Raspberry Pi – Controlling PWR and ACT LEDs (Red and Green LEDs)

Raspberry Pi models have a few built-in LEDs; the modern models have a PWD and a ACT LEDs, that can be turned off quite easily directly by software, to save a bit of mW (energy) and letting it to run without disturbing lights. Read More …

VMware ESX – Shared Disk Between VMs

In VMware virtualization environments (as a rule in clustering scenarios) it may be necessary to share the same disk (vmdk or RMD) between 2 (or more) virtual machines (VMs) on VMWare ESXi. The most optimal way is to use the vmdk disk physically located on the shared storage or locally on the ESXi host and this can be done following some specific configurations to be able to access data between different VMs on the same storage. Read More …

Linux – Disabling a webcam or USB ports

Disabling the access to a specific USB device or storage by terminal, in Linux Ubuntu, can be quite useful sometimes, so here is a specific article: disabling a webcam or USB ports, on Linux. Read More …

Fix Master Browser (MRXSMB) Event ID 8003

The Event ID 8003 (Master Browser) error messages, on some Windows Server systems (specially older ones) is probably one of the most searched on this environments due to the fact that this event is linked to WINS (the predecessor of DNS on Windows systems) and the Computer Browser system service (still available even on newer Windows 10 clients and Windows Server). Read More …

Active Directory – Recycle Bin Feature

If an object has been deleted in your Active Directory, and you want it recovered, there are a number of things you can do. Simply put, ADRB allows you to recover objects immediately, without the need to use your System State backups, latent sites, or 3rd party add-ons. Read More …