Kの雑記

最近忘れやすいので、備忘録がわり

CentOSのAlternatives

Os Java

yumで複数のJavaを入れた場合、Javaのバージョンを切り替える方法

[root@web01 conf.d]# alternatives --config java

There are 2 programs which provide 'java'.

  Selection    Command
-----------------------------------------------
*  1           java-1.8.0-openjdk.x86_64 (/usr/lib/jvm/java-1.8.0-openjdk-1.8.0.232.b09-0.el7_7.x86_64/jre/bin/java)
 + 2           java-11-openjdk.x86_64 (/usr/lib/jvm/java-11-openjdk-11.0.5.10-0.el7_7.x86_64/bin/java)

Enter to keep the current selection[+], or type selection number: