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Ubuntu Tutorial For Beginners:- https://bit.ly/2JW4g2r
AWS Tutorial For Beginners :- https://bit.ly/2tl0mWy
Windows Server Tutorial for Beginners :- https://bit.ly/2MFlLCW

How to fix System Running on Low Graphics Mode in Ubuntu https://youtu.be/FLEe5euT-xk

How to install Tomcat 8 in Ubuntu
https://youtu.be/sLyxKcO37HY

How to install Samba Server on Ubuntu
https://youtu.be/frgzYFrvQkM

How to install QT install Ubuntu
https://youtu.be/IZxNXNfwyKA

How to Install Node js and Angular js in Ubuntu
https://youtu.be/2oxfFJ4BIBo

How to install net tools in Ubuntu
https://youtu.be/_VoPehiY_UI

How to Install MySQL Workbench in Ubuntu
https://youtu.be/9Ez5S0sCDlY

How to Install Code Block and create Project C++ in Ubuntu
https://youtu.be/yXt8lVoWSvk

How To install CMake in Ubuntu
https://youtu.be/HKPAmqDXbms

How to install and use Tweak Tool in Ubuntu
https://youtu.be/onS7TFLbtV8

How to Create Desktop icon shortcut in Ubuntu
https://youtu.be/DXVhlNp9gMI

How to install Visual Studio Code in Ubuntu
https://youtu.be/mfxP0REDWs4

How to Install Tally Server 9 in Windows 10
https://youtu.be/2EN1-mxcOYA

How to install Tally ERP 9 in Windows 10, win7, Win8
https://youtu.be/YGlsIPBMtXw

How to Configuration RAID 5 Disk in Windows Server 2016/2019
https://youtu.be/w_d2OVVYekg

How to Create VHD Disk & Mount in Windows Server 2016/2019
https://youtu.be/P8cb9yPg7fY

Logon Script Network Share Drive in Windows Server 2016/2019
https://youtu.be/Zm98dxLc0mk

How to Enable Hyper-V in Windows 10 and Install Windows Server 2016/2019
https://youtu.be/m88oqxRV4Sc

How To Install Ubuntu 19.04 in Hyper-V, Desktop, Laptop, VMWare
https://youtu.be/_fHJbozq0fg

How to install WordPress Server in Window 10,Window 7, Windows Server 2019,2016,2012
https://youtu.be/aJo5byBLxT8

How to install Orcle JAVA & JDK in Ubuntu 19.04,18.10,18.04
https://youtu.be/XJ2_F-nT7Lw

How to install Android Studio in Windows 10
https://youtu.be/urp-C0fITKw

How to install auto driver dell laptop in windows 10
https://youtu.be/CNJUqtFVOR8

How to install java in windows 10 and set environment
https://youtu.be/Iyl0FLOTedc

How to Install Node js in Windows 10 and Install npm
https://youtu.be/5qWvI9A9-FY

After Effect 2019 Could not find the user documents directory,After Effect 2020
https://youtu.be/SvkVkv5LMGA

This is no longer located in can't delete file, Windows and Windows server
https://youtu.be/KCbj9rkOOAI

How to turn off Bit Locker in Windows 10 USB Drive, Pen Drive
https://youtu.be/g7q4RDFBsI0 , https://youtu.be/5FmbGayzg-k

Netgear NAS Drive 212 Open box and overview & create & Delete Share Folder
https://youtu.be/XnWuqua95IE
https://youtu.be/bm1zi5Ms-co
https://youtu.be/pamI27S0AHc
https://youtu.be/p8_3oyqE0R0

Gitalb Server Installion and Configration in Ubuntu Server:-
https://youtu.be/66tz2NGKmOo
https://youtu.be/PKqNaAt0Jow
https://youtu.be/qCk9hYNl9bQ
https://youtu.be/0VmazjJ1yIU
https://youtu.be/jUkrUaViB-U

flutter installation on ubuntu:-
https://youtu.be/mdu7VEzAUOI

Open Terminal and type below Command :
Open Java and JDK:-
sudo apt install default-jre
sudo apt install openjdk-11-jre-headless
sudo apt install openjdk-8-jre-headless
sudo apt install default-jre
java -version
sudo apt install default-jdk
javac -version

Open Terminal and type bleow Command :-
Oracle Java and JDK:-
1. sudo apt-get update
2. sudo mkdir /usr/lib/jvm
3. cd /usr/lib/jvm
4. sudo tar -xvzf ~/Downloads/jdk-8u221-linux-x64.tar.gz
5. sudo gedit /etc/environment
6. PATH="/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/sbin:/bin:/usr/games:/usr/local/games:/usr/lib/jvm/jdk1.8.0_221/bin:/usr/lib/jvm/jdk1.8.0_221/db/bin:/usr/lib/jvm/jdk1.8.0_221/jre/bin"
J2SDKDIR="/usr/lib/jvm/jdk1.8.0_221"
J2REDIR="/usr/lib/jvm/jdk1.8.0_221/jre"
JAVA_HOME="/usr/lib/jvm/jdk1.8.0_221"
DERBY_HOME="/usr/lib/jvm/jdk1.8.0_221/db"

7.sudo update-alternatives --install "/usr/bin/java" "java" "/usr/lib/jvm/jdk1.8.0_221/bin/java" 0
sudo update-alternatives --install "/usr/bin/javac" "javac" "/usr/lib/jvm/jdk1.8.0_221/bin/javac" 0
sudo update-alternatives --set java /usr/lib/jvm/jdk1.8.0_221/bin/java
sudo update-alternatives --set javac /usr/lib/jvm/jdk1.8.0_221/bin/javac

8. update-alternatives --list java
update-alternatives --list javac

9. java -version