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  • Sysadmins of the North
  • About
  • Codebase
  • GNU/Linux
  • Useful
  • Web applications
    • WordPress
  • Windows Server
Logo Sysadmins of the North website
  • GNU/Linux

Restore single MySQL table from a full mysqldump backup file

Learn how to restore a single table from a full MySQL mysqldump backup file using Bash shell in Linux

  • Jan ReilinkByJan Reilink
  • On21-08-2017
Read MoreRestore single MySQL table from a full mysqldump backup file
Lego security officer keeping your sites secure
  • WordPress

Protect WordPress from brute-force XML-RPC attacks

How to protect your WordPress from brute-force XML-RPC attacks, because the WordPress XML-RPC API has been under attack for many years now.

  • Jan ReilinkByJan Reilink
  • On02-06-2017
  • 1 Comment
Read MoreProtect WordPress from brute-force XML-RPC attacks
WSUS IIS Application Pool Advanced Settings
  • Windows Server

WsusPool keeps crashing: stops again and again

WSUSPool keeps stopping? Sometimes you find your WSUS server keeps crashing over and over again. The WSUS application pool periodically stops, WSUS is unavailable and/or the WSUS management console hangs.

  • Jan ReilinkByJan Reilink
  • On25-05-2017
Read MoreWsusPool keeps crashing: stops again and again
Anime Dude with Retro-futuristic Jetpack Soaring Above Neon-lit Cityscape
  • WordPress

Remove Jetpack email sharing service

Remove Jetpack email sharing service using WordPress plugin or theme functions.php file. It's often abused by spammers

  • Jan ReilinkByJan Reilink
  • On19-05-2017
Read MoreRemove Jetpack email sharing service
a red window with bars on a stone wall
  • Windows Server

What are 4 important security measures for Windows Server & IIS 10?

In this post I address four (4) important actionable security measures for your servers running Windows Server (AD DS, DFS, IIS) and RDP.

  • Jan ReilinkByJan Reilink
  • On15-05-2017
Read MoreWhat are 4 important security measures for Windows Server & IIS 10?
PowerShell 5.0 logo
  • Windows Server

Detect ethernet network speed in Windows

Being able to detect the ethernet network speed using PowerShell or WMI is perfect for Windows Server Core. If you ever need to lookup the speed of your ethernet network card in Windows, on the command-prompt, use one of the following PowerShell / WMIC commands.

  • Jan ReilinkByJan Reilink
  • On12-05-2017
Read MoreDetect ethernet network speed in Windows
Enable Win32 long paths through GPO in Windows Server
  • Windows Server

Enable NTFS long paths through GPO in Windows Server

Windows Server 2016 was finally released last week, meaning we can finally lift the idiotic 260 characters limitation for NTFS paths. For this, you use a GPO or Group Policy Object in Windows Server.

  • Jan ReilinkByJan Reilink
  • On20-10-2016
Read MoreEnable NTFS long paths through GPO in Windows Server
Lego security officer keeping your sites secure
  • WordPress

Akal Premium WordPress theme XSS vulnerability

This post describes the Akal premium WordPress theme Cross Site Scripting (XSS) vulnerability. If you use this theme, delete it immediately!

  • Jan ReilinkByJan Reilink
  • On22-08-2016
  • 1 Comment
Read MoreAkal Premium WordPress theme XSS vulnerability
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  • Windows Server

Free up disk space in Windows Server – 5 extra methods

In this post I provide you with 5 ways to cleanup files and free up disk space in Windows Server 2016 (and older / newer Windows Server version), without using the Disk Cleanup Utility. Reclaim lots of lost gigabytes easy. Disk space usage is still an issue in Windows Server.

  • Jan ReilinkByJan Reilink
  • On16-08-2016
  • 2 Comments
Read MoreFree up disk space in Windows Server – 5 extra methods
PowerShell 5.0 logo
  • Windows Server

List all MAC addresses of all Hyper-V Virtual Machines

You sometimes need to list and get all MAC addresses of all Hyper-V virtual machines in your network. Either for your Hyper-V administration or provisioning if you don't set an unique MAC address automatically. Here is how to get all those MAC addresses easily with PowerShell.

  • Jan ReilinkByJan Reilink
  • On12-08-2016
Read MoreList all MAC addresses of all Hyper-V Virtual Machines
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Posts

DevOps/SysOps Infrastructure as a Service flow

Windows 11 and WSL 2 DevOps environment

2022-08-15
a rusted iron gate with a chain hanging from it

Test SMTP authentication and StartTLS

2014-05-17
Microsoft SQL Server logo

Fix broken WMI provider in SQL Server

2025-08-27
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Use authenticated SMTP over TLS encrypted connections, in PHP, ASP and ASP.NET

2015-05-15
Install IIS and Windows Features using PowerShell

Install IIS in Windows 11 using PowerShell

2024-02-06

I'm in the proces of moving CMS and URLs, expect missing posts and dead links, I'll add them as soon as possible. Many internal links still may end up at the previous version of this blog on a temp. URL.

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Liked a post? Donate via Paypal or direct bank wire-transfer IBAN: NL31 ABNA 0432217258 (Jan Reilink)

  • CVE-2022-35838
  • CVE-2016-10957

About us

Sysadmins of the North. A technical SysOps blog, where topics include Sysadmin, DevOps, computers, servers, web, MySQL, database, virtualization, optimization and security.

  • About Sysadmins of the North

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  • List all SPNs used in your Active Directory
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