Unix/Linux????????
???????????? ???????[ 2015/3/31 13:53:41 ] ????????Linux Unix ?????? ????
????arp:ARP?????а?????????????????????洢IP??????侭????????MAC???
????// ?????????Bound0??ip?????mac???
????arp -n -i bond0 | awk '$5=="bond0" {print $1??$3}'
????sed:???????????????????????????????б?????
????// ??/script/ip??????????????????
????sed -n '1p' /script/ip
????iptables:?????μ? 3.5 ?汾 Linux ??????? IP???????????
????iptables -t filter –(…) //filter??????????
????iptables -t nat –(…) // nat??????????
????iptables -t mangle –(…) // mangle??????????????
????crontab:?????????????????е??????????????????豸????????????????“crontab”????У?????????????С?
????// ??????????б?
????vi /etc/crontab
????// ????????xxx
????*/1 * * * * xxx
????// ???2??20????? xxx
????20 2 * * * xxx
????// ??12?????????????6??12???У????20???????xxx
????*/20 6-12 * 12 * xxx
????// ????????????????5:00???xxx
????0 17 * * 1-5 xxx
??????
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