Category: software

Avoid Bluestacks until they fix their nasty bug!

by Admin

This started out as a simple link to an installation tutorial that we found:

Now days Android is leading mobile operating system , there are wide range of app and games in android , If you are really fond of using android applications but unfortunately you don’t have any android supported Phone. Then don’t worry you can still enjoy all the Android application and Games on your PC and Laptop, One software will helps you to make your dream come true. Now days Bluestacks is one of the famous and working Software Which convert any android apps in Windows or Mac version. By using Bluestacks software you can run easily any android app on your pc or laptop.

Full article here (but DON’T DO THIS until they fix the bug!):
How to run android apps on pc using bluestacks? (Techypassion)

In addition to the Windows versions, there is also a Mac version of the Bluestacks software, and that’s what we tried. But as soon as you install it and attempt to run it, to comes up with an error message that reads:

“Network Issue. The network is experiencing some problem. Please retry or cancel.”

If you put this error into Google, you find that many other potential users, using both the Windows and Mac versions of this software, have run into this issue. And when one user attempted to get help, what did the company do? They addressed a completely different issue and then marked the thread as “answered”, basically washing their hands of the issue.

Well, this bug still exists, and it stops you cold after you have installed the software. So for now, Bluestacks earns our “avoid this software package” designation. Don’t waste a minute of your life trying to install and run this thing, because several users with more experience than us have apparently tried and failed. But if you ignore our advice and somehow manage to get it working, please leave a comment telling us how you did it!

EDIT: In the meantime, here’s another way to run Android on your PC or Mac, though we haven’t actually tried this one yet:

The Complete Guide to Run Android 4.3 in VirtualBox (Make Tech Easier)

Link: OctoPi – 3D Printer Web Server Distribution for the Raspberry Pi

by Admin

I am happy to say that I am a backer of the Rigidbot 3D printer, (which you can pre-order already), I am expecting it to arrive in August. In the meantime, I have ordered a Raspberry Pi to play with and started visiting a local maker community known as XLN.

This led me to find a really cool project called OctoPrint, which lets you control 3D printers using a Raspberry Pi over a web interface, however people were not installing it on their Pis because there was no out-of-the-box solution. Today I am happy to announce that a solution is here! I give you Octoprint + Rapberry Pi = OctoPi. A raspberry Pi distribution which runs OctoPrint out of the box, with support for time-lapse video on webcams (there is also an experiential version in the works that supports streaming from a raspberry Pi camera).

Full article here:
OctoPi – 3D Printer Web Server Distribution for the Raspberry Pi (Guysoft’s Weblog)

Link: Automatically restart SSH sessions and tunnels Using Autossh

by Admin

autossh is a program to start a copy of ssh and monitor it, restarting it as necessary should it die or stop passing traffic.

Automatically restart SSH sessions and tunnels Using Autossh (Ubuntu Geek)

Link: Chromecast: Exploiting the Newest Device By Google

by Admin

Chromecast-stockOn Wednesday, July 24th Google launched the Chromecast. As soon as the source code hit we began our audit. Within a short period of time we had multiple items to look at for when our devices arrived. Then we received our Chromecasts the following day and were able to confirm that one of the bugs existed in the build Chromecast shipped with. From that point on we began building what you are now seeing as our public release package.

Exploit Package:
Our Chromecast exploit package will modify the system to spawn a root shell on port 23. This will allow researchers to better investigate the environment as well as give developers a chance to build and test software on their Chromecasts. For the normal user this release will probably be of no use, for the rest of the community this is just the first step in opening up what has just been a mysterious stick up to this point. We hope that following this release the community will have the tools they need to improve on the shortfalls of this device and make better use of the hardware.

Full story here:
Chromecast: Exploiting the Newest Device By Google. (GTVHacker)

Additional comment: These devices might be a lot more useful to some of us if someone could figure out how to 1) Add a wired network connection, 2) Add an optical audio output for those of us with older receivers (that don’t have HDMI connections) and TVs (that don’t pass audio from a HDMI port back to the receiver). They’re obviously selling these to the low-income crowd, so why would they not assume that you might want to connect this to perfectly good but slightly dated equipment that requires optical audio, or maybe even to a large screen computer monitor that doesn’t have any audio capabilities?

Additional additional comment: If the XBMC developers could create an add-on that would emulate the Chromecast device and in effect turn XBMC into a Chromecast receiver WITHOUT the need for the Chromecast dongle, that would make us VERY happy!

 

Link: How to Move Your Home Folder to Another Partition [Linux/Ubuntu]

by Admin

If you have accepted the default option while installing Ubuntu, or that your computer comes with Ubuntu pre-installed, chances are that your Home folder and the system folders all lie in the same partition. This is perfectly fine, but if you want to upgrade your existing Ubuntu version, or reinstall Ubuntu, you won’t be able to preserve your app settings, or even retain your files and documents. One of the good practice is to give the Home folder its own partition, so whatever changes you made to the System folder won’t affect your Home directory, and you can easily upgrade or reinstall Ubuntu with ease.

If you want to move your Home folder to another partition, here is how you can do so.

How to Move Your Home Folder to Another Partition [Linux/Ubuntu] (Make Tech Easier)

Link: How to convert from .deb to .rpm and viceversa

by Admin

deb is the extension of the Debian software package format and the most often used name for such binary packages. Debian packages are standard Unix ar archives that include two gzipped, bzipped or lzmaed tar archives: one that holds the control information and another that contains the data. The accepted program for handling these packages is dpkg, commonly used via other programs such as apt/aptitude or Gdebi.

RPM Package Manager (RPM) is a package management system. The name RPM variously refers to the .rpm file format, files in this format, software packaged in such files, and the package manager itself. RPM was intended primarily for GNU/Linux distributions; the file format is the baseline package format of the Linux Standard Base.

If you can only find some software you want to install in one of these package types but you need the other, this article tells you what to do. Note we are just passing along the link, and do not guarantee that this will work:

How to convert from .deb to .rpm and viceversa (Linuxaria)

Link: The Ten Minute Guide to diff and patch

by Admin

This is a quick guide to diff and patch which will help you in these situations by describing the tools as they are most commonly used. It tells you enough to get started right away. Later, you can learn the ins and outs of diff and patch at your leisure, using the man pages.

The Ten Minute Guide to diff and patch (stephenjungels.com)

Link: Build an LED Indicator with a Raspberry Pi (for Email, Weather, or Anything)

by Admin

The Raspberry Pi makes a nice compact platform to attach an indicator light to for all sorts of projects—weather notification, new emails, etc. Read on as we show you how to hook up an LED module to your Pi and set up some basic notifications.

Build an LED Indicator with a Raspberry Pi (for Email, Weather, or Anything) (How-To Geek)

Link: BASH Frequently Asked Questions

by Admin

Here is something we could have used a few times in the past, had we known it existed:

These are answers to frequently asked questions on channel on the freenode IRC network. These answers are contributed by the regular members of the channel (originally heiner, and then others including greycat and r00t), and by users like you. If you find something inaccurate or simply misspelled, please feel free to correct it!

All the information here is presented without any warranty or guarantee of accuracy. Use it at your own risk. When in doubt, please consult the man pages or the GNU info pages as the authoritative references.

BASH is a BourneShell compatible shell, which adds many new features to its ancestor. Most of them are available in the KornShell, too. The answers given in this FAQ may be slanted toward Bash, or they may be slanted toward the lowest common denominator Bourne shell, depending on who wrote the answer. In most cases, an effort is made to provide both a portable (Bourne) and an efficient (Bash, where appropriate) answer. If a question is not strictly shell specific, but rather related to Unix, it may be in the UnixFaq.

This FAQ assumes a certain level of familiarity with basic shell script syntax. If you’re completely new to Bash or to the Bourne family of shells, you may wish to start with the (incomplete) BashGuide.

If you can’t find the answer you’re looking for here, try BashPitfalls. If you want to help, you can add new questions with answers here, or try to answer one of the BashOpenQuestions.

Link: BASH Frequently Asked Questions

Over 100 questions are answered here. And in case you missed it above, this page only shows the questions – you have to click on the links that follow each question to see the answers.

People often don’t realize how powerful BASH really is. Very often people will try to write a program in a higher level language to do a simple task that could easily be done entirely in BASH. Look this page over and you might realize that you can do a lot more with BASH than you thought. And BASH is available in every version of Linux we’ve ever encountered (note we did not say “installed by default”, though it often is nowadays). Even small computers such as Raspberry Pis will usually have BASH installed as part of the operating system.

Link: How to set up a VNC server on a Raspberry PI, a VNC client on an Android device, and use the two together

by Admin

I think the title above more accurately describes what is shown in this article than the tile they picked. Just good basic information on how to do this:

Connecting via VNC to Raspberry PI from the Google Nexus 7 (Everyday Linux User)

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