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PowerShell 7.6: new features, install, and upgrade

✇4sysops
IT Experts
Install PowerShell 7.6 with winget
PowerShell 7.6 introduces several new features as part of Microsoft's latest Long-Term Support (LTS) release. With three years of support, it's a strong choice for production servers. Among the key new features in PowerShell 7.6 are improvements that address long-standing annoyances with autocomplete and enhance reliability for common administrative tasks. If you've ever been frustrated by tab completion not working in certain situations or noticed that PowerShell is missing obvious suggestions, this release addresses many of those issues. This article also covers installing PowerShell 7.6 on Windows and upgrading from earlier versions using winget or the MSI installer.

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Comparing AI chips: GPU, ASIC, and NPU

✇4sysops
IT Experts
AI chip architectures
This article breaks down the three main categories of AI chips—GPUs, ASICs, and NPUs—and compares the leading hardware defining the future of artificial intelligence. You might think of NVIDIA as the undisputed king of artificial intelligence hardware, but the reality is far more complex. While NVIDIA's graphics processing units (GPUs) currently power the majority of AI model training, a diverse ecosystem of specialized chips is rapidly emerging. Tech giants like Google, Amazon, and Microsoft are designing their own custom silicon to cut costs and improve efficiency, while mobile chipmakers are racing to bring powerful AI capabilities directly to your laptop and smartphone.

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Update Windows Secure Boot DB certificates with Group Policy and PowerShell

✇4sysops
IT Experts
Windows Secure Boot DB Certificate Update Architecture
Microsoft's original Secure Boot certificates from 2011 begin expiring in June 2026. Windows devices that still rely on these certificates will no longer receive security updates for boot components, leaving them out of compliance. To address this, Microsoft is rolling out new 2023 certificates for the UEFI Secure Boot Signature Database (DB). Administrators can deploy these certificates to domain-joined machines using Group Policy, PowerShell, or the Windows Configuration System (WinCS). This article covers the technical background, the registry-based deployment mechanism, and Microsoft's sample automation framework for enterprise rollouts.

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Impossible d’accéder au disque C sur votre PC Samsung ? Voici comment corriger le problème

✇Le Crabe Info
Pierre Caer
Depuis une semaine, certains utilisateurs de PC Samsung sous Windows 11 se retrouvent dans l’impossibilité d’accéder à leur disque C et de lancer des applications, voire d’effectuer la moindre tâche sur leur machine. Si vous êtes dans cette situation, rassurez-vous : la cause a été identifiée et Microsoft a publié une procédure officielle pour corriger … Lire la suite

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Microsoft adds passkeys to Entra ID registration campaigns

✇4sysops
IT Experts
Configuring registration campaigns in Entra admin center (image Microsoft)
Starting April 2026, Microsoft Registration Campaigns in Entra ID will support Passkeys (FIDO2) as an authentication method, enabling organizations to deploy phishing-resistant credentials. The update introduces significant configuration changes, particularly for tenants using the Microsoft-managed state, where several campaign settings become non-configurable. This rollout is part of Microsoft's broader strategy to eliminate passwords and aligns with the introduction of Windows Hello passkey support for Entra accounts.

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Comparing AI protocols: MCP, A2A, AGP, AGNTCY, IBM ACP, Zed ACP

✇4sysops
IT Experts
Comparing ai protocols mcp, a2a, agp, agntcy, ibm acp, zed acp
Seven protocols have emerged to standardize communication between AI agents, models, and external systems: Anthropic Model Context Protocol (MCP), Google Agent2Agent (A2A), Google Agent Gateway Protocol (AGP), Cisco AGNTCY, IBM Agent Communication Protocol (ACP), and Zed Agent Client Protocol (AGP). This article provides an overview of these AI protocols and compares their use cases.

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Windows 11 : le nom du dossier utilisateur enfin personnalisable, Point-in-Time Restore qui s’améliore… ce qui arrive bientôt

✇Le Crabe Info
Pierre Caer
Si vous avez déjà installé Windows 11 avec un compte Microsoft, vous l’avez sans doute constaté : le nom du dossier utilisateur dans C:\Utilisateurs\ est souvent tronqué et impossible à modifier proprement après coup sans passer par le Registre. Microsoft avait bien tenté d’apporter une solution en octobre 2025, mais celle-ci n’a jamais été déployée … Lire la suite

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