WordPress – Disabling XML-RPC and Rest API to improve security

In WordPress we have always had inbuilt features that let us remotely interact with our site. We have two different approaches available: XML-RPC, a legacy method, or the newer Wordpress REST API that simplifies the remote interactivity and development of external apps. We can disable both of them if we do not need any remote access to the site and/or we do not use any app for the Wordpress resource. Read More …

VMware vMotion – Error “Different offload or security policies”

This unable to migrate error indicates that the source and destination servers have different security or offload settings configured on the virtual switch or portgroup that the virtual machine is connected to and usually is related to Traffic Shaping options enabled not on all physical hosts. Read More …

Microsoft – Changing SID of cloned VMs

On the machine level, every computer is identified by a unique value; named Security ID or SID. SID is calculated in the process of the installation of every Windows machine. Whether the computer is part of the workgroup (or it’s just a stand-alone computer), the value of SID is not crucial. Read More …

Linux – Make immutable a file

The chattr command is used by system administrators to restrict the users from changing a file in a particular way or even the administrator can by mistake delete a critical file because of a mis-typed command. But if the immutable flag is set, these mistakes can be avoided. Read More …