momen 方法一: sudo vim /etc/default/grub 找到GRUB_CMDLINE_LINUX_DEFAULT="quiet spalsh" 改为 GRUB_CMDLINE_LINUX_DEFAULT="ipv6.disable=1 quiet spalsh" sudo update-grub
momen 方法二: sudo sysctl -w net.ipv6.conf.all.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.default.disable_ipv6=1 sudo sysctl -w net.ipv6.conf.lo.disable_ipv6=1