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uuklanger/setup_alternatives.sh

Last active October 28, 2020 00:48
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setup_alternatives.sh
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setup_alternatives.sh
# ---------------------------------------------------------------
# If you are setting up a clean (never used) system, you can run this full batch
# Otherwise, I suggest running this line by line (copy/paste).
#
# Show if java, javac, or jar are already setup. Run these commands before running the rest
#
sudo update-alternatives --query java
sudo update-alternatives --query javac
sudo update-alternatives --query jar
sudo update-alternatives --query keytool
sudo update-alternatives --query jarsigner
#
# Setup alternatives so java, javac, and jar are in the path. Run what is missing based on above.
#
sudo update-alternatives --install /usr/bin/java java /usr/lib/jvm/jdk1.8.0_261/bin/java 1
sudo update-alternatives --install /usr/bin/javac javac /usr/lib/jvm/jdk1.8.0_261/bin/javac 1
sudo update-alternatives --install /usr/bin/jar jar /usr/lib/jvm/jdk1.8.0_261/bin/jar 1
sudo update-alternatives --install /usr/bin/keytool keytool /usr/lib/jvm/jdk1.8.0_261/bin/keytool 1
sudo update-alternatives --install /usr/bin/jarsigner jarsigner /usr/lib/jvm/jdk1.8.0_261/bin/jarsigner 1
#
# Visually confirm (that means you) that java, javac, and jar are setup
#
sudo update-alternatives --query java
sudo update-alternatives --query javac
sudo update-alternatives --query jar
sudo update-alternatives --query keytool
sudo update-alternatives --query jarsigner
#
# DONE
#
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