{"type":"rich","description":"Ubuntu (22) YYYYMMDD=$(date \"+%Y%m%d\") echo $YYYYMMDD HHMMSS=$(date \"+%H%M%S\") echo $HHMMSS mkdir ${YYYYMMDD}_testdir mkdir ${YYYYMMDD}_${HHMMSS}_testdir Debian (12) YYYYMMDD=$(date \"+%Y%m%d\") echo $YYYYMMDD HHMMSS=$(date \"+%H%M%S\") echo $HHMMSS mkdir ${YYYYMMDD}_testdir mkdir ${YYYYMMDD}_${HHMMSS}_\u2026","author_url":"https://blog.hatena.ne.jp/HTN20190109/","height":"190","width":"100%","title":"\u65e5\u4ed8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4f5c\u6210","provider_name":"Hatena Blog","provider_url":"https://hatena.blog","version":"1.0","image_url":null,"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fhtn20190109.hatenablog.com%2Fentry%2F2023%2F08%2F23%2F134400\" title=\"\u65e5\u4ed8\u30c7\u30a3\u30ec\u30af\u30c8\u30ea\u4f5c\u6210 - HTN20190109\u306e\u65e5\u8a18\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","blog_url":"https://htn20190109.hatenablog.com/","url":"https://htn20190109.hatenablog.com/entry/2023/08/23/134400","published":"2023-08-23 13:44:00","blog_title":"HTN20190109\u306e\u65e5\u8a18","categories":["OS"],"author_name":"HTN20190109"}