Error “The RPC server is unavailable” – Part 2

Remote Procedure Call (RPC) is an inter-process communication technique to allow client and server software to communicate on a network. The RPC protocol is based on a client/server model. The client makes a procedure call that appears to be local but is actually run on a remote computer. Read More …

Active Directory – Check if a DC is a Global Catalog

There are several ways to find out if a Domain Controller has the Global Catalog role enabled. In this article, Read More …

Check mySQL and MariaDB Server Version

There are circumstances where you need to know the version of your database server, e.g., when upgrading the database or patching any known server vulnerabilities. There are a few ways to find out what the version of your MariaDB server is. Read More …

Check DFS Namespaces (DFS-N) Configuration with dfsdiag.exe

DFS-N, as the name implies, is a distributed file system and it involves a number of components running on a set of computers (Active Directory domain controllers, DFS-N namespace servers, SMB file servers, DFS-N clients that are typically Windows clients, but also Linux ones). Read More …

Convert .pfx SSL certificate to .key or .pem format

In the last years Internet have seen a lot of changes, especially in terms of security standars and requirements for almost every website published on the web. Read More …

Retrieve “Password Last Set” and Expiration Date (PowerShell)

In this post we will look how to retrieve password information, in an Active Directory domain, to find out when Read More …

Common WiFi RADIUS configuration Issues

This article discusses common configuration errors when implementing WPA2 Enterprise with PEAP-MSCHAPv2, using a Windows 2008 NPS environment for error Read More …

Monitoring HDD health on Linux (smartmontools)

S.M.A.R.T., that means “Self-Monitoring, Analysis, and Reporting Technology”, is a system in modern hard drives designed to report conditions that Read More …

Change Time Zone – User mailboxes in Exchange 2010/2013/2016/Online

Let’s see how to change time zone in Exchange Server. Let’s say a previous Administrator built the server with the Read More …