我编辑:
vi /proc/sys/net/ipv4/icmp_echo_ignore_all
最后不让我存,提示:
WARNING: The file has been changed since reading it!!!
Do you really want to write to it (y/n)?y
"icmp_echo_ignore_all" E667: Fsync failed
Hit ENTER or type command to continue
按任意键就退回去了,我只能q! 我用的是root用户,我害怕有服务在用这文件重启系统编辑也不行~我用的是企业4 |