编辑/etc/default/grub,在GRUB_CMDLINE_LINUX加上的后面句首加上ipv6.disable=1。 修改前: # cat /etc/default/grub GRUB_TIMEOUT=5 GRUB_DISTRIBUTOR="$(sed 's, release .*$,,g' /etc/system-release)" GRUB_DEFAULT=saved GRUB_DISABLE_SUBMENU=true GRUB_TERMINAL_OUTPUT="console" GRUB_CMDLI…