text Instalacion de java en ubunti

Posted 2021-04-29

https://www.digitalocean.com/community/tutorials/how-to-manually-install-oracle-java-on-a-debian-or-ubuntu-vps
http://www.oracle.com/technetwork/java/javase/downloads/jdk8-downloads-2133151.html

Paso 1:
Crear folder: sudo mkdir /opt/jdk

Paso 2:
Descargar java del sitio de oracle

Paso 3 : 
Extraer el archivo descargado a la carpeta de instalacion:
sudo tar -zxf Descargas/jdk-8u152-linux-x64.tar.gz -C /opt/jdk/

Paso 4:
Verificar que se hayan copiado los archivos
ls /opt/jdk/

Paso 5
Setting Oracle JDK as the default JVM
sudo update-alternatives --install /usr/bin/java java /opt/jdk/jdk1.8.0_152/bin/java 100
sudo update-alternatives --install /usr/bin/javac javac /opt/jdk/jdk1.8.0_152/bin/javac 100

Paso 6
Verify your installation
update-alternatives --display java
update-alternatives --display javac





https://stackoverflow.com/questions/12836666/how-to-remove-open-jdk-completely-in-ubuntu
sudo update-alternatives --config java



https://itsfoss.com/best-icon-themes-ubuntu-16-04/