Virtual Embedded Linux Board

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

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• 2 stars: 1 votes
• 3 stars: 2 votes
• 4 stars: 7 votes
• 5 stars: 12 votes

Frequently Asked Questions

How long do I have access to the course materials?

You can view and review the lecture materials indefinitely, like an on-demand channel.

Can I take my courses with me wherever I go?

Definitely! If you have an internet connection, courses on Udemy are available on any device at any time. If you don’t have an internet connection, some instructors also let their students download course lectures. That’s up to the instructor though, so make sure you get on their good side!