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"articleSection" : "post",
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"name" : "[筆記] 修改 docker 容器內的時區 - Change Timezone in Docker",
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"headline" : "[筆記] 修改 docker 容器內的時區 - Change Timezone in Docker",
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"description" : "\x3cp\x3e最近一直在玩一些docker，不過老是會碰到歪果扔寫的東西，時區都不一致\x3c\/p\x3e\n\x3cp\x3e有的用 UTC，有的用localtime，就是沒碰到用 Asia\/Taipei 的\x26hellip;.\x3c\/p\x3e",
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"description" : "\u003cp\u003e最近一直在玩一些docker，不過老是會碰到歪果扔寫的東西，時區都不一致\u003c\/p\u003e\n\u003cp\u003e有的用 UTC，有的用localtime，就是沒碰到用 Asia\/Taipei 的\u0026hellip;.\u003c\/p\u003e",
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"inLanguage" : "en",
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"author" : "Eric Chang",
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"creator" : "Eric Chang",
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@@ -21,8 +21,8 @@
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"accountablePerson" : "Eric Chang",
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"copyrightHolder" : "Eric Chang",
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"copyrightYear" : "2019",
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"datePublished": "2019-05-21 17:25:15 \x2b0800 CST",
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"dateModified" : "2019-05-21 17:25:15 \x2b0800 CST",
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"datePublished": "2019-05-21 17:25:15 \u002b0800 CST",
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"dateModified" : "2019-05-21 17:25:15 \u002b0800 CST",
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"url" : "https:\/\/h.cowbay.org\/post\/change-timezone-in-docker\/",
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"wordCount" : "270",
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"image" : "https://h.cowbay.orghttps://h.cowbay.org/images/post-default-3.jpg"",
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@@ -313,7 +313,7 @@ if (!doNotTrack) {
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<p>本來看了這篇 <a href="https://www.arthurtoday.com/2016/07/how-to-setup-docker-container-timezone-host.html">https://www.arthurtoday.com/2016/07/how-to-setup-docker-container-timezone-host.html</a></p>
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<p>想說來試試看好了</p>
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<p>不過呢，一開始依照這篇的說明，在docker-compose.yml 內加入</p>
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<pre><code>web:
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<pre tabindex="0"><code>web:
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image: jarischaefer/docker-librenms
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hostname: librenms
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ports:
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@@ -326,13 +326,13 @@ if (!doNotTrack) {
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- TZ="Asia/Taipei"
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</code></pre><p>重起之後沒作用 0rz</p>
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<p>於是我又加入了</p>
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<pre><code> volumes:
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<pre tabindex="0"><code> volumes:
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- /etc/hosts:/etc/hosts
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- /etc/localtime:/etc/localtime:ro
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- /etc/timezone:/etc/timezone:ro
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</code></pre><p>結果啟動直接報錯誤了..</p>
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<p>看一下 log</p>
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<pre><code>May 21 09:09:12 bbs012 syslog-ng[12]: syslog-ng starting up; version='3.13.2'
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<pre tabindex="0"><code>May 21 09:09:12 bbs012 syslog-ng[12]: syslog-ng starting up; version='3.13.2'
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*** Running /etc/my_init.d/librenms_100_cron...
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*** Running /etc/my_init.d/librenms_101_ssl...
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*** Running /etc/my_init.d/librenms_102_ipv6...
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@@ -343,7 +343,7 @@ if (!doNotTrack) {
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*** Killing all processes...
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</code></pre><p>所以這個檔案不能改成 ro ，不過如果不能唯獨，那啟動docker的時候應該會被蓋掉吧？</p>
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<p>先來看一下那個 librenms_103_timezone 在幹什麼好了</p>
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<pre><code>docker exec -it librenms_web_1 cat /etc/my_init.d/librenms_103_timezone
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<pre tabindex="0"><code>docker exec -it librenms_web_1 cat /etc/my_init.d/librenms_103_timezone
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#!/bin/bash -e
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if [ -n "$TZ" ]; then
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@@ -361,23 +361,23 @@ fi
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</code></pre><p>OK ，這裡的確是用傳進來的 $TZ 在設定timezone 沒錯</p>
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<p>可是我前面已經改過 docker-compose.yml</p>
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<p>有把 TZ帶進來了啊？再來確認一下</p>
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<pre><code>docker exec -it librenms_web_1 cat /etc/timezone
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<pre tabindex="0"><code>docker exec -it librenms_web_1 cat /etc/timezone
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"Asia/Taipei"
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</code></pre><p>咦，沒錯啊？ 欸斗，等等，那兩個 "” 有點刺眼…</p>
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</code></pre><p>咦，沒錯啊？ 欸斗，等等，那兩個 "" 有點刺眼…</p>
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<p>跟本機的比對一下看看</p>
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<pre><code>2019-05-21 17:36:20 [mini@s013 librenms]$ docker exec -it librenms_web_1 cat /etc/timezone
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<pre tabindex="0"><code>2019-05-21 17:36:20 [mini@s013 librenms]$ docker exec -it librenms_web_1 cat /etc/timezone
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"Asia/Taipei"
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2019-05-21 17:36:23 [mini@s013 librenms]$ cat /etc/timezone
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Asia/Taipei
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2019-05-21 17:37:10 [mini@s013 librenms]$
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</code></pre><p>嗯，的確，本機的格式的確不包含那兩個 "”</p>
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</code></pre><p>嗯，的確，本機的格式的確不包含那兩個 ""</p>
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<p>那就改掉再來試試看吧…改成底下這樣</p>
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<pre><code> environment:
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<pre tabindex="0"><code> environment:
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- TZ=Asia/Taipei
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</code></pre><p>重起 docker ，然後確認時間看看</p>
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<pre><code>2019-05-21 17:39:00 [mini@s013 librenms]$ docker-compose down;docker-compose up -d
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<pre tabindex="0"><code>2019-05-21 17:39:00 [mini@s013 librenms]$ docker-compose down;docker-compose up -d
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Stopping librenms_web_1 ... done
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Stopping librenms_mysql_1 ... done
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Removing librenms_web_1 ... done
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@@ -392,7 +392,7 @@ Asia/Taipei
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Tue May 21 17:39:48 CST 2019
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2019-05-21 17:39:48 [mini@s013 librenms]$
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</code></pre><p>OK ，果然沒有問題了！</p>
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<p>雖然是小小的”” ，還是要特別注意啊！</p>
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<p>雖然是小小的"" ，還是要特別注意啊！</p>
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</article>
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</div>
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