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wifi_ap_diskless [2025/06/13 18:31] – Yukiwifi_ap_diskless [2025/06/17 13:12] (current) – Yuki
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 ===== Configure the access point ===== ===== Configure the access point =====
  
-FIXME //Seems I can't use the 5 GHz band on my Intel card, see [[arch>Software_access_point#Cannot_start_AP_mode_in_5_GHz_band]], patch kernel?//+Ideally you want to configure ''hostapd.conf'' with ''hw_mode=a'' to use Wi-Fi 5 (aka 802.11ac) capabilities and use the 5 GHz band, for Wi-Fi 4 (802.11n) and the 2.4 GHz band you can use ''hw_mode=g''. Use ''iw list'' to find out which channels you can use, those marked ''no IR'' are unusable.
  
-Ideally you want to configure ''hostapd.conf'' with ''hw_mode=a'' to use Wi-Fi 5 (aka 802.11ac) capabilities, for Wi-Fi 4 (802.11n) you can use ''hw_mode=g''.+<note tip>Seems I can't use the 5 GHz band on my Intel card(( [[arch>Software_access_point#Cannot_start_AP_mode_in_5_GHz_band]])), patch kernel?</note>
  
-The wireless interface may or may not show up right at boot unless you modprobe ''iwlmvm'', make sure you either add it to ''/etc/modules-load.d'' or also ''/etc/mkinitcpio.conf''.+Solution: Apparently ''hostapd'' resets the regdomain before starting and it doesn't scan beforehand so the Intel LAR sets it correctly again, use [[https://tildearrow.org/?p=post&month=7&year=2022&item=lar|this patch]] so the regdomain can be properly set and you can access the 5 GHz band, no kernel recompile needed. Well, unless there's no wi-fi signal around... 
 + 
 +Relevant Arch packages: [[aur>iwlwifi-lar-disable-dkms]], [[aur>hostapd-git-intel-lar]] 
 + 
 +Also, the wireless interface may or may not show up right at boot unless you modprobe ''iwlmvm'', make sure you either add it to ''/etc/modules-load.d'' or also ''/etc/mkinitcpio.conf''.
  
 ===== Wired ethernet ===== ===== Wired ethernet =====
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   * [[https://serverfault.com/questions/602019/booting-a-diskless-debian-system-using-bonding-bridging-and-iscsi]]   * [[https://serverfault.com/questions/602019/booting-a-diskless-debian-system-using-bonding-bridging-and-iscsi]]
 +  * [[https://groupe-tazor.com/notes/a8tbdbcfcjzn035m]]
wifi_ap_diskless.1749853919.txt.gz · Last modified: by Yuki

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