Android amazing: how you can use android device manager

1.       How to ensure that android device manager can find your device-

For this your device need to have Remote location enabled.

Which you can do by following-

Go to    Google Settings>>Android Device Manager >> Remotely locate this device or simply turn on the GPS on your phone.

2.     Ring your phone

Android amazing : Android device Manager

Android device manager is very helpful tool for every user who has an android phone and everyone must use it. With this tool we can track our lost or stolen phone, remotely ring it, remotely lock it,  delete it contents which can be used by any other person in case phone is lost and even display a lock screen message for anyone who finds it.

To enable the ANDROID DEVICE MANAGER just do following-

Go to Settings>> Security>> Device administrator   , and check the box next to Android Device Manager to enable it. 

Android Amazing: Give app Permission manually

   This post is to tell you that, now we can give permission to apps manually. 

   Some apps want to use your phones data, or communicate with other apps or they want to use some    hardware part of your phone.

  We need to be agree that these apps have permission to use all these things while downloading them   from the google play store.

    But now we can grant permission to these apps manually. For this just do the following:

Android amazing fact : save DATA and MONEY with CHROME

If you are using google chrome to browse the internet on your android phone then you can save data and money by using the following setting in chrome.

Go to Chrome >>Settings >>Data Saver and turn the data saver ON . This setting will reduce the data consumption and save your mobile data and money.

Firewall in Linux (Ubuntu)

This post is to describe how to configure the firewall in Linux machine. This post tells how to enable or disable the firewall.

1.       To check the status of firewall write following command in a terminal

User# sudo ufw  status.

2.       To disable the firewall  write following command in a terminal

User# sudo ufw disable

3.       To enable the firewall write following command in a terminal

User#sudo ufw enable

4.       To enable or disable specific servicees(like SSH )in firewall write following command in a terminal

User# sudo ufw allow ssh (to allow SSH service)

User#sudo ufw block ssh  (to block SSH service)

5.       To allow or block to specific port on firewall write following command in a terminal

User#sudo ufw allow 53 (allow access to port number 53)

user#sudo ufw block 53(block access to port number 53)

6.       If you want to configure firewall in ubuntu without using terminal then you can also install gufw.

Install gufw click this link

To share Files between Computers over network (LAN cable)

To share files between two computers or laptops will need a LAN cable to connect the two systems. To share files do the following;-

1.      Connect the two systems via LAN cable or over a wifi network.

2.      Change the IPv4 values of one system as follows-

IP->192.168.10.1,netmask: 255.255.255.0

3.      Change the IPv4 values of the second system as follows-

IP->192.168.10.2, netmask: 255.255.255.0

4.      Right click on the folder you want to share and go to its properties.

5.      Under Share TAB click on advanced Sharing.

6.      In advanced sharing window click on share this folder, now click on apply and close the window. And you are done.

7.      On other system go to MY Computer and click on Network (Located on left side ). On the window you will see the name of your first computer, double clicking on this will show the folders that you have shared. Now you can Cut, Copy files and folders as normal way.

To Change the Ethernet (MAC) Address Permanently

                                     To Change the Ethernet (MAC) Address Permanently

This post is to describe, How to change the Ethernet address of a LINUX or UNIX machine permanently so that it does not change even after REBOOT. Follow the following steps to change your machine’s Ethernet (MAC) address permanently-

1.                     Check that if there exists a file names  /etc/rc.local , if the file exists then copy the                                  following code to the end of this file

à ifconfig eth0 down

ifconfig eth0 hw ether 00:11:22:33:44:55

ifconfig eth0 up

2            In above lines change eth0 with the interface , of which you want to change the Ethernet address                      and change 00:11:22:33:44:55 with your desired Ethernet (MAC) address. And REBOOT.

To Change the MAC Address of a machine/Computer

Ethernet address is called the physical address and it is unique for each device. However,  You can change it  to hide your identity.

1.       First find your Ethernet address by following command-

#ifconfig  –a| grep  HWaddr

                

It will give the following  output-

   eth0  Link encap:Ethernet HWaddr   00:20:30:50:AB:60

(where eth0 is your network interface and hexadecimal number in italics(00:20:30:50:AB:60) is your Ethernet address.