2017-10-13 08:42:02 +01:00
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# update-alternatives
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2017-10-23 05:09:28 +01:00
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> A convenient tool for maintaining symbolic links to determine default commands.
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2017-10-13 08:42:02 +01:00
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- Add a symbolic link:
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2017-10-24 05:33:41 +01:00
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`sudo update-alternatives --install {{path/to/symlink}} {{command_name}} {{path/to/command_binary}} {{priority}}`
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2017-10-13 08:42:02 +01:00
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2021-01-31 17:05:18 +00:00
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- Configure a symbolic link for `java`:
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2017-10-24 03:17:54 +01:00
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2017-10-24 05:33:41 +01:00
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`sudo update-alternatives --config {{java}}`
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2017-10-13 08:42:02 +01:00
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- Remove a symbolic link:
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2017-10-24 05:33:41 +01:00
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`sudo update-alternatives --remove {{java}} {{/opt/java/jdk1.8.0_102/bin/java}}`
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2017-10-13 08:42:02 +01:00
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2017-10-22 12:54:39 +01:00
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- Display information about a specified command:
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2017-10-13 08:42:02 +01:00
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2017-10-24 05:33:41 +01:00
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`update-alternatives --display {{java}}`
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2018-10-16 18:30:40 +01:00
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- Display all commands and their current selection:
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`update-alternatives --get-selections`
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