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30 lines
768 B
Plaintext
30 lines
768 B
Plaintext
---
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syntax: markdown
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tags: [tldr, linux]
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source: https://github.com/tldr-pages/tldr.git
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---
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# update-alternatives
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> Convenientily maintain symbolic links to determine default commands.
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> More information: <https://manned.org/update-alternatives>.
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- Add a symbolic link:
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`sudo update-alternatives --install {{path/to/symlink}} {{command_name}} {{path/to/command_binary}} {{priority}}`
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- Configure a symbolic link for `java`:
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`sudo update-alternatives --config {{java}}`
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- Remove a symbolic link:
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`sudo update-alternatives --remove {{java}} {{/opt/java/jdk1.8.0_102/bin/java}}`
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- Display information about a specified command:
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`update-alternatives --display {{java}}`
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- Display all commands and their current selection:
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`update-alternatives --get-selections`
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