% apt-cache policy nginx nginx: インストールされているバージョン: (なし) 候補: 1.1.19-1ubuntu0.6 バージョンテーブル: 1.1.19-1ubuntu0.6 0 500 http://jp.archive.ubuntu.com/ubuntu/ precise-updates/universe amd64 Packages 1.1.19-1ubuntu0.5 0 500 http://security.ubuntu.com/ubuntu/ precise-security/universe amd64 Packages 1.1.19-1 0 500 http://jp.archive.ubuntu.com/ubuntu/ precise/universe amd64 Packages 候補(Candidate)の行に書かれたパッケージが、
![apt-get installする前にバージョンや変更点(changelog)を見る - Qiita](https://cdn-ak-scissors.b.st-hatena.com/image/square/f748330a57a0d145aa5ac42a2d50766655eb7992/height=288;version=1;width=512/https%3A%2F%2Fqiita-user-contents.imgix.net%2Fhttps%253A%252F%252Fcdn.qiita.com%252Fassets%252Fpublic%252Farticle-ogp-background-412672c5f0600ab9a64263b751f1bc81.png%3Fixlib%3Drb-4.0.0%26w%3D1200%26mark64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZ3PTk3MiZoPTM3OCZ0eHQ9YXB0LWdldCUyMGluc3RhbGwlRTMlODElOTklRTMlODIlOEIlRTUlODklOEQlRTMlODElQUIlRTMlODMlOTAlRTMlODMlQkMlRTMlODIlQjglRTMlODMlQTclRTMlODMlQjMlRTMlODIlODQlRTUlQTQlODklRTYlOUIlQjQlRTclODIlQjklMjhjaGFuZ2Vsb2clMjklRTMlODIlOTIlRTglQTYlOEIlRTMlODIlOEImdHh0LWFsaWduPWxlZnQlMkN0b3AmdHh0LWNvbG9yPSUyMzIxMjEyMSZ0eHQtZm9udD1IaXJhZ2lubyUyMFNhbnMlMjBXNiZ0eHQtc2l6ZT01NiZzPTI4NjRiNTIxNWYwYzc0NGJiMjA1NWRjOGY1MjlhMDVh%26mark-x%3D142%26mark-y%3D57%26blend64%3DaHR0cHM6Ly9xaWl0YS11c2VyLWNvbnRlbnRzLmltZ2l4Lm5ldC9-dGV4dD9peGxpYj1yYi00LjAuMCZoPTc2Jnc9NzcwJnR4dD0lNDBuZWtvcnVyaSZ0eHQtY29sb3I9JTIzMjEyMTIxJnR4dC1mb250PUhpcmFnaW5vJTIwU2FucyUyMFc2JnR4dC1zaXplPTM2JnR4dC1hbGlnbj1sZWZ0JTJDdG9wJnM9ZDg2YWQ4YjY5ZWQ0NjU0YTViYmU3YWJhOTk3NjlhN2Y%26blend-x%3D142%26blend-y%3D486%26blend-mode%3Dnormal%26s%3D5a33292315807849e1a6e90256899348)