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Enable SNMP Monitoring

FortiGate

1. Go to System -> SNMP 2. Go to SNMP v1/v2c and click Create New 3. Set a Name, enter your Allowed Hosts and Ports 4. Allow SNMP on the respective Interface of the Firewall

Remote Registration

P-Series

All Registration Attempts that are not initiated by the PBX itself, count as Remote Registration Log into PBX WebUI Go to Extensions and Trunk - Extensions Edit your desired Extension Go to Extension Information. There you'll find Registration Name and R...

Linkvil W-Series

P-Series Device Registration

Go to Line - SIP Setting Value Username Extension Display Name Display Name of the Extension Authentication User Registration Name Authentication Password Registration Password Server Name Display Name of the Extension...

X-Ray/Cutaway Shader

Blender Shading

Disable Swap

Settings

Two-Way Glass Shader

Blender Shading

  This only works with 3D Geometry! (No Planes/Circles etc.) Seperate Inner and outer Geometry into seperate Material Slots Create Shaders as below. For the Outside Shader, the "Backfacing Geometry" Output needs to be used to manipulate the Alpha of...

Bypass MS Account on Windows 11 Setup

Utilities

The current Solution with oobe\bypassnro is not working anymore with the latest Windows 11 ISO Images. Instead of this Command, use this start ms-cxh:localonly, it will open a Window that allows creation of a local User Account. Press SHIFT+F10 (or SHIFT+F...

Policy based IPsec VPN (IKEv1)

FortiGate

What will be done Setup a IKEv1 Remote Access VPN with PSK + XAuth Authentication Policy-based Split Tunneling Prerequesits Static IP Port 500 (UDP) for IKE open Port 4500 (UDP) for NAT-T open ESP open User Group for XAuth I'll be referring to...

Virtual Server Reverse Proxy

FortiGate

What will be done Using a FortiGate to act as a Reverse Proxy, forwarding domain.tld to ip:port Prerequesits Static IP Port 443 (TCP) for HTTPS open In this Example, Forgejo will be used as Application 1. Creating a Virtual Server Go to Policy...

Setup of Public Captive Portal

FortiGate

1. Portal basic Settings Configure Certificate and enable HTTPS config user setting set auth-cert "certificate" set auth-secure-http enable end Set public FQDN / DNS Name config firewall auth-portal set portal-addr "portal.company.com" e...

Installation on Debian (12)

TeamSpeak 3 Server

Installation and initial Setup Install Updates sudo is per default not installed/available in Debian 12 apt-get update -yy apt-get upgrade -yy Create Server User adduser --disabled-login ts3 Set the Shell so you can use it interactivly usermod -s /bin/...

Enable and Locate Memory Dumps

Windows Error Diagnosis

Enable Memory Dumps Press Windows-Key + R and enter SystemPropertiesAdvanced go to Tab Advanced and click on Settings in the Section Startup and Recovery At the Dropdown in System Errors, select Complete Memory Dump Locate Memory Dumps The Path ...

System File Integrity Check

Windows Error Diagnosis

The System File Integrity Check (SFC) in Windows is used to validate (and repair) System Files. Usage SFC [/SCANNOW] [/VERIFYONLY] [/SCANFILE=<Datei>] [/VERIFYFILE=<Datei>] [/OFFWINDIR=<Windows-Offlineverzeichnis> /OFFBOOTDIR=<Offlinestartverzeichnis> [...

BSOD in Log Event Viewer

Windows Error Diagnosis

Windows Blue-Screen-of-Death' (BSOD), generally, produce System Log Events of Type Kernel-Power and Level Critical. Based on them, futher Diagnosis like Memory Dumps or Integrity Checks can be performed. How to Filter System Event Logs 1. Press Windows-Key +...

SSL-VPN on custom Interface

FortiClient

This explains how to setup the SSL-VPN on a FortiGate (E-Series) on a Custom Interface for better Controls. This is done because per default, SSL-VPN Listens on the WAN Interface directly, therefor can not be controlled by any Policy. Create Loopback Interfa...

Migrate Database

PostgreSQL

Find Settings of existing Database sudo -u postgres psql --cluster <version>/main -- Database-level info \l+ your_database -- Server-wide settings SHOW SERVER_ENCODING; SHOW LC_COLLATE; SHOW LC_CTYPE; -- Installed extensions \dx -- Example Ou...

Split Delivery with Google Workspace

Mailcow

What is "Split Delivery"? Split Delivery is a common technique used when two seperate Mailservers handle one signular E-Mail Domain. Example: Mailserver 1 handles user@domain.com and Mailserver 2 handles servicemail@domain.com What is required Two sepera...

Backup Database

PostgreSQL

Find Database to Backup 1. List all Postgres Instances: pg_lsclusters root@SRV-PSQL-PRD-01:~# pg_lsclusters perl: warning: Setting locale failed. perl: warning: Please check that your locale settings: LANGUAGE = (unset), LC_ALL = (unset)...

Change Lockscreen Language

Windows

Issue Whenever the Windows Language Settings are changed, there is a Chance that the Lock Screen Languages are not updated. This is common (and expected) behavior as this requires manual intervention.   Solution Open Control Panel - Time and Region - Re...

Installation and initial Configuration

iPXE Server

1. Install required Packages sudo apt update -yy sudo apt upgrade -yy sudo apt install dhcpd isc-dhcp-server netplan.io tftpd-hpa nginx binutils 2. Configure DHCP Server 2.1 Configure DHCPd Edit Configuration File /etc/dhcp/dhcpd.conf # --- GLOBAL I-PXE...