Technical notes

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 By default, the hotspot does not work on the phone. It will ask you to contact the provider. This video will help you bypass the network provider and enable and fix hotspots in TPG or SIMBA.    

 MX Q Pro 4K is a very low price Android TV box. It cost usually around 15 USD!! The only issue it restarts or stuck on the logo since the CPU is ARMv7 and the RAM is not more than 2GB. Netflix hi-res and Youtube 4K will generate a restart or black screen. The fix for this is in my video.     

 How to Replace the Battery or Mudguard on a Crony Electric Scooter. How to Replace the Battery or Mud Guard on Your Crony Electric Scooter.  Learn how to replace the battery or mud guard on your Crony electric scooter with this step-by-step guide. Follow our easy instructions to ensure your scooter stays in top condition for a smooth and safe ride.     #scooter #mudguard #batteryreplacement #crony    

 Setting up Apple TV step-by-step.  Configure Prime Video for Apple TV 2012.    #appletv4k #appletv #primevideo #amazon    

 List of issues:  Apple TV Gen 3 Activation Failed, No Airplay  Apple TV 3rd Gen failed activation FIX Apple TV 3rd generation will to not accept my Netflix login and it will no enable airplay.   Apple TV 3rd gen activation fail    Apple forum post says that can not be fixed: https://discussions.apple.com/thread/255048550?sortBy=best  https://www.ifixit.com/Answers/View/714372/Are+the+activation+servers+down #appletv4k #apple #appletv    And I have the fix for you here -    So enjoy and like and subscribe.

  Limitations:  Software Updates: Apple discontinued software updates for this model in 2015, so it lacks the latest features and security updates.  App Support : It doesn't support the tvOS App Store, so you won't have access to new apps and services that are available on newer Apple TV models.  Streaming Quality: The 3rd generation Apple TV supports up to 1080p HD streaming but not 4K HDR, which is becoming the standard for streaming content.  Performance : The hardware is quite dated, leading to slower performance and potentially more lag when navigating or streaming.  Potential Uses:  Basic Streaming : If you only need a device for basic streaming services like Netflix, Hulu, and YouTube, it could still be functional if these apps are still supported.  AirPlay : It can still be used as an AirPlay receiver, allowing you to stream content from your iPhone, iPad, or Mac to your TV.  Spare Device : It can serve as a backup or be used in sec...

This is my first tutorial for you guys. I have 12+ years of experience in IP telecommunication, networking, A/V media and computer vision.    This tutorial is the start of a long line of tutorials. With this, you will have in hand experience of how to write TCP server-client applications that can be used for chat and audio-video calls in the long run. So please stay tuned and do not miss it! I will also put a series of tutorials for Android native network programming.                                                      https://youtu.be/Faa_tqJpTzM?si=JDuYgE13_rwxdZY6

 Details can be found here -

 error: cannot find symbol  if (!com.google.protobuf.GeneratedMessageV3.isStringEmpty(appId_))  {  ^ symbol: method isStringEmpty(Object) location: class GeneratedMessageV3    How to fix it? Details on the video.   Details can be found here.

 Details coming soon! For now, enjoy the shorts!

When running maven project or any project in IntelliJ that depends on some credential and configuration it is very hard to provide it every time on the terminal using export. You can do it by either export or by putting it to bashrc or zshrc profile. Here is an way where you can do it just by using a file and a plugin and this will be used only in the IntelliJ build and run. To do that create a .env file using your all the export. Make sure not to add the export command. Only the assignment or declaration. Example: report-server.env   DC="local_cluster" SERVICE_NAME="NA" ENVIRONMENT="dev" SSL_KEY_STORE_PASSWORD="LAFSHTDBJIWQVHBHSHJD" SERVER_MODE="MASTER" REPORT_SERVER_HOST="localhost" After that you need to install a plugin in the IntelliJ Idea. To do that, open IntelliJ and  go to the Settings -> Plugins . On the popup window search box type "EnvFile" and install the EnvFile plugin.              ...

If you have a REST server it is mandatory to have some standard security in place. The first and foremost security is connection to your REST services and APIs. Basic is make it HTTPS. Now as it is an web service usually it has HTTP on it. You can stop it by blocking the port 80 which is not OK in case you are doing scale up and scale down of your service. So what to chose? Easy way is to use the web.conf   file in the Azure application services wwwroot directory as a place. Just put the following texts on the wwwroot/web.conf file and restart the service. <?xml version="1.0" encoding="UTF-8"?> <configuration>   <system.webServer>     <rewrite>       <rules>         <!-- BEGIN rule TAG FOR HTTPS REDIRECT -->         <rule name="Force HTTPS" enabled="true">           <match u...

Suddenly on 06/06/2018 around 7:20am UTC), our Azure application services stopped running.  We were seeing the following error: Process '5324' failed to start. Port = 29399 Error Code = '-2147023436'. Restarting the services doesn't help. Error on eventlog.xml dumped as - <Events>     <Event>         <System>             <Provider Name="HttpPlatformHandler"/>             <EventID>1000</EventID>             <Level>1</Level>             <Task>0</Task>             <Keywords>Keywords</Keywords>             <TimeCreated SystemTime="201...

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RHEL 6.x doesn't comes with python3. So if any of your project require python3 and also some of the projects need python2 then you may need those 2 version same time in your system. Prerequisite: gcc (C89)/g++ ld ranlib How: 1. Download python3.x package from https://www.python.org/downloads/release/python-343/ 2. Extract it and move inside the package python-3.4.3 $ cd /python-3.4.3 3. Open a console and run the following configure command. We will build python with shared library support as many of the other project will require python3 dynamic library linking. so, configure it by, $ ./configure --prefix=/opt/python3 --enable-shared We are putting build output directory as /opt/python3. 4. After completion now build it by, $ make  5. Then install it by alternate installation by, $ make altinstall 6. Now create a symlink of the newly created python3 binary and copy the shared library to the /lib64/ directory of filesystem. $ ln -s /opt/python3/b...

IPv6 comes with various IP address terminology which can be assign to a system. Lets simply clarify their name and scope of reachability respect to IPv6.  In general it has four address type one of which is depreciated by RFC standard. 1. Link Local Address (LLA) Description:  Link-local address can be access in directly connected router. Its basically same as IPv4 private address.   2. Unique Local Address (ULA) Description: Unique Local Address(ULA), they will often be advertised by IPv6 home gateways for subscriber local use only, and won't be reachable anywhere outside the home. Unique Local Address (ULA), which is an address that is used for local communication in a site – within a company, within a campus or within a set of networks in branch offices. 3. Site Local Address Description: Deprecated. 4. Global Unicast Address Description:  Global unicast address is basically reachable from anywhere in internet. IPv6 unicast glob...

When using myDSN and connection to remote DB(MySQL) this issue arise. Error: : relocation error: /usr/lib64/libmyodbc5.so: symbol strove  version libmysqlclient_16 not defined in file libmysqlclient_r.so.16 with link time reference Cause: this is an issue of back dated odbc-connector. You can check by systems'  isql  command that   it's also returning same error. It's happen when there is a mismatch between the version of,  mysql-connector-odbc-5.1. 5r114 4-7.el6.x86_64.rpm & MySQL-shared-compat-advanced- 5 .6.22-1.el6.x86_64 Solution: Download and install mysql-connector-odbc-5.3.4-1. el6.x86_64.rpm by, wget  http://ftp.kaist.ac.kr/ mysql/Downloads/Connector- ODBC/5.3/mysql-connector-odbc- 5.3.4-1.el6.x86_64.rpm rpm -Uvh mysql-connector-odbc-5.3.4-1. el6.x86_64.rpm And after that change the following file, $ vi /etc/odbcinst.ini [MySQL] Description     ...

Error: curl: (35) Unknown SSL protocol error Cause: For node.js https connection you are using invalid certificate. Invalid certificate is because the procedure you create the certificate. Solution:  Use the following mechanism to generate certificate and key. openssl req -x509 -sha256 -newkey rsa:2048 -keyout key.pem -out cert.pem -days XXX

Error: fs.js:552   var r = binding.read(fd, buffer, offset, length, position);                   ^ Error: EISDIR, illegal operation on a directory     at Error (native)     at Object.fs.readSync (fs.js:552:19)     at Object.fs.readFileSync (fs.js:384:28)     at /usr/eyeball/auth_server/js/ server.js:98:15     at Socket.<anonymous> (/usr/eyeball/auth_server/js/ util/process.js:11:5)     at Socket.emit (events.js:129:20)     at _stream_readable.js:908:16     at process._tickCallback (node.js:355:11) This error happen when you use invalid file path for opening and reading using nodejs dependency library fs.  Solution: File must be the file path with the file name. Not the file directory.