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TERMINAL CONVERT PICTURE SIZE HOW TO
TERMINAL CONVERT PICTURE SIZE INSTALL
TERMINAL CONVERT PICTURE SIZE FULL

Linux commands are entered via a Terminal instance.

It is assumed that all Linux commands are carried out directly on the Raspberry Pi (not via a PuTTY SSH connection etc.).

This method is only good for Raspbian images having two partitions, so won't work with NOOBS, RetroPi etc.

The ability to accurately and blindly follow written instruction.

A little patience as the writing process may take a while,.

Some knowledge of Linux is always useful,.

Target uSD card to write the compressed Image to (could be the same as 4.).

Target uSD card to read the uncompressed Image for backup,.

External USB HDD for Raspberry Pi (big enough to hold your backed up images, in this instance mine is labeled '1TBFREECOM' and oddly enough is 1TB in size, which is more than ample for the needs of this Instructable),.

uSD USB card reader for your uSD card to be backed up,.

Raspberry Pi 3 + Jessie Image installed (in this case I used : -raspbian-jessie.img) with monitor, mouse and keyboard etc.,.

To set the system up such that you can successfully carry out the instructions you will need the following

TERMINAL CONVERT PICTURE SIZE HOW TO

it assumes you know how to use Win32DiskImager to write an image. How to write your backup image to a uSD card (via Linux command line only.How to create your compressed backup image,.

How to read and store an Image from a uSD card (via Linux command line and with Win32DiskImager),.

TERMINAL CONVERT PICTURE SIZE INSTALL

How to install prerequisite software on Raspberry Pi to allow image resizing.The Instructable will cover the following topics The following text details how you can make more efficient backups of your images.Īs mentioned above this Instructable documents how to efficiently make backups of your critical Raspberry Pi images, compress them such that they occupy the least possible space and can potentially be transferred to a uSD card of smaller size. If you use the Win32DiskImager read method you can only write to the exact same or bigger card size.Did you want to downsize your Raspbian image from one card to another but can't?.a 16GB uSD card from one manufacturer may not be exactly the same size as from another. This is because not all card sizes are the same ie.Have you ever found Win32DiskImager fails to write a backup Raspbian image even when you are writing to a 'like for like' uSD card of the same stated size, just a different make?.

TERMINAL CONVERT PICTURE SIZE FULL

This happens when you re-size your image (via raspi-config) to make use of the full uSD card even if you end up not using much of the card space, the saved image will still be the same size as the uSD card.Have you ever noticed the size of your Rasbian image is that of the card you took the copy from and does not reflect the size actually being used?.Well, unfortunately that's not the whole story. Surely all I need to do is use Win32DiskImager and take a read of my Raspbian Image and zip it right?