IT forum and community - rootDB

The State of PHP 2024

Mikrotik: mDNS Repeater as Docker-Container on the Router (ARM,ARM64,X86)

Install Monitoring Uptime Kuma

On the Security of the Signal App in the Context of the Current US Leak

For IT Users and Developers

Join a community that brings together IT professionals, developers, and administrators from around the world to share knowledge and find innovative solutions. From cloud computing and DevOps to cybersecurity, you can benefit from proven experience and expertise at the highest level.

Frank 5 days agoSocial networksSecurity

On the Security of the Signal App in the Context of the Current US Leak

Hello User, Currently, there's much discussion about the USA leak, in which high-ranking officials of the Trump administration, including Vice President J.D. Vance, Defense Secretary ...

Frank 14 days agoUbuntuLinux

How to install lsyncd directory synchronisation on Ubuntu LTS

As a developer, sometimes you need to synchronize a directory multiple times simultaneously, e.g., when a new file is written to the directory. And ...

Frank 16 days agoRedHat, Fedora, CentOS

Resolving Standby Problems Caused by USB Devices on Fedora Linux 41

Introduction Sometimes on Linux systems, certain USB devices can wake the computer from standby mode or prevent it from entering standby mode at all. ...

Frank 20 days agoSecuritySecurity Basics

CORS: Configure Cross-Origin Resource Sharing

Hello user, today I had the pleasure of working with CORS. What is CORS? Cross-Origin Resource Sharing (CORS) allows external web browsers or other web ...

Frank 20 days agomacOSDNS

Modifying the Hosts file in Mac OS X

Frequently asked, here is my mini tutorial on it. How do I change the 'hosts' file under macOS (from 10.5 Leopard to 15.3.1 Sequoia) to ...

Frank 26 days agoLinux NetworkRedHat, Fedora, CentOS

Linux NetworkManager - Adding a search domain using nmcli or nmtui

Actually, I just want to add my search domain to the network settings (search domain or dns search) under Arch-Linux and Fedora. This used to ...

Frank on Feb 28, 2025PHP

The State of PHP 2024

A good article about PHP and the current state of the language. PHP remains a cornerstone of web development, powering millions of websites worldwide. Its ...

colinardo on Feb 27, 2025MikroTikDevelopment

Mikrotik Scripting - Quickly filter Router-Log by datetime

Sometimes you just want to get a reduced list of events from your router log filtered by date/time. There are numerous variants which can do ...

TechGuru on Feb 25, 2025Artificial intelligence (AI)

New AI: Claude 3.7 Sonnet with deep thinking introduced

Yesterday, AI maker Anthropic unveiled Claude 3.7 Sonnet, which has adaptive reasoning capabilities. Claude is in direct competition with ChatGPT. In developer circles, Claude is ...

Frank on Feb 24, 2025AppleiOS

What is the difference between iPhone 16e and iPhone 16?

The iPhone 16e and iPhone 16 differ in a few ways, even though they are part of the same family. Here are the main differences: ...

colinardo on Feb 20, 2025MikroTikDevelopmentFirewall

Mikrotik Scripting: Using the "place-before" parameter to place fw rule "after" other rule

This is a quick trick to programmatically place firewall rules after specific rules, not before. Normally you already have the place-before parameter when adding firewall ...

max on Feb 19, 2025Windows 11WebbrowserMicrosoft

Microsoft Edge no longer starts - Reset Edge

On a couple of occasions, after logging in to Edge, the browser itself would no longer start. The usual PC restart didn't help either. Tested ...

Frank on Feb 18, 2025macOS

How do I remove the Google Updater from macOS?

Who hasn't experienced this: you delete Google Chrome in macOS and yet the annoying ‘Google Updater has added objects that can run in the background’ ...

Frank on Feb 16, 2025PHP

Fast string compare function for PHP

Hello User, As a developer, I was faced with a challenge: I needed a fast but rough string comparison function for our website. It checks ...

Dani on Dec 18, 2024Microsoft

App-V is no longer being deprecated

In Hamburg on the M.A.D. Day (Modern Application Deployment) we could announce that App-V is no longer being deprecated – The Client and the Sequencer. ...

Dani on Dec 02, 2024Windows 11Windows 10Microsoft Office

Windows and Office configuration support matrix

Support for Microsoft 365 Apps is defined by the Modern Lifecycle Policy, which requires customers to maintain an up-to-date configuration in order to stay in ...

firefly on Nov 27, 2024Windows 11Windows ServerViruses, TrojansWindows 10

Malware Romcom exploits zero-day vulnerabilities in Firefox and Windows

Security researchers at Eset have discovered a serious threat that is currently being exploited in Germany and in US: A Russian hacker group is currently ...

Dani on Nov 27, 2024Exchange Server

Re-release of November 2024 Exchange Server Security Update packages

Today we are re-releasing the November 2024 SUs for Exchange Server. The original release of these SUs (released on 11/12/2024) introduced an issue with Exchange ...

Dani on Nov 26, 2024Exchange Server

Update on Exchange Server ADFS Modern Authentication support

We are pleased to provide an update regarding Exchange Server ADFS Modern Authentication support. As of today, ADFS Modern Authentication is supported across all channels ...

Gremigio on Nov 26, 2024Development

Freeradius and MYSQL

Hello, I am working with freeradius and MYSQL. My goal is to authenticate users through the radius server with my users' database in mysql. I ...

zimbosmurf on Nov 26, 2024Monitors, graphic cardsNotebooksVisual Studio

Strange display problem, unsure if hardware or software, on Lenovo Yoga 13

Hi! We have one Lenovo Yoga 13 Notebook that shows some screen issues. As you can see in the following images, there are orange "lines" ...

rcdevs on Nov 14, 2024Security ToolsSecuritySecurity Basics

How about swapping password rotation fatigue for real-time leak detection?

Hi there! Traditional password rotation policies, while meant to enhance security, can lead to user fatigue and even weaker security as users struggle to keep ...

M.Amalie on Nov 05, 2024Cloud

Migrate from Google WorkSpace to Office 365

I need a direct way to migrate from Google Workspace to Office 365 without needing to download and re-upload! form a Google search I found ...

pegnose on Oct 20, 2024Windows 10Firewall

RDP connection to Windows 10 client fails with code 0x904

I have a Win10 workstation to which I cannot RDP. I use the built-in RDP client from Win11. The connection fails with the following message ...

Frank on Oct 12, 2024WebbrowserWeb DevelopmentWebserver

Web server tuning: display WebP images directly in the browser

When switching to WebP images, I encountered a little unexpected behaviour: When linked directly, most browsers immediately start downloading WebP images instead of displaying them ...

Frank on Oct 12, 2024Artificial intelligence (AI)CPU, RAM, Motherboards

Intel Screwed Up Again: Core Ultra 200S

On many hardware sites I read the new announcement of the Intel Core Ultra 200S CPU, codenamed Arrow Lake-S. Intel’s latest work is supposed to ...

Telereader on Oct 04, 2024LAN, WAN, Wireless

Cisco AIR-CAP1532I-E-K9 SAP Image (Autonomus) download ?

Dear Community, I have go an AIR-CAP1532i-E-K9 Access Point with the lightweight image installed. I would like to install the SAP (autonomus) image. Since this ...

Dani on Sep 24, 2024CloudMicrosoft

New VDI solution for Teams on AVD and Windows 365 environments

Today Microsoft is excited to announce that the new VDI solution for Teams on Azure Virtual Desktops/Windows 365 environments is generally available. As explained in ...

Dani on Aug 29, 2024Microsoft

Bye bye Microsoft Action Pack

Moin, Microsoft is evolving the partner benefits offerings to provide partners with the tools and support they need to continue to lead the way in ...

michi.wtr on Aug 08, 2024Python

Pyinstaller: Module PyQt5 not found

Hey guys, I have a problem to install my python script as an executable. The script starts a subprocess with pythonw.exe, which executes another script. ...

michi.wtr on Aug 07, 2024Python

Use modules from venv in a started Process

Hey Guys, I started to develop a small application in python. Unfortunally I have absolutely no expirience with python. But as I started I got ...

TobiasG on Jul 03, 2024Security Tools

1Password share password vault between companies

Hello everyone, I would like to share a password vault in the Password Manager 1Password between two user accounts that are in different company environments. ...

AndrewC on Jul 01, 2024Microsoft

Enhancing Support with the Microsoft Teams Ticketing System

As organizations strive to create more connected and efficient workplaces, the Microsoft teams ticketing system Microsoft Teams ticketing system emerges as a powerful tool for ...

Dani on Jun 23, 2024Windows ServerMicrosoft

Active Directory LDAPS certificate selection (deep dive)

The LDAPS certificate is used by the LDAP server to secure communications using TLS over TCP/636, as an alternative to LDAP over TCP/389 that uses ...

firefly on May 16, 2024Windows ServerMicrosoftSecurity

Windows zero-day vulnerability CVE-2024-30051

CVE-2024-30051 is a zero-day privilege escalation vulnerability discovered by Kaspersky Lab in April 2024 while researching CVE-2023-36033. It is a critical vulnerability in Windows (CVSS ...

Linuxero on May 11, 2024Network ManagementRouters, RoutingLAN, WAN, WirelessFirewall

EdgeRouter Lite 3 IPv6 configuration

Hi; I am trying to configure the EdgeRouter Lite 3 with two subnets on eth1 and eth2. The router is behind a Cable Fritzbox. So ...

Linuxero on May 04, 2024VPNLinux NetworkFirewall

Wireguard with systemd and nftables

Hi; I am trying to configure Wireguard VPN using systemd.networkd on a Server with NFTables as a firewall. These are the files of my configuration: ...

Frank on Apr 28, 2024Ubuntu

Ubuntu 24.04 LTS Noble Numbat available

Ubuntu 24.04 LTS, codenamed "Noble Numbat", is the latest long-term supported version of Ubuntu and is available for download from. Some of the key features ...

admtech on Apr 28, 2024Forum Feedback

Developer diary: Release 6.1

Hello users, Today we have released version 6.1 codenamed "Structural change". Filters In the new release we have made some changes to the front page ...

Dani on Apr 27, 2024Microsoft

End of availability for classic Teams client

A new Teams client is in the process of rolling out, in stages, for users who are still on classic Teams client. This rollout involves ...

gleixnerd on Apr 19, 2024Firewall

Check of ZFW Firewall

Hi together, I will post my running cisco config below. I have an external modem on my cisco router, which gets an fixed IP-Adress from ...

jstricker on Apr 18, 2024VPNNetworks

Wireguard VPN on UDM Pro behind Fritzbox - Handshake did not complete

Hello everyone I have the following problem: I have set up the Wireguard server on my UDM Pro, on the client conf i changed the ...

AlexWisha on Apr 17, 2024Linux NetworkUbuntuServer

How to set up and configure a Linux GRE tunnel

This guide will walk through the setup and configuration of a GRE tunnel between two Linux hosts. The two Linux hosts are running Ubuntu 22.04 ...

Dani on Apr 16, 2024Microsoft OfficeExchange ServerMicrosoft

End of Support dates for Office 2016, 2019 Apps und Productivity Servers

This post applies to: Office 2016, Office 2019 Applications: Access 2016, Access 2019, Excel 2016, Excel 2019, OneNote 2016, Outlook 2016, Outlook 2019, PowerPoint 2016, ...

gleixnerd on Apr 03, 2024InternetRouters, RoutingNetworksISDN, Analog

PPPoE configuration on cisco router

Hi, I have a cisco ISR4321 router with OS 17.02.01r and a zyxel VMG3006-D70A modem. I want to use the modem on a ADSL 16Mbit ...

mit-suedde on Mar 27, 2024VMware

Error Could not initialize plugin libnvidiavgxso for vGPU nvidiartxa6000

Hello, i have a Terra Server 7200 G4 with rtxa6000 nvidia graphics card. I already installed ESX7 with the necessary graphic card drivers. My problem ...

Dani on Mar 21, 2024Exchange Server

MSFT - Last Exchange Server Scenario

In April 2022, we released an update to Exchange Server 2019 Management Tools that enables organizations that use Azure AD Connect and sync their Active Directory to ...

sashaak on Feb 09, 2024Printers, scanners

Install own SSL certificate on HP ScanJet Pro N4000 snw1 does not work

I have a brand new HP ScanJet Pro N4000 snw1, firmware 0.80. I would like to install a self created SSL certificate and I can't. ...

Aki125 on Feb 06, 2024macOSMusic, PodcastsAppleiOS

Application waiting

I use Jamf School and Apple School Manager, and I have a problem with an application which doesn't want to install or update. I can't ...

Dani on Jan 27, 2024Windows ServerWindows Server 2025

Introducing Windows Server 2025

Hi, there's nothing more to say Regards, Dani ...