Alternatives: Difference between revisions
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=Set an Alternative Non-Interactively= | =Set an Alternative Non-Interactively= | ||
The following command seems to work: | |||
<syntaxhighlight lang='bash'> | <syntaxhighlight lang='bash'> | ||
alternatives --set java /usr/lib/jvm/java-1.8.0-amazon-corretto/jre/bin/java | alternatives --set java /usr/lib/jvm/java-1.8.0-amazon-corretto/jre/bin/java | ||
</syntaxhighlight> | </syntaxhighlight> | ||
The exact path can be obtained with [[#Obtain_the_Alternatives_for_an_Executables|--display]]. The command is sensitive to the exact absolute path of the "alternative" executable. | The exact path can be obtained with [[#Obtain_the_Alternatives_for_an_Executables|--display]]. The command is sensitive to the exact absolute path of the "alternative" executable. | ||
On some occasions, for example Amazon Linux 2, <code>alternatives --set</code> failed: | |||
alternatives --set java /usr/lib/jvm/amazon-corretto-8.292.10.1-linux-x64/bin/java | |||
/usr/lib/jvm/amazon-corretto-8.292.10.1-linux-x64/bin/java <font color=red>has not been configured</font> as an alternative for java | |||
Revision as of 23:26, 25 June 2021
Internal
Overview
alternatives
Obtain the Alternatives for an Executables
alternatives --display java
alternatives --display java | grep priority
The output contains the "alternatives" - which include the full path of the executable and a priority.
Set an Alternative Interactively
alternatives --config java
Set an Alternative Non-Interactively
The following command seems to work:
alternatives --set java /usr/lib/jvm/java-1.8.0-amazon-corretto/jre/bin/java
The exact path can be obtained with --display. The command is sensitive to the exact absolute path of the "alternative" executable.
On some occasions, for example Amazon Linux 2, alternatives --set failed:
alternatives --set java /usr/lib/jvm/amazon-corretto-8.292.10.1-linux-x64/bin/java /usr/lib/jvm/amazon-corretto-8.292.10.1-linux-x64/bin/java has not been configured as an alternative for java