Configurando o Java 11 em armv7

configuração de ambiente

Siga os passo:
$ cd /usr/lib/jvm
$ sudo wget https://cdn.azul.com/zulu-embedded/bin/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf.tar.gz
$ sudo tar -xzvf zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf.tar.gz
$ sudo rm zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf.tar.gz
$ ls -l
total 12
lrwxrwxrwx  1 root root   21 Jul 23 15:58 java-1.11.0-openjdk-armhf -> java-11-openjdk-armhf
drwxr-xr-x  9 root root 4096 Aug 20 11:41 java-11-openjdk-armhf
drwxr-xr-x  2 root root 4096 Aug 20 11:41 openjdk-11
drwxrwxr-x 10  111  122 4096 Jul 10 16:50 zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf

Adicionar o Java na lista
$ sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/java 1
$ sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/javac 1

Escolher o Java
$ sudo update-alternatives --config java
There are 2 choices for the alternative java (providing /usr/bin/java).

  Selection    Path                                                             Priority   Status
------------------------------------------------------------
* 0            /usr/lib/jvm/java-11-openjdk-armhf/bin/java                       1111      auto mode
  1            /usr/lib/jvm/java-11-openjdk-armhf/bin/java                       1111      manual mode
  2            /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/java   1         manual mode

Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/java to provide /usr/bin/java (java) in manual mode

$ sudo update-alternatives --config javac
There are 2 choices for the alternative javac (providing /usr/bin/javac).

  Selection    Path                                                              Priority   Status
------------------------------------------------------------
* 0            /usr/lib/jvm/java-11-openjdk-armhf/bin/javac                       1111      auto mode
  1            /usr/lib/jvm/java-11-openjdk-armhf/bin/javac                       1111      manual mode
  2            /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/javac   1         manual mode

Press <enter> to keep the current choice[*], or type selection number: 2
update-alternatives: using /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/javac to provide /usr/bin/javac (javac) in manual mode
Now let’s check the Java version: -

$ java -version
openjdk version "11.0.8" 2020-07-14 LTS
OpenJDK Runtime Environment Zulu11.41+75-CA (build 11.0.8+10-LTS)
OpenJDK Client VM Zulu11.41+75-CA (build 11.0.8+10-LTS, mixed mode)

# Remover versão do programa
$ sudo update-alternatives --remove java /usr/lib/jvm/zulu11.41.75-ca-jdk11.0.8-linux_aarch32hf/bin/java

#Login automático - Linux/GNU
cria este arquivo,/etc/lightdm/lightdm.conf.d/12-autologin.conf, e adiciona:
[SeatDefaults]
autologin-user=youruser

# Configurar o editor Visual Studio Code
- abre o VSCode
- ctrl + shift + p
- e digite o "Configurações do Usuário (JSON)"
- adiciona este variável e mais o caminho;
"java.jdt.ls.java.home": "/opt/jdk-17.0.6"



Fonte: Documentação pi4j - JAVA FOR ARMV6/7/8. Disponível em: https://pi4j.com/documentation/java-installation/, acesso em:27/11/2022
How do I enable auto-login in LightDM? - disponível em: https://askubuntu.com/questions/51086/how-do-i-enable-auto-login-in-lightdm, acesso em : 27/11/2022