Sysadmins of the North

Check WordPress integrity and verify WordPress Core files' md5 checksums against WordPress' checksums API, using this standalone PHP file.

Windows Server 2016 was released last week, meaning we can finally lift the idiotic 260 characters limitation for NTFS paths.

Clear PHP opcode caches before WordPress core-, plugin- and theme updates are applied, easing the updating process.

How to measure WordPress loading time and executed database queries?

Learn how to benchmark WordPress using simple load and speed testing with ApacheBench.

Gzip compress and serve WP-Super-Cache or Cache Enabler static HTML files, to supercharge your WordPress blog!

This post describes the Akal premium WordPress theme Cross Site Scripting (XSS) vulnerability.

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.

You sometimes need to list and get all MAC addresses of all Hyper-V virtual machines in your network.

9+ Practical tips to optimize WordPress hosting - or for any other PHP web application for that matter.

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.

Move WordPress to HTTPS correctly.

Are you running into MySQL load problems?

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.

Blacklist check script written in PowerShell, to easily lookup an IP address status in various blacklists (DNSBLs, RBLs) The post PowerShell blacklist check script: find an IP address’ blacklist status & reputation appeared first on Sysadmins of the North.

The AppCmd.exe command is your one-stop-shop for administering Windows Server IIS web servers.

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.

This post walks you through the steps necessary to install the SQL Server driver and SQLSRV extension for PHP, 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.

Fix for IIS URL Rewrite Module error "Rewrite Module error: Expression contains a repeat expression" The post IIS URL Rewrite Module “Rewrite Module error: Expression contains a repeat expression” appeared first on Sysadmins of the North.

Using Windows Server File Server Resource Manager‘s File Screens you can block vulnerable WordPress plugins from being uploaded to your IIS web server.

How to install Elasticsearch on CentOS 6.7.

In this article I’ll show you how to install Varnish Cache on CentOS, version 6.7 in this case.

The WordPress WP-Super-Cache cache plugin doesn't minify HTML cache files, which I find a disadvantage.

Regular maintenance of a Windows computer significantly improves performance and reliability.

How to fix upgrades to Magento 2.0 in PHP 5.6 and higher: PHP 7+.

OpenSSL comes in handy when you need to generate passwords or random strings.

Verifying PowerShell exit code using the $?

Learn how to get the Hyper-V guest virtual machine serial number with PowerShell, this is ideal for automated deployments with WDS or docs The post Get Hyper-V guest serial number with PowerShell appeared first on Sysadmins of the North.

Learn to block Baidu spider (BaiduSpider user agent) properly, because it is a real pain to block.

Optimize PHP OPcache configuration and make it perform even better.

A web.config file for WordPress on Windows Server IIS.

Set up HTTP Strict-Transport-Security (HSTS) response header in Windows Server IIS 10, here is some more technical information about HSTS in IIS, and other security headers...

Send mail over authenticated SMTP using TLS, in PHP, ASP and ASP.NET.

Tunnel Remote Desktop over SSH with PuTTY: Have you ever been in a situation where you needed to perform remote administration on a Windows Server, and the RDP port 3389 is blocked on a firewall?

Schedule a PowerShell script to monitor local services in your Windows Server environment The post Monitor Windows services with PowerShell appeared first on Sysadmins of the North.

To get and set File Server Resource Manager NTFS quota you now have to use PowerShell FileServerResourceManager cmdlets.

By default, an IIS application pool (or "AppPool") recycles on a regular time interval of 1740 minutes, or 29 hours.

A change in PHP's default_charset php.ini setting causes HTML output to break if you try to set a different charset in your HTML head.

Learn how to turn off swap in Bash, because when a swap partition is enabled Linux starts swapping, which may degrade (MySQL) system performance The post Turn off swap appeared first on Sysadmins of the North.

Here is how to install software packages during a Windows Deployment Services (WDS) deployment, without Microsoft Deployment Workbench (available in the Microsoft Deployment Toolkit, or MDT).

Easily setting up a monitoring service for websites and services using Monit on Ubuntu/Hyper-V, following these steps.

Relive the golden age of PC gaming.

Sometimes you need to find all files owned by a specific user, recursively on your Windows Server NTFS file system.

With thousands spam reactions, disabling (and removing) WordPress comments is often the only way to go.

Utilize your cmd.exe or PowerShell command-line and use Deployment Image Servicing and Management (DISM) to clean up the Windows Component Store (WinSxS) in Windows Server.

ECN is an optional feature that may be used between two ECN-enabled endpoints when the underlying network infrastructure also supports it.