閮剖 CentOS 蝬脰楝踝冽祆閮剖銝剔雯頝臬賣臭誑閮剖箏 IP 雿靘脰隤芣臭誑鈭蝔格孵閮剖箏 IP 雿嚗銝箔蝙冽隞 system-config-network 靘脰鈭閮剖嚗血銝蝔格孵箸撠箏 IP 雿蝬脰楝桃蔗蝑賊鞈閮撖怠 ifcfg-eth0 蝬脣∟身摰瑼銝哨閮剝銝餅蝔勗臬神 network 閮剖瑼銝哨敺臬 DNS 蝔梯圾鞈閮撖怠 resolve.conf 閮剖瑼銝准銝雿甇仿隞 system-config-network 隞日脰鈭閮剖嚗銋敺閫憒雿撠蝬脰楝鞈閮撖怠亥身摰瑼孵嚗 - 瑁 system-config-network 隞支蝙蝟餌絞脣乩閮剖閬蝒銝准
- 豢Devices configuration 敺甇斗憿舐內摰鋆潭迨銝餅蝬脰楝⊥殷砌粹豢臭銝撘萇雯頝臬∼eth0 (eth0) VMware VMXNET3 Ethernet Controller
- 撠Use DHCP暸賊桀瘨銝虫撠箏 IP 雿蝬脰楝桃蔗閮剝蝑鞈閮憛怠亙銝OK
- 甇斗恍W啣豢蝬脣∠閬蝒嚗隞乩噶刻閮剖憭蝬脰楝∟身摰嚗嚗亥銝Save啣憪鈭閮剖閬蝒銝准
- 亥豢DNS configuration靘脣亥身摰 DNS 閬蝒嚗隢憛怠乩蜓璈蝔晞DNS 隡箸 IP 雿蝑鞈閮敺銝OK
- 敺舀銝Save&Quit蝣箏脣閮剖敺a鈭閮剖閬蝒
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0 v- K# ?- X+ O) T& G3 I0 v6 F銝餈唬閮剖撠蝬脰楝鞈閮閮剖摰敺嚗雿璆剔頂蝯望撠賊蝬脰楝閮剖澆神亦詨閮剖瑼銝哨靘憒箏 IP 雿蝬脰楝桃蔗閮剝鞈閮撖怠亥 /etc/sysconfig/network-scripts/ifcfg-eth0 蝬脣∟身摰瑼銝哨銝餅蝔勗撖怠 /etc/sysconfig/network 閮剖瑼改 DNS 蝔梯圾蝬脰楝鞈閮臬神 /etc/resolv.conf 閮剖瑼扼蝑撱箄降交函銝餅摰鋆憭蝬脰楝⊥嚗隢撠閮剝鞈閮撖怠亥 /etc/sysconfig/network 閮剖瑼抒箸頛瘣賜嗥閮剖 隞交臭誑其閮剖摰W嚗亦賊蝬脰楝閮剖瑼批捆臭誑啁賊蝬脰楝鞈閮撌脣神乓甇斗典臭誑靘鈭箏憟賭瘙箏閬憒雿閮剖蝬脰楝鞈閮 CentOS 雿璆剔頂蝯曹葉嚗冽航雿輻冽隞 system-config-network 隞乩孵靘閮剖蝬脰楝鞈閮嚗撠賊蝬脰楝閮剖澆神亦賊閮剖瑼找臬航寞撠梁鈭箇靘隤迎雿輻其閮剖靘閮剖賊鞈閮嚗銝虫潸身摰摰敺亦賊閮剖瑼批捆嚗蝣箏∟炊喳荔臭誑餉嗥賊閮剖瑼批捆銝剖詨蝔梧 - #cat /etc/sysconfig/network-scripts/ifcfg-eth0 //亦蝬脰楝∟身摰瑼批捆
; _. w! A/ B6 H) O$ a0 V9 ?" a - DEVICE=eth0
1 ~! z+ q1 \' s7 b - BOOTPROTO=static
$ E2 }) i" ]& V3 \$ e3 i0 `& Y - ONBOOT=yes T5 }/ B- v1 D2 r1 g7 F
- HWADDR=00:50:56:9d:00:05, D, z/ g* H9 c. r! y
- NETMASK=255.255.255.0
6 e$ H/ |, Q* z: c& G - IPADDR=192.168.1.10) G8 Q5 h5 @ q! z5 N) k
- TYPE=Ethernet
* j3 C" `6 v9 k8 `1 S* e1 S- Y - #cat /etc/sysconfig/network //亦銝餅蝔梯身摰瑼批捆
f- ~" U0 Z8 K* i& @& K) l - NETWORKING=yes
, v, l% |- P2 p& B - HOSTNAME=Centos6.weithenn.org
) d, A8 ~$ c9 n" d/ t - GATEWAY=192.168.1.254
1 N, F6 u8 J9 w0 q( I$ M, m - #cat /etc/resolv.conf //亦蝔梯圾閮剖瑼批捆
8 l ?& t' h G - search weithenn.org
2 @+ I2 h4 x, O! c3 f* m4 p& s T/ J - nameserver 8.8.8.82 I0 t: U4 v8 a* e4 C
- nameserver 168.95.192.15 r3 S) {* K. G# S" k1 J/ w$ v
- nameserver 168.95.1.1
銴鋆賭誨蝣
9 \7 ?, K) x" |( B/ d3 G u) J8 R7 `2 |2 v嗡餈啗身摰摰敺航賣潛 CentOS 銝餅隞嗥⊥銝蝬脤蝬脰楝園鈭閮剖撌脩閮剖憟賜賊蝬脰楝鞈閮嚗雿雿璆剔頂蝯梁桀隞芸刻渡賊閮剖嚗靘憒憟券閮剝閮剖潘箝service network restart隞文芣撠 ifcfg-eth* 閮剖瑼批捆銝 ONBOOT=yes 撠望賢甇W撣嗉絲靘(摰鋆摰OS,銝虫eth*,臭誑甬fconfig閫撖,臬槐fcfg-eth*別NBOOT=no(銝亦箔?),寞yes,service network restart蝬脰楝)嚗銝虫撠 Default Gateway 銝嚗撱箄降典臭誑瑁隞 reboot 啣銝餅靘芸憟典閮剖賊蝬脰楝鞈閮嚗啣頝舐梯銋臭誑 嗆典 CentOS 銝餅啣摰銋敺嚗典臭誑雿輻 ping 隞支斗瑚蜓璈臬西賡拚銝蝬脤蝬脰楝脰蝔梯圾雿嚗甇文斗瑟迨唬蜓璈蝬脰楝閮臬∪典芸啁銝隞乩噶日胯 - #ping 127.0.0.1 //瑼X Loopback IP Address - L; [8 ], J/ [- ]7 h& X' R
- #ping 192.168.1.10 //瑼X亥身摰箏 IP Address/ B) m2 \+ H0 |- q }3 `' Q: Q
- #ping 192.168.1.254 //瑼X乩蜓璈閮剝銋閮
( g: V! U, A! [" S7 ^$ p& d% e, J - #ping 8.8.8.8 //瑼X乩蜓璈賢阡蝯 DNS 隡箸9 s8 B1 P5 D$ V0 j4 W
- #ping tw.yahoo.com //瑼X乩蜓璈賢阡脰蝔梯圾
銴鋆賭誨蝣
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憒雿閮剖頝舐梧 臭誑雿輻冽隞扎netstat -nr靘亦祆頝舐梯” (Routing Table)嚗亥雿輻 route add/del靘啣芷方楝梯嚗-net箸亥餌蝬脫挾嚗gw航餉府蝬脫挾撟急刻撠 IP 雿 (銋撠望 Next-Hop 暺)9 t- F, k$ \( H5 F
- #netstat -nr
' u! Q2 v! y9 _: c4 u8 e* u( g - Kernel IP routing table
0 S) f5 d9 r7 B; h' o7 G/ p - Destination Gateway Genmask Flags MSS Window irtt Iface5 v- m a) K0 G$ P% E
- 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth0
3 P0 j) z$ X: @. j9 _ - 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
r9 M7 b d& S% t, L! I; ]$ f+ j7 _) m - #route add -net default gw 192.168.1.254
* c7 ] t, A( l. y - #route add -net 192.168.0.0/24 gw 192.168.1.2541 m) `3 I+ W5 Q' R$ M
- #netstat -nr) a; b0 H# a5 _+ |$ ` @
- Kernel IP routing table# @# z) O+ j- L/ O3 Y
- Destination Gateway Genmask Flags MSS Window irtt Iface! f8 C& i$ o) {" O. E$ J
- 192.168.0.0 192.168.1.254 255.255.255.0 UG 0 0 0 eth00 _* C0 u. B0 K5 l) ]
- 192.168.1.0 0.0.0.0 255.255.255.0 U 0 0 0 eth08 g; x6 n) y* m, D1 `/ G2 I( Y
- 169.254.0.0 0.0.0.0 255.255.0.0 U 0 0 0 eth0
2 W C6 u7 x* `1 {6 g - 0.0.0.0 192.168.1.254 0.0.0.0 UG 0 0 0 eth0
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臭蝙典孵遣霅唬蝙函ip route add隞支脰頝舐梁撱箇撌乩
" Q% l% b- e3 c6 [- #ip route add 192.168.0.0/24 via 192.168.1.254 dev eth0
6 T7 \5 A: @5 a$ e' _7 W d5 u - #ip route del 192.168.0.0/24
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