in Designing 5651 Compliant Network Architecture

We examine the most common technical and architectural mistakes made when designing network infrastructure to ensure compliance with Law No. 5651, their cybersecurity risks, and correct solutions.

Read Article
VMware Permanent Device Loss (PDL) Error and Troubleshooting Guide
Virtualization
2026-07-09
9 min read

VMware Permanent Device Loss (PDL) Error and Troubleshooting Guide

We examine the causes and resolution methods of the Permanent Device Loss (PDL) error, a frequently encountered storage issue in VMware vSphere ESXi environments.

Read Article
What Causes FortiGate High CPU Usage? Troubleshooting Guide
Network Security
2026-07-08
9 min read

What Causes FortiGate High CPU Usage? Troubleshooting Guide

We examine the causes of high CPU usage (High CPU) on FortiGate firewalls, diagnostics steps using CLI commands, and step-by-step resolution methods.

Read Article
Dell Server KVKK Technical Measures Guide
KVKK Compliance
2026-07-07
9 min read

Dell Server KVKK Technical Measures Guide

We examine the technical measures required on Dell PowerEdge servers under the scope of KVKK personal data protection law, including encryption, access control, and audit steps.

Read Article
How to Configure VMware Logging for ISO 27001? Step-by-Step Guide
Information Security
2026-07-06
9 min read

How to Configure VMware Logging for ISO 27001? Step-by-Step Guide

We examine the logging requirements and step-by-step configuration steps in VMware vSphere (ESXi and vCenter) environments for ISO 27001 information security standard compliance.

Read Article
What is 5651 Logging, and for Whom is it Mandatory? Detailed Guide
Legal Compliance
2026-07-05
8 min read

What is 5651 Logging, and for Whom is it Mandatory? Detailed Guide

We examine the obligations of keeping internet access logs and signing them with time stamps under the scope of Law No. 5651, along with who is covered and technical requirements.

Read Article
FortiGate IPSec VPN Deployment and Step-by-Step Configuration Guide
Network Security
2026-07-04
9 min read

FortiGate IPSec VPN Deployment and Step-by-Step Configuration Guide

We examine the installation, step-by-step configuration phases, security parameters, and troubleshooting methods of Site-to-Site IPSec VPN tunnels on FortiGate firewalls.

Read Article
Dell PowerEdge Drive Types: SAS vs SATA vs NVMe Comparison
Server Management
2026-07-03
8 min read

Dell PowerEdge Drive Types: SAS vs SATA vs NVMe Comparison

We examine the performance, reliability, and cost differences of SAS, SATA, and NVMe drive types used in Dell PowerEdge servers, along with correct drive selection criteria based on enterprise workloads.

Read Article
Obligations of Deletion, Destruction, and Anonymization in KVKK
Cybersecurity
2026-07-02
8 min read

Obligations of Deletion, Destruction, and Anonymization in KVKK

We examine the methods of deletion, destruction, and anonymization, which are mandatory when the purpose of processing personal data disappears or the retention period expires, along with technical requirements and legal processes.

Read Article
How to Manage KVKK and ISO 27001 Together? Integrated Compliance Guide
Information Security
2026-07-01
9 min read

How to Manage KVKK and ISO 27001 Together? Integrated Compliance Guide

We examine the common and differing aspects of KVKK and ISO 27001 standards, how to integrate technical and legal measures, and how to manage them under a single framework.

Read Article
Camera Systems and Biometric Data Within the Scope of KVKK
Cybersecurity
2026-06-30
8 min read

Camera Systems and Biometric Data Within the Scope of KVKK

We examine the KVKK compliance processes, legal boundaries, and technical requirements of closed-circuit camera systems (CCTV) and biometric access control devices used for security in workplaces.

Read Article

Subscribe to Our Newsletter

Get the latest insights, trends, and expert advice delivered directly to your inbox. Join our community of IT professionals.

We respect your privacy. Unsubscribe at any time.