{"id":168,"date":"2025-02-05T11:18:07","date_gmt":"2025-02-05T10:18:07","guid":{"rendered":"https:\/\/ipv64.net\/blog\/?p=168"},"modified":"2025-02-05T12:07:04","modified_gmt":"2025-02-05T11:07:04","slug":"raspberry-pi-linux-ipv64-net-dyndns-update-script","status":"publish","type":"post","link":"https:\/\/ipv64.net\/blog\/linux\/raspberry-pi-linux-ipv64-net-dyndns-update-script\/","title":{"rendered":"Raspberry Pi \/ Linux &#8211; IPv64.net DynDNS Update Script"},"content":{"rendered":"\n<p>Wer in seinem Homelab einen <strong>Raspberry Pi <\/strong>als zentraler Dienst laufen hat, will gegebenenfalls auch auf diesen von au\u00dfen zugreifen. Mit diesem Script kann man relativ leicht die anliegende IP-Adresse direkt aus einem Linux heraus aktualisieren. <\/p>\n\n\n\n<p>Das Script \u00fcberpr\u00fcft zus\u00e4tzlich, ob ein DynDNS Update \u00fcberhaupt aktuell n\u00f6tig ist.<\/p>\n\n\n\n<p>Die Variablen &#8222;<strong>Domain<\/strong>&#8220; und &#8222;<strong>DOMAIN_TOKEN<\/strong>&#8220; m\u00fcssen von dir ausgef\u00fcllt werden. Speichere einfach dieses Script auf deinem System unter z.B. den Namen &#8222;<code>ipv64_dyndns_updater.sh<\/code>&#8220; ab und f\u00fchre es regelm\u00e4\u00dfig mit einem Crontab einfach aus. Wenn der Cronjob alle 5 Minuten \u00fcberpr\u00fcft, ob ein Aktualisieren n\u00f6tig ist, dann bist du auch bei einem IP-Wechsel sehr schnell wieder erreichbar. <\/p>\n\n\n\n<p>Das Script solltest du ebenfalls ausf\u00fchrbar machen mit &#8222;<code>chmod +x ipv64_dyndns_updater.sh<\/code>&#8220; und dann einfach mal testen mit <code>.\/ipv64_dyndns_updater.sh<\/code>.<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-bash\" data-lang=\"Bash\"><code>#!\/bin\/bash\n\n# Configuration\nDOMAIN=&quot;raspberry.ipv64.de&quot;\nDOMAIN_TOKEN=&quot;DOMAIN_TOKEN&quot;\nDYNDNS_PROVIDER=&quot;https:\/\/ipv64.net\/nic\/update&quot;\n\n# Get current public IP\nCURRENT_IP=$(curl -s https:\/\/checkip.amazonaws.com)\n\n# Get the currently stored IP in DNS\nDNS_IP=$(dig +short &quot;$DOMAIN&quot;)\n\n# Check if the IP has changed\nif [ &quot;$CURRENT_IP&quot; != &quot;$DNS_IP&quot; ]; then\n    echo &quot;IP has changed. Sending update...&quot;\n    RESPONSE=$(curl -s &quot;$DYNDNS_PROVIDER?key=$DOMAIN_TOKEN&domain=$DOMAIN&ip=$CURRENT_IP&quot;)\n    echo &quot;Server response: $RESPONSE&quot;\nelse\n    echo &quot;IP has not changed. No update needed.&quot;\nfi<\/code><\/pre><\/div>\n\n\n\n<p>Diesen Cronjob kannst du einrichten damit das Script alle 5 Min. ausgef\u00fchrt wird. \u00d6ffne daf\u00fcr dein Crontab mit dem Befehl <code>crontab -e<\/code>.<\/p>\n\n\n\n<div class=\"hcb_wrap\"><pre class=\"prism line-numbers lang-plain\"><code>*\/5 * * * * cd \/root\/; \/bin\/sh ipv64_dyndns_updater.sh<\/code><\/pre><\/div>\n","protected":false},"excerpt":{"rendered":"<p>Wer in seinem Homelab einen Raspberry Pi als zentraler Dienst laufen hat, will gegebenenfalls auch auf diesen von au\u00dfen zugreifen. Mit diesem Script kann man relativ leicht die anliegende IP-Adresse &#8230;<\/p>\n","protected":false},"author":1,"featured_media":0,"comment_status":"open","ping_status":"open","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[57],"tags":[3,59,58,60],"class_list":["post-168","post","type-post","status-publish","format-standard","hentry","category-linux","tag-dyndns","tag-linux","tag-raspberry-pi","tag-update-script"],"yoast_head":"<!-- This site is optimized with the Yoast SEO plugin v27.2 - https:\/\/yoast.com\/product\/yoast-seo-wordpress\/ -->\n<title>Raspberry Pi \/ Linux - IPv64.net DynDNS Update Script<\/title>\n<meta name=\"description\" content=\"Das ist hier ein sehr einfaches Linux Bash Script um DynDNS Adressen bei IPv64.net effizient und sehr einfach zu aktualisieren.\" \/>\n<meta name=\"robots\" content=\"index, follow, max-snippet:-1, max-image-preview:large, max-video-preview:-1\" \/>\n<link rel=\"canonical\" href=\"https:\/\/ipv64.net\/blog\/linux\/raspberry-pi-linux-ipv64-net-dyndns-update-script\/\" \/>\n<meta property=\"og:locale\" content=\"de_DE\" \/>\n<meta property=\"og:type\" content=\"article\" \/>\n<meta property=\"og:title\" content=\"Raspberry Pi \/ Linux - IPv64.net DynDNS Update Script\" \/>\n<meta property=\"og:description\" content=\"Das ist hier ein sehr einfaches Linux Bash Script um DynDNS Adressen bei IPv64.net effizient und sehr einfach zu aktualisieren.\" \/>\n<meta property=\"og:url\" content=\"https:\/\/ipv64.net\/blog\/linux\/raspberry-pi-linux-ipv64-net-dyndns-update-script\/\" \/>\n<meta property=\"og:site_name\" content=\"IPv64.net Tech Blog\" \/>\n<meta property=\"article:published_time\" content=\"2025-02-05T10:18:07+00:00\" \/>\n<meta property=\"article:modified_time\" content=\"2025-02-05T11:07:04+00:00\" \/>\n<meta name=\"author\" content=\"admin\" \/>\n<meta name=\"twitter:card\" content=\"summary_large_image\" \/>\n<meta name=\"twitter:label1\" content=\"Verfasst von\" \/>\n\t<meta name=\"twitter:data1\" content=\"admin\" \/>\n\t<meta name=\"twitter:label2\" content=\"Gesch\u00e4tzte Lesezeit\" \/>\n\t<meta name=\"twitter:data2\" content=\"1\u00a0Minute\" \/>\n<script type=\"application\/ld+json\" class=\"yoast-schema-graph\">{\"@context\":\"https:\/\/schema.org\",\"@graph\":[{\"@type\":\"Article\",\"@id\":\"https:\/\/ipv64.net\/blog\/linux\/raspberry-pi-linux-ipv64-net-dyndns-update-script\/#article\",\"isPartOf\":{\"@id\":\"https:\/\/ipv64.net\/blog\/linux\/raspberry-pi-linux-ipv64-net-dyndns-update-script\/\"},\"author\":{\"name\":\"admin\",\"@id\":\"https:\/\/ipv64.net\/blog\/#\/schema\/person\/9a68c760a60597ffb98b319437309428\"},\"headline\":\"Raspberry Pi \/ Linux &#8211; 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