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ASP.NET web application monitoring in Zabbix, part 2
When you host multiple websites in IIS, and you need to monitor them, Zabbix … Read More
Hugo development environment in WSL 2
This post helps you in setting up an not-so-standard (but fun) development environment for your static site created in Hugo. This was how to install and configure Hugo for static site development in WSL on Windows 11/10.
How to fix System.Collections.Generic.KeyNotFoundException “The given key was not present in the dictionary” Exception with MySQL Connector/NET and utf8mb4 character set
An System.Collections.Generic.KeyNotFoundException “The given key was not present in the dictionary” can be the result of using a too old MySQL Connector/NET version in your ASP.NET web application.
SSL in WordPress: how to move WordPress to HTTPS? The definitive guide
Having an SSL certificate in your WordPress is the de-facto standard nowadays, did you know that? Google ranks sites having HTTPS higher in their SERP. But in WordPress, how do you configure an SSL certificate and HTTPS URL? You’ll learn the important steps to move WordPress from http to https
AppCmd introduction and examples
AppCmd.exe is a command-line utility to manage Windows Server IIS 7+ web servers. The AppCmd command is your one-stop-shop for administering Windows Server IIS web servers. In combination with WinRM it’s your Swiss Army knife for your daily routine. This post introduces appcmd and provides you with a lot of helpful appcmd examples.
Minify WP-Super-Cache HTML cache files: WPSCMin a WP-Super-Cache plugin
The WordPress WP-Super-Cache cache plugin doesn’t minify HTML cache files, which I find a … Read More
PHP 5.6 default_charset change may break HTML output
An important note for everyone who’s upgrading from PHP 5.4 and PHP 5.5 to PHP 5.6: the PHP default_charset in php.ini changed from “empty” to UTF-8, often breaking sites after upgradiong from PHP 5.4 and PHP 5.5 to PHP 5.6. UTF-8 encoding breaks when upgrading PHP 5.6 to PHP 7.0. Fix
PHP with ini_set( ‘default_charset’, “” ); or in your php.ini with default_charset = “”.
Redirect HTTP to HTTPS
In this post I provide you various HTTP to HTTPS redirection methods, for Windows Server IIS and Linux Apache. In web.config and .htaccess. Use these examples to your advantage to secure the traffic between your visitors and your website.
Redirect old URL to new URL or send 404 page with PHP
Redirect pages with PHP. If you’ve moved some old PHP pages, or URLs, to new pages and URLs, you can use the following PHP code snippet to easily redirect all visitors and incoming requests to the new location. This PHP code snippet uses a 301 Moved Permanently redirect, perfect for SEO.
Conditionally start Application Pools on remote IIS web servers
Here is how to start stopped application pools on IIS with AppCmd or PowerShell in a loop.
In my routine, I occasionally have to start multiple website application pools when they are in a stopped state. On more than one web server. Being a lazy system administrator, I find it too much work to log on every server. Therefore I start those application pools in a loop. A condition for me to start application pools is that the IIS ApplicationPool.AutoStart Property is set to true. This is because I set autostart to false when I disable hacked websites, and those application pools may not be started until all problems are resolved of course.
Check website availability with PHP and cURL
Perform a PHP cURL request to check if your website is up or not. Verify your website’s online status and availability using just PHP. This script comes in handy because website uptime and availability is important, and you want your website to be always online available. If your website is down, it’ll send you an email to notify you about downtime.
Exploit PHP’s mail() to get remote code execution
If you are able to control the 5th parameter of the mail() function ($options), you have the opportunity to execute arbitrary commands. Remote Code Execution (RCE) in PHP mail()
Send authenticated SMTP email over TLS from WordPress
How to configure TLS for SMTP email in WordPress. I was suprised WordPress is … Read More
8 Tips to improve Joomla performance
Speed-up Joomla with just a few config settings: 8 Tips to improve Joomla performance. Add caching, gzip compression, set your sessions & optimize MySQL database functions… Provide your visitors with a blazing fast Joomla website!