Pages in category software the following 200 pages are in this category, out of 236 total. Jan 21, 2011 this week we begin a series of blog posts on optimizing embedded software with the aim of improving i. It can also be used to access information on installed packages, local settings, and local and external overlays, and informs about changes in the tree gentoo gentoo metadata portage database tree packages fast find 1,614 commits. Sign up a gentoo portage configuration for building with o3, graphite, and lto optimizations. Paludis points to many problems within portage, and i have first hand experience in some of the fundamental problems with the tool.
Linux magazine looks at benchmarks for gentoo using different levels of gcc optimization. To enable this, add the following variable to etceixrc00eixrc. Instead, gentoo prefix installs with an offset, allowing to install in another location in the filesystem hierarchy, hence avoiding conflicts. Alternatively, one can use eixsync tool from eix itself. Gentoo is primarily a sourcecode based linux distribution. This reduces compilation time and can improve debugging info, but some applications will not work properly without optimization enabled. Gnu jami serverless, dhtbased messenger, a gnu project of the free software foundation. I would like to install program foo using emerge on a gentoo system. Variables set in this file will be exported to the environment of programs invoked by portage such that all packages will be compiled using these. Since eixtestobsolete was mentioned here, apart from eix itself, i thought id write a recommendation. Gentoo forums view topic list all installed software. I recommend invoking it as eixsync c q, which suppresses the typically verbose output of emerge sync.
Sequence optimization using the geneoptimizer software is included as an optional step with all geneart gene synthesis and dna fragments services. Build with userspecified compiler optimizations os, o0, o1, o2, o3 from cflags unsupported. The user has complete control over which packages are or are not installed. Geneoptimizer process for successful gene optimization. Portage on gentoo how to view available software versions. The etcpasswd file contains information on the default shell for each user on the system. K9 mail email supports openpgp if apg is installed.
Adding or improving documentation on the gentoo wiki. For gentoo, the default package manager is called portage. Gentoo linux documentation gentoo embedded x86 guide. Gentoo for mac os x was the first nonlinux project of gentoo and focused on making the gentoo experience available on apples operating system by introducing the portage system as a separate entity. Basically with gentoo, once you learn to use it correctly, your system is compiled to be specifically your system. Forward 15 years, and today we had our 200th meeting. Oct 30, 2009 linux magazine looks at benchmarks for gentoo using different levels of gcc optimization. Additionally gentoo manages for some large projects like chrome, firefox, libreoffice etc. Time and time again developers will go off to make something faster without systematically proving the cause of slowness and come back two weeks later with 700 lines of hand. I had a 18 month fling with gentoo, what draw me in was the portage system, but ironically what threw me out was the same portage system. Jentoo is a linux distribution built using the portage package management system. Lately i had to fix some gentoo ebuild package i describe a few possibilities i found. Genoo marketing automation software and training solutions. Gcc optimization an introduction to optimizing compiled code.
This week we begin a series of blog posts on optimizing embedded software with the aim of improving i. It uses indexing to allow quick searches in package information. Fedora project leader envisions the project becoming an operating system factory fedora project leader matthew miller has shared his vision for fedora over the next decade and is encouraging discussions about the direction of this red hat sponsored linux distribution over the next five to ten years. Gentoo part 3 overlays eix alternative methods youtube. Fedora project leader envisions the project becoming an.
By modifying a configuration file, it allows users to easily couple any external program like energyplus, trnsys, dymola, doe2, trace, etc. This was roughly similar to fink and macports, but it used portage instead of a debianlike or portslike system. Unlike a binary software distribution, the source code is compiled locally according to the users preferences and is often optimized for the specific type of computer. Build with userspecified compiler optimizations os, o0. Sh optimization, memory, security if you installed eix from the gentoo repository, then very likely. To stick into gentoo with less emerge effort, i decided to use binary files for large packages e. Genoo provides marketing automation software, training, and online marketing tools to small and midsized businesses interested in taming the internet and harnessing it to generate leads and grow their business and revenue. A shell is a commandline interpreter that offers a textbased interface to users. These tests show that when it comes to optimizing with gcc, there is not a huge. Live environments and stage archives can be downloaded using the links below. Jun 04, 2015 if you want to shout me a beer click the following link. For energy producers or cogenerators, power system optimization can be set to minimize generation fuel cost, optimize power system operation, and maximize.
I know about alien and deb2targz, but is there anything scripts. Paludis, gentoo and ciaran mccreesh uncensored osnews. Also reduce use flags to only what you need or per package level can drastically reduce time for rolling updates. With proven experience in advanced technology localization and translation services, gengo is trusted by some of the worlds leading technology. To take advantage of this service, select your expression host when setting up a request using our online customer portal. Jul 10, 2012 software optimization is a topic which receives a curious lack of coverage in most computer science curricula. Once a match is made, the cvesearch collection and the portage package database via appportage eix can be combined to produce the data appropriate for a report. Licensed optimization software see minos, lssol, npsol, qpopt, sqopt, snopt for users guides to each of those solvers. Genopt is written entirely in java so that it is platform independent.
Way back in 2005, the reorganization of gentoo led to the formation of the gentoo council, a steering body elected annually by the gentoo developers. It can also be used to access information on installed packages, local settings, and local and external overlays, and informs about changes in the tree vaetheix. Check that one of linuxheaders, glibc, binutils, libtool or gcc has major update e. On the 1st and 2nd of february, many gentoo users and developers attended fosdem, the biggest foss conference in europe. Portage is a package management system that is used by gentoo and sabayon to install, uninstall and maintain software on your system from the source code. Awesome a highly configurable, next generation, dynamic window manager for x. Electric generation planning and energy bid optimization. Fedora project leader envisions the project becoming an operating system factory fedora project leader matthew miller has shared his vision for fedora over the next decade and is encouraging discussions about the direction of this red hat sponsored linux distribution over the next five to. Is it safe to delete the files and directories in vartmpportage. Gentoo linux, a distribution designed for users possessing that delicate combination of insecurity and masochism that results in an obsession with obscurity, optimization, and huge dollops of pain and frustration. Testing o2, o3, and os the latter being optimize for size for gentoo, as well as adding ubuntu 9. The rapidly evolving it industry demands highquality translation and localization services that will help companies communicate their message to global markets. Gentoo is pretty fluid, so its likely a number of changes have taken place. Install a newer systemdphiliac version of openrc and have my intelligence insulted.
Installing gentoo in my old laptop is a painful work, as the weekly update can make the poor cpu extra hot. Genopt best directory building energy software tools. Mate a fork of the gnome 2 desktop environment that is available on gentoo. It is made to be more efficient and flexible than the emerge search command. The correct pattern for this is probably a truth table, with the above exact matching algorithm one example of generalized predicates at are applied to each cve document in the cvedb. Mar 27, 2020 about portage portage is a package management system based on ports collections. Power system optimization can be used to assist energy consumers to automatically operate the system and minimize system losses, reduce peak load consumption, or minimize control adjustment. This means that, unlike most operating systems including other linux distributions, gentoo does not just place compiled files on your file system but actually fetches the source code for the software you need from the internet, configures the compilation environment and builds the software before it finally moves the resulting build. Portage is based on the concept of ports collections.
What are some useful utils when using gentoo linux. Paludis lightly touches on points about buggy software and the fact that those bugs wont be found until. I dont want to be spending hours waiting for something i wantneed to be compiled. Its possible to update the information on gentoo or report it as discontinued, duplicated or spam.
Portage is a package management system originally created for and used by gentoo linux and also by chrome os, sabayon, and funtoo linux among others. I wrote this article to serve as a rough guide of what you may or may not need. For even higher productivity and profitability you can choose from intelligent system solutions, optimization software and mechanizations. Its main purpose is for embedded sbcs single board computers based on the x86 architecture were a small nonvolatile flash, compact flash, diskonchip footprint is needed as low as 10 mb. Details contents, hashes, and signatures minimal installation cd, hybrid iso, stage 3. These packages are freely available to faculty and students at stanford university and uc san diego. How to optimize and accelerate your system sabayon wiki. Your donation powers our service to the foss community. Any sort of complete optimization will ultimately require effort on the individual building the kernel. You can use this file to put all the packages you want to tell portage you installed by.
There is a key truth to be mindful of while doing optimization work. Some notes are almost critical for normal further performance. This level that is the letter o followed by a zero turns off optimization entirely and is the default if no o level is specified in cflags or cxxflags. Conversations god tier xmpp client supporting omemo, gpg, and otr encryption. Weinig products and solutions for width cutting for width cutting, the weinig product portfolio offers the following multiblade buzz saws with fixed arbor setup fixed saw blades, multiblade buzz saw with. Even on the internet, there are few resources which approach the topic in any kind of structured manner. An ebuild file is a text file, used by gentoo package managers, which identify a specific software package and how the. It performs a sync, updates the eix database and prints out a diff all in one go.
Configuring gentoo kernel for vmware player optimized. Hello all, can any one tell me where is the default location software install on gentoo, and what command can i use to get list all installed software. Sets the optimization optionsclfinitemathonly andclunsafemathoptimizations, which enables optimizations for floatingpoint arithmetic that may violate the ieee 754 standard and the opencl numerical compliance requirements. Despite this exgent version 200428 runs surprisingly fast from dvd or usb. The portage system consists of the portage tree which is a collection of ebuilds, the emerge command which follows the instructions in ebuilds special scripts, the portage configuration. Genopt has an open interface on both the simulation program side and the optimization algorithm side. List of recommended android software installgentoo wiki. Some times, without notice portage would fail to install a peice of software after an upgrade. This study developed an iterative optimization process by coupling a dynamic energy simulation software, idaice, and a generic optimization engine, genopt, through the graphical script module. Gentoo compilation times ive been thinking of using gentoo for a bit now, but the only things stopping me is the compilation time. If you want to shout me a beer click the following link. Reviving an old tradition, the next gentoo bugday will take place on saturday 20200606.
Precompiled binaries are available for some larger packages or those with no available source code. On systems other than gentoo linux, this usually results in problems, due to conflicts of software packages, unless the os is adapted like gentoofreebsd. If you have a pentium 4, dont want gnome and gtk support but do want kde and qt support each app will be compiled to specificaly be optimized for that setup. The website of gentoo, a flexible linux distribution.
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