{"image_url":"https://cdn-ak.f.st-hatena.com/images/fotolife/m/mackerelio/20200902/20200902124054.png","blog_url":"https://mackerel.io/docs/","blog_title":"Mackerel Docs","version":"1.0","type":"rich","author_url":"https://blog.hatena.ne.jp/mackerelio/","categories":[],"html":"<iframe src=\"https://hatenablog-parts.com/embed?url=https%3A%2F%2Fmackerel.io%2Fdocs%2Fentry%2Fspec%2Fabout-host\" title=\"What is a &quot;host&quot;? - Mackerel Docs\" class=\"embed-card embed-blogcard\" scrolling=\"no\" frameborder=\"0\" style=\"display: block; width: 100%; height: 190px; max-width: 500px; margin: 10px 0px;\"></iframe>","url":"https://mackerel.io/docs/entry/spec/about-host","published":"2020-09-02 12:44:26","description":"In Mackerel, a host is \"the smallest unit that makes up the system\". It can be a physical server, a virtual server, or even a managed service. In order to begin monitoring with Mackerel, the monitoring target must first be registered as a host. Registering a host in Mackerel can be done several ways\u2026","provider_name":"Hatena Blog","width":"100%","title":"What is a \"host\"?","provider_url":"https://hatena.blog","author_name":"mackerelio","height":"190"}