The latest in tech, SysOps, personal growth, scripting, servers, virtualization and databases curated for you daily.
Jan Reilink 
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.
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.
9+ Practical tips to optimize WordPress hosting - or for any other PHP web application for that matter. Learn optimizing your WordPress hosting
It all started by auditing Pornhub, then PHP and ended in breaking both… We have gained remote code execution on pornhub.com and have earned a $20,000 bug bounty on Hackerone. We have found two use-after-free vulnerabilities in PHP's garbage collection algorithm. Those vulnerabilities were remotely exploitable over PHP's unserialize function.
Move WordPress to HTTPS correctly. Learn the Site Health switch, database search and replace, IIS/Apache redirects, HSTS hardening, and OpenSSL verification.
Are you running into MySQL load problems? InnoDB Buffer Pool optimization is an important step in tuning MySQL servers for a heavy InnoDB workload. Configuring innodb_buffer_pool_instances and increase read/write I/O threads. Dividing the InnoDB buffer pool into multiple instances can improve Disk I/O. And by doing so, you run your database & server more efficiently and faster. Here is a little help for you.
Learn to migrate KMS from Windows Server 2008 R2 to Windows Server 2012 R2 and KMS Activation Known Issues.
When you start to play with Windows Server 2016 and IIS 10, you'll get an error when you try to install the IIS URL Rewrite Module in IIS. The error occurs because the URL Rewrite Module installer contains an invalid version check for the IIS being used. Here is how to install IIS URL Rewrite Module 2 in IIS 10...
Blacklist check script written in PowerShell, to easily lookup an IP address status in various blacklists (DNSBLs, RBLs)
The AppCmd.exe command is your one-stop-shop for administering Windows Server IIS web servers. In combination with WinRM it is your Swiss Army knife for your daily routine. This post introduces appcmd and provides you with a lot of helpful appcmd examples.
Get the current number of active FTP client connections on your Windows Server IIS FTP Service using the Get-Counter cmdlet and the Microsoft FTP Service Current NonAnonymous Users performance counter.
Windows PowerShell is an important tool in Windows Server for administrators. You can use PowerShell for Windows Server administration, software installation, automation, and shell/command-prompt scripting.
This post walks you through the steps necessary to install the SQL Server driver and SQLSRV extension for PHP 7+, on Windows Server IIS of course.
Schedule WordPress database optimization with WP-Cron.
Learn to protect your WordPress website with this web.config file on Windows Server IIS. Block IP addresses, bad bots, query string sequences
Fix for IIS URL Rewrite Module error "Rewrite Module error: Expression contains a repeat expression"
Using Windows Server File Server Resource Manager‘s File Screens you can block vulnerable WordPress plugins from being uploaded to your IIS web server. In the following example, you'll learn how to block WP DB Backup plugin system-wide on Windows Server, read on…
The WordPress WP-Super-Cache cache plugin doesn't minify HTML cache files, which I find a disadvantage. Knowing minify libraries, I went looking for an existing solution (why reinvent the wheel?), and found one: WPSCMin. Read on ...
Regular maintenance of a Windows computer significantly improves performance and reliability. Manual execution of maintenance tasks complements the automatic maintenance already scheduled by Windows, giving users greater control over how system resources are managed and how repairs are conducted. This article explains how to use tools such as SFC, DISM, CHKDSK, and disk defragmentation.
How to fix upgrades to Magento 2.0 in PHP 5.6 and higher: PHP 7+.