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À partir d’avant-hier4sysops

Debugging an IIS 500 – Internal server error

26 mai 2022 à 16:21

If your Internet Information Services (IIS) produces a 500 – Internal server error, your website is in serious trouble. Debugging an IIS 500 – Internal server error can take some time, so you'd better be prepared for the worst-case scenario. You don't want to research how to deal with this error under time pressure.

The post Debugging an IIS 500 – Internal server error first appeared on 4sysops.

Install ESXi network drivers for Intel e1000 and Intel I220 / I221 / I225/ I226 chipsets

27 mai 2022 à 10:14

Many IT professionals and others run VMware lab environments for learning, certification prep, evaluation, and other use cases. They often use commodity hardware not found on the VMware hardware compatibility list. This leads to driver issues, especially with network adapters. Community Networking Driver for ESXi provides drivers for otherwise unsupported NICs.

The post Install ESXi network drivers for Intel e1000 and Intel I220 / I221 / I225/ I226 chipsets first appeared on 4sysops.

Privileged access management with Keeper Connection Manager

30 mai 2022 à 14:28

Keeper Connection Manager provides a privileged access management solution that enables organizations to share connections for RDP, SSH, VNC, Kubernetes, and MySQL endpoints securely. The solution supports remote workers and bolsters compliance initiatives.

The post Privileged access management with Keeper Connection Manager first appeared on 4sysops.

How to fix HTTP Error 503 – The service is unavailable

31 mai 2022 à 10:29

In a previous post, you learned how to troubleshoot HTTP Error 500 – Internal server error. In this post, we will look into how to fix HTTP Error 503 – The service is unavailable.

The post How to fix HTTP Error 503 – The service is unavailable first appeared on 4sysops.

Setting up Microsoft Defender for Business with a simplified configuration

1 juin 2022 à 11:38

One of the problems with enterprise security is that it has typically been challenging to configure. However, Microsoft Defender for Business offers a simplified configuration process that helps SMBs ease the burdens of implementing best practice policies to protect corporate devices.

The post Setting up Microsoft Defender for Business with a simplified configuration first appeared on 4sysops.

Getting started with the AWS Serverless Application Model (AWS SAM)

2 juin 2022 à 11:12

The AWS Serverless Application Model, also referred to as AWS SAM, is an open-source framework that allows you to build your serverless applications quickly and easily. Throughout this guide, we will look at the benefits of AWS SAM and how it works, including a fully working example to demonstrate. We have lots to cover, so let's get started!

The post Getting started with the AWS Serverless Application Model (AWS SAM) first appeared on 4sysops.

Activate Remote Desktop in Windows 11 and Windows Server 2022 (GUI, WAC, WMI, and GPO)

6 juin 2022 à 15:02

Remote Desktop is the preferred method for accessing Windows computers remotely in an interactive session. The feature is disabled by default and can be enabled in various ways. These include the settings app, group policies, Windows Admin Center, and WMI using PowerShell.

The post Activate Remote Desktop in Windows 11 and Windows Server 2022 (GUI, WAC, WMI, and GPO) first appeared on 4sysops.

Troubleshoot HTTP Error 403.14 – Forbidden in IIS

7 juin 2022 à 09:40

In a previous post, you learned how to troubleshoot 401 – Unauthorized: Access is denied due to invalid credentials. In this post, we will cover how to troubleshoot HTTP Error 403.14 – Forbidden in Internet Information Services (IIS).

The post Troubleshoot HTTP Error 403.14 – Forbidden in IIS first appeared on 4sysops.

Deactivating search highlights in Windows 10/11 using Group Policy

8 juin 2022 à 14:07

Search highlights display a colorful icon in the Windows 10 search bar. If you hover the mouse over the icon, a news overview of a selected topic opens. In Windows 11 22H2, this is integrated directly into the search field. However, the feature can be deactivated using a GPO.

The post Deactivating search highlights in Windows 10/11 using Group Policy first appeared on 4sysops.

IIS shared configuration

9 juin 2022 à 13:40

Since version 7, Internet Information Services (IIS) has offered a built-in feature known as IIS Shared Configuration, which uses the idea of storing the applicationHost.config, administration.config, and configEncKey.key (encryption key) files used by IIS in a network share. You can then configure multiple web servers to utilize these configuration files, and any change to the IIS configuration seamlessly propagates to other servers without any additional tool or administrative effort. 

The post IIS shared configuration first appeared on 4sysops.

Next version of Exchange to arrive in 2025; meanwhile, new features for Exchange 2019

10 juin 2022 à 14:53

Microsoft changed its Exchange roadmap and wants to publish the next (perhaps last) release of the on-prem version in 2025. Compared to the original announcement, the company also revised its licensing. In the meantime, users will receive some new features for Exchange 2019.

The post Next version of Exchange to arrive in 2025; meanwhile, new features for Exchange 2019 first appeared on 4sysops.

Deploy Windows 11 with Microsoft Deployment Toolkit (MDT)

13 juin 2022 à 15:39

Microsoft Deployment Toolkit (MDT) has long been a popular free deployment solution, allowing organizations to roll out image-based installations of Windows. Now that Windows 11 has been released, many organizations may be looking to update their images to deploy the newest version of the operating system.

The post Deploy Windows 11 with Microsoft Deployment Toolkit (MDT) first appeared on 4sysops.

Cisco config backup with Python

14 juin 2022 à 17:30
Par : John Kull

In a previous article, we looked at how to leverage the Python Module Paramiko to connect to Cisco routers and switches via SSH and execute commands. In this article, we will build on that knowledge and build a Cisco config backup system of all our devices on a schedule. You can also use this information to push common updates to all your devices, such as updating a syslog server entry, SNMP server, or any other commands you may need to send to all devices.

The post Cisco config backup with Python first appeared on 4sysops.

Cloud monitoring with NetCrunch 12

15 juin 2022 à 11:45

Monitoring business-critical resources on-premises and in the cloud requires the right tools and solutions. AdRem Software NetCrunch 12 is the latest major release, adding cloud monitoring, configuration monitoring, new sensors, an upgraded look, and many new features.

The post Cloud monitoring with NetCrunch 12 first appeared on 4sysops.

Adding a new node to a Hyper-V cluster

16 juin 2022 à 10:53

Many organizations run Microsoft Hyper-V as a highly available role in Windows Server Failover Clusters (WSFC). Hyper-V clusters allow you to scale out easily by simply adding another Hyper-V host to the cluster. Let's see if we can accomplish this using Windows Admin Center.

The post Adding a new node to a Hyper-V cluster first appeared on 4sysops.

How to create an SPF Record: Prevent email spoofing

17 juin 2022 à 11:46

The Sender Policy Framework (SPF) is a technique that prevents email spoofing. In this article, you will learn the importance of the SPF record and how to correctly configure it in your domain's DNS so that emails sent from your domain are not marked as spam by the recipient.

The post How to create an SPF Record: Prevent email spoofing first appeared on 4sysops.

How to configure DKIM

20 juin 2022 à 14:28

In my previous post, you learned about the sender policy framework (SPF) and its importance in your domain. In today's post, I will explain how to configure DKIM.

The post How to configure DKIM first appeared on 4sysops.

Secure email and privacy in the cloud with Proton for Business

21 juin 2022 à 11:42

Proton for Business provides secure email for the cloud with support for calendaring, file storage, and VPN services focused on security and privacy, allowing businesses to meet compliance and security objectives quickly and easily.

The post Secure email and privacy in the cloud with Proton for Business first appeared on 4sysops.

Install subsystem for Linux 2 (WSL2) on Windows Server

22 juin 2022 à 09:21

While the second generation of the Linux subsystem has been on board with Windows 10 since version 20H1, Windows Server users have had to settle for WSL1 until now. After some back and forth, Microsoft has now decided to offer WSL2 for Windows Server 2022. However, Server 2019 will be left out.

The post Install subsystem for Linux 2 (WSL2) on Windows Server first appeared on 4sysops.
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