JSDevLife

Installing Ethereum Mist On Ubuntu The Mist browser is the tool of choice to browse and use Ðapps or blockchain apps. So you are a beginner at ethereum development then you will require to install Mist for better development view. So let's start with installing Mist. Go to  Mist Github Release link You can select any mist as per your OS is, and download it. Now I will show it on Ubuntu installation. Go to Download folder and run following command. $ sudo dpkg --install Mist-linux32-0-11-1.deb  if this will not work then run the same command with force as follow. $ sudo dpkg --install --force-all Mist-linux64-0-11-1.deb Now when you run mist command then it will open the mist browser. Thanks if you have any queries please comment it out.   

Java JDK is the essential part of developer life to run & develop applications. In this tutorial, we are going to see how to install Java JDK on Ubuntu 18.04. Open Terminal by pressing Ctrl+ Alt+ T   or directly searching from the search bar. Run following commands vikas@machine:~$ sudo add-apt-repository ppa:linuxuprising/java vikas@machine:~$ sudo apt-get update vikas@machine:~$ sudo apt-get install oracle-java10-installer It will ask you to accept the License Agreement  After this, you will see the following type of message on the terminal. Now we need to run a command to set JDK 10 as default JDK, run the following command for it. vikas@machine:~$ sudo apt-get install oracle-java10-set-default Now run java --version on the terminal you will see the following message when you have configured JDK successfully. Here your JDK is ready...

Following are the steps to  Upgrade Ubuntu 16.04 to 18.04 : If you are planning to  upgrade to Ubuntu 18.04 and you don't know  how to upgrade ubuntu 16.04 to 18.04 then you are the perfect place. I will show you how to do it,  follow the following steps to install it. Search Software Updater & Select Software Updater. Go to Software Updater Select Setting from Software Updater. Go to Updates tab and Then select the following version selection as we are going for LTS(Long Term Support) select Long term Support . After that close this window and click on Install Now. The installation will start we have to wait to complete this installation.   After this click on Restart Now Button. You will think that after restart it will finish but not we have just updated the packages, We have to install it. To install it open the terminal and run following command mymac...

Image Source: Wikipedia As you have started to learning flutter and you have tried to install their dependencies from flutter official document. And when you tried to install it and if you get the following error. you can fix it easily. flutter init - o my_app Resolving dependencies ... Error on line 17 , column 16 of pubspec . yaml : Invalid version constraint : Could not parse version "^1.4.0" . Unknown text at "^1.4.0" . stack_trace : ^ 1.4 .0 you will get Invalid version contraint error then the following are the possibilities. Your Dart version can be outdated so you can install it using following command brew install dart@ 2 sudo apt-get install dart Set your path properly: export PATH =[ PATH_TO_FLUTTER_GIT_DIRECTORY ]/ flutter / bin : $PATH Thats it... I hope this will fix your issue.