�ݺ�ߣshows by User: Saruspete

�ݺ�ߣshows by User: Saruspete / http://www.slideshare.net/images/logo.gif �ݺ�ߣshows by User: Saruspete / Thu, 31 Oct 2019 09:56:44 GMT �ݺ�ߣShare feed for �ݺ�ߣshows by User: Saruspete Linux rt in financial markets /slideshow/linux-rt-in-financial-markets/188900472 linux-rtinfinancialmarkets-191031095644
Financial Markets have latency and jitter requirements that Kernel-RT PREEMPT_RT allows to solve. From Timesync with nfp, ptp, whiterabbit, to business requirement of minimal jitter and latency ]]>
Financial Markets have latency and jitter requirements that Kernel-RT PREEMPT_RT allows to solve. From Timesync with nfp, ptp, whiterabbit, to business requirement of minimal jitter and latency ]]> Thu, 31 Oct 2019 09:56:44 GMT /slideshow/linux-rt-in-financial-markets/188900472 Saruspete@slideshare.net(Saruspete) Linux rt in financial markets Saruspete Financial Markets have latency and jitter requirements that Kernel-RT PREEMPT_RT allows to solve. From Timesync with nfp, ptp, whiterabbit, to business requirement of minimal jitter and latency <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/linux-rtinfinancialmarkets-191031095644-thumbnail.jpg?width=120&height=120&fit=bounds" /> Financial Markets have latency and jitter requirements that Kernel-RT PREEMPT_RT allows to solve. From Timesync with nfp, ptp, whiterabbit, to business requirement of minimal jitter and latency

Linux rt in financial markets from Adrien Mahieux

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0 Linux Network Stack /slideshow/linux-network-stack-120620136/120620136 networkstack-181025003436
Discovery on the Linux Network Stack insides, during SysAdminDays #8.]]>
Discovery on the Linux Network Stack insides, during SysAdminDays #8.]]> Thu, 25 Oct 2018 00:34:35 GMT /slideshow/linux-network-stack-120620136/120620136 Saruspete@slideshare.net(Saruspete) Linux Network Stack Saruspete Discovery on the Linux Network Stack insides, during SysAdminDays #8. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/networkstack-181025003436-thumbnail.jpg?width=120&height=120&fit=bounds" /> Discovery on the Linux Network Stack insides, during SysAdminDays #8.

Linux Network Stack from Adrien Mahieux

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0 Memory management /slideshow/memory-management-112860641/112860641 memorymanagement-180903234614
A deep dive into how computers stores bits into RAM : from the single bit storage by a transistor and a capacitor, to the kernel memory allocation and cache system, using the CPU integrated Memory Management Unit.]]>
A deep dive into how computers stores bits into RAM : from the single bit storage by a transistor and a capacitor, to the kernel memory allocation and cache system, using the CPU integrated Memory Management Unit.]]> Mon, 03 Sep 2018 23:46:14 GMT /slideshow/memory-management-112860641/112860641 Saruspete@slideshare.net(Saruspete) Memory management Saruspete A deep dive into how computers stores bits into RAM : from the single bit storage by a transistor and a capacitor, to the kernel memory allocation and cache system, using the CPU integrated Memory Management Unit. <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/memorymanagement-180903234614-thumbnail.jpg?width=120&height=120&fit=bounds" /> A deep dive into how computers stores bits into RAM : from the single bit storage by a transistor and a capacitor, to the kernel memory allocation and cache system, using the CPU integrated Memory Management Unit.

Memory management from Adrien Mahieux

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0 Bash production guide /slideshow/bash-production-guide/110744532 bashproductionguide1-180820213209
A set of rules and best practices to write bash shell scripts. Following these rules, you will have less programming errors and spend less time debugging. It also shows and explains a lot of features from bash you didn't event know existed : Pattern removal: ${var##*/} StrReplace: ${var//search/replace} Options: set -o pipefail -o nounset -o noclobber And many more...]]>
A set of rules and best practices to write bash shell scripts. Following these rules, you will have less programming errors and spend less time debugging. It also shows and explains a lot of features from bash you didn't event know existed : Pattern removal: ${var##*/} StrReplace: ${var//search/replace} Options: set -o pipefail -o nounset -o noclobber And many more...]]> Mon, 20 Aug 2018 21:32:09 GMT /slideshow/bash-production-guide/110744532 Saruspete@slideshare.net(Saruspete) Bash production guide Saruspete A set of rules and best practices to write bash shell scripts. Following these rules, you will have less programming errors and spend less time debugging. It also shows and explains a lot of features from bash you didn't event know existed : Pattern removal: ${var##*/} StrReplace: ${var//search/replace} Options: set -o pipefail -o nounset -o noclobber And many more... <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/bashproductionguide1-180820213209-thumbnail.jpg?width=120&height=120&fit=bounds" /> A set of rules and best practices to write bash shell scripts. Following these rules, you will have less programming errors and spend less time debugging. It also shows and explains a lot of features from bash you didn't event know existed : Pattern removal: ${var##*/} StrReplace: ${var//search/replace} Options: set -o pipefail -o nounset -o noclobber And many more...

Bash production guide from Adrien Mahieux

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0 System Performance Analysis /slideshow/system-performance-analysis/58666668 performanceanalysis1-160224160033
Linux and system performance analysis. Talk given at Sysadmin #6 - Feb 2016 - Global knowledge of how Linux on x86 works - Measurements and gathering metrics - Hunting down trouble-makers - Specific optimizations with hardware]]>
Linux and system performance analysis. Talk given at Sysadmin #6 - Feb 2016 - Global knowledge of how Linux on x86 works - Measurements and gathering metrics - Hunting down trouble-makers - Specific optimizations with hardware]]> Wed, 24 Feb 2016 16:00:32 GMT /slideshow/system-performance-analysis/58666668 Saruspete@slideshare.net(Saruspete) System Performance Analysis Saruspete Linux and system performance analysis. Talk given at Sysadmin #6 - Feb 2016 - Global knowledge of how Linux on x86 works - Measurements and gathering metrics - Hunting down trouble-makers - Specific optimizations with hardware <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/performanceanalysis1-160224160033-thumbnail.jpg?width=120&height=120&fit=bounds" /> Linux and system performance analysis. Talk given at Sysadmin #6 - Feb 2016 - Global knowledge of how Linux on x86 works - Measurements and gathering metrics - Hunting down trouble-makers - Specific optimizations with hardware

System Performance Analysis from Adrien Mahieux

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0 Kernel crashdump /slideshow/kernel-crashdump-53496836/53496836 kernelcrashdump-151003165018-lva1-app6892
When your whole system is unresponsive, how to investigate on this failure ? We'll see how to get a memory dump for offline analysis with kdump system. Then how to analyze it with crash utility. And finally, how to use crash on a running system to modify the kernel memory (at your own risks !)]]>
When your whole system is unresponsive, how to investigate on this failure ? We'll see how to get a memory dump for offline analysis with kdump system. Then how to analyze it with crash utility. And finally, how to use crash on a running system to modify the kernel memory (at your own risks !)]]> Sat, 03 Oct 2015 16:50:18 GMT /slideshow/kernel-crashdump-53496836/53496836 Saruspete@slideshare.net(Saruspete) Kernel crashdump Saruspete When your whole system is unresponsive, how to investigate on this failure ? We'll see how to get a memory dump for offline analysis with kdump system. Then how to analyze it with crash utility. And finally, how to use crash on a running system to modify the kernel memory (at your own risks !) <img style="border:1px solid #C3E6D8;float:right;" alt="" src="https://cdn.slidesharecdn.com/ss_thumbnails/kernelcrashdump-151003165018-lva1-app6892-thumbnail.jpg?width=120&height=120&fit=bounds" /> When your whole system is unresponsive, how to investigate on this failure ? We'll see how to get a memory dump for offline analysis with kdump system. Then how to analyze it with crash utility. And finally, how to use crash on a running system to modify the kernel memory (at your own risks !)

Kernel crashdump from Adrien Mahieux

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0 https://cdn.slidesharecdn.com/profile-photo-Saruspete-48x48.jpg?cb=1642356890 Computer enthusiast, geek and insatiable curious, I've worked in a wide range of computing opportunities. Let's review a few of them : - System Administration (Linux mostly but also Windows and Unix) : From services (dns, http, syslog, pxe, ptp... you name it) to Kernel internals (kmods, sysctls, x86 hardware, bypass... the lower & faster, the better) - System scripting : Perl, bash / ksh, (yes, there is some small differences) - High-Perf Applications (C/C++, FPGA) and web (don't hurt me please) - Production and support from small size (5 servers, 10 employees) to huge (7000 physical servers, 50K+ employees) - Development best practices (Git, System formations, Cheat-Sheets) and Bench... http://blog.adrienmahieux.fr https://cdn.slidesharecdn.com/ss_thumbnails/linux-rtinfinancialmarkets-191031095644-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/linux-rt-in-financial-markets/188900472 Linux rt in financial ... https://cdn.slidesharecdn.com/ss_thumbnails/networkstack-181025003436-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/linux-network-stack-120620136/120620136 Linux Network Stack https://cdn.slidesharecdn.com/ss_thumbnails/memorymanagement-180903234614-thumbnail.jpg?width=320&height=320&fit=bounds slideshow/memory-management-112860641/112860641 Memory management