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If you are a Ubuntu user and own an Android device (running Android version 4.0 or above), you will know that you can’t plug in the device to your computer and have it show up in your file manager. The reason for this is because Android 4.0 and above is using MTP protocol as the connection bridge and MTP is not fully supported in Linux. We have previously shown you how to connect your Galaxy Nexus and Kindle Fire to Ubuntu, but those methods are usually a hit or miss and pose more problems than usual. Today, I am going to show you another method to connect up your Android device and Ubuntu.

Go-mtpfs is a simple FUSE filesystem that is built upon the MTP library used for previous tutorials. Once you have compiled and installed it, you will be able to mount and unmount your Android device easily and reliably. I have tested it on my phone and it works all the time.

Installation

The developer of Go-mtpfs does not provide a PPA or deb file, so you have to grab the source and compile it manually.

sudo

apt-get install

golang fuse git-core libmtp-dev libfuse-dev

sudo

adduser

$USER

fuse

mkdir

tmp

sudo

tmp

bin

go-mtpfs

usr

bin

mkdir

Android

Alternatively, you can use the unstable PPA by WebUpd8:

sudo

add-apt-repository ppa:webupd8team

unstable

sudo

apt-get update

sudo

apt-get install

go-mtpfs Usage

Once installed, plug in your Nexus 7, Galaxy Nexus or any other phone that are using the MTP protocol, to the computer.

1. Create an “Android” folder in your Home directory. Ignore this if it is already created.

2. Unlock your Android device. (It won’t work if your Android device is locked).

3. In the terminal, type:

go-mtpfs ~

Android

4. Open your file manager and you should see your Android device mounted.

From here, you will be able to access the internal SD card of your Android device and copy/move files over from your computer.

Note: It is important not to pull out the cable and disconnect the device while it is mounted. To properly unmount the device, use this command:

fusermount

-u

Android

For Unity Users:

If you are using Unity desktop, you can install the custom Unity launcher to easily mount and unmount the device.

To install:

sudo

apt-get install

go-mtpfs-unity

Open your file manager and navigate to “/usr/share/applications”. Drag and drop the “Mount Android Device” launcher to the Unity launcher.

That’s it.

via Webupd8 and atareao

Image credit: USB cable on white background by BigStockPhoto

Damien

Damien Oh started writing tech articles since 2007 and has over 10 years of experience in the tech industry. He is proficient in Windows, Linux, Mac, Android and iOS, and worked as a part time WordPress Developer. He is currently the owner and Editor-in-Chief of Make Tech Easier.

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Install Ubuntu For Tablets On Nexus 7 And Nexus 10

After a few days of the surprise announcement of Ubuntu Touch OS, the mobile version of the popular Linux distribution, Canonical unexpectedly announced the tablet version of the OS as well, simply called Ubuntu for Tablets. A developer preview version was said to be released for the Nexus 7 and Nexus 10, and it was finally launched on 21st February along with the smartphone version for the Nexus 4 and Galaxy Nexus.

Similar to the now discontinued MeeGo and the new BlackBerry 10 OS, Ubuntu places a heavy focus on multitasking, allowing easy switching between open applications. A major feature that also takes cues from the aforementioned OS is that the user experience is based around gestures and doesn’t need any hardware navigation buttons, as everything is done via swipes from the edge of the display.

The primary gestures used in the OS are as follows:

A swipe from the left edge of the display brings up the launcher, which is basically shortcuts to your favourite apps as well as the homescreen.

A swipe from the right edge of the display switches between all open apps in an endless loop.

A swipe from the bottom edge brings up application-specific commands, which are usually brought up using the menu button on other OS.

Finally, similar to Android, a swipe from the top opens the status bar, which shows notifications from apps and also allows toggling things like Wi-Fi, Bluetooth, etc.

Ubuntu has a different take on a homescreen – it displays different types of content right on different pages, such as recently played movies or music, people contacted, running apps, and of course the usual list of all the apps installed on the OS. It looks quite beautiful to be honest, with everything neatly organised and easily accessible, much like the tiles-based homescreen on Windows Phone.

Another important feature of Ubuntu for tablets is multi-window multitasking, similar to multi-window on Samsung devices and on Windows 8. Based on the fact that phone apps don’t fit well on a tablet, Ubuntu allows users to dock those phone apps – such as the dialer and even full-blown tablet apps – in a small part on one side of the screen, with a proper tablet app running on the remaining part. Multitasking is a major focus of the OS and this feature makes it even better if you use Ubuntu on a tablet.

While the gestures in the OS might sound like too much for some people, they’re actually quite effective once you get used to them, allowing to switch between apps in a jiffy. Ubuntu runs native code, including QML and HTML5, which also means that when it finally ships on devices in early 2014, it will be quite smooth and fast even on not so powerful hardware and make multitasking a fun and productive affair.

Nexus 7 and Nexus 10 owners can give the preview version of the OS a try, and we’ve prepared step-by-step instructions to help you easily install it on your tablet. But before we proceed to the instructions, there are a few things you must know.

First, this is an early developer preview build of Ubuntu for Tablets and as such most of the things do not work and/or are just screenshots/placeholders. The list of things that are expected to work is given below.

Things that work:

Shell and core applications (Gallery, Browser, etc)

Connection to the GSM network (on Galaxy Nexus and Nexus 4)

Phone calls and SMS (on Galaxy Nexus and Nexus 4)

Networking via Wifi

Functional camera (front and back)

Device accessible through the Android Developer Bridge tool (adb)

It’s also a bit buggy and can restart sometimes, specially when too many apps are opened as RAM usage is not yet optimized for these devices. Also, both the Nexus 7 and Nexus 10 have some issues specific to each tablet, which are mentioned below (the updated list can be seen on Ubuntu’s release notes page).

Device Specific Issues:

Nexus 10

Taking pictures with the camera application causes an issue with audio. The volume indicator and volume keys will not work to control the sound until reboot.

People lens sometimes comes up empty after first flashing the device and booting. Rebooting fixes the issue.

Nexus 7

Runs in portrait mode by default (no side stage)

Camera, video decoding and audio output do not function.

Greeter screen is misaligned.

No multi-user login.

It’s likely most will be wanting to go back to Android after an hour or two, so unless you are really interested in trying out a new OS no matter how limited or buggy it may be, it’s probably a good idea to wait for more stable and functional builds to come out.

Now, make sure you’ve read the list of issues and other details above, then proceed with the instructions below to install Ubuntu for tablets on your Nexus 7/10.

Compatibility

The procedure described below is only for the Nexus 7 and Nexus 10. Do not try it on any other device.

Warning!

The methods and procedures discussed here are considered risky, so try them out at your own risk, and make sure to read each step carefully before attempting anything. We will not be held responsible if anything goes wrong.

How to Install Ubuntu for Tablets on Nexus 7/Nexus 10

The tablet’s bootloader will need to be unlocked to flash the ROM. You can unlock the bootloader on your Nexus 7 by following the guide → here or the Nexus 10 → here. Make sure you took a backup in step 1 as this will wipe all data from the tablet and reset it to factory settings. Skip this if you already have the bootloader unlocked.

You should have ClockworkMod (CWM) or TWRP recovery installed on your tablet to install the ROM. If not, follow this guide to install it on your Nexus 7, or this guide for your Nexus 10. The instructions will assume you are using CWM recovery, though TWRP recovery will work equally well.

Main Ubuntu OS file: This file is named chúng tôi and is around 500 MB in size.

Device file: This is the needed file for your particular device, and it’s named quantal-preinstalled-armel+grouper.zip for the Nexus 7 and quantal-preinstalled-armel+manta.zip for the Nexus 10. Make sure to download the correct one – the one with mako in the file name for the Nexus 7, or the one with maguro in the file name if you have a Nexus 10.

Copy both the main Ubuntu OS file ( chúng tôi ) and the device file to the tablet.

Reboot the tablet into CWM recovery. To do that, turn off your tablet and boot into the bootloader mode. Follow the instructions for your device below to find out to do that:

Nexus 7: Hold down the Volume down and Power buttons together till the screen turns on. Then, using the volume buttons, scroll to the Recovery mode option, then select it using the power button to reboot the tablet into CWM recovery.

Nexus 10: Hold down the Volume Up + Volume down + Power buttons together till the screen turns on. Then, using the volume buttons, scroll to the Recovery mode option, then select it using the power button to reboot the tablet into CWM recovery.

[Important] Now, you should make a backup of your currently installed ROM. This is a backup of the whole ROM and will restore the tablet to the state it was in before you flash Ubuntu OS in case you want to go back to Android, unlike the backup in step 1 which only restores apps and personal data. To take a backup, select Backup and Restore,then select Backup again. Go back to main recovery menu after backup is complete.

Select wipe data/factory reset, then select Yes on next screen to confirm. Wait a while till the data wipe is complete (this will only wipe installed apps and settings, but will not wipe files on the SD card).

Select install zip from sdcard, then select choose zip from sdcard. Scroll to the device file (downloaded in step 4.2) and select it. Confirm installation on the next screen. NOTE: You might need to select “/0″ first in order to see the files on the SD card.

After installation is complete, select choose zip from sdcard again, then select the main Ubuntu OS file (downloaded in step 4.1) to install the actual OS. This will take some time, up to 10 minutes.

After installation completes, go back to the main recovery menu by selecting go back, then select reboot system now to reboot the tablet. The screen will go blank for a few seconds after the Google logo, after which Ubuntu will boot up.

Going back to Android: In case you want to go back to Android after trying out Ubuntu, turn off the tablet and boot into recovery (see step 6). Then, select the backup and restore » restore option, then select your ROM backup and confirmation restoration. This will restore your Android ROM, after which you can reboot the tablet to go back to using your tablet normally.

Be sure to check out the official Ubuntu for tablets website for all the features of the OS.

Physical Ram Attack Can Root Android And Possibly Other Devices

The attack stems from the push over the past decade to pack more DRAM (dynamic random-access memory) capacity onto increasingly smaller chips, which can lead to memory cells on adjacent rows leaking electric charges to one another under certain conditions.

For example, repeated and rapid accessing of physical memory locations — an action now dubbed “hammering” — can cause the bit values from adjacent locations to flip from 0 to 1 or the other way around.

While such electrical interference has been known for a while and has been studied by vendors from a reliability standpoint — because memory corruption can lead to system crashes — researchers have shown that it can also have serious security implications when triggered in a controlled manner.

In March 2023, researchers from Google’s Project Zero presented two privilege escalation exploits based on this memory “row hammer” effect on the x86-64 CPU architecture. One of the exploits allowed code to escape the Google Chrome sandbox and be executed directly on the OS and the other gained kernel-level privileges on a Linux machine.

Since then, other researchers have further investigated the problem and have shown that it could be exploited from websites through JavaScript or could affect virtualized servers running in cloud environments. However, there have been doubts about whether the technique would also work on the significantly different ARM architecture used in smartphones and other mobile devices.

But now, a team of researchers from the VUSec Group at Vrije Universiteit Amsterdam in the Netherlands, the Graz University of Technology in Austria, and the University of California in Santa Barbara has demonstrated not only are Rowhammer attacks possible on ARM, but they’re even easier to pull off than on x86.

The researchers dubbed their new attack Drammer, which stands for deterministic Rowhammer, and plan to present it Wednesday at the 23rd ACM Conference on Computer and Communications Security in Vienna. The attack builds upon previous Rowhammer techniques devised and demonstrated in the past.

The VUSec researchers have created a malicious Android application that doesn’t require any permissions and gains root privileges when it is executed by using undetectable memory bit flipping.

The researchers tested 27 Android devices from different manufacturers, 21 using ARMv7 (32-bit) and six using ARMv8 (64-bit) architectures. They managed to flip bits on 17 of the ARMv7 devices and one of the ARMv8 devices, indicating they are vulnerable to the attack.

Furthermore, Drammer can be combined with other Android vulnerabilities such as Stagefright or BAndroid to build remote attacks that don’t require users to manually download the malicious app.

Google is aware of this type of attack. “After researchers reported this issue to our Vulnerability Rewards Program, we worked closely with them to deeply understand it in order to better secure our users,” a Google representative said in an emailed statement. “We’ve developed a mitigation which we will include in our upcoming November security bulletin.”

Google’s mitigation complicates the attack, but it doesn’t fix the underlying problem, according to the VUSec researchers.

In fact, fixing what is essentially a hardware issue in software is impossible. Hardware vendors are investigating the problem and may be able to fix it in future memory chips, but chips present in existing devices will likely remain vulnerable.

Even worse, it’s hard to say which devices are affected because there are many factors that come into play and haven’t yet been fully investigated, the researchers said. For example, a memory controller might behave differently when the device battery level is under a certain threshold, so a device that doesn’t appear to be vulnerable under a full charge might be vulnerable when its battery is low, the researchers explained.

Also, there’s an adage in cybersecurity: Attacks always get better, they never get worse. Rowhammer attacks have grown from theoretical to practical but probabilistic and now to practical and deterministic. This means that a device that does not appear to be affected today could be proven vulnerable to an improved Rowhammer technique tomorrow.

Drammer was demonstrated on Android because the researchers wanted to investigate the impact on ARM-based devices, but the underlying technique likely applies to all architectures and operating systems. The new attack is also a vast improvement over past techniques that required either luck or special features that are present only on certain platforms and easily disabled.

Drammer relies on DMA (direct memory access) buffers used by many hardware subsystems, including graphics, network, and sound. While Drammer is implemented using Android’s ION memory allocator, APIs and methods to allocate DMA buffers are present in all operating systems, and this warning is one of the paper’s major contributions.

“For the very first time, we show that we can do targeted, fully reliable and deterministic Rowhammer without any special feature,” said Cristiano Giuffrida, one of the VUSec researchers. “The memory massaging part is not even Android specific. It will work on any Linux platform — and we suspect also on other operating systems — because it exploits the inherent properties of the memory management inside the OS kernel.”

“I expect that we’re going to see many other flavors of this attack on different platforms,” added Herbert Bos, a professor at Vrije Universiteit Amsterdam and leader of the VUSec Systems Security research group.

Along with their paper, the researchers have released an Android app that can test if an Android device is vulnerable to Rowhammer — at least to the currently known techniques. The app is not yet available on Google Play but can be downloaded from the VUSec Drammer website to be installed manually. An open-source Rowhammer simulator that can help other researchers investigate this issue further is also available.

Windows 7 Users Prefer Ie9 To Firefox 4.0 And Chrome 12

Windows 7 users have warmed up to Internet Explorer 9 more than they have with any direct rival of this IE version, namely Firefox 4.0 and Chrome 12. According to statistics from Internet metrics firm Net Applications, this is valid both in the United States and worldwide, with IE9 grabbing the second spot in terms of usage share behind its precursor, Internet Explorer 8. At the end of June 2011, some 47.94% of Windows 7 users in the US were still running IE8, a consistent drop compared to the previous month’s usage statistics, when it accounted for as much as 53.54%. In the same period of time, IE9’s usage share surged from just 13.98% to as much as 19.56%, taking into consideration only Windows 7 customers in the US. At the end of the past month, Firefox 4.0 was used only by 11.30% of those also leveraging Windows 7, up from 11.22% the month before, while Chrome 12 had a usage share of just 8.45%. “June was another good month for Internet Explorer 9 and Windows 7. IE9 has now become the most popular modern browser on Windows 7 in the US. IE9 is now just second overall in the US behind IE8 with 21.8% usage share as of the last day of June. Worldwide, IE9 usage share on Windows 7 is exiting the month with 17.0% usage share for June,” said Roger Capriotti, director, Internet Explorer Product Marketing. “We designed IE9 to make your favorite sites better. A key piece of that is getting sites out of the browser box and letting them integrate right into your Windows 7 taskbar just like any of your favorite apps.” An overview of the market reveals that IE continues to lose market share, dipping from 54.27% to 53.68% in the past couple of months. Firefox too went down to 21.67% from 21.71%, while Chrome continues to attract users, climbing consistently from 12.52% to 13.11% between May and June 2011. Overall, IE8 still retains the browser king crown with a usage share of 30.07% while Firefox 4.0 has jumped into the second position with 10.46%. Net Applications puts IE9 at just 5.63% when all operating systems are taken into consideration, which is unfair to the browser, since it only supports Windows Vista and Windows 7.

Update Verizon Galaxy Nexus To Android 4.0.4

Finally, the wait is over for those owning a Verizon branded Galaxy Nexus as the official Android 4.0.4 update for it has been leaked and is available for manual flashing. Android 4.0.4 brings a lot of performance improvements and stability fixes, so it goes without saying that it’s quite an important update.

This update is for both the CDMA and LTE variants. However, the procedure below is a little complex, so make sure read it very carefully before attempting to update your device.

Now let’s take a look at how you can update your Verizon Galaxy Nexus (CDMA/LTE) to Android 4.0.4.

Compatibility

This ROM and the guide below are compatible only and only with the Verizon Galaxy Nexus CDMA/LTE, model number i515. It’s not compatible with any other device. Check your device model in Settings » About phone.

Warning!

The methods and procedures discussed here are considered risky and you should not attempt anything if you don’t know completely what it is. If any damage occurs to your device, we won’t be held liable.

Very Important! You must be on the stock Android 4.0.2 ROM and stock 4.0.2 radios (baseband) on your phone. Go to Settings » About phone on the phone, and ensure that:

Under Baseband Version, it says either EK02 or EK05 (or both) which are the stock 4.0.2 radio versions. There may be more text there, but ensure that the text includes EK02 or EK05 (or both).

The text under Build Number includes ICL53F which is the build number of the stock Android 4.0.2 ROM.

Important! Don’t forget to at least make a backup of your APN settings, which you can restore later if your data connection does not work after installing the ROM. Use the backup guide to find out how.

Important! You must unlock the bootloader on your Nexus. You can use this tool for unlocking the bootloader. You will lose all installed apps and data (but SD card data will not be deleted) by unlocking the bootloader, so make sure you have followed step 2 prior to this.

Download Drivers

Download the following files:

Filename: 12f767e7a5d0.signed-mysid-IMM76K-from-ICL53F.12f767e7.zip

Copy the two zip files downloaded in step 5.1 and 5.2 above to the SD card on your phone, and remember where you copy them to.

Extract the Fastboot.zip file to the C: drive on your computer to get a folder named Fastboot with four files inside it.

Copy the recovery-clockwork-touch-5.8.0.2-toro.img file downloaded in step 5.4 to the Fastboot folder on C drive. You should have 5 files in the Fastboot folder now.

Enter fastboot mode. To do this, turn off the phone, then press and hold the following keys together: Power + Volume Up and Down. You will enter Fastboot mode. Then connect your phone to the computer once you are in fastboot mode.

Open Command Prompt on your computer from Start » All Programs » Accessories.

Now, type the following commands in command prompt to boot into CWM recovery temporarily, pressing Enter after each command (Check the screenshot after step 11.3 for reference).

cd c:Fastboot

fastboot devices (this is to ensure the phone gets detected. A string of numbers and letters should appear if the phone is properly detected, as shown in screenshot below. Else, make sure you have the phone drivers properly installed)

The phone will now reboot into Clockworkmod recovery.

Perform a wipe:

Select wipe cache then select Yes on next screen to confirm.

After the installation is complete, select choose zip from sdcard again, then scroll to and select the IMM76K_RADIOS_BOOTLOADER.zip file to flash the 4.0.4 radios and bootloader.

After the installation of the radios/bootloader package is complete, select go back then select reboot system now to reboot the phone.

How To Get Fortnite For Android On Samsung Devices.

If you own one of the following Samsung devices, S7/Edge, S8/+, S9/+, Note 8, Note 9, Tab S3, and Tab S4, you can now download and play Fortnite. Unfortunately, as Epic Games has decided to bypass the Play Store you’ll need to follow a different path to install the game, so follow along as we show you how to install Fortnite on your Samsung device.

How to Play PUBG Mobile With a Controller.

As the rumors suggested Epic Games has decided to completely skip the Google Play Store for the release of Fortnite on Android. The simple reason for this was to avoid Google’s 30% cut of profits, which is a valid point on Epics part. Sadly though this has made the installation process a little more complicated for end users, though the process isn’t as hard as you may think. So without further adieu let’s begin.

How Do You Install Fortnite on Android? Easy!

To begin, the first thing you need to do is head on over to the Fortnite website using your Samsung device: chúng tôi Once you get to the main page tap the Samsung button and you will be redirected to the Fortnite section of the Galaxy App Store.

Once you are there, simply tap the Install button to download the installation files.

I would suggest making sure you do this on a WiFi connection as the game is quite large and will devastate your mobile data plan. In total the main game is a little over 1gb. When the file finishes downloading it should automatically launch the installer. When it does, tap the Install button and Fortnite for Android will begin downloading. (Remember to use WiFi if you don’t have an unlimited mobile data plan)

During the process you will have to accept a variety of different permissions, including storage, if you fail to accept any requests, you won’t be able to download Fortnite. When it finishes tap Launch. If you are feeling lonely because none of your friends own a Samsung device, they can sign up for the Fortnite Android Beta using the link below.

Alternatively, if they don’t want to wait for the official Fortnite Beta invite, they can get access now using the methods shown in our Fortnite Non-Samsung Device Installation guide.

All of the Currently Compatible Fortnite Android Beta Devices.

Samsung Galaxy: S7 / S7 Edge, S8 / S8+, S9 / S9+, Note 8, Note 9, Tab S3, Tab S4 Google: Pixel / Pixel XL, Pixel 2 / Pixel 2 XL, Asus: ROG Phone, Zenfone 4 Pro, 5Z, V Essential: PH-1 Huawei: Honor 10, Honor Play, Mate 10 / Pro, Mate RS, Nova 3, P20 / Pro, V10 LG: G5, G6, G7 ThinQ, V20, V30 / V30+ Nokia: 8 OnePlus: 5 / 5T, 6 Razer: Phone Xiaomi: Blackshark, Mi 5 / 5S / 5S Plus, 6 / 6 Plus, Mi 8 / 8 Explorer / 8SE, Mi Mix, Mi Mix 2, Mi Mix 2S, Mi Note 2 ZTE: Axon 7 / 7s, Axon M, Nubia / Z17 / Z17s, Nubia Z11

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