On Fri, Mar 11, 2022 at 6:59 AM John A <j...@aronetics.com> wrote: > > Where's the web address? Are you asking about my blog address? It's https://blog.freeark1.tv
Thank you for your interest. > > V/r, > John > > aronetics.com > We Speak IT® > > --mobile-- > ________________________________ > From: Amit Kumar <free.amit.ku...@gmail.com> > Sent: Thursday, March 10, 2022 8:15 PM > To: Rogério Valentim Feitoza da Silva; Kernel Newbies; to...@tcarey.uk > Subject: Re: A blog for kernel development > > Hi, > Thank you for your replies. > I am just laying the foundation. After a couple of weeks, I will start > posing about the Linux kernel on my blog. > I am also planning to give online Linux kernel training after some > time. This might be free. > So, keep in touch. > Regards, > Amit Kumar > On Thu, Mar 10, 2022 at 10:47 PM Rogério Valentim Feitoza da Silva > <rogerio.silva3...@gmail.com> wrote: > > > > On Thursday, 10 March 2022, Amit Kumar <free.amit.ku...@gmail.com> wrote: > >> > >> Hi, > >> Your mail is very inspirational. > >> My aspiration of becoming a Linux kernel developer is very old. > >> https://lore.kernel.org/all/1482241064-7504-1-git-send-email-free.amit.ku...@gmail.com/ > >> I used to be a Java developer. Due to my personal problems, I have > >> been distracted for a long time from my career. > >> Now, I am back in my career and decided to give a try again to my > >> aspirations. I want to create such a blog that lead a newbie step by > >> step in becoming a Linux kernel developer. > >> So if Linux is written entirely in C and C programs everytime take > >> main function right, okay where is main function of kernel? > >> A kernel runs in a freestanding environment i.e. there is no libc > >> available. In other words, kernel runs on the bare metal, we use > >> assembly language and linker script to set up everything on our own. > >> https://elixir.bootlin.com/linux/v5.17-rc7/source/init/main.c#L927 > >> Last but not least, Robotics is on my radar. > >> > >> Regards, > >> Amit Kumar > >> > >> > >> On Thu, Mar 10, 2022 at 7:38 AM Ozgur Kara <oz...@goosey.org> wrote: > >> > > >> > > >> > > >> > 10.03.2022, 04:30, "Amit Kumar" <free.amit.ku...@gmail.com>: > >> > > >> > Hi, > >> > > >> > > >> > Hello, > >> > > >> > maybe if you want to be a kernel developer you should go to some > >> > reference sources before that. > >> > > >> > Really Important: The C Programming Language > >> > > >> > 1. Understanding Linux Kernel (I/O and Process Management > >> > 2. Understanding Memory Addressing > >> > 3. Understanding Processes > >> > 4. Understanding Intterupts > >> > 5. Understanding Timing and Clock > >> > 6. Kernel Address Space > >> > 7. Kernel Namespaces > >> > 8. System Calls > >> > 9. Signals > >> > > >> > A) Linux Device Drivers > >> > > >> > 1. Module > >> > 2. Communication > >> > 3. Buffer Character and Blocks > >> > 4. Pooling > >> > 5. User Space and Kernel Space > >> > 6. Learn Linux kernel header file > >> > > >> > B) Kernel Internals > >> > > >> > 1. Boot Loader (Booting) > >> > 2. Virtual File Systems > >> > 3. Caching and Paging > >> > 4. Task Structure > >> > 5. Scheduler > >> > 6. Queue > >> > 7. File Structure > >> > 8. IPC > >> > 9. Synronization > >> > 10. Data Types in the kernel > >> > 11. PCI and USB > >> > 12. DMA > >> > > >> > so as soon as you know these you are already in an active kernel > >> > developer mode but you probably have to be very interested in hardware. > >> > So the Linux kernel is not just software and almost all developers > >> > strive for hardware compatibility. > >> > > >> > Operating System standards (POSIX) are already largely complete on Linux > >> > and you can bid and join workgroups for porting a new software solution > >> > for example a new filesystem. > >> > > >> > Regardless of your hardware knowledge and C knowledg will be declared > >> > you a "developer" and for example i dont even know most of them and i > >> > have been using Linux for many years and sometimes i even heard words > >> > when my C skills were not enough they fired me from there :) > >> > > >> > but don't be discouraged by it, its good keyword: > >> > > >> > "Just For Fun" > >> > > >> > yes, do everything to be fun and learn. Now download a linux kernel, > >> > unzip it and examine source codes. > >> > Check out inside Documents and then open kernel menu and play with some > >> > changes and try to compile. > >> > > >> > if you dont get an error, boot and run from new kernel and test. in this > >> > case, learn bootloader, initramfs and actuall real kernel file where is > >> > it and what is size for example? > >> > > >> > An example question: > >> > > >> > So if Linux is written entirely in C and C programs everytime take main > >> > function right, okay where is main function of kernel? :) > >> > > >> > Good Luck and always include your research on these in your blog. > >> > Regards > >> > > >> > zgur > >> > > >> > > >> > https://blog.freeark1.tv/2022/03/a-blog-for-linux-kernel-development.html > >> > > >> > I am thinking of sharing everything which will lead a normal > >> > application developer to become a Linux kernel developer. This will be > >> > just my journey journal to become a Linux kernel developer. Please, > >> > feel free to share your views so that I can serve the purpose. > >> > > >> > Regards, > >> > Amit Kumar > >> > > >> > On Sat, Mar 5, 2022 at 8:55 AM Amit Kumar <free.amit.ku...@gmail.com> > >> > wrote: > >> > > >> > > >> > Hi, > >> > I have started this mail thread to interact with other kernel > >> > learners. I am also running a blog for stuff related to Linux kernel > >> > development. > >> > https://blog.freeark1.tv > >> > When a new post will appear on this blog I'll mail it on this thread. > >> > Soon I'll start posting about kernel development. > >> > > >> > Regards, > >> > Amit Kumar > >> > >> _______________________________________________ > >> Kernelnewbies mailing list > >> Kernelnewbies@kernelnewbies.org > >> https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies > > > > Userspace applications also run on bare metal, but they run on user mode > > (in x86 that's ring 3) and need the kernel's system call interface (in x86 > > that's the 129th CPU interrupt, called using "int 0x80" or "int 128", and > > in ARM, the SWI instruction is used) to do kernel-only tasks such as file > > I/O, process management and networking. > _______________________________________________ > Kernelnewbies mailing list > Kernelnewbies@kernelnewbies.org > https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies _______________________________________________ Kernelnewbies mailing list Kernelnewbies@kernelnewbies.org https://lists.kernelnewbies.org/mailman/listinfo/kernelnewbies
