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有些情況，你可能只想使用IPv4，而不用IPv6，所以手動關閉IPv6

Jack
in Debian Config

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有些情況，你可能只想使用IPv4，而不用IPv6

所以需要手動關閉IPv6

查看是否啟用IPv6

ifconfig -a | grep inet6

修改

vi /etc/sysctl.conf

在最底下，貼上這幾行

net.ipv6.conf.all.disable_ipv6 = 1

net.ipv6.conf.default.disable_ipv6 = 1

net.ipv6.conf.lo.disable_ipv6 = 1

儲存並離開

:wq

再次載入/etc/sysctl.conf的設定

sysctl -p

重開機

reboot

再確認是否啟用IPv6，沒反應就是已關閉IPv6

ifconfig -a | grep inet6

Edited by Jack

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https://phpforumer.com/topic/996/
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Configure browser push notifications
Chrome (Android)
  1. Tap the lock icon next to the address bar.
  2. Tap Permissions → Notifications.
  3. Adjust your preference.
Chrome (Desktop)
  1. Click the padlock icon in the address bar.
  2. Select Site settings.
  3. Find Notifications and adjust your preference.