server 14.04  crontab -e编辑器默认是nano，还是习惯用vi;

 sudo select-editor 选择3 vim 搞定。

iflytek@neo03:/iflytek/shell$ sudo select-editor[sudo] password for iflytek: Select an editor.  To change later, run 'select-editor'.  1. /bin/ed  2. /bin/nano        <---- easiest  3. /usr/bin/vim.basic  4. /usr/bin/vim.tinyChoose 1-4 [2]: 3iflytek@neo03:/iflytek/shell$