ifconfig用于配置网卡地址，改动后立即生效，但并不保存配置，下次启动后失效。 # ifconfig -a lo0: flags=849 inet 127.0.0.1 netmask ff000000 hme0: flags=863 inet 172.16.255.2 netmask ffff0000 broadcast 172.16.255.255 ether 8:0:20:ee:11:51 ＃ifconfig hme0 172.16.3.3 netmask 255.255.255.0 ＃ifconfig –a lo0: flags=849 inet 127.0.0.1 netmask ff000000 hme0: flags=863 inet 172.16.3.3 netmask ffffff00 broadcast 172.16.3.255 ether 8:0:20:ee:11:51 /etc/hosts 想要永久更改配置，则要更改配置文件，以网卡hme0为例： #more /etc/hostname.hme0 Sunland #more /etc/hosts 127.0.0.1 localhost 172.16.255.2 Sunland loGhost #vi /etc/hosts #more /etc/hosts 127.0.0.1 localhost 172.16.3.3 Sunland loghost #more /etc/netmasks # # The netmasks file associates Internet PRotocol (ip) address # masks with IP network numbers. # # network-number netmask # # The term network-number refers to a number obtained from the Internet Network # Information Center. Currently this number is restricted to being a class # A, B, or C network number. In the future we should be able to support # arbitrary network numbers per the Classless Internet Domain Routing # guidelines. # # Both the network-number and the netmasks are specified in # "decimal dot" notation, e.g: # # 128.32.0.0 255.255.255.0 #vi /etc/netmasks #more /etc/netmasks # # The netmasks file associates Internet Protocol (IP) address # masks with IP network numbers. # # network-number netmask # # The term network-number refers to a number obtained from the Internet Network # Information Center. Currently this number is restricted to being a class # A, B, or C network number. In the future we should be able to support # arbitrary network numbers per the Classless Internet Domain Routing # guidelines. # # Both the network-number and the netmasks are specified in # "decimal dot" notation, e.g: # # 128.32.0.0 255.255.255.0 172.16.3.0 255.255.255.0 ＃reboot |
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