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jueves, 24 de julio de 2014

Manjaro XFCE unstable (My post install)

Manjaro XFCE Minimal 0.8.11 Preview 1 is online now. | Manjaro Linux:



sudo pacman-mirrors -g -b unstable

sudo pacman -Syu

sudo pacman -S yaourt

sudo pacman -S gedit

sudo pacman -S fakeroot make cmake

sudo pacman -S chromium

sudo pacman -S lib32-flashplugin

sudo pacman -S steam

sudo pacman -S wine dosbox sdlmame



or all together



sudo pacman -S yaourt gedit fakeroot make cmake chromium lib32-flashplugin steam wine dosbox sdlmame







yaourt -S qbittorrent python

yaourt -S cairo-dock cairo-dock-plugins cairo-dock-plug-ins-extras

yaourt -S conky-manager

yaourt -S gens-gs snes9x-gtk qmc2



or all together



yaourt -S  --noconfirm qbittorrent python cairo-dock cairo-dock-plugins cairo-dock-plug-ins-extras conky-manager gens-gs snes9x-gtk qmc2



yaourt -S google-chrome

edit PKGBUILD (type nano to edit) and remove 'libgcrypt15' from dependences



Use the Libre Office installer







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martes, 24 de junio de 2014

Instalar NVIDIA GTX 750 Ti en Manjaro estable - TRUCO -

Instalar NVIDIA GTX 750 Ti en Manjaro estable - TRUCO -


 En GRUB añadir  (e) nomodeset después de quiet y arrancar (F10)

añade repositorios no estables: sudo pacman-mirrors -g -b unstable

actualiza -opcional - sudo pacman -Syyu && yaourt -Suya

instala los controladores sudo mhwd -a pci nonfree 0300

configura opengl sudo mhwd -gpu --setgl nvidia

vuelve a estable sudo pacman-mirrors -g

rearranca sudo reboot



Gracias a los que en el foro de manjaro en inglés me solucionaron el problema de no poder estrenar mi 

flamante nueva compra que recomiendo ferviertemente si necesitais actualizar la GPU.

domingo, 22 de junio de 2014

Chrome://gpu MS WOS NT 6.3 vs Manjaro 3.14 NVIDIA Maxwell



Graphics Feature Status

Canvas: Hardware accelerated
3D CSS: Hardware accelerated
Compositing: Hardware accelerated on all pages and threaded
CSS Animation: Accelerated and threaded
Flash 3D: Hardware accelerated
Flash Stage3D: Hardware accelerated
Flash Stage3D Baseline profile: Hardware accelerated
Video: Hardware accelerated
Video Decode: Hardware accelerated
Video Encode: Hardware accelerated
WebGL: Hardware accelerated

Driver Bug Workarounds

clear_uniforms_before_first_program_use
exit_on_context_lost
texsubimage2d_faster_than_teximage2d
use_current_program_after_successful_link


Problems Detected

Always call glUseProgram after a successful link to avoid a driver bug: 349137
Applied Workarounds: use_current_program_after_successful_link
Some drivers are unable to reset the D3D device in the GPU process sandbox
Applied Workarounds: exit_on_context_lost
TexSubImage2D() is faster for full uploads on ANGLE
Applied Workarounds: texsubimage2d_faster_than_teximage2d
Clear uniforms before first program use on all platforms: 124764, 349137
Applied Workarounds: clear_uniforms_before_first_program_use













Version Information

Data exported 22/6/2014 16:37:11
Chrome version Chrome/35.0.1916.153
Operating system Windows NT 6.3
Software rendering list version 7.6
Driver bug list version 4.9
ANGLE commit id 4b65c53df548
2D graphics backend Skia
Command Line Args Files\Google\Chrome\Application\chrome.exe" --flag-switches-begin --flag-switches-end

Performance Information
Graphics 0.0
Gaming 0.0
Overall 0.0








Driver Information

Initialization time 38
Sandboxed false
GPU0 VENDOR = 0x10de, DEVICE= 0x1380
Optimus false
AMD switchable false
Desktop compositing Aero Glass
Driver vendor NVIDIA
Driver version 9.18.13.3788
Driver date 5-19-2014
Pixel shader version 3.0
Vertex shader version 3.0
Machine model

GL version 2.0
GL_VENDOR Google Inc.
GL_RENDERER ANGLE (NVIDIA GeForce GTX 750 Ti Direct3D9Ex vs_3_0 ps_3_0)
GL_VERSION OpenGL ES 2.0 (ANGLE 1.3.4b65c53df548)
Graphics Feature Status


Canvas: Software only, hardware acceleration unavailable
3D CSS: Hardware accelerated
Compositing: Hardware accelerated on all pages and threaded
CSS Animation: Accelerated and threaded
Flash 3D: Unavailable. Hardware acceleration unavailable
Flash Stage3D: Unavailable. Hardware acceleration unavailable
Flash Stage3D Baseline profile: and Hardware acceleration unavailable
Video: Software only, hardware acceleration unavailable
Video Decode: Software only, hardware acceleration unavailable
Video Encode: Hardware accelerated
WebGL: Hardware accelerated


Driver Bug Workarounds


clear_uniforms_before_first_program_use
disable_post_sub_buffers_for_onscreen_surfaces
init_gl_position_in_vertex_shader
init_vertex_attributes
use_current_program_after_successful_link


Problems Detected


Accelerated 2d canvas is unstable in Linux at the moment
Disabled Features: accelerated_2d_canvas
Stage3D is not supported on Linux: 129848
Disabled Features: flash_stage3d
Accelerated video decode is unavailable on Mac and Linux: 137247, 133828
Disabled Features: accelerated_video_decode
NVIDIA linux drivers are unstable when using multiple Open GL contexts and with low memory: 145600
Disabled Features: flash_3d, accelerated_video_decode, accelerated_video, flash_stage3d
Always call glUseProgram after a successful link to avoid a driver bug: 349137
Applied Workarounds: use_current_program_after_successful_link
Program link fails in NVIDIA Linux if gl_Position is not set: 286468
Applied Workarounds: init_gl_position_in_vertex_shader
Clear uniforms before first program use on all platforms: 124764, 349137
Applied Workarounds: clear_uniforms_before_first_program_use
Linux NVIDIA drivers don't have the correct defaults for vertex attributes: 351528
Applied Workarounds: init_vertex_attributes
Disable partial swaps on linux drivers: 339493
Applied Workarounds: disable_post_sub_buffers_for_onscreen_surfaces


Version Information


Data exported 22/6/2014 19:31:54
Chrome version Chrome/35.0.1916.153
Operating system Linux 3.14.8-1-MANJARO
Software rendering list version 7.6
Driver bug list version 4.9
ANGLE commit id 4b65c53df548
2D graphics backend Skia
Command Line Args --flag-switches-begin --flag-switches-end




























Driver Information


Initialization time 221
Sandboxed true
GPU0 VENDOR = 0x10de, DEVICE= 0x1380
Optimus false
AMD switchable false
Driver vendor NVIDIA
Driver version 340.17
Driver date
Pixel shader version 4.40
Vertex shader version 4.40
Machine model
GL version 4.4
GL_VENDOR NVIDIA Corporation
GL_RENDERER GeForce GTX 750 Ti/PCIe/SSE2
GL_VERSION 4.4.0 NVIDIA 340.17



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martes, 17 de junio de 2014

Pareto efficiency at computers configurations

Pareto efficiency - Wikipedia, the free encyclopedia:

Unless you spend a lot of money you will not have the best computer configuration , and even if you do, in less than one year it would not be the best.

So being paretian it would be better to buy a computer with better price that would be the best one 12 or 24 months ago, and that is what people do.

But programmers and engineers do their work at great machines and they do not work for main street becasue they have not a paretian mind.

As computer users  we must learn how to configure our machines to make them work as well as they can, but by default the do not.

Let me explain some easy tricks for any OS:

MONITOR + GPU

settings at 720p (1k) instead of 1080p (2k)

Unless you have a state of the art GPU - actually a cheap Nvidia GTX 750 Ti would do the trick - any software or game will go slow at your computer, so if you switch from 2k to 1k resolution you will play software and games almost twice as fast as what your GPU does at 2k, and state of the art GPUs usually are not twice as fast as the normal GPUs budget computers have, and you will be able to enjoy almost the same experience of a more than 2 times more expensive equipment.

You will have increased fps in gaming at 60Hz, and for working you can impove your ocular health with more refresh - 75 100 or even 120 Hz -

I do not know why the default is the maximum even it is slow,

Why not OSs check the CPU+GPU and if it is not a good one set 720p (1k) as default resolution?

Why not OEMs setup their machines to be as fast as possible with good enough settings instead of slow maximum ones?

Even better put 720p(1k) 1280x720 resolution as default, it will be faster for everybody at actual state of the art GPU tech and name the main resolutions in a an easy way that  normal people can understand 480p (1/2k) 720p (1k) 1080p (2k) and the new one with a good name 4k

Also if there are some monitor hardware problem lower resolutions are most likely working when perhaps a higher one can fail

Other thing is the default size dpi and aspect for a 24" 16:9 monitor or smaller, the font size is as small as any 40 year old person with a little bit of presbyopia cannot read, that is because programmers are younger than 40 and or used to 30" to 32" monitors that are not the rule.

Why cannot the OS detect the monitor screen size and adapt the config? Actual 720p (1k) resolution default fonts are readable almost at every monitor size, other reason to make it (1k) the default, but Why if I change the resolution font sizes must be as small as little ants, why not change only the resolution and keep the 720p aspect? as default. Of course we can do it, it is my recommendation 1k or 2k with high dpi fonts to have almost the 720p (1k) aspect. But most of the people use the non good enough maximum defaults.

SCANNER

Why the default is the maximum 600 dpi or even more and jpg

Offices want 150 dpi Black and White PDF as the default, almost nobody wants a MFC for scan pictures, you want to send PDFs instead of faxes.

Please put the default driver and software at 150 dpi because it is faster when you scan and PDFs are faster to upload to professional portals or to send and download via e-mail.

SOHO  Small office and Homes, users usually do not config or setup this things, they use defaults, some of them would not like your products because they are not setup for normal users.

Of course you like to have the option to scan at higher resolutions for some special picture or document, as you want to go at maximum speed at a highway, but not all the road is highway, and it is very dangerous drive at maximum speed out of the highways, so for the hardware is the same, default configuration must not be the maximum one, as it is now.

 PRINTER

The best printer is the cheaper in ink one, but the default is its maximum quality settings.

150 dpi is enough good, Pareto efficient

Why are the default settings maximum quality and maximum ink expense?

Why must I spend all this time setting every hardware piece to a Pareto efficient standard?

Why not are there at least a question as: do you want your settings to be minimum, Pareto effcient - good enough -   or maximum, in order to let you choose?

Am I mad or am I so rare that nobody at any brand at the computer business has think this is the way to go?

Please feel free to suggest some Pareto efficient settings to add as perhaps camera fps I think is 30 fps 480p - but I so not use cams a lot - or similars.






martes, 31 de diciembre de 2013

2013 el año de Linux pero no el de GNU

Ya puedes utilizar LibreOffice en el navegador web - MuyLinux:

En el 2013 GNU/Linux domina aplastantemente en servidores, y nada más

Por otra parte Linux sin GNU domina en móviles y tabletas con Android - en USA el Ipad sigue siendo la reina de las tabeltas - y ...

Los Chromebooks despuntan en USA con un 21% del mercado de portátiles superando a los Macbook de largo.

Lo primero que debe hacer un usuario medio espabilado en un Chromebook es instalar CROUTON para acceder al programario GNU

Dado el éxito cosechado, similar al que tuvo el ASUS Eee con Linux Xandros es obvio que Linux en dispositivos baratos va tan fluido como MS WOS en máquinas 3 o 4 veces más caras, y esta vez MS  no va a poder sepultar ese segmento de portátiles baratos con Linux como hizo pagando a ASUS para que preinstalase MS WOS en los Eee y matase el producto, que iba bien incluso como Hackintosh, pero nunca con MS WOS.

Si yo fuese directivo de cualquier OEM que hiciese Chromebooks para el mercado USA ya estaba sacando versiones internacionales tanto de Chromebooks como de Ubuntubooks - estas con discos hibridos - y si yo trabajase en Ubuntu, SUSE Red Hat Mint o fuese miembro de Manjaro Sabayon o cualquier distribución lucharía por tener en Amazon uno de estos modelos baratos con mi distro preinstalada aunque fuese como opción.

Digo Ubuntubooks porque es la distribución más conocida, además el OEM podría instalarla en su versión de 64bits vendiendo modelos algo más potentes pasando de los 2 Gbs de RAM a los 4 Gb y por supuesto cambiando el SDD de  16 Gbs por un híbrido de 500 Gbs.

Los Chromebooks y los Chrome AIO de sobremesa se complementarían muy bien con sus versiones Ubuntu para maximizar las ventas de estos modelos - dejando elegir SO al comprador -. el primero que lo haga tendrá ventaja, el segundo puede  seguir la estela o poner SUSE como alternativa, y al ser más dirigida al público empresarial tener una ventaja y el tercero aliarse con Red Hat  - esto si que sería ya una gozada para el mundo GNU en la sobremesa las 3 distribuciones empresariales llegando a los hogares y pequeñas empresas preinstaladas además de a las corporaciones y AA. PP.  -

Ojalá alguien desde el mundo GNU o desde el mundo OEM se de cuenta de la oportunidad que los chromebooks abren para ofrecerlos también con GNU/Linux para ganar aún más mercado y más dinero.




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domingo, 27 de octubre de 2013

IOS compatible con Linux gracias a la biblioteca libimobiledevice

libimobiledevice - A cross-platform software library and tools to communicate with iOS devices natively:

Si usas Linux e IOS puedes conectar tus dispositivos gracias a libimobiledevice biblioteca de desarrollo abierto desde 2007