There are few figures in anime and manga with the same weight behind them as Osamu Tezuka. Often called the father of those media, the accolade is actually apt in this case. So it is wonderful to finally see his story brought to life in the only way befitting such an individual, a biographical manga.
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The problem with the information technology industry is that we are fond of doing the same thing that we used to do, but giving an action a new name and telling everyone that a so-called paradigm shift has happened. Take DevOps, take big data analytics or even take cloud computing… we’ve kind of been here before with a lot of these concepts, processes and methodologies. So could ‘bimodal IT’ be genuinely new… and what makes it happen?
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Junto a Huawei, la otra gran compañía que estará dando guerra desde el primer momento en la previa del MWC será LG. Los coreanos llegan a Barcelona con ganas de enseñarnos su G5, un terminal filtrado hasta la sa…
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It’s the last few hours before Samsung unveils the S7 family, so here are some more leaks to help pass the time. The Samsung Galaxy S7 edge retail box has been photographed and, as usual, it features a quick rundown of the most important specs.
The screen will be a 5.5″ Super AMOLED with QHD resolution (that’s 1,440 x 2,560px). The phone will be powered by an octa-core processor with 4GB of RAM and 32GB storage.
The Galaxy S7 edge camera will be a “Dual Pixel” 12MP shooter. Canon has “Dual Pixel” sensors, which offers super quick, super accurate focus because 80% of the viewfinder area is used to focus instead of a fixed number of focus points. Anyway, there’s a 5MP selfie camera too.
Samsung Galaxy S7 edge retail box (allegedly)
The IP68 water and dust resistance are confirmed (again, no word on microSD, but it’s pretty certain at this point). There’s wireless charging and KNOX too.
We’ve seen Photoshopped retail boxes before, so don’t take these specs as gospel. Still, a million leaks can’t be wrong.
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Yes, we are quite aware that today is the day Samsung will finally unveil the eagerly-anticipated Galaxy S7. But, sadly, the Unpacked event is still a few hours away, which, however, is not to say that the Korean giant doesn’t have any other announcements to make at the MWC 2016.
In keeping with current trends, Samsung, just like other tech titans (Google and Apple for example) has set its sights on the future of car technology. Of course, the company is already working with the likes of BMW, SEAT and SAP on ambitious future connected car projects, like digital keys and car payment systems. But, as a stepping stone and a lot more reachable step, there is Samsung Connect Auto, which will be showcased at the venue.
The project actually consists of a smart plug, which you can connect to the OBD-II port of mostly any recent car, which means you can probably pick up one for yourself without a costly vehicle upgrade.
The concept is not new and there are at least a couple of good alternatives already out there, but Samsung intends to leverage the entirety of its software services to take the concept one step beyond, plus, Connect Auto promises a huge focus on security.
The little device will be based on Tizen OS and KNOX will keep all the info under lock and key. As for functionality, once the device starts pulling data from the OBD-II interface, it can give you driving suggestions, fuel economy tips and also diagnostic and repair warnings as early as possible.
The Usage-Based Insurance (UBI) feature can also be used to feed information to insurance companies for better offers if the user chooses to enable it.
Trip and driving data can also be aggregated and emailed as a report or exported for a more in-depth analysis, which is part of Samsung’s aim to market the device as a fleet business solution, as well as an end user one.
The device itself will also be equipped with a surprising amount of hardware, including GPS for precise locations and LTE for remote reporting. This, however, does mean that you will likely have to get a data plan, contract or prepaid for your car. This can also power the “Find My Car” feature. Plus, there is also Wi-Fi on board, which can share the LTE connection through a hotspot for passengers to use.
Samsung Connect Auto will initially be available in the second quarter in the U.S. AT&T will be the first wireless provider of the solution in the U.S.
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MWC 2016 is quickly gaining momentum, and press conferences are definitely lined up back to back today. In fact, it appears the Barcelona schedule is so tightly packed that LG’s event kicks off at the same time as Huawei’s. You’ll just have to prioritize, we guess. The YouTube stream is below.
As for expectations, LG already confirmed that the G5 will be the star of the show. Thanks to he avalanche of rumors and leaks, we also already have a pretty good idea what specs and features to expect, like the modular Magic Stot design and the always-on displat. Still, there is always room for more surprises.
Don’t miss the full MWC event schedule for the week – we’ve got it all detailed over at our MWC 2016 coverage article….
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It all began with the announcement of the world’s cheapest smartphone – the $4 Freedom 251 made in India. The company behind the project – Ringing Bells – received a huge coverage in the media and received beyond positive backup from users around the world.
The first odd thing to happen was the change of the design shortly after the announcement. Few people noticed this, but it happened – Ringing Bells swapped the picture of the Freedom 251 on their website from a good-looking phone with thin bezels to a more generic 4″ brick with rather thick bezels and just a single central key.
But hey, this thing is supposed to cost $4, so nobody cared how the phone looks like.
Recently, media representatives received prototypes of the phone, which raised more questions instead of building more hype. The shipped phones turned out to be Adcom phones with their logos covered by simple correction fluid. Adcom is a Chinese company and the model Ringing Bells has sent to its partners Adcom is selling for about $50 on the Indian market. and it’s certainly not the Made in India phone, which they promised.
What was even more disturbing was the phone’s software – the UI used icons entirely identical to the Apple’s iOS default icons.
Finally, fellow journalists sought out Ringing Bells HQ for some questions, but the offices turned out to be empty.
The company’s CEO took some time to give answers to some of those pressing questions, but we aren’t sure if these responses are not raising further questions.
It turns out Ringing Bells indeed used an Adcom phone as a demo unit in an attempt to gauge the reception by the audience. The Freedom 251 smartphone will supposedly use the same specs, though the external design will differ in the final version.
The same goes for the pre-installed software – it may look like iOS now, but Ringing Bells has designers, which are working on a custom UI and it will be different in the final product.
The Adcom phones Ringing Bells gave to the media were just mere prototypes of what the phone may look like and what it may run on. It wasn’t anything final, the idea was to gather impressions and decide how to proceed later on – a move, which raises an eyebrow.
While all this sounds reasonable, it raises new questions – is the Freedom 251 just a concept then? It seems the company has no clue how the final phone will look like, what launcher it will feature, and where it will be made – India or China.
The Ringing Bells CEO promised they are a registered Android Partner, although the company is not on the list. They have not submitted a phone for certification within the BIS (Bureau of Indian Standards), yet they are already selling it online. It looks like they are selling a concept, which is not even approved by the Indian authorities yet.
For just two days the company received more than 60 million registrations and has since stopped accepting any new ones. Ringing Bells didn’t anticipate such an interest, and it is yet to fulfill the first 30,000 orders made. Once those are completed, Ringing Bells promises to take more.
Meanwhile Indian companies have asked the Telecom Ministry to check the Ringing Bells credentials. The company would certainly come under scrutiny.
Long story short – Ringing Bells isn’t certain how the final Freedom 251 will look like, what launcher it will utilize, or when it will be ready. No matter how we look at this, the Freedom 251 seems more like a concept phone, which may or may not make it to the market anytime soon.
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Squid es otro filtro a nivel de aplicación que puede complementar a iptables. Squid es un servidor proxy para web con caché, es muy popular y libre, además es multiplataforma. Aunque se puede usar para mejorar el rendimiento de las conexiones a Internet, también se puede usar con fines de seguridad. Desde que se inició el proyecto en los años 90, mucho a avanzado Squid y ahora te la presentamos para que sepas como usarla.
Para su instalación, puedes acceder a la web oficial del proyecto y seleccionar los paquetes binarios para tu sistema operativo o distribución. Si deseas instalarlo desde el paquete de código fuente compilando, también tienes esa opción. Los tarballs disponibles son tar.gz, tar.bz2 y tar.xz. Si no sabes como instalar, puedes acudir al artículo que editamos en este blog acerca de cómo instalar cualquier paquete desde Linux. ¡Ojo! si tienes un Debian o derivado y has visto que se instala con sudo “apt-get install squid”, puede que te de un error, porque tienes que sustituir “squid” por “squid3” para que surta efecto…
Ahora pasamos directamente a la acción explicando algunos ejemplos de cómo utilizar Squid para proteger nuestro equipo. Antes me gustaría explicar que Squid se basa en ACLs, es decir en Acces Control List o lista de control de acceso, es decir, unas listas en las que se detallan los permisos para controlar en este caso el flujo de red e implementar filtros similares a los de iptables pero a nivel de aplicaciones.
Normalmente, tras la instalación se incluye un fichero de configuración que se encuentra en /etc/squid3/squid.conf y es este el que debemos editar con un editor como nano o gedit. En él podemos generar nuestras reglas de filtrado, aunque existen las opciones cache_dir, cache_mem y http_port, nosotros usaremos esta última para nuestras reglas de seguridad. Otro detalle es que en este fichero se especifica el puerto por defecto que usa el servicio Squid, que por defecto es 3128 (ver la línea o directiva “http_port 3128” y quítale el # para activarla). Si quieres puedes cambiarlo…
Si abres el fichero, verás que está comentado, si quieres anular una regla creada, puedes iniciar la línea con # y la transformas en un comentario, con lo que Squid la ignora, para volverla a poner en servicio, borras el # y listo. De hecho, hay muchas reglas creadas y puestas como comentario que puedes usar quitándole #. Así no tendrás que borrar y volver a escribir reglas. Bien, para añadir una regla o filtro concreto, ésta debe tener una ACL y una directiva que indique lo que se debe hacer.
Por cierto, cuando quites un # para activar una regla, asegúrate de no dejar espacios al inicio de la línea. Por ejemplo:
Forma erronea:
http_port 3128
Forma correcta:
http_port 3128
¿No te has enterado de nada? Pues no te preocupes, con un ejemplo lo verás todo mucho mejor. Imagina esto:
acl bloqueo url_regex as facebook
http_access deny bloqueo
Lo que quiere decir esta regla es que la acl con nombre “bloqueo” va a prohibir el acceso a la URL que contenga “facebook” (por tanto si intentamos entrar a Facebook nos saltrará un error en el navegador). Si en vez de “deny” usas “allow”, permitirías el acceso en vez de prohibirlo. También se puede usar el parámetro ! para excluir, por ejemplo, imagina que quieres permitir el acceso a lista1 pero no a lista2:
http_access allow lista1 !lista2
Otro ejemplo podría ser crear un fichero /etc/squid3/ipspermitidas y en él guardar una lista de IPs que queremos permitir el acceso. Por ejemplo, imagina que el contenido de ipspermitidas es:
192.168.30.1
190.169.3.250
192.168.1.26
Y luego creamos la acl para permitir el acceso a estas IPs:
acl nuevaregla src "/etc/squid3/ipspermitidas"
Un ejemplo bastante práctico, imagina que tu equipo lo usan niños menores de 18 años y quieres restrigir el acceso a ciertos sitios de contenido adulto. Lo primero es crear un fichero llamado /etc/squid3/lista con el contenido:
adult
porno
sex
poringa
Y ahora en el fichero squid.conf ponemos la siguiente regla:
acl denegados url_regex "/etc/squid3/lista" http_access allow !denegados
Como ves hemos usado allow que en principio es para permitir, pero si te fijas hemos agregado ! para negar, por tanto, sería equivalente a poner:
acl denegados url_regex "/etc/squid3/lista" http_access deny denegados
También se pueden crear listas, no solo de nombres de dominio o IPs como hemos hecho, también puedes poner dominios y por ejemplo restrigir el acceso a dominios como .xxx, .gov, etc. Veamos un ejemplo basándonos en la regla anterior. Creamos un fichero /etc/squid3/dominios que tenga:
.edu
.es
.org
Y ahora nuestra regla, para denegar el acceso a la lista de sitios prohibidos que creamos, pero permtiendo el acceso a URLs con estos dominios:
acl denegados url_regex "/etc/squid3/lista" acl permitidos dstdomain "/etc/squid3/dominios" http_access allow !denegados dominios
Por favor, no olvides dejar tus comentarios, dudas o lo que quieras… Aunque es un tutorial muy por encima de Squid, espero que te sirva de ayuda.
El artículo Introducción a Squid: configuración paso a paso ha sido originalmente publicado en Linux Adictos.
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If you have been keeping a close eye on our MWC 2016 coverage article, then you surely know that there are quite a few events lined up for today. Huawei is up first with a 14:00 CET live stream.
The YouTube link is already up, so you can grab a seat, get comfortable and prepare to follow along.
As a quick recap, we are expecting to see the unveiling of the MediaPad T2 Pro 10.0 (10.1-inch 1080p display, Snapdragon 615 SOC, 2GB of RAM, 16GB storage). There is also word of a hybrid laptop, possibly with a larger 12.9-inch display and a Windows 10 OS. Last, but not least, Huawei will hopefully showcase the new P9 handset, allegedyl equipped with a 5.2-inch display, 4GB or perhaps even 6GB of RAM and the powerful Kirin 950 SoC.
For more of the MWC schedule, check out our MWC 2016 coverage articlle….
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Huawei has an event scheduled for later today, but a Finnish site posted a sneak preview – photos and specs of the unannounced Huawei MediaPad T2 Pro 10.0.
This is the replacement of the T1 10 from last year and it has improved specs throughout.
The MediaPad T2 Pro 10.0 will have a 10.1″ screen (yeah, we know) with 1080p resolution (a massive jump from T1’s 9.6″ 1,280 x 800px). Beside the screen is a 2mP selfie camera, while the camera on the back has an 8MP sensor (and a single-LED flash).
The tablet will be powered by a Snapdragon 615 chipset with 2GB of RAM and 16GB storage (no word on Android version yet). The battery grew to 6,660mAh.
Stay tuned for more details, Huawei’s press conference starts today at 14:00 CET. And we’ll be there – we expect to see some phones (like the P9), besides the MediaPad tablet, a hybrid laptop too.
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