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Real Time is Coming to Linux; What Does that Mean to You? - Steven Rostedt, VMware The Real Time patch (what makes Linux into a true Real Time operating system) has been developed out of the kernel since 2004. 14 years later, there is a real effort to finally make it into the mainline kernel, within the next year. All the major road blocks that have kept it from being merged have now been solved. But once it is in mainline, all kernel developers will now be responsible for not breaking it. Being real-time friendly is not hard, and in fact, it forces you to write cleaner and more maintainable code. This talk will focus on what kernel developers will need to understand about PREEMPT_RT, whether they are writing core kernel code, or some fringe kernel driver. Even if you do not care about PREEMPT_RT, come and learn about some programming tips for keeping your code maintainable. About Steven Rostedt Steven Rostedt is one of the original developers of the Real Time (PREEMPT_RT) patch. He currently maintains the v4.14-rt stable branch. Steven is also the creator and current maintainer of Ftrace, the official tracer of the Linux Kernel. He also created and maintains Ftrace utilities like trace-cmd and KernelShark. Steven currently works for VMware and is still an active member of the Real Time and Linux kernel community.
Linus gives the practical reasons why he doesn't use Ubuntu or Debian.
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Can you answer the 10 most popular Linux tech job interview questions? 0:00 Introduction 0:53 Tech Phone screens 1:50 How to check the kernel version of a Linux system? 2:50 How to see the current IP address on Linux? 4:03 How to check for free disk space in Linux? 4:55 How to see if a Linux service is running? 6:33 How to check the size of a directory in Linux? 7:02 How to check for open ports in Linux? 9:48 How to check Linux process information (CPU usage, memory, user information, etc.)? 11:49 How to deal with mounts in Linux 13:51 Man pages 15:04 Other resources How to ask questions the smart way: http://catb.org/~esr/faqs/smart-questions.html This is a list of the most common Linux System Administration Job Interview Questions. These questions are commonly used as 'filters' in a phone screen or first-round interview. Make sure you know all the answers, and the reasoning behind them! This video only covers Linux-related interview questions; the position you're interviewing for might involve other technologies, too: -databases (or a specific database) -networking -programming, or a specific language -infrastructure / architecture -specific applications or services -AWS, Google Cloud More Linux Tutorials ############### Free Linux Sysadmin Course Playlist: https://www.youtube.com/playlist?list=PLtK75qxsQaMLZSo7KL-PmiRarU7hrpnwK Check out my step-by-step project-based Linux course for beginners, 93% off when you use this link: https://www.udemy.com/hands-on-linux-self-hosted-wordpress-for-linux-beginners/?couponCode=TL-YOUTUBE Official Site & e-mail list: https://tutorialinux.com/ Twitter: https://twitter.com/tutorialinux Facebook: https://www.facebook.com/tutorialinux Patreon: https://www.patreon.com/tutorialinux Podcast: http://kernelpanicpodcast.com
https://www.patreon.com/mattdavella ☝Support this channel & get all my unlisted videos New videos every week. New podcast every Wednesday. Podcast: http://groundupshow.com Newsletter: http://mattdavella.com/unstuck Instagram: http://instagram.com/mattdavella/ Twitter: http://twitter.com/mattdavella/ My Gear: https://kit.com/mattdavella About this video: A lot of people have misconceptions about minimalism. In this video I show you what a typical day in my life really looks like. Thanks for watching!
Overview and Recent Developments: SELinux - Paul Moore, Cisco
This proposal is for the annual "State of SELinux" presentation where the past year of SELinux related development is presented as well as current and expected future work.
About avatar for Paul Moore
Paul Moore has been involved in various Linux security efforts since 2004, at Hewlett-Packard, Red Hat, and Cisco. He currently maintains the SELinux, audit, and labeled networking subsystems in the Linux Kernel as well as the libseccomp userspace library.