Updating kernel how to

View all Posts Gabriel Cánepa Gabriel Cánepa is a GNU/Linux sysadmin and web developer from Villa Mercedes, San Luis, Argentina.

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With the recent craziness of Meltdown and Spectre , I’ve seen lots of things written about how Linux is released and how we handle handles security patches that are totally incorrect, so I figured it is time to dust off the text, update it in a few places, and publish this here for everyone to benefit from.

I would like to thank the reviewers who helped shape the original whitepaper, which has helped many companies understand that they need to stop “cherry picking” random patches into their device kernels.

Without their help, this post would be a total mess.

All problems and mistakes in here are, of course, all mine.

The Linux kernel is the largest collaborative software project ever.

In 2017, over 4,300 different developers from over 530 different companies contributed to the project.

UTF-8 rd_NO_MD SYSFONT=la tarcyrheb-sun16 crashkernel=auto KEYBOARDTYPE=pc KEYTABLE=uk rd_LVM_LV=vg_xs/lv_root rd_NO_DM audit=0 initrd /initramfs-4.11.1-1.el6.elrepo.x86_64title Cent OS (4.11.0-1.el6.elrepo.x86_64) root (hd0,0) kernel /vmlinuz-4.11.0-1.el6.elrepo.x86_64 ro root=/dev/mapper/vg_xs-lv_root rd_NO_LUKS rd_LVM_LV=vg_xs/lv_swap LANG=en_US.

Periodically new devices and technology coming out and it’s important to keep our Linux system kernel up-to-date if we want to get the most of out it.

Also, do I leave the existing file there and overwrite the existing files leaving the ones not in the new kernel or completely remove it and replace it with the file with only the new files?

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