Raspberry Pi boards support number of Operating System flavor. Raspberry Pi OS images come as .img format. These images are compressed into a .zip or .gz for distribution.
Following article shall use “Raspbian” operating system for tutorial.
- Formatting SD card
A single SD card can be re-used to try different OSes (unless off course you plan to buy multiple cards). A SD card is partitioned into multiple partitions during the process of OS installation. There are instance where a portion of memory is left un-allocated (can be checked with any disk manager)
For instance, following picture shows 2 partition of the SD card (Disk 2).
a. boot partition b. Ext partition.
Format the SD card to recover all partition and memory into a single partition. You can write a new image on the card after format is complete.
- Writing OS image (.img) to SD card
- Download Raspbian full desktop version from here.
- Unzip the package.
- Write .img to SD card using Win32 Disk Imager.
You card is ready to boot.
- Booting up the board
- Insert the card into sd card slot on RPi.
- Connect your monitor to HDMI port along with a keyboard/mouse on USB ports.
- Power on the device.
- OS installation will take some time. After installation, the default user “pi” with auto-logon. (default password : raspberry)
- Check network interfaces using “ifconfig -a” command in cli
- On the top right corner, look for wifi signal icon. It should show you any available Wi-Fi connections.
- Connect and again check interface status as in step 5 above