Menu
blog.headdesk.me
blog.headdesk.me

Tag: kernel

Trade security with performance

The recent CPU flaw caused quite a mess. Most recent linux kernels have the problems patched, but what if I am willing to trade security for performance? I’ll need to compile my own kernel and here is how to do that on Ubuntu 17. apt install git build-essential kernel-package fakeroot libncurses5-dev libssl-dev ccache wget https://cdn.kernel.org/pub/linux/kernel/v4.x/linux-4.15.tar.xz…

Loading

Meltdown and Spectre CVE-2017-5715

Numerous posts and announcements have been made available in past 48 hours[1]. I don’t want to embarrass myself trying to describe what they’re about. Here I want to measure the performance penalty for the kernel patch. Kernel update has been made available on CentOS 7 (3.10.0-693.11.6.el7), roughly 12 hours behind Redhat. Here is a quick…

Loading

  • aws (14)
  • coffee (2)
  • headfi (1)
  • linux (9)
  • others (61)
  • security (2)
  • tech (41)
  • terraform (3)
  • wordpress (2)

Loading

apache aws awscli azure backup boot cloud coffee docker ec2 EL8 ElasticBeanstalk espresso featured git kernel lelit linux lvm meltdown MFA nat gateway php power proliant python rdp Redhat RHEL rpm Ryzen scp security smartarray smart switch snapshot spectre tech terraform ubuntu ubuntu upgrade vpn windows wordpress workspace

©2026 blog.headdesk.me | Powered by SuperbThemes