5 Aug 2026, 05:51 UTC181 views10 reactionsread 8 August 2026 Photo
⚙️ Following the widespread rollout of the Windows UEFI CA 2023 Secure Boot certificates, administrators have started encountering an unexpected issue on some devices.
⚠️ After the CMOS battery went flat (vacation season strikes again 🤷), a UEFI firmware update or a BIOS/UEFI reset, Windows may fail to boot on certain laptop models with the following error:
Secure Boot Violation
Invalid Signature Detected. Check Sec…
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4 Aug 2026, 22:31 UTC184 views8 reactionsread 8 August 2026 ⚠️ Following the July 2026 Patch Tuesday, many administrators reported a dramatic increase in WSUS synchronization times, synchronization timeouts, and higher IIS resource utilization.
The root cause was Microsoft's accidental publication of a large number of test Detectoid objects into the WSUS update catalog. The resulting spike in update metadata significantly increased the time required to synchronize and proces…
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3 Aug 2026, 14:12 UTC224 views10 reactionsread 8 August 2026 Photo
🖨 There is no need to connect to the user's desktop to perform typical printer management tasks on Windows computers. Most of the operations can be performed remotely using PowerShell.
📱 For example, installing a new network printer in a remote PowerShell session:
🔹 Connect to the user's computer via PowerShell Remoting (WinRM):
Enter-PSSession -ComputerName Comp123
🔹 Add the printer driver package to the driver s…
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31 Jul 2026, 07:05 UTC596 views31 reactionsread 8 August 2026 Photo
🍻Today is the 27th annual SysAdmin Day, making it the perfect time to recognize and appreciate the people who keep your infrastructure stable, secure, and running smoothly! 😎
Maintaining a secure network, keeping systems running, assisting with user issues, and putting out IT “fires” is not an easy job, so take a moment today to thank your SysAdmin and IT teams for everything they do. 🎉
Happy SysAdmin Day!
#SysAdm…
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30 Jul 2026, 04:42 UTC373 views18 reactionsread 8 August 2026 Photo
🛠 This is a 'classic' Windows admin trick for resetting a local administrator password or regaining administrative privileges when the password has been lost or forgotten.
Note: This method requires physical access to the computer and the ability to boot into the Windows Recovery Environment (WinRE) or from Windows installation media. It should only be used on systems you own or are authorized to administer.
1️⃣ Boot…
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28 Jul 2026, 05:53 UTC361 views16 reactionsread 8 August 2026 Photo
⛑ Windows Safe Mode is a troubleshooting and recovery environment that loads the operating system with only the bare minimum of essential drivers and service, In this mode, Windows prevents third-party apps, services and drivers from startup when the computer boots up. Safe Mode is commonly used to remove software that cannot be uninstalled during a normal boot, or when Windows fails to start after installing incompa…
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27 Jul 2026, 13:27 UTC317 views8 reactionsread 8 August 2026 Photo
🌐 Windows indicates the current Internet connectivity status using both the network icon in the system tray and the information shown in the Network settings interface. This is a convenient visual indicator that allows users to quickly determine whether a device has Internet access.
The Network Connectivity Status Indicator (NCSI) is a dedicated Windows component responsible for performing network connectivity check…
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23 Jul 2026, 05:25 UTC483 views13 reactionsread 8 August 2026 Photo
💬 You can use the built-in MSG command to send a pop-up message to a user's desktop on a local or remote Windows computer. Specify the target host with the /server parameter and the message text.
✅ Send a message to a specific user:
MSG k.fabian /server:MUN-SAP01 "Restart the SUPGUI client to apply the latest update!"
✅ Show a pop-up notification to all active user sessions on the server:
MSG * /server:MUN-SAP01 "T…
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21 Jul 2026, 05:26 UTC478 views12 reactionsread 8 August 2026 Photo
🖨 A common issue with Windows Remote Desktop Services (RDS) hosts that have local printer redirection enabled is a large number of Inactive TS ports for redirected client printers that remain even after those clients disconnect. Over time, these orphaned print ports can degrade RDS Session Host performance, cause redirected printers to disappear from user sessions, and lead to other Print Spooler related issues. The …
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20 Jul 2026, 13:40 UTC464 views14 reactionsread 8 August 2026 Photo
🔄 Windows Server Update Services (WSUS) is traditionally used in corporate networks for centralized deployment of security updates and patches for Microsoft products such as Windows and Office. However, user workstations also run many third-party applications (such as web browsers, PDF readers, archivers, and other tools) that require regular updates and patch management.
📦 WSUS Package Publisher (WPP) is an open-so…
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14 Jul 2026, 05:05 UTC602 views10 reactionsread 8 August 2026 Photo
🖥 RemoteApp is a technology used to deliver apps installed on a Remote Desktop Session Host (RDSH) directly to a user's desktop through Remote Desktop Services (RDS). RemoteApp applications behave as if they are running locally on the client computer. Instead of displaying the entire remote desktop, only the published application's window is streamed to the client. The window can be resized, appears on the local desk…
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13 Jul 2026, 14:50 UTC488 views15 reactionsread 8 August 2026 Photo
📶 Windows' built-in netsh command can be used to export saved Wi-Fi (WLAN) profile configurations, including passwords, to XML files, which can then be imported on other computers. This is useful for backing up saved Wi-Fi networks, migrating clients to new devices or SSIDs, and deploying wireless profiles in advance without having to configure each machine manually.
List all saved WLAN profiles on a machine:
netsh …
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Showing the 12 most recent of 20 posts we hold for @woshub. View and reaction counts are the latest single reading for each post, not a live figure, and a recent post is still accumulating both. A view count marked ≈ was rounded by Telegram before we ever saw it — t.me prints views in full below 1,000 and to three significant figures above, so ≈1,200,000 means somewhere between 1,150,000 and 1,249,999. Unmarked counts are exact. Text is reproduced from the public post preview and truncated for length.