The Swedish Sysadmin

Written guides generated from my video tutorials.

Aruba 6100 Switch Unboxing and First-Time Setup - The Swedish Sysadmin An unboxing and initial configuration guide for the HP Aruba 6100 switch, covering physical overview, console connection via USB-C, and first-time login setup.
Aruba 2530 Setup: From Box to Rack - The Swedish Sysadmin A comprehensive guide on setting up the Aruba 2530 switch, covering hardware overview, console connection, initial configuration, VLAN setup, firmware update, and rack mounting.
Complete Aruba 6000 CX Switch Setup Guide - The Swedish Sysadmin A complete walkthrough on setting up an Aruba 6000 CX switch, covering unboxing, console connection, initial configuration, VLAN setup, firmware updates, and rack mounting.
How to Factory Reset Aruba 505 Access Point - The Swedish Sysadmin A quick step-by-step guide on how to factory reset an Aruba 505 Access Point using the physical reset button method.
Back Up Aruba 6000 Switch via PowerShell - The Swedish Sysadmin A guide on how to back up and restore an Aruba 6000 switch configuration using PowerShell and SSH without external TFTP servers.
Essential Aruba OS-CX Troubleshooting Commands - The Swedish Sysadmin A guide to the most essential commands for diagnosing and troubleshooting Aruba OS-CX switches, covering system verification, interface status, VLANs, PoE, and connectivity tests.
How to Install Aruba AOS-CX Switch Simulator in GNS3 - The Swedish Sysadmin A step-by-step guide on how to import, install, and configure the Aruba AOS-CX Switch Simulator within GNS3, including setting up VLANs and troubleshooting interface states.
Configure Aruba Switch NTP and Ubuntu Chrony Server - The Swedish Sysadmin A step-by-step guide on configuring Network Time Protocol (NTP) on an Aruba switch and setting up a local NTP server using Chrony on Ubuntu.
Aruba CX VLANs, Access Ports & Trunks - The Swedish Sysadmin A complete guide to configuring VLANs, access ports, and trunk uplinks on Aruba CX switches, including GNS3 lab setup and verification steps.
Connect, Configure, Backup & Restore Switch - The Swedish Sysadmin A guide on how to connect to an Aruba switch via PuTTY, perform basic configurations, create a backup using session logging, and restore the configuration after a factory reset.
Change Background on Unactivated Windows 11 - The Swedish Sysadmin Learn a simple trick to change your desktop background on Windows 11 (including version 24H2) without activating the operating system.
How to Dual Boot Ubuntu and Windows 11 - The Swedish Sysadmin A comprehensive guide on how to install Ubuntu alongside Windows 11, covering bootable USB creation, BIOS settings, partitioning, and verifying the dual-boot configuration.
Factory Reset & Admin Password Reset for Aruba 6000 Series Switches - The Swedish Sysadmin Learn how to reset the admin password and factory reset an Aruba 6000 series switch via the Service OS, ensuring you can regain access even if you
Login Incorrect on Ubuntu Server 24.04 [SOLVED] - The Swedish Sysadmin Fix the
How to Fix Ping Timeout (ICMP) on Windows Server and Windows 11 - The Swedish Sysadmin A step-by-step guide to troubleshooting network connectivity issues on Windows Server 2025 and Windows 11 by configuring Network Profiles and enabling ICMP Echo Requests in the Windows Firewall.
How to Connect to FortiGate Firewall with Console Cable - The Swedish Sysadmin Learn how to establish a serial console connection to a FortiGate firewall using a USB-to-RJ45 cable and PuTTY for out-of-band management.
How to Factory Reset a FortiGate Firewall - The Swedish Sysadmin A step-by-step guide on how to factory reset a FortiGate firewall (specifically the 60E model) using both the physical reset button and the Command Line Interface (CLI).
How to Configure a FortiGate Firewall from Scratch - The Swedish Sysadmin A complete hands-on guide to configuring a FortiGate firewall, covering factory resets, SD-WAN, LACP, VLANs, Policies, Port Forwarding, and Traffic Shaping.
How to Reset FortiGate Firewall Password (New Method) - The Swedish Sysadmin Learn how to reset a lost admin password on FortiGate firewalls running FortiOS 7.2.4 or later using a configuration backup and factory reset.
How to Get a Forever Free Cloud VM on Oracle Cloud - The Swedish Sysadmin Learn how to sign up for Oracle Cloud Infrastructure (OCI) and set up a completely free, forever-free virtual machine running Ubuntu, perfect for small web apps and testing.
How to Install Windows Server 2025 Evaluation for Free - The Swedish Sysadmin A guide on how to download, install, and configure Windows Server 2025 Evaluation edition for free, including a tip on how to extend the 180-day trial period.
How to Get Internet in GNS3 (VMware Tutorial) - The Swedish Sysadmin A quick tutorial on configuring internet connectivity within GNS3 by mapping VMware Workstation Pro network adapters to the GNS3 Cloud node.
Why Greenshot is the Best Free Screenshot Software - The Swedish Sysadmin Discover why Greenshot is the ultimate open-source screenshot tool for Windows. Learn how to install it, use its powerful editor, and fix the Windows 11 Print Screen conflict.
3 Ways to Secure SSH on Linux (Ubuntu 24) - The Swedish Sysadmin Learn three easy methods to secure your Linux SSH server: changing the default port, configuring the UFW firewall, and installing Fail2Ban to prevent brute force attacks.
Building a Local Domain with Active Directory Domain Services (AD DS) - The Swedish Sysadmin Learn how to install Active Directory Domain Services on Windows Server 2025, configure DNS, and join a Windows 11 client to the new local domain.
How to Install and Configure OPNsense in VMware - The Swedish Sysadmin A comprehensive guide on installing OPNsense firewall in a virtual environment, configuring network interfaces, setting up LAN segments, and creating basic firewall rules.
How to Install Debian 12 (Bookworm) on VMware Workstation Pro - The Swedish Sysadmin A step-by-step guide on installing Debian 12 Bookworm on a virtual machine using VMware Workstation Pro, covering ISO download, VM creation, partitioning, and initial configuration.
GNS3 Installation Guide (2025) - The Swedish Sysadmin A complete 2025 guide on installing GNS3 and the GNS3 VM using VMware Workstation Pro, including troubleshooting Windows 11 virtualization issues.
How to Install and Configure pfSense in VMware Workstation - The Swedish Sysadmin A comprehensive guide on installing pfSense Community Edition in VMware Workstation Pro, configuring network interfaces, and setting up firewall rules for multiple LAN segments.
How to Download and Install PuTTY on Windows 11 - The Swedish Sysadmin A comprehensive guide on downloading, installing, and configuring the PuTTY SSH client on Windows 11, including setting up stored sessions for server connections.
Installing and Configuring a TFTP Server for Network Devices - The Swedish Sysadmin A comprehensive guide on setting up a Tftpd64/Tftpd32 server on Windows to transfer files from Linux servers and back up network device configurations like Aruba switches.
Install Ubuntu Server 24.04 LTS in Under 10 Minutes - The Swedish Sysadmin A quick guide on installing the latest Ubuntu Server 24.04 LTS on VMware Workstation, including setting a static IP address and initial server configuration.
How to Install and Use iPerf3 on pfSense, Ubuntu, and Windows - The Swedish Sysadmin Learn how to install and configure iPerf3 on pfSense, Ubuntu, and Windows Server to measure network bandwidth, troubleshoot throughput issues, and perform parallel stream testing.
Configuring LACP Link Aggregation between Aruba Switch and FortiGate Firewall - The Swedish Sysadmin A hands-on guide to setting up a Link Aggregation Group (LAG) using LACP between an Aruba 6000 switch and a FortiGate 60E firewall, including configuration steps and failover testing.
How to Install Linux Mint on an Old Laptop - The Swedish Sysadmin Learn how to revive an old laptop by installing Linux Mint. This guide covers downloading the ISO, creating a bootable USB with Etcher, and performing a full installation.
How to Install pfBlockerNG on pfSense (Ad Blocker) - The Swedish Sysadmin A complete guide on installing and configuring pfBlockerNG on pfSense to block ads network-wide, including custom domain blocking and DNS cache troubleshooting.
How to Automatically Back Up pfSense (Free) - The Swedish Sysadmin Learn how to configure Netgate
Top 5 PowerShell Commands for Network Troubleshooting - The Swedish Sysadmin A comprehensive guide to the most useful PowerShell commands for diagnosing and troubleshooting network issues, including Test-NetConnection, Netstat, and advanced Ping options.
Automate Windows Server Updates with PowerShell - The Swedish Sysadmin Learn how to create a PowerShell script to automatically download and install Windows and Microsoft updates, log the progress, and schedule the task on Windows Server 2025.
How to Rack Mount an APC UPS (SMT1500) - The Swedish Sysadmin A step-by-step guide on how to unbox, rail mount, and configure an APC SMT 1500VA 2U UPS in a server rack.
Raspberry Pi 5 Assembly and Setup - The Swedish Sysadmin A complete guide to unboxing, assembling, and setting up the Raspberry Pi 5 with Raspberry Pi OS, including SSH configuration and network connectivity.
Remove Ubuntu from Dual Boot with Windows 11 - The Swedish Sysadmin A step-by-step guide on how to safely remove an Ubuntu partition from a dual-boot setup, reclaim the disk space for Windows 11, and clean up the EFI bootloader.
Factory Reset & Initial Access for HP 1810 Switch - The Swedish Sysadmin A step-by-step guide on how to factory reset an HP ProCurve 1810 switch using hardware buttons and how to access the web interface via a static IP configuration.
Find Out What Restarted Your Windows Server - The Swedish Sysadmin Learn how to identify the cause of Windows Server restarts by simulating crashes with NotMyFault and analyzing Event Viewer logs.
Securely Transfer Files with SCP (Linux and Windows) - The Swedish Sysadmin A complete guide on how to use the SCP command to securely transfer files and folders between Windows and Linux machines, including troubleshooting tips.
How to Set Up SFTP on Windows Server 2025 - The Swedish Sysadmin A comprehensive guide on installing and configuring an SFTP server on Windows Server 2025 using OpenSSH, including user setup, firewall configuration, and security hardening.
SQL Server Backup & Restore: Full, Diff, and Transaction Logs - The Swedish Sysadmin A practical guide to understanding SQL Server backup strategies (Full, Differential, Transaction Log), including a hands-on disaster recovery scenario using SSMS.
Complete SQL Server Backup & Maintenance with Ola Hallengren - The Swedish Sysadmin A comprehensive guide on installing and scheduling Ola Hallengren
The Ultimate Beginner Guide to SQL Server - The Swedish Sysadmin A comprehensive beginner
How to Connect to an Aruba Access Point via SSH - The Swedish Sysadmin Learn how to factory reset an Aruba Access Point, obtain its IP address via DHCP, and connect via SSH using default credentials.
How to Set a Static IP on Ubuntu Server - The Swedish Sysadmin Learn how to change your Ubuntu Server 22.04 network configuration from DHCP to a Static IP address by editing the Netplan YAML file.
Linux Mint Terminal Won't Open (VMware Bug Fix) - The Swedish Sysadmin A guide to fixing the issue where the terminal fails to open on a fresh Linux Mint installation in VMware by creating a new user profile via recovery mode.
How to Change Keyboard Layout on Ubuntu Server - The Swedish Sysadmin A simple guide to changing the keyboard layout on Ubuntu Server using the
How to Install Veeam Backup & Replication on Windows Server 2025 - The Swedish Sysadmin A no-nonsense guide to installing Veeam Backup & Replication Community Edition on Windows Server 2025, creating a backup job, and restoring files.
Virtual Networking Overview: LAN, Host-Only, NAT, & Bridged - The Swedish Sysadmin A comprehensive guide to virtual networking modes in VMware Workstation Pro, covering the theory and practical configuration of LAN Segments, Host-Only, NAT, and Bridged networks.
How to Get VMware Workstation 17 Pro for Free - The Swedish Sysadmin A complete guide on how to download, install, and configure VMware Workstation 17 Pro for free, including network setup and creating your first Windows 11 VM.
How to Set Up Site-to-Site IPsec VPN (OPNsense & pfSense) - The Swedish Sysadmin A step-by-step guide to configuring a Site-to-Site IPsec VPN between OPNsense and pfSense firewalls using IKEv2 and AES-GCM encryption.
How to Install Windows 11 as a Virtual Machine - The Swedish Sysadmin A comprehensive guide on installing Windows 11 as a virtual machine using VMware Workstation 17 Player, covering ISO download, VM creation, and OS installation.
How to Install Zabbix Agent on Windows Server - The Swedish Sysadmin Learn how to download, install, and configure Zabbix Agent 2 on Windows Server with PSK encryption, and create a custom monitoring dashboard.
How to Install Zabbix 7.0 LTS on Ubuntu 24.04 - The Swedish Sysadmin A step-by-step guide to installing Zabbix 7.0 LTS on Ubuntu 24.04, covering repository setup, MySQL database configuration, and Nginx web server setup.
How to Create a Network Map in Zabbix - The Swedish Sysadmin Learn how to create a dynamic network map in Zabbix to monitor servers, switches, and internet connectivity with visual triggers and live data labels.
How to Monitor Switches and Firewalls with Zabbix - The Swedish Sysadmin Learn how to configure SNMP on Aruba switches, install Zabbix Agent on pfSense, and create bandwidth monitoring dashboards in Zabbix.