Move your WordPress page cache in-memory for faster performance

Using a RAM disk or ‘in-memory cache’ enables you to benefit from the significantly faster speeds of reading data from memory instead of disk. It also removes disk I/O pressure as well as reducing the CPU utilisation of processing your php scripts. It’s fairly easy to configure too. I successfully moved the cache folder for the Hummingbird WordPress plugin, but you can do it for any other plugin or cache folder, such as wp-cache folder or W3 Total Cache plugin etc. The following commands were used on a debian server so the process should be similar for Ubuntu but may vary for other Linux distros.

Continue reading “Move your WordPress page cache in-memory for faster performance”

Create valid PEM key from RSA Private key for Dreamweaver

If you created your RSA Public/Private keys on a mac, you might not be able to create a valid PEM key for some of your apps and this can result in the credentials being rejected when you try to connect to a server. You might see this message:

Error: An FTP error occurred – cannot make connection to host/ Your login or password is incorrect. Please check your connection information.

Continue reading “Create valid PEM key from RSA Private key for Dreamweaver”

Solved: Mac host USB Bluetooth adaptor not available for pass through to guest OS virtual machine

Issue: 3rd party USB Bluetooth adaptor plugged into Mac is not available for pass-through to virtual machine guest OS. Error: “Failed to attach”. I found this issue using Mac OS Catalina 10.15.1 with VirtualBox, but I can see it also being a problem in Parallels and VMware Fusion too.

Continue reading “Solved: Mac host USB Bluetooth adaptor not available for pass through to guest OS virtual machine”