Question: How Do I Start Yocto?

What is a Yoctometer?

The yoctometer is a unit of measurement of length The metric unit prefix yocto means one septillionth, or one (1) with twenty (23) nulls in front of it, i.e.

0.000,000,000,000,000,000,000,001 or 1×10-24.

That makes one yoctometer equal to one septillionth of a meter..

Is yocto a Linux distribution?

The Yocto Project is a Linux Foundation collaborative open source project whose goal is to produce tools and processes that enable the creation of Linux distributions for embedded and IoT software that are independent of the underlying architecture of the embedded hardware.

What is BitBake in yocto?

BitBake is a make-like build tool with the special focus of distributions and packages for embedded Linux cross compilation, although it is not limited to that. … BitBake is co-maintained by the Yocto Project and the OpenEmbedded project. BitBake recipes specify how a particular package is built.

What is yocto used for?

The Yocto Project is a workgroup initiated by the Linux Foundation in 2010. Its goal is to make it easier to develop Linux-based systems for embedded products. Its main product is an open source build system for creating custom embedded Linux distributions.

What is measured in yocto?

Yocto (symbol y) is a unit prefix in the metric system denoting a factor of 10−24 or 0.000000000000000000000001. It was adopted in 1991 by the General Conference on Weights and Measures. It comes from the Latin/Greek octo/οκτώ, meaning “eight”, because it is equal to 1000−8.

What is poky yocto?

Poky is a reference distribution of the Yocto Project®. It contains the OpenEmbedded Build System (BitBake and OpenEmbedded Core) as well as a set of metadata to get you started building your own distro. To use the Yocto Project tools, you can download Poky and use it to bootstrap your own distribution.

What is a meta layer?

meta-layer: A meta-layer contains the meta data. … meta-fsl-arm is a meta-layer which contains the meta data(configuration and mechines classes and all recipes ) meta-phytec is a layer which contains the meta-data(like conf files, classes, and all recipes)

Is Giga a billion?

Giga (/ˈɡɪɡə/ or /ˈdʒɪɡə/) is a unit prefix in the metric system denoting a factor of a short-scale billion or long-scale milliard (109 or 1000000000). … It has the symbol G. Giga is derived from the Greek word γίγας (gígas), meaning “giant.”

What is a Zeptometer?

A zeptometer is a measurement equal to 10-21meters.

How do you make a yocto?

Follow these steps to add a hardware layer:Find a Layer: Lots of hardware layers exist. The Yocto Project Source Repositories has many hardware layers. … Add Your Layer to the Layer Configuration File: Before you can use a layer during a build, you must add it to your bblayers.

How do you use a Yocto Project?

Set Up the Poky Container to Use the Yocto Project: Go to and follow the directions to set up the Poky container on your build host. Once you complete the setup instructions for your machine, you need to get a copy of the poky repository on your build host.

How do I set up a yocto build environment?

Using Pre-Built Binaries and QEMUInstall the appropriate stand-alone Yocto toolchain tarball.Download the pre-built image that will boot with QEMU. … Download the filesystem image for your target machine’s architecture.Set up the environment to emulate the hardware and then start the QEMU emulator.

How do I add packages to my yocto build?

Adding the Recipe to your ImageAdd Layer Path. After running source oe-init-build-env, the file location of your layer should be added to your bblayers.conf file. … Append the Package. Within the build/conf/local.conf file, add this line anywhere: … Add Package to Image Recipe. … Run bitbake Command. … Types of Pre-Built Images.

How do I install Bitbake on Ubuntu?

Run the commands:$ cd boost_1_38_0.$ ./configure.$ make install.$ sudo apt-get install python.$ sudo apt-get install make.$ sudo apt-get install subversion.$ sudo apt-get install psycho OR.$ sudo python install.More items…•

How do I find my yocto version?

2 AnswersTo know the yocto kernel version you are using, just type bitbake -e virtual/kernel | grep “^PV”And to know the kernel you are using, type bitbake -e virtual/kernel | grep “^PN”