Jan Reilink 
Windows Server
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Compressed SQL Server backups can be verified in PowerShell using a handy PowerShell function. This comes in handy when you need to verify if existing SQL Server backups are compressed.
Windows Server
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Unzip a file on your PowerShell command-prompt may come in handy sometimes, even on your Windows 11/10 workstation. Use Expand-Archive for this, and all that is required is PowerShell 5.0+, or the .NET 4.5+ Framework to use System.IO.Compression.ZipFile.
GNU/Linux
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Learn how to restore a single table from a full MySQL mysqldump backup file using Bash shell in Linux
WordPress
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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.
Windows Server
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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.
WordPress
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Remove Jetpack email sharing service using WordPress plugin or theme functions.php file. It's often abused by spammers
Windows Server
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A quicky: merge or concatenate multiple text or log files into one new file in Windows, using copy in cmd.exe or Get-Content in PowerShell.
Windows Server
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In this post I address four (4) important actionable security measures for your servers running Windows Server (AD DS, DFS, IIS) and RDP.
Windows Server
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Disable SMBv1 on WIndows, if you haven't done so yet. Prevent Petya / NotPetya, WannaCrya / Wanacryp0r randsomware spreading through your network.
Windows Server
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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.
Windows Server
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How to restrict automatic NS resource record registration in Windows Server DNS with Dnscmd and the DisableNSRecordsAutoCreation setting.
WordPress
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Check WordPress integrity and verify WordPress Core files' md5 checksums against WordPress' checksums API, using this standalone PHP file.
Windows Server
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Enable NTFS long paths and lift the idiotic 260 characters limitation for NTFS paths. You use a GPO or Group Policy Object in Windows Server or a registry key value to set LongPathsEnabled.
WordPress
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Clear PHP opcode caches before WordPress core-, plugin- and theme updates are applied, easing the updating process. Popular PHP opcode caches are OPcache, WinCache and APC. This little WordPress Must Use Plugin tries to flush opcode caches, making your live a bit easier when updating WordPress Core, Plugins and Themes.
WordPress
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How to measure WordPress loading time and executed database queries? During an HTTP request, WordPress executes a lot of queries on your MySQL database. Not just the database queries take time, also loading and executing PHP takes time.
Web applications
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WinCache's object cache backend for WordPress on IIS cut the number of database queries per page from 31 to 12 and lowered the page generation time.
WordPress
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Learn how to benchmark WordPress using simple load and speed testing with ApacheBench.
Windows Server
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The best paper I have read on building Indicators of Compromise (IOCs) with Windows Event IDs, plus a SANS series on Windows event logs for forensics.
WordPress
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Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog!
WordPress
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This post describes the Akal premium WordPress theme Cross Site Scripting (XSS) vulnerability. If you use this theme, delete it immediately!