Virtual Embedded Linux Board | Udemy


Virtual Embedded Linux Board | Udemy
English | Size: 605.05 MB
Genre: eLearning

QEMU, Linux, Boot Linux image from uboot to rootfs, Build rootfs step by step

What you’ll learn
Understanding the boot flow in Linux
Configuring u-boot, kernel and root file system
Building u-boot, kernel and root file system
Virtualization using Qemu
Automounting dev, proc and sysfs using fstab
Enable tftp connection to copy files for your board
Enable ssh connection to remotely connect to board
Create users and groups
Enable networking using /etc/network/interfaces
MMC and NFS Boot

Develop your own Virtual board using QEMU having full boot flow from u-boot to rootfs

This comprehensive course will take you step-by-step through engaging video tutorials and teach you all the essential concepts and topics you need to develop your own virtual board.

What will you learn in this course

We will introduce you to QEMU

Use of crosstool-ng to build your own toolchain

Verify your toolchain by writing a simple hello world program

Building latest version of u-boot

Running latest version of u-boot in QEMU

Setting up sd card for saving the u-boot environment

Building latest version of Linux Kernel

Running latest version of Linux Kernel in QEMU

Generating a simple initramfs and using it in QEMU

Building latest version of busybox

Generating an initramfs from busybox image and loading it in QEMU

Booting rootfs from a virtual sd card

Generating a virtual sd card with three partitions and performing full MMC Boot by updating u-boot environment

Setting up environment to perform NFS Boot

Cross compiling kernel modules and applications

Adding support for dropbear to perform ssh and scp operation

Adding support for ssh

Adding daemons like syslogd, klogd and crond

Displaying logo during startup

Customizing inittab, fstab and crontab

Setting up network interfaces using ifup/ifdown (/etc/network/hosts)

Creating users and groups and setting password

Exploring various options of mount command on different filesystems (devtmpfs, sysfs, procfs, tmpfs)

Using strace to debug applications

mdev to set permissions for device nodes

Let me guide you through the highlights of what you’ll learn in this comprehensive program:

1. Essential Linux Commands Galore: syslogd, klogd, dd, losetup, cfdisk, cpio, gzip, mkfs.ext4, mount, umount, mknod,zcat, openssl, scp, ssh, nc, ..

2. Qemu Command Line Options: -M, -append, -initrd, -kernel, -m, -cpu, -nograhic, -net

3. Kernel Configuration: CONFIG_DEVTMPFS_MOUNT, CONFIG_ROOT_NFS, CONFIG_TMPFS, CONFIG_DEFAULT_HOSTNAME, CONFIG_IKCONFIG, CONFIG_IKCONFIG_PROC

4. U-boot configuration: CONFIG_ENV_IS_IN_FLASH, CONFIG_ENV_IS_IN_FAT, CONFIG_ENV_FAT_INTERFACE, CONFIG_CMD_EDITENV, CONFIG_CMD_BOOTD, CONFIG_ENV_FAT_DEVICE_AND_PART

5. Environmental Variables: PATH, ARCH, CROSS_COMPILE, PS1

6. Cross compiling packages : dropbear, strace

7. Boot Types: NFS Boot, MMC Boot, Initrd

8. Linux Files: inittab, fstab, crontab, profile, passwd, shadow, group

There’s no risk either !

This course comes with a 30 day money back guaranteed!. If you are not satisfied with the course, you’ll get your money back

So what are you waiting for, enroll now and take the next step in developing your own virtual board

Who this course is for:
Linux developers who want to have their virtual embedded Linux boaard

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