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 …

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 …

Postfix – SMTP E-Mail Relay for Office 365

Postfix is a flexible mail server that is available on most Linux distribution. Though a full featured mail server, Postfix can also be used as a simple relay host to another mail server, or smart host. This tutorial will describe how to configure Postfix as a relay through Office 365 service, so using Exchange Online. Read More …

Windows Server 2016 – Disable Internet Explorer Enhanced Security Configuration

In most Windows Server systems, Enhanced Security Configuration (IE ESC) is designed to protect a server from dangerous websites capable to infect system with malware. When this mode is enabled (it is by default) you will need to add each website you want to see to the Trusted Sites Zone to open all its content in IE. Read More …

Managing Uploads, Timeouts and PHP Limits in Nginx and Apache

There are software likes Apache, Nginx, PHP, and phpMyAdmin have multiple configuration settings that define and set limits to: Memory Usage (Allocation), PHP Script Run Times, Upload File Sizes. Read More …

Setup NFS Server on Windows Server 2012

Setting up the server as the base operating system for the NFS server, we used a virtual machine with 2 Read More …

Methods for Hardening Virtual Machines (VMware)

The official vSphere Security Guide makes a number of recommendations around best practices for virtual machine security. There are also Read More …

VMware – vSphere Virtual Cores, Virtual Sockets, and Virtual CPU (vCPU)

VMware introduced multi core virtual CPU in vSphere 4.1 to avoid socket restrictions used by operating systems. In vSphere a Read More …

Disable The Snap View Feature In Windows 8.1

Aero Snap, Aero Peek and Aero Shake are the three nice features introduced first with Windows 7 operating system. The Read More …