Marcelo Toledo

startups, empreendedorismo e tecnologia

Tag Archives: linux

Mandriva is lost

“Lately it’s hard to avoid the buzz about netbooks — the small, cheap laptop systems that were popularized by the Asus Eee PC. Mandriva is providing the innovative operating system for the upcoming GDium netbook system, produced by Emtec. The first GDium will be a netbook with a 10″, 1024×600 resolution display and a battery life of four hours, weighing in at 1.1kg. The innovative G-Key system stores the Mandriva operating system and all the user data on a USB key — nothing is permanently stored inside the GDium. You can use your own desktop and data by plugging the…

No more OS monopoly

I remember the first time I wanted to install Linux, 15 years ago, I had a Compaq laptop where Linux would never work, but I didn’t know that, so I tried over and over again, I knew so much the slackware installer steps that I could do it without looking at the screen. One day I got tired and changed the approach, sold my laptop and built my desktop computer with the pieces I knew would work, it was the fastest computer I ever saw with Linux working like a charm. After this day, I never stopped using Linux. And that’s…

Removing the Big Kernel Lock

“As some of the latency junkies on lkml already know, commit 8e3e076 in v2.6.26-rc2 removed the preemptible BKL feature and made the Big Kernel Lock a spinlock and thus turned it into non-preemptible code again. This commit returned the BKL code to the 2.6.7 state of affairs in essence,” began Ingo Molnar. He noted that this had a very negative effect on the real time kernel efforts, adding that Linux creator Linus Torvalds indicated the only acceptable way forward was to completely remove the BKL. Ingo explained: “This task is not easy at all. 12 years after Linux has been…

Embedded Linux Conference 2008

Rafael Ugolini sent me these awesome links about Embedded Linux Conference 2008, all the videos and reports (from all years): Videos like… Keynote: The Relationship Between kernel.org Development and the Use of Linux for Embedded Applications, by Andrew Morton (Google) UME – Ubuntu Mobile and Embedded, by David Mandala (Canonical) Back-tracing in MIPS-based Linux Systems, by Jong-Sung Kim (LG Electronics) Using a JTAG for Linux Driver Debugging, by Mike Anderson (PTR Group) … Go check: Videos: http://free-electrons.com/community/videos/conferences/ Reports: http://free-electrons.com/articles/conferences/elc2008-report/

Linux 0.01

marcelo@yogananda:~/Desktop/storage/projects/linux-0.01$ ls boot fs include init kernel lib Makefile mm tools   marcelo@yogananda:~/Desktop/storage/projects/linux-0.01$ du -sh . 512K . marcelo@yogananda:~/Desktop/storage/projects/linux-0.01$ ls * Makefile   boot: boot.s head.s   fs: bitmap.c buffer.c exec.c file_dev.c inode.c Makefile open.c read_write.c super.c tty_ioctl.c block_dev.c char_dev.c fcntl.c file_table.c ioctl.c namei.c pipe.c stat.c truncate.c   include: a.out.h asm const.h ctype.h errno.h fcntl.h linux signal.h stdarg.h stddef.h string.h sys termios.h time.h unistd.h utime.h   init: main.c   kernel: asm.s exit.c hd.c Makefile panic.c rs_io.s serial.c system_call.s tty_io.c console.c fork.c keyboard.s mktime.c printk.c sched.c sys.c traps.c vsprintf.c   lib: close.c ctype.c dup.c errno.c execve.c _exit.c Makefile open.c setsid.c string.c…

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