Written by a leading developer and maintainer of the Linux kernel, Linux Kernel in a Nutshell is a comprehensive overview of kernel configuration and building, a critical task for Linux users and administrators. …
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Category: Linux kernel
“It’s two weeks (and one day), and the merge window is over,” began Linus Torvalds, announcing the 2.6.27-rc1 kernel. He continued, “finally. I don’t know why, but this one really did feel pretty dang busy
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“I’ve put together an automatic system for applying kernel security patches to the Linux kernel without rebooting it, and I wanted to share this system with the community in case others find it useful or interesting,” said Jeff Arnold, announcing ksplice
Howto: Harden the Ubuntu Linux Kernel with sysctl
“I skipped the public announcements for versions 5 and 6, but here is 7 :),” noted Vegard Nossum, announcing the latest release of his kmemcheck patch, currently applying against the 2.6.25-rc8 kernel. Vegard noted he is now hoping to get the patch merged into the mainline kernel during the upcoming 2.6.26 merge window.
“kmemcheck is a patch to the linux kernel that detects use of uninitialized memory. It does this by trapping every read and write to memory that was allocated dynamically (e.g. using kmalloc()). If a memory address is read that has not previously been written to, a message is printed to the kernel log.”
kmemcheck Aiming For Mainline Inclusion | KernelTrap
Issues reported during the suspend-to-disk process lead Linux creator Linus Torvalds to suggest, “please – just make the f*cking suspend-to-disk use other routines already. 99% of all hardware needs to do exactly *nothing* on suspend-to-disk, and the ones that really do need things tend to need to not do a whole lot.” He went on to explain why sharing the code path for suspend-to-disk and freezing to RAM is wrong:
Suspend and Freeze Paths | KernelTrap
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