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Hier — 20 janvier 20224sysops

If an EC2 Reserved Instance is not applied or used

20 janvier 2022 à 17:01

If an EC2 Reserved Instance is not used on your running instance, significant additional costs can pile up in your account because you pay the higher On Demand rates. AWS usually applies the EC2 Reserved Instance automatically to any running instance that matches the instance properties (type, scope, etc.) of the Reserved Instance. If you feel that your Reserved Instance is not applied properly, I'll show you in this post how to resolve the issue.

The post If an EC2 Reserved Instance is not applied or used first appeared on 4sysops.

EC2 Image Builder: Build your golden VM images on AWS

19 janvier 2022 à 18:27

Golden VM images are template server images that are hardened to meet IT standards and come with preinstalled and preconfigured custom software and settings that help you save time and ensure consistency. EC2 Image Builder enables you to automate the creation, management, and deployment of compliant golden VM images quickly and easily via automated pipelines that keep images secure and up-to-date.

The post EC2 Image Builder: Build your golden VM images on AWS first appeared on 4sysops.
À partir d’avant-hier4sysops

Overview: Microsoft's security portfolio under the Defender brand

18 janvier 2022 à 16:35

Azure-named services provide an indication of Azure functionality and capabilities, even if these services provide hybrid cloud features and capabilities. This is why Microsoft has recently changed the name of many Azure services, including those in its security portfolio, to align the services with today's hybrid infrastructure models.

The post Overview: Microsoft's security portfolio under the Defender brand first appeared on 4sysops.

Midnight Commander remote connect via Shell link (copy files over SSH) and SFTP link using FISH and public key authentication

17 janvier 2022 à 20:13

In this post, I show you how to configure SSH for Midnight Commander to remotely copy or move files with the file manager's Shell link feature and public key authentication. I will also explain the difference between files transferred over Shell Protocol (FISH) and Secure Copy Protocol (SCP) and say a word or two about Midnight Commander's SFTP feature.

The post Midnight Commander remote connect via Shell link (copy files over SSH) and SFTP link using FISH and public key authentication first appeared on 4sysops.

Increase IIS performance with HTTP/3 in Windows Server 2022

14 janvier 2022 à 18:33

There is a new up-and-coming web technology known as HTTP/3. The new protocol is all about performance and security. It is built on top of the QUIC (Quick UDP Internet Connections) encrypted transport protocol. Windows Server 2022 natively supports HTTP/3 with Internet Information Services (IIS).

The post Increase IIS performance with HTTP/3 in Windows Server 2022 first appeared on 4sysops.

Redirect user profile folders (documents, pictures, etc.) to OneDrive for Business

13 janvier 2022 à 16:09

For a long time, roaming profiles and folder redirection were the standard means under Windows for making user files available on different devices. Now that more and more users work on the road or at home rather than in the office, this technique is becoming increasingly obsolete. An alternative to such environments is to redirect profile folders to OneDrive.

The post Redirect user profile folders (documents, pictures, etc.) to OneDrive for Business first appeared on 4sysops.

Root login via SSH and SFTP on EC2 instances running Linux

12 janvier 2022 à 17:34

If you try to connect to an EC2 instance with the user root, you will receive this error message:
Please login as the user "ubuntu" rather than the user "root".
This is the message for an instance running Ubuntu. For an Amazon Linux or Red Hat instance, you are asked to log in with the ec2-user rather than root. In this post, I show you how to change this configuration and log in with root via SSH and SFTP in AWS anyway.

The post Root login via SSH and SFTP on EC2 instances running Linux first appeared on 4sysops.

Action1 RMM: Managing and monitoring IT for hybrid workforces

11 janvier 2022 à 16:26

As organizations continue to implement a hybrid workforce, they need a remote monitoring and management tool that helps them mitigate security risks, maintain business continuity and efficiently support remote users. The latest Action1 service update provides additional features that empower IT teams to safely and efficiently achieve these goals.

The post Action1 RMM: Managing and monitoring IT for hybrid workforces first appeared on 4sysops.

Poll: Will you deploy Windows 11 in 2022?

10 janvier 2022 à 18:26

Microsoft waited quite a while to release a new Windows version. In this poll, I would like to know if you are planning to deploy Windows 11 for end users in your organization this year.

The post Poll: Will you deploy Windows 11 in 2022? first appeared on 4sysops.

Configuring DFS Namespaces for Amazon FSx for Windows file servers

7 janvier 2022 à 17:21

This step-by-step guide explains how to configure DFS Namespaces for Amazon FSx for Windows file servers.

The post Configuring DFS Namespaces for Amazon FSx for Windows file servers first appeared on 4sysops.

Perform Active Directory security assessment using PowerShell

6 janvier 2022 à 12:06

My Active Directory security assessment script pulls important security facts from Active Directory and generates nicely viewable reports in HTML format by highlighting the spots that require attention. The script manipulates user data using facts collected with benchmark values.

The post Perform Active Directory security assessment using PowerShell first appeared on 4sysops.

Protect Active Directory with Microsoft Defender for Identity

5 janvier 2022 à 21:05

Microsoft Defender for Identity is a cloud-based security solution that can identify attack signals in Active Directory. The solution leverages traffic analytics and user behavior analytics on domain controllers and AD FS servers to prevent attacks by providing security posture assessments. Additionally, it helps expose vulnerabilities and lateral movement exploitation paths.

The post Protect Active Directory with Microsoft Defender for Identity first appeared on 4sysops.

Microsoft Edge: Open new tab without MSN news, configure start pages with GPO

4 janvier 2022 à 15:36

If you open a new tab in Microsoft Edge, it will load the Microsoft News page by default. This behavior can be changed via tab settings or group policies. They also offer options to change the quick link tiles, the homepage, and the start pages.

The post Microsoft Edge: Open new tab without MSN news, configure start pages with GPO first appeared on 4sysops.

Authors and members of the year 2021

3 janvier 2022 à 17:10

The results of our author competition always offer interesting insights into the topics that are most relevant to IT pros. This year, we see a slight shift toward cloud computing, although the change compared to previous years is not dramatic.

The post Authors and members of the year 2021 first appeared on 4sysops.

cpulimit: Limit CPU usage on Linux based on system load

31 décembre 2021 à 10:59

On a busy server, you want to avoid putting more load on the machine with applications that are not time-sensitive. cpulimit is a Linux tool that allows you to limit CPU resources for such programs. In this little tutorial, I explain how you can use cpulimit depending on the average load on your system using the uptime command.

The post cpulimit: Limit CPU usage on Linux based on system load first appeared on 4sysops.

Capture outbound connections initiated on your host with tcpdump and WinDump on Linux and Windows

30 décembre 2021 à 17:21

If your server initiates connections to an unknown host, it might be a sign that your server has been compromised. With the help of tcpdump and WinDump, you can easily capture outbound TCP packets on Linux and Windows.

The post Capture outbound connections initiated on your host with tcpdump and WinDump on Linux and Windows first appeared on 4sysops.

Bulk restore deleted Azure AD users

29 décembre 2021 à 15:41

A great number of users are created and deleted every day in large organizations. Sometimes, some of these users are deleted by mistake, and they need to be restored immediately. However, it's not possible to restore hundreds of users manually. Instead, there are two options: use the Bulk Restore feature on Azure Portal, or create a custom PowerShell script to restore the required user objects. In this post, we will look at these options to restore deleted users in bulk in Azure Active Directory.

The post Bulk restore deleted Azure AD users first appeared on 4sysops.

Turn off web search in Windows 11 using Group Policy

28 décembre 2021 à 17:24

Microsoft adds results from the web if you run a local search under Windows 11. These originate from Bing and are usually of little use. However, users cannot interactively disable this web search. Depending on the edition, specific group policies or registry keys can be used for this purpose.

The post Turn off web search in Windows 11 using Group Policy first appeared on 4sysops.

Control Windows Update for Business using the deployment service and PowerShell

27 décembre 2021 à 18:42

The new Windows Update for Business deployment service falls in the portfolio of services offered in the Microsoft Windows Update for Business (WUfB) product family. With it, Microsoft strives to provide more granular controls over WUfB and allow organizations to manage the approval, scheduling, monitoring, and safeguarding of updates delivered from the Windows Update platform.

The post Control Windows Update for Business using the deployment service and PowerShell first appeared on 4sysops.
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