harald.hoyer.xyz

Harald Hoyer

Libtool: getting rid of 180,000 sed forks. When compiling systemd on rawhide, we noticed a significant slowdown in compile time. Investigating further, it turns out, that libtool forks an incredible amount of sed. Running perf showed 30% of the “make all” was spent in bash. strace showed an execve of sed with the same arguments 180,000 times! Single UEFI executable for kernel initrd cmdline. Self Hosting Fedora Base. Linux: HOWTO get the number of CPUs. Getconf NPROCESSORS ONLN returns the number of CPUs...

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Libtool: getting rid of 180,000 sed forks. When compiling systemd on rawhide, we noticed a significant slowdown in compile time. Investigating further, it turns out, that libtool forks an incredible amount of sed. Running perf showed 30% of the “make all” was spent in bash. strace showed an execve of sed with the same arguments 180,000 times! Single UEFI executable for kernel initrd cmdline. Self Hosting Fedora Base. Linux: HOWTO get the number of CPUs. Getconf NPROCESSORS ONLN returns the number of CPUs...

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3 photos

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Harald Hoyer | harald.hoyer.xyz Reviews

https://harald.hoyer.xyz

Libtool: getting rid of 180,000 sed forks. When compiling systemd on rawhide, we noticed a significant slowdown in compile time. Investigating further, it turns out, that libtool forks an incredible amount of sed. Running perf showed 30% of the “make all” was spent in bash. strace showed an execve of sed with the same arguments 180,000 times! Single UEFI executable for kernel initrd cmdline. Self Hosting Fedora Base. Linux: HOWTO get the number of CPUs. Getconf NPROCESSORS ONLN returns the number of CPUs...

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harald.hoyer.xyz

1

Fedora Boot Optimization – Harald Hoyer

http://harald.hoyer.xyz/2013/11/13/fedora-boot-optimization

This entry was posted in Linux. November 13, 2013. This article shows how to reduce boot time for Fedora 17, but the recipe can also be applied to 18, 19 and 20. The target is to get a fast booting system with NetworkManager running and gdm displaying the login screen as fast as possible. The system I use here is a Lenovo T420s (2x2x Intel(R) Core(TM) i5-2540M CPU @ 2.60GHz) with an INTEL SSDSA2BW160G3L harddrive. First we update everything. After the reboots, I get:. Startup finished in 1640ms (kernel) ...

2

Linux: HOWTO get the number of CPUs – Harald Hoyer

http://harald.hoyer.xyz/2013/11/13/linux-howto-get-the-number-of-cpus

Linux: HOWTO get the number of CPUs. Linux: HOWTO get the number of CPUs. This entry was posted in Linux. November 13, 2013. Returns the number of CPUs online. Internally it is parsing. Which can have the contents:. Better let getconf do all the counting for you. This is very useful, if you want to optimize the number of threads. Self Hosting Fedora Base →. Middot; 2016 Harald Hoyer. Middot; Designed by Press Customizr.

3

Self Hosting Fedora Base – Harald Hoyer

http://harald.hoyer.xyz/2014/01/14/self-hosting-fedora-base

Self Hosting Fedora Base. Self Hosting Fedora Base. This entry was posted in Linux. January 14, 2014. If you want to bootstrap a distribution or want to rebuild it from the sources (SRPMS) to get the same binaries (think CentOS), you have to build the build tools and rebuild them with the built build tools, which have to be built with other build tools. My goal for a self-hosting Fedora Base is to reduce the number of packages to do such a rebuild. The first run gives us 1806 packages. Gvmap -e -d $START.

4

Single UEFI executable for kernel+initrd+cmdline – Harald Hoyer

http://harald.hoyer.xyz/2015/02/25/single-uefi-executable-for-kernelinitrdcmdline

Single UEFI executable for kernel initrd cmdline. Single UEFI executable for kernel initrd cmdline. This entry was posted in Linux. February 25, 2015. Lately Kay Sievers and David Herrmann created a UEFI loader stub. Which starts a linux kernel with an initrd and a kernel command line, which are COFF sections of the executable. This enables us to create single UEFI executable with a standard distribution kernel, a custom initrd and our own kernel command line attached. Yum install gummiboot binutils.

5

libtool: getting rid of 180,000 sed forks – Harald Hoyer

http://harald.hoyer.xyz/2015/03/05/libtool-getting-rid-of-180000-sed-forks

Libtool: getting rid of 180,000 sed forks. Libtool: getting rid of 180,000 sed forks. This entry was posted in Linux. March 5, 2015. When compiling systemd on rawhide, we noticed a significant slowdown in compile time. Investigating further, it turns out, that libtool forks an incredible amount of sed. Running perf showed 30% of the “make all” was spent in bash. strace showed an execve of sed with the same arguments 180,000 times! Looking in the code reveals the culprit:. Sed quote subst looks like this:.

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timg.ws

Checking what processes need to be restarted after a system upgrade | Tim Groeneveld

http://timg.ws/2015/03/24/checking-what-processes-need-to-be-restarted-after-a-system-upgrade

Checking what processes need to be restarted after a system upgrade. March 24th, 2015. With updates going on in the last couple of months for various packages, such as OpenSSL and GLibC which have fixed a number of important security vulnerabilities, I thought I might share a one liner that might save you one day. Sudo lsof -n grep -v #prelink # grep -e ' .so' grep -e DEL grep -e lib grep -v init sed -re 's ([ 0-9]*) s*([0-9]*)[ /]*( /.*)$ 1 ( 2) 3 ' sort -u. Or if the application is statically linked.

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OTHER SITES

harald.fedorapeople.org

Harald Hoyer – Fedora People

Harald Hoyer @ FedoraPeople.org. Senior Software Engineer in the Base-OS Development Group of Red Hat. Responsible for several Base-Os packages. Some interesting things may be found in the /downloads/. Harald Hoyer, 2008. The Fedora Project is maintained and driven by the community and sponsored by Red Hat. This is a community maintained site. Red Hat is not responsible for content.

harald.fichtner.us

www.harald.fichtner.us

Willkommen auf der Webseite von / Welcome to the webpage of. Derzeit ist unter dieser Domain keine Webseite konfiguriert. This domain has no webpage configured at the moment.

harald.hauknes.org

harald.hauknes.org - Latest entries

March 20, 2014. March 20, 2014. These pages are currently not being developed. For now the links to the social networks will be my outlets. Nov 11, 2013. Nov 14, 2013. I started working on this thing a long time ago, but alas, as many other projects in my dev folder, it got little love. I think one of the reasons for this is that I had such limited knowledge of Git. 160;- the version control system that is all the rage nowadays. I had forked a . Read the full post. May 25, 2013. Nov 14, 2013.

harald.hoifodt.com

Harald Høifødts hjemmeside

harald.horsten.com

home of Harald Horsten

Web development and graphical illustrations. Contact done by e-mail provided below.

harald.hoyer.xyz

Harald Hoyer

Libtool: getting rid of 180,000 sed forks. When compiling systemd on rawhide, we noticed a significant slowdown in compile time. Investigating further, it turns out, that libtool forks an incredible amount of sed. Running perf showed 30% of the “make all” was spent in bash. strace showed an execve of sed with the same arguments 180,000 times! Single UEFI executable for kernel initrd cmdline. Self Hosting Fedora Base. Linux: HOWTO get the number of CPUs. Getconf NPROCESSORS ONLN returns the number of CPUs...

harald.info

index

Books for the curious mind. 2008 Chipmunk International BV Contact Me.

harald.islandwalking.com

Harald's Home Page!

We live voluntarily in a condition of limitation. We opt to accept a limited life and co-operate in its restrictions,. Rather than to live in the world of relative freedom for which we were designed. From this world of relative freedom greater freedom is available. Visit www.islandwalking.com. If you are interested in reading about my special brand of Greek Island Hopping. Visit the Keep of The Sabbath Reviews. If you are interested in the original heavy metal band Black Sabbath. My walk 9 (2010-2012).

harald.ist.org

Harald Wirth - Willkommen

Http:/ harald.ist.org/. End of menu, begin of page:. Http:/ harald.ist.org. The largest part of my home page is german. Some pages. Have been translated, others are still useful, even if. You don't understand the text. Use the Site Map. For finding the translated pages. Ende der Seite, Beginn des Administrationsmenüs. Last Update: June 28 2010, 13:03. Are you a spambot. If so, click here. For an endless supply of bogus email addresses.

harald.jenk.ch

Jenk - Der Blog von Harald Jenk zum Dampf ablassen und Dampf machen

Der Blog von Harald Jenk zum Dampf ablassen und Dampf machen. Quiz: Wie gut kennst Du die Gemeinde Köniz? Mitdebattieren im Grossen Rat. Endlich echter Wettbewerb unter den Notaren im Kanton Bern. Kein Qualitätsabbau in den Schulen mit heterogener Schülerschaft im Zuge der Integration. Keine Kopfbedeckungen im Schulzimmer! Praxisnahe Handhabung der Videoüberwachung. Sofortmassnahme gegen steigende Krankenkassenprämien: Unterstützung zum (individuellen) Kassenwechsel. Motion: Zustandekommen der neuen Kult...

harald.knoeferl.net

trykyn's blog

A new hobby is selected: I’m gonna build a quadcopter. The machine will fly in complete automatic mode (no reote control, only high level meta commands), will be able to take pictures and videos, follow me and listen to voice command, shoot rockets and delivers packets. But first things first, I am currently deciding how to approach the first version of the machine. The primare goal will be hovering stable in the air. Februar 11th, 2014 Tags: Quadcopter. Dezember 18th, 2009 Category: Engrish. Okay, langs...