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identity=mailfrom; envelope-from="miller@hamnavoe.com"; helo=balrog.mythic-beasts.com; client-ip=46.235.227.24 Received: from balrog.mythic-beasts.com (balrog.mythic-beasts.com [46.235.227.24]) (using TLSv1.2 with cipher ECDHE-RSA-AES256-GCM-SHA384 (256/256 bits)) (No client certificate requested) by tb-mx0.topicbox.com (Postfix) with ESMTPS for <9fans@9fans.net>; Thu, 14 Jan 2021 10:20:33 -0500 (EST) (envelope-from miller@hamnavoe.com) Received: from [88.97.27.83] (port=44420 helo=hamnavoe.com) by balrog.mythic-beasts.com with esmtpsa (TLS1.0:RSA_AES_256_CBC_SHA1:256) (Exim 4.92.3) (envelope-from ) id 1l04QG-0003Wd-VS for 9fans@9fans.net; Thu, 14 Jan 2021 15:20:33 +0000 Message-ID: <32a59b33244b34dbb45e818fe87f6fe4@hamnavoe.com> To: 9fans@9fans.net From: Richard Miller <9fans@hamnavoe.com> Date: Thu, 14 Jan 2021 15:20:27 +0000 MIME-Version: 1.0 Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: quoted-printable X-BlackCat-Spam-Score: 1 Topicbox-Policy-Reasoning: allow: sender is a member Topicbox-Message-UUID: 0efa8610-567c-11eb-8a58-b30d618aab5d Archived-At: =?UTF-8?B?PGh0dHBzOi8vOWZhbnMudG9waWNib3guY29tL2dyb3Vwcy85?= =?UTF-8?B?ZmFucy9UYjcyZDZiYWYxMDg4N2RhMy1NMjZkZWIyNGUxYmUxNzZiMWUxYzY0?= =?UTF-8?B?MGRlPg==?= List-Help: List-Id: "9fans" <9fans.9fans.net> List-Post: List-Software: Topicbox v0 List-Subscribe: Precedence: list Reply-To: 9fans <9fans@9fans.net> Subject: [9fans] raspberry pi root filesystem via wifi List-Unsubscribe: , Topicbox-Delivery-ID: 2:9fans:437d30aa-c441-11e9-8a57-d036212d11b0:522be890-2105-11eb-b15e-8d699134e1fa:M26deb24e1be176b1e1c640de:1:HrDf_LP5DSWfPEp8KGJfD7YztgA6seYGoga4sIdc4q4 > Have you ever tried taking root from a wifi connected server on a PI? I was asked this question by email, but I'll reply on the list in case others would like to know. Yes, 9pi allows for this. You need a kernel built from configuration /sys/src/9/bcm/pi2wifi (for Pi2 and Pi3) or /sys/src/9/bcm/pi4wifi (for Pi4). Some configuration variables need to be defined at boot time, either in cmdline.txt (see the sample cmdline-wifiroot.txt in the DOS partition) or by responding to prompts (if you'd rather not store your wifi password on the SD card). The wifi configurations use /bin/rc as the boot process instead of the normal boot program, with /sys/src/9/bcm/bootwifi.rc as a script. Feel free to tinker with this script to adapt to your local setup. The pi[24]wifi configurations are for a Plan 9 terminal. Adapting these for a Pi cpu server taking root over wifi is left as an exercise for the reader. (Hint: diff pi2 pi2cpu) ------------------------------------------ 9fans: 9fans Permalink: https://9fans.topicbox.com/groups/9fans/Tb72d6baf10887da3-M26deb= 24e1be176b1e1c640de Delivery options: https://9fans.topicbox.com/groups/9fans/subscription