ubuntu禁用ipv6
- gedit /etc/default/grub
- 
    GRUB_CMDLINE_LINUX_DEFAULT=”quiet splash” 
 变为
 GRUB_CMDLINE_LINUX_DEFAULT=”ipv6.disable=1 quiet splash”
- sudo update-grub
检查:
ip a | grep inet6
gedit /etc/default/grubGRUB_CMDLINE_LINUX_DEFAULT=”quiet splash”
变为
GRUB_CMDLINE_LINUX_DEFAULT=”ipv6.disable=1 quiet splash”
sudo update-grubip a | grep inet6