… and the guest server VM won’t rebootRead More
Here is how to increase WordPress’ memory limit (WP_MEMORY_LIMIT) properly. I see this done wrong over and over again in WordPress plugins and themes. In a worst case scenario this may even decrease the available amount of memory for WordPress! So be careful with the advice you follow. In this post I show you one correct way of setting WordPress WP_MEMORY_LIMIT and PHP memory_limit settings.Read More
There are a lot of hints & tips out there for troubleshooting SPNs, or Service Principal Names. Listing duplicate SPNs is fairly easy, just use
setspn -X on your command-line and you’ll find out. But how do you find out which SPNs are used for which users and computers are used for this?
Users can install and run multiple versions of the .NET Framework on their computers. When you develop or deploy your app, you might need to know which .NET Framework versions are installed on the user’s computer.Read More
If you need to restore a single table from a full MySQL backup, you may find yourself wondering “how do I do that?”. There are a few steps required, I outline them here for you to restore the contents of just one table back into the database from the mysqldump using Bash.Read More
How to flush Postfix’ mail queue from the command line and delete all mail from the queue? Easy, use the Postfix
postsuper command as explained in this post. The
postsuper command controls different types of queues in the Postfix mail system, like the deferred or hold queue. This post shows you some Postfix queue operations to maintain your mail servers.
The WordPress XML-RPC API has been under attack for many years now. Back in August 2014, WordPress released version 3.9.2, fixing a possible denial of service issue in PHP’s XML processing. There are brute-force amplification attacks, reported by Sucuri, and so on. So, how do you protect WordPress from xmlrpc.php attacks, but still being able to use (some of) its functionality like Jetpack? This post gives you some insight.Read More
Sometimes you find your WSUS server keeps crashing over and over again. WSUS is unavailable and/or the WSUS management console hangs. When you start to investigate as to why Windows Server Update Services crashes, you’ll notice the following error message being logged in the HTTPErr log files:Read More
Recently the WordPress Jetpack email sharing service is often abused by spammers. They use the Send to Email Address for sending spam. All these kind of “Tell a Friend” scripts are abused a lot. Here is how to disable email share service in Jetpack.Read More
When you have just installed your new Windows Server, with or without IIS as web server, it is important to take a few extra security measurements. Securing your server is important to keep hackers out and your data safe. This article shows
3 4 key steps in securing your Windows Server web (IIS) or file server.