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CentOS 七 缃戠粶閰嶇疆

分类: IT文章 • 2024-12-02 13:16:31
CentOS 7 缃戠粶閰嶇疆

聽

聽浠婂ぉ鍦ㄤ竴鍙癙C涓婂畨瑁呬簡CentOS 7锛屽綋鏃堕€夋嫨浜嗘渶灏忓畨瑁呮ā寮忥紝瀹夎瀹屾垚鍚庨┈涓婄敤ifconfig鏌ョ湅鏈満鐨?/span>ip鍦板潃锛堝眬鍩熺綉宸茬粡鏈塂HCP锛夛紝鍙戠幇鎶ラ敊,鎻愮ずifconfig鍛戒护娌℃壘鍒般€?/span>


[root@centos1 ~]#聽ifconfig

-bash: ifconfig: command not found

棣栧厛锛屼範鎯€х殑杈撳叆echo $PATH(鏌ョ湅褰撳墠PATH鐜鍙橀噺锛岃窡DOS鐨刾ath鍛戒护涓€鏍风殑鍔熻兘锛屾敞鎰廘inux绯荤粺涓殑鍛戒护鏄尯鍒嗗ぇ灏忓啓鐨?锛屾樉绀虹粨鏋滃涓嬶細

[root@centos1 ~]#聽echo $PATH

/usr/local/sbin:/usr/local/bin:/usr/sbin:/usr/bin:/root/bin

浠庝笂闈㈡樉绀虹粨鏋滅湅锛屾斁缃郴缁熺鐞嗙▼搴忕殑璺緞/usr/sbin宸插瓨鍦紝灏辨槸鏀惧閮ㄥ懡浠ょ殑璺緞銆傜洿鎺ョ敤ls鏌ョ湅/usr/sbin/鐩綍锛屼篃娌＄湅鍒?strong style="padding: 0px; margin: 0px;">ifconfig锛屾€庝箞鍥炰簨锛?br style="padding: 0px; margin: 0px;">
[root@centos1 ~]#聽ls /usr/sbin/

鎴戣繕鏄笉姝诲績锛屽啀鐢?strong style="padding: 0px; margin: 0px;">find鍛戒护涔熸病鎵惧埌ifconfig?

[root@centos1 ~]#聽find / -name "ifconfig"

姝ゆ椂蹇冮噷鏈夊簳浜嗭紝搴旇鏄敤鏌愪釜鍛戒护浠ｆ浛浜?strong style="padding: 0px; margin: 0px;">ifconfig浜嗐€備笂鐧惧害涓€鏌ワ紝鏋滀笉鍏剁劧锛屽凡缁忕敤ip鍛戒护浠ｆ浛ifconfig鍛戒护浜嗐€備笅闈㈠垪鍑?strong style="padding: 0px; margin: 0px;">ip鍛戒护甯哥敤鍙傛暟銆?/p>

聽

ip聽 [閫夐」]聽 鎿嶄綔瀵硅薄{link|addr|route...}

# ip link show 聽 聽 聽 聽 聽 聽 聽 聽# 鏄剧ず缃戠粶鎺ュ彛淇℃伅
# ip link set eth0 upi 聽 聽 聽 聽 聽 # 寮€鍚綉鍗?br style="padding: 0px; margin: 0px;"># ip link set eth0 down 聽 聽 聽 聽 聽# 鍏抽棴缃戝崱
# ip link set eth0 promisc on 聽 聽 聽# 寮€鍚綉鍗＄殑娣峰悎妯″紡
# ip link set eth0 promisc offi 聽 聽 # 鍏抽棴缃戝崱鐨勬贩涓ā寮?br style="padding: 0px; margin: 0px;"># ip link set eth0 txqueuelen 1200 聽 # 璁剧疆缃戝崱闃熷垪闀垮害
# ip link set eth0 mtu 1400 聽 聽 聽 聽# 璁剧疆缃戝崱鏈€澶т紶杈撳崟鍏?br style="padding: 0px; margin: 0px;"># ip addr show 聽 聽 聽 聽 聽 聽 聽 聽# 鏄剧ず缃戝崱IP淇℃伅
# ip addr add 192.168.0.1/24 dev eth0 # 璁剧疆eth0缃戝崱IP鍦板潃192.168.0.1
# ip addr del 192.168.0.1/24 dev eth0 # 鍒犻櫎eth0缃戝崱IP鍦板潃

# ip route list聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽聽 # 鏌ョ湅璺敱淇℃伅
# ip route add 192.168.4.0/24聽 via聽 192.168.0.254 dev eth0 # 璁剧疆192.168.4.0缃戞鐨勭綉鍏充负192.168.0.254,鏁版嵁璧癳th0鎺ュ彛
# ip route add default via聽 192.168.0.254聽 dev eth0聽聽聽 # 璁剧疆榛樿缃戝叧涓?92.168.0.254
# ip route del 192.168.4.0/24 聽 聽 聽# 鍒犻櫎192.168.4.0缃戞鐨勭綉鍏?br style="padding: 0px; margin: 0px;"># ip route del default 聽 聽 聽 聽 聽# 鍒犻櫎榛樿璺敱


杈撳叆ip addr鍛戒护鍚庯紝鍙戠幇enp2s0缃戝崱锛堣繖涓?strong style="padding: 0px; margin: 0px;">enp2s0鏄垜杩欓噷鐨勭綉鍗★級娌℃湁ip鍦板潃銆?br style="padding: 0px; margin: 0px;">
[root@centos1 ~]#聽ip addr

鏃㈢劧娌℃湁ip鍦板潃锛岄偅鐩存帴鍘?strong style="padding: 0px; margin: 0px;">/etc/sysconfig/network-scripts鐩綍涓湅涓€涓嬬殑缃戝崱ip淇℃伅鐨?span style="padding: 0px; margin: 0px; color: #ff0000;">閰嶇疆鏂囦欢鍚?/span>鍚с€?br style="padding: 0px; margin: 0px;">
[root@centos1 ~]#聽ls /etc/sysconfig/network-scripts/
ifcfg-enp2s0聽 ifdown-eth聽聽 ifdown-post聽聽聽 ifdown-Team聽聽聽聽聽 ifup-aliases聽 ifup-ipv6聽聽 ifup-post聽聽聽 ifup-Team聽聽聽聽聽 init.ipv6-global
ifcfg-lo聽聽聽聽聽 ifdown-ippp聽 ifdown-ppp聽聽聽聽 ifdown-TeamPort聽 ifup-bnep聽聽聽聽 ifup-isdn聽聽 ifup-ppp聽聽聽聽 ifup-TeamPort聽 network-functions
ifdown聽聽聽聽聽聽聽 ifdown-ipv6聽 ifdown-routes聽 ifdown-tunnel聽聽聽 ifup-eth聽聽聽聽聽 ifup-plip聽聽 ifup-routes聽 ifup-tunnel聽聽聽 network-functions-ipv6
ifdown-bnep聽聽 ifdown-isdn聽 ifdown-sit聽聽聽聽 ifup聽聽聽聽聽聽聽聽聽聽聽聽 ifup-ippp聽聽聽聽 ifup-plusb聽 ifup-sit聽聽聽聽 ifup-wireless


浠庣粨鏋滅湅锛屼箣鍓嶄繚瀛樼綉鍗?strong style="padding: 0px; margin: 0px;">ip淇℃伅鐨勯厤缃枃浠跺悕涔熺敱浠ュ墠鐨?strong style="padding: 0px; margin: 0px;">ifcfg-eth0鍙樻垚浜?strong style="padding: 0px; margin: 0px;">ifcfg-enp2s0锛屽ソ鍚э紝鏃㈢劧浣犵粰浠栧懡杩欎箞涓悕锛岄偅鎴戝氨鍏堢敤鐫€銆傚厛cat涓€涓?strong style="padding: 0px; margin: 0px;">ifcfg-enp2s0
[root@centos1 ~]#聽cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
TYPE=Ethernet
BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=no

浠庝笂闈㈢殑閰嶇疆涓湁鐪嬪埌铏界劧BOOTPROTO=dhcp锛屼絾鏄?strong style="padding: 0px; margin: 0px;">ONBOOT=no锛岃繖閲岀敤vi灏?strong style="padding: 0px; margin: 0px;">ONBOOT=no鏀规垚ONBOOT=yes锛岀劧鍚庨噸鍚疌entOS銆?br style="padding: 0px; margin: 0px;">
[root@centos1 ~]#聽shutdown -r

閲嶅惎瀹屾垚鍚庤緭鍏ュ笎鍙峰拰瀵嗙爜杩涘叆鍛戒护鎻愮ず鎿嶄綔绗︾户缁敤ip addr鏌ョ湅缃戝崱淇℃伅銆傜粨鏋滃涓嬶細
[root@centos1 ~]#聽ip add
1: lo: <LOOPBACK,UP,LOWER_UP> mtu 65536 qdisc noqueue state UNKNOWN
聽聽聽 link/loopback 00:00:00:00:00:00 brd 00:00:00:00:00:00
聽聽聽 inet 127.0.0.1/8 scope host lo
聽聽聽聽聽聽 valid_lft forever preferred_lft forever
聽聽聽 inet6 ::1/128 scope host
聽聽聽聽聽聽 valid_lft forever preferred_lft forever
2: enp2s0: <BROADCAST,MULTICAST,UP,LOWER_UP> mtu 1500 qdisc pfifo_fast state UP qlen 1000
聽聽聽 link/ether 00:e0:69:01:6a:96 brd ff:ff:ff:ff:ff:ff
聽聽聽 inet 172.8.1.200/24 brd 172.8.1.255 scope global enp2s0
聽聽聽聽聽聽 valid_lft forever preferred_lft forever
聽聽聽 inet6 fe80::2e0:69ff:fe01:6a96/64 scope link
聽聽聽聽聽聽 valid_lft forever preferred_lft forever

浠庝笂闈㈢粨鏋滅湅鍒帮紝閫氳繃DHCP鍒嗛厤鍒扮殑ip鍦板潃鏄?strong style="padding: 0px; margin: 0px;">172.8.1.200锛岃櫧鐒舵槸娴嬭瘯鏈猴紝浣嗕负浜嗕究浜庝粖鍚庣殑杩滅▼杩炴帴锛屾垜浠繕鏄粰杩欏彴鏈洪厤缃竴涓浐瀹歩p鍚с€?br style="padding: 0px; margin: 0px;">
鐢?strong style="padding: 0px; margin: 0px;">vi鎵撳紑ifcfg-enp2s0锛岃緭鍏ヤ互涓嬪弬鏁帮紝鍐嶇敤#灏?strong style="padding: 0px; margin: 0px;">BOOTPROTO=dhcp娉ㄩ噴銆?br style="padding: 0px; margin: 0px;">IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1

瀹屾暣鍙傛暟濡備笅锛屽ソ浜嗭紝缃戠粶閰嶉€氫簡銆傛槑澶╃户缁叾瀹冨姛鑳芥祴璇曘€?br style="padding: 0px; margin: 0px;">[root@centos1 ~]#聽cat /etc/sysconfig/network-scripts/ifcfg-enp2s0
HWADDR=00:E0:69:01:6A:96
TYPE=Ethernet
#BOOTPROTO=dhcp
DEFROUTE=yes
PEERDNS=yes
PEERROUTES=yes
IPV4_FAILURE_FATAL=no
IPV6INIT=yes
IPV6_AUTOCONF=yes
IPV6_DEFROUTE=yes
IPV6_PEERDNS=yes
IPV6_PEERROUTES=yes
IPV6_FAILURE_FATAL=no
NAME=enp2s0
UUID=5b0a7d76-1602-4e19-aee6-29f57618ca01
ONBOOT=yes
IPADDR0=172.8.1.211
PREFIX0=24
GATEWAY0=172.8.1.1
DNS1=172.8.1.1

聽

褰撹仈涓婁簰鑱旂綉鍚庯紝鎴戜滑鍙互鐢?strong style="padding: 0px; margin: 0px;">yum install net-tools瀹夎net-tools缁勪欢锛屽皢ifconfig鍛戒护鎵惧洖鏉ャ€傛湁浜嗕簰鑱旂綉涓€鍒囬兘濂藉姙浜嗐€?br style="padding: 0px; margin: 0px;">
[root@centos1 ~]#yum install net-tools

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