[root@localhost ~]# cat /etc/sysconfig/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_CMDLINE_LINUX="rd.lvm.lv=centos/swap rhgb quiet" GRUB_CMDLINE_LINUX="rd.lvm.lv=centos/swap rhgb net.ifnames=0 biosdevname=0 quiet" GRUB_DISABLE_RECOVERY="true"
重新配置
grub2-mkconfig -o /boot/grub2/grub.cfg
ip addr flush dev ens33
看错误信息
tail -n 200 /var/log/messages
vmware 虚拟机 配置 网关为 192.168.22.2 结尾不能为1，会导致无法ping通网络
