{"id":8261,"date":"2020-10-12T18:57:15","date_gmt":"2020-10-12T16:57:15","guid":{"rendered":"https:\/\/www.nerdiy.de\/?p=8261"},"modified":"2021-12-18T17:26:09","modified_gmt":"2021-12-18T16:26:09","slug":"howto-nodered-automatically-save-nodered-journal-after-starting-nodered-for-debugging-purposes","status":"publish","type":"post","link":"https:\/\/nerdiy.de\/en\/howto-nodered-automatically-save-nodered-journal-after-starting-nodered-for-debugging-purposes\/","title":{"rendered":"HowTo: Node Red \u2013 Automatically save the Node Red journal after starting Node Red (for debugging purposes)"},"content":{"rendered":"<div class=\"wp-block-group\"><div class=\"wp-block-group__inner-container is-layout-flow wp-block-group-is-layout-flow\">\n<p>Recently I had an issue with NodeRed that caused the NodeRed process to sometimes crash. <\/p>\n\n\n\n<p>Actually it&#039;s not that bad since it restarts automatically. On the other hand, it annoyed me at some point because the data in the dashboard view was lost and status messages were sent every time.<\/p>\n\n\n\n<p>So it was time to get to the bottom of the matter. I first checked the journal of the NodeRed service vai \"sudo journal -f -u nodered\". <\/p>\n\n\n\n<p>This command displays all status messages stored in the service&#039;s journal. But I was actually only interested in the last reports before NodeRed was restarted.<\/p>\n\n\n\n<p>I have created the flow shown below for this purpose. This saves the contents of the journal in the \"\/home\/pi\/nodeRedLogFiles\" folder every time NodeRed is restarted. <\/p>\n\n\n\n<p>If you are looking for an error that leads to a restart, you should find it quickly. \ud83d\ude42<\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2><span style=\"color: #ff0000;\">Safety instructions <\/span><\/h2>\r\n<p><span style=\"color: #ff0000;\">I know the following notes are always kind of annoying and seem unnecessary. Unfortunately, many people who knew &quot;better&quot; have lost eyes, fingers or other things due to carelessness or injured themselves. Data loss is almost negligible in comparison, but even these can be really annoying. Therefore, please take five minutes to read the safety instructions. Because even the coolest project is not worth injury or other trouble.<\/span><br \/><strong><em><a href=\"https:\/\/nerdiy.de\/en\/safety-instructions\/\"><span style=\"color: #ff0000;\">https:\/\/www.nerdiy.de\/sicherheitshinweise\/<\/span><\/a><\/em><\/strong><\/p>\r\n<h2>Affiliate links\/advertising links<\/h2>\r\n<p><em>The links to online shops listed here are so-called affiliate links. If you click on such an affiliate link and make a purchase via this link, Nerdiy.de will receive a commission from the relevant online shop or provider. The price does not change for you. If you make your purchases via these links, you support Nerdiy.de in being able to offer other useful projects in the future. \ud83d\ude42\u00a0<\/em><\/p>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Requirements<\/h2>\n\n\n\n<p><strong>Helpful articles:<br><\/strong>So that you can install new nodes, NodeRed should of course already be installed.<br>How to prepare a RaspberryPi and then install NodeRed on it is described in the following articles.<\/p>\n\n\n\n<p>The following three articles describe what needs to be done to prepare the RaspberryPi:<br><strong><em><a href=\"https:\/\/nerdiy.de\/en\/raspberrypi-setup-for-nerdiys\/\">RaspberryPi \u2013 setup for nerdiys!<\/a><\/em><\/strong><br><strong><em><a href=\"https:\/\/nerdiy.de\/en\/raspberrypi-the-first-configuration-2\/\">RaspberryPi \u2013 The first configuration!<br><\/a><a href=\"https:\/\/nerdiy.de\/en\/can-phone-for-the-little-ones-communicate-with-the-raspberrypi-via-the-ssh-protocol-2\/\">RaspberryPi \u2013 Control the RaspberryPi via SSH<\/a><\/em><\/strong><br><a href=\"https:\/\/nerdiy.de\/en\/nodered-installation-of-nodered-on-the-raspberrypi\/\"><strong><em>NodeRed \u2013 Installing NodeRed on the RaspberryPi<\/em><\/strong><\/a><\/p>\n\n\n\n<p><strong>Required tool:<br><\/strong>-no-<\/p>\n\n\n\n<p><strong>Required material:<\/strong><\/p>\n\n\n\n<p><strong>In the following list you will find all the parts you need to implement this article.<\/strong> <\/p>\n\n\n\n<div id=\"footable_parent_4042\"\n         class=\"footable_parent ninja_table_wrapper loading_ninja_table wp_table_data_press_parent semantic_ui\">\n                <table data-ninja_table_instance=\"ninja_table_instance_0\" data-footable_id=\"4042\" data-filter-delay=\"1000\" aria-label=\"Ready: RaspberryPi basic equipment\"            id=\"footable_4042\"\n           data-unique_identifier=\"ninja_table_unique_id_1532042151_4042\"\n           class=\"foo-table ninja_footable foo_table_4042 ninja_table_unique_id_1532042151_4042 ui table  nt_type_ajax_table selectable striped vertical_centered  footable-paging-right\">\n                <colgroup>\n                            <col class=\"ninja_column_0\">\n                            <col class=\"ninja_column_1\">\n                            <col class=\"ninja_column_2\">\n                            <col class=\"ninja_column_3\">\n                            <col class=\"ninja_column_4\">\n                            <col class=\"ninja_column_5\">\n                    <\/colgroup>\n            <\/table>\n    \n    \n    \n<\/div>\n\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2>Log into the NodeRed configuration interface<\/h2>\r\n<p>Before you can edit your NodeRed configuration, you must - if activated - first log into the NodeRed configuration interface.<\/p>\r\n<figure id=\"attachment_4672\" aria-describedby=\"caption-attachment-4672\" style=\"width: 810px\" class=\"wp-caption alignnone\"><a href=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" class=\"wp-image-4672 size-large\" src=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?resize=810%2C416&#038;ssl=1\" alt=\"\" width=\"810\" height=\"416\" srcset=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?resize=1024%2C526&amp;ssl=1 1024w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?resize=300%2C154&amp;ssl=1 300w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?resize=768%2C395&amp;ssl=1 768w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?resize=600%2C308&amp;ssl=1 600w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?w=1680&amp;ssl=1 1680w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2019\/03\/www.nerdiy.de-firefox-2019-03-07-21-44-54.png?w=1620&amp;ssl=1 1620w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/a><figcaption id=\"caption-attachment-4672\" class=\"wp-caption-text\">View of the login dialog. Here you have to enter the login data that you specified during the configuration of the login. You can find information about this in the article <a href=\"https:\/\/nerdiy.de\/en\/setup-nodered-user-login-2\/\" target=\"_blank\" rel=\"noopener\"><em><strong>NodeRed - set up user login<\/strong><\/em><\/a>.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Import node code<\/h2>\n\n\n\n<p>To test this code you can simply import the code below into your NodeRed installation. You can find tips on this in the article <a href=\"https:\/\/nerdiy.de\/en\/import-and-export-nodered-node-code\/\"><em><strong>NodeRed - import and export node code<\/strong><\/em><\/a>.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"125\" data-attachment-id=\"12110\" data-permalink=\"https:\/\/nerdiy.de\/en\/howto-nodered-automatically-save-nodered-journal-after-starting-nodered-for-debugging-purposes\/www-nerdiy-de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb\/\" data-orig-file=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?fit=898%2C139&amp;ssl=1\" data-orig-size=\"898,139\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?fit=810%2C125&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?resize=810%2C125&#038;ssl=1\" alt=\"\" class=\"wp-image-12110\" srcset=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?w=898&amp;ssl=1 898w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?resize=300%2C46&amp;ssl=1 300w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?resize=768%2C119&amp;ssl=1 768w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-chrome-y0syap5apb.png?resize=600%2C93&amp;ssl=1 600w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/a><figcaption>View of the NodeRed flow in the NodeRed configuration view.<\/figcaption><\/figure>\n\n\n\n<pre class=\"EnlighterJSRAW\" data-enlighter-language=\"generic\" data-enlighter-theme=\"\" data-enlighter-highlight=\"\" data-enlighter-linenumbers=\"\" data-enlighter-lineoffset=\"\" data-enlighter-title=\"\" data-enlighter-group=\"\">[{\"id\":\"185f8c16.a86d64\",\"type\":\"exec\",\"z\":\"2dcf0cc0.aeb894\",\"command\":\"journalctl -u nodered -all\",\"addpay\":false,\"append\":\"\",\"useSpawn\":\"true\",\"timer\":\"\",\"oldrc\":false,\"name\":\"last\",\"x\":410,\"y\":3480,\"wires\":[[\"30e6e36b.45d3fc\"],[],[]]},{\"id\":\"30e6e36b.45d3fc\",\"type\":\"function\",\"z\":\"2dcf0cc0.aeb894\",\"name\":\"prepare filename\",\"func\":\"\nvar d = new Date();\nvar t = d.getTime();\nvar year = d.getFullYear();\nvar month = d.getMonth()+1; \nvar day = d.getDate();\nvar hour  = d.getHours();\nvar minute  = d.getMinutes();\n\nif(month.toString().length == 1) \n{\n    month = '0'+month;\n}\n\nmsg.filename = \"\/home\/pi\/nodeRedLogFiles\/nodeRedLog_\"+day+\"-\"+month+\"-\"+year+\"-\"+hour+\":\"+minute+\".csv\";\n\nreturn msg;\",\"outputs\":1,\"noerr\":0,\"x\":610,\"y\":3480,\"wires\":[[\"9f916f6c.d00cb\"]]},{\"id\":\"519cb1ab.0032b\",\"type\":\"inject\",\"z\":\"2dcf0cc0.aeb894\",\"name\":\"save last nodered-journal\",\"topic\":\"\",\"payload\":\"\",\"payloadType\":\"date\",\"repeat\":\"\",\"crontab\":\"\",\"once\":true,\"onceDelay\":0.1,\"x\":210,\"y\":3480,\"wires\":[[\"185f8c16.a86d64\"]]},{\"id\":\"9f916f6c.d00cb\",\"type\":\"file\",\"z\":\"2dcf0cc0.aeb894\",\"name\":\"\",\"filename\":\"\",\"appendNewline\":true,\"createDir\":true,\"overwriteFile\":\"false\",\"encoding\":\"none\",\"x\":810,\"y\":3480,\"wires\":[[]]},{\"id\":\"510d4143.de0cb\",\"type\":\"comment\",\"z\":\"2dcf0cc0.aeb894\",\"name\":\"Save last journal nodered\",\"info\":\"\",\"x\":170,\"y\":3420,\"wires\":[]}]<\/pre>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n\n<h2 class=\"wp-block-heading\">Dashboard view<\/h2>\n\n\n\n<p>View of collected NodeRed journals<\/p>\n\n\n\n<p>In the folder \"\/home\/pi\/nodeRedLogFiles\" on your RaspberryPi you will find the saved NodeRed logs after restarting NodeRed.<\/p>\n\n\n\n<figure class=\"wp-block-image size-large\"><a href=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?ssl=1\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" width=\"810\" height=\"733\" data-attachment-id=\"12111\" data-permalink=\"https:\/\/nerdiy.de\/en\/howto-nodered-automatically-save-nodered-journal-after-starting-nodered-for-debugging-purposes\/www-nerdiy-de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru\/\" data-orig-file=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?fit=958%2C867&amp;ssl=1\" data-orig-size=\"958,867\" data-comments-opened=\"1\" data-image-meta=\"{&quot;aperture&quot;:&quot;0&quot;,&quot;credit&quot;:&quot;&quot;,&quot;camera&quot;:&quot;&quot;,&quot;caption&quot;:&quot;&quot;,&quot;created_timestamp&quot;:&quot;0&quot;,&quot;copyright&quot;:&quot;&quot;,&quot;focal_length&quot;:&quot;0&quot;,&quot;iso&quot;:&quot;0&quot;,&quot;shutter_speed&quot;:&quot;0&quot;,&quot;title&quot;:&quot;&quot;,&quot;orientation&quot;:&quot;0&quot;}\" data-image-title=\"www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru\" data-image-description=\"\" data-image-caption=\"\" data-large-file=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?fit=810%2C733&amp;ssl=1\" src=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?resize=810%2C733&#038;ssl=1\" alt=\"\" class=\"wp-image-12111\" srcset=\"https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?w=958&amp;ssl=1 958w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?resize=300%2C272&amp;ssl=1 300w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?resize=768%2C695&amp;ssl=1 768w, https:\/\/i0.wp.com\/nerdiy.de\/wp-content\/uploads\/2020\/10\/www.nerdiy.de-howto-nodered-automatisches-speichern-des-nodered-journals-nach-dem-start-von-nodered-zu-debugging-zwecken-winscp-qgdzsoe9ru.png?resize=600%2C543&amp;ssl=1 600w\" sizes=\"auto, (max-width: 810px) 100vw, 810px\" \/><\/a><figcaption>View of the saved NodeRed log files.<\/figcaption><\/figure>\n\n\n\n<hr class=\"wp-block-separator\"\/>\n\n\n<h2>Have fun with the project<\/h2>\r\n<p>I hope everything worked as described for you. If not or you have questions or suggestions please let me know in the comments. I will then add this to the article if necessary.<br \/>Ideas for new projects are always welcome. \ud83d\ude42<\/p>\r\n<p><strong>PS Many of these projects - especially the hardware projects - cost a lot of time and money. Of course I do this because I enjoy it, but if you think it&#039;s cool that I share the information with you, I would be happy about a small donation to the coffee fund. \ud83d\ude42<\/strong><\/p>\r\n<p><a href=\"https:\/\/ko-fi.com\/nerdiy\" target=\"_blank\" rel=\"noopener\"><img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" style=\"border: 0px; height: 36px;\" src=\"https:\/\/i0.wp.com\/cdn.ko-fi.com\/cdn\/kofi4.png?resize=143%2C36&#038;ssl=1\" alt=\"Buy Me a Coffee at ko-fi.com\" width=\"143\" height=\"36\" border=\"0\" \/><\/a>\u00a0 \u00a0 \u00a0 \u00a0<input name=\"cmd\" type=\"hidden\" value=\"_s-xclick\" \/> <input name=\"hosted_button_id\" type=\"hidden\" value=\"UAZE9RMHJY7VJ\" \/> <input title=\"PayPal - The safer, easier way to pay online!\" alt=\"Donate with PayPal button\" name=\"submit\" src=\"https:\/\/www.paypalobjects.com\/de_DE\/DE\/i\/btn\/btn_donateCC_LG.gif\" type=\"image\" \/> <img data-recalc-dims=\"1\" loading=\"lazy\" decoding=\"async\" src=\"https:\/\/i0.wp.com\/www.paypal.com\/de_DE\/i\/scr\/pixel.gif?resize=1%2C1&#038;ssl=1\" alt=\"\" width=\"1\" height=\"1\" border=\"0\" \/><\/p>\n<\/div><\/div>","protected":false},"excerpt":{"rendered":"<p>Recently I had a problem with NodeRed that causes the NodeRed process to crash sometimes. This is not a big deal since it restarts automatically. On the [...]<\/p>","protected":false},"author":1,"featured_media":12110,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"_bbp_topic_count":0,"_bbp_reply_count":0,"_bbp_total_topic_count":0,"_bbp_total_reply_count":0,"_bbp_voice_count":0,"_bbp_anonymous_reply_count":0,"_bbp_topic_count_hidden":0,"_bbp_reply_count_hidden":0,"_bbp_forum_subforum_count":0,"jetpack_post_was_ever_published":false,"_jetpack_newsletter_access":"","_jetpack_dont_email_post_to_subs":false,"_jetpack_newsletter_tier_id":0,"_jetpack_memberships_contains_paywalled_content":false,"_jetpack_memberships_contains_paid_content":false,"footnotes":"","jetpack_publicize_message":"","jetpack_publicize_feature_enabled":true,"jetpack_social_post_already_shared":true,"jetpack_social_options":{"image_generator_settings":{"template":"highway","default_image_id":0,"font":"","enabled":false},"version":2}},"categories":[149,113,24,61],"tags":[33,114,25,47,229,51],"class_list":["post-8261","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-abendprojekt2h","category-node-red","category-raspberry-pi","category-smarthome","tag-automatisierung","tag-nodered","tag-raspberrypi","tag-raspi","tag-smart","tag-smarthome"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.4 - 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