在shell 輸入 update-alternatives --config editor
星號標示目前預設的文字編輯器
如果要改變預設的文字編輯器,僅需要在提示欄位輸入編號即可
因為我習慣vi 的操作方式,所以我選擇3 並按enter 確認
root@helloworld:~# update-alternatives --config editor
There are 4 choices for the alternative editor (providing /usr/bin/editor).
Selection Path Priority Status
------------------------------------------------------------
* 0 /bin/nano 40 auto mode
1 /bin/ed -100 manual mode
2 /bin/nano 40 manual mode
3 /usr/bin/vim.basic 30 manual mode
4 /usr/bin/vim.tiny 15 manual mode
Press <enter> to keep the current choice[*], or type selection number: 3
update-alternatives: using /usr/bin/vim.basic to provide /usr/bin/editor (editor) in manual mode
測試預設的編輯器是否生效
root@helloworld:~# visudo
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