How to Know Android MAC Address

Every Network interface device that use TCP/IP protocol (NIC or WNIC) will have a MAC address (Media Access Control address) on it.
By knowing the MAC address of a computer, tablet computer, smartphones, etc, you can set the access such as whether the device is allowed or not to access your network (eg wifi).

To know MAC address on the Android device :
(In the following example, I  use Android 4.3 Jelly Bean)

1. Go to  Settings menu

How To Set VPN Client on Mac

VPN is acronym for Virtual Private Network. It allows the users  to securely access to their Local Area Network or company's intranet from their home or while traveling outside the office.

To set VPN client with PPTP (Point to Point Tunneling Protocol) method on your Mac Computer (MacBook Air, MacBook Pro, iMac, Mac Pro) follow the steps below:

1. Click on Network Icon
2. Choose Open Network Preferences

How to Remote Desktop Windows Using Mac

When you are using an Apple computer ( MacBook , MacBook Pro , MacBook Air , iMac )
and then also you have to work with a Windows computer, do not worry, you don't need two computers on your desk, because on Mac computer you can install the  Windows Remote Desktop.

The requirements to be able to perform a Remote Desktop Windows on a Mac :
• Allow Remote Desktop must be enabled on the Windows computer
• Each computer (Windows and Mac) must be connected to the same network , for example connect to the same wifi SSID ( Service Set Identifier / wireless name ), or connected to the LAN
• You have to know the IP address ( Internet Protocol ) of the Windows computer
• On Mac computers should be installed Remote Desktop Application,

Get Notification When IP Devices Down

If you have devices, server, cctv , etc that connected to the internet using Public IP (Internet Protocol), you can monitor and get notification via SMS or email when those devices have no response, so you can determine to solve the problem quickly.

On Internet there are many providers give  notification service, one is pingdom.com
If you need this service you can register at address above. you can  choose paid or free service.
For free service the address is https://www.pingdom.com/free

Quick Access to Taskbar In Windows 7 Windows 8

To move or toggle quickly from one application to another  in Windows is by using the Alt + Tab. Before you can do this, you need to open the program/application first (the application must be already opened).

But if you put the application in the taskbar, you will be able to toggle the application using keyboard shortcut, even if the application still not be opened. Use shortcut Windows key + number (0-9). The number means : applications that are in the order of the taskbar viewed from left. See the figure.

How to Put Application to the Taskbar in Windows 8

Windows 8 uses modern style (Windows 8-style UI /Metro Interface), but for many applications we still need the taskbar from desktop screen.

Windows taskbar

To insert application shortcut to the taskbar (pin to taskbar) :
• Go to Windows 8-style UI (Metro interface) by pressing the Windows key on the keyboard,
• Type the application that you want to add to the taskbar, for example, I will  add Ms Paint  to the taskbar. Type paint, once it appears right click on it, then the Pin to Taskbar menu will appear at the bottom, click to select.

How to Know IP Address in Windows 8

When your  computer  connected to a network, use LAN cable or use wireless (wifi), it has an IP (Internet Protocol) address.

There are two ways to find out the IP address on a Windows computer, through the Command (DOS) or go to the network connection menu.

Here is to know the IP address in Windows 8 via Network connection icon at the lower right corner (Icon differ between connection via wifi, cable and modem)