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 …

MacOS – Edit hosts file

If you are setting up a new web server or another device that’s going to be connected to the internet and you want to put it through its paces before it’s live, or if you’re having trouble with spyware and adware networks, there’s an invisible file on your Mac that can help. It’s called the hosts file, and this is how to use it. Read More …

Active Directory – Schema Master FSMO Role

Schema Master is another FSMO role which is responsible for making changes to the Active Directory schema. The schema stores descriptions of all Active Directory classes and attributes (LDAP://cn=schema,cn=configuration,dc=). Read More …

Windows 10 – Change Network Adapter Priorities

This article explains how to change the priority of the network adapter in Windows 10 so that they follow a specific order. If you have multiple network connections, you can change the priority, so the network you prefer will be the first one to use instead. Read More …

Changing the Timezone (Microsoft Windows)

Timezone is a critical settings on client and server systems. This setting is a “computer-wide” setting, not a per-user setting, so we will not be able to set a specific timezone for a specific user, on Windows systems. Read More …