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红尘影院手机在线观看最新版-飘雪影视在线观看西瓜...

同时让人惊喜的是这名女孩也已经有了身孕,她自己也一直坚信着,自己这是嫁给了爱情,并不在意别人的看法。

2025年01月15日,经检测,这辆车有完整的全车深度检测报告,您可以了解一下详细车况信息。

红尘影院手机在线观看最新版-飘雪影视在线观看西瓜...

他提出了鸟类近缘种在垂直分布上存在替代现象阐明了鸟类从独巢到群巢的演化过程以及鸟类营巢的进化趋向;首次用景观生态学的理论对城市鸟类群落丰富度和岛屿化效应进行了系统研究对我国伯劳科等鸟类分类进行了系统的研究与订正他依据国内外对鸟类分类和系统发育的最新研究成果对中国鸟类的分类和分布进行了创新性研究对世界鸟类分类系统和相关物种的分类地位进行了修订

综合服务队巡查队员在清理应急导览图上的遮挡藤蔓(央广网发 刘彩英 摄)2024-07-09 09:54·环球网

谤耻锄耻辞肠丑耻虫颈苍驳锄丑补辞驳耻:诲颈诲颈、虫颈补辞尘补锄丑颈虫颈苍驳诲别苍驳濒别颈箩颈谤别苍驳辞耻肠丑补辞1测颈尘别颈测耻补苍锄丑别测颈箩颈箩颈耻箩颈补苍驳测颈箩颈补苍驳,蝉丑耻颈驳别诲别虫颈补辞锄耻辞丑补辞蝉丑颈蝉丑颈尘别?

首(Shou)发(Fa)2024-07-06 22:03·法(Fa)咯(Ka)拉(La)迷(Mi)讲(Jiang)车(Che)

simiaoyoudianTOP2:baochibaozhuyuanchuang2024-06-24 20:27·tanmiqimo

常(Chang)用(Yong)的(De)linux网(Wang)络(Luo)debug工(Gong)具(Ju)原(Yuan)创(Chuang)2023-05-07 15:21·SuperOps网(Wang)络(Luo)配(Pei)置(Zhi)和(He)故(Gu)障(Zhang)排(Pai)除(Chu)是(Shi)系(Xi)统(Tong)管(Guan)理(Li)员(Yuan)需(Xu)要(Yao)经(Jing)常(Chang)执(Zhi)行(Xing)的(De)关(Guan)键(Jian)任(Ren)务(Wu)。其(Qi)中(Zhong)一(Yi)些(Xie)任(Ren)务(Wu)可(Ke)能(Neng)具(Ju)有(You)挑(Tiao)战(Zhan)性(Xing)。然(Ran)而(Er),当(Dang)处(Chu)理(Li)连(Lian)接(Jie)问(Wen)题(Ti)时(Shi),使(Shi)用(Yong)正(Zheng)确(Que)的(De)工(Gong)具(Ju)将(Jiang)帮(Bang)助(Zhu)您(Nin)以(Yi)更(Geng)快(Kuai)和(He)一(Yi)致(Zhi)的(De)方(Fang)式(Shi)实(Shi)现(Xian)结(Jie)果(Guo)。ip命(Ming)令(Ling)ip命(Ming)令(Ling)是(Shi)一(Yi)个(Ge)全(Quan)能(Neng)的(De)实(Shi)用(Yong)程(Cheng)序(Xu),用(Yong)于(Yu)显(Xian)示(Shi)和(He)操(Cao)作(Zuo)Linux系(Xi)统(Tong)上(Shang)的(De)网(Wang)络(Luo)对(Dui)象(Xiang),包(Bao)括(Kuo)IP地(Di)址(Zhi)、路(Lu)由(You)和(He)ARP表(Biao)。它(Ta)是(Shi)一(Yi)个(Ge)有(You)用(Yong)的(De)工(Gong)具(Ju),用(Yong)于(Yu)配(Pei)置(Zhi)网(Wang)络(Luo),以(Yi)及(Ji)解(Jie)决(Jue)网(Wang)络(Luo)连(Lian)接(Jie)问(Wen)题(Ti)。ip命(Ming)令(Ling)替(Ti)换(Huan)了(Liao)旧(Jiu)的(De)net-tools软(Ruan)件(Jian)包(Bao)提(Ti)供(Gong)的(De)许(Xu)多(Duo)命(Ming)令(Ling)的(De)功(Gong)能(Neng),如(Ru)ifconfig、route和(He)arp,但(Dan)它(Ta)添(Tian)加(Jia)了(Liao)许(Xu)多(Duo)其(Qi)他(Ta)功(Gong)能(Neng)。在(Zai)其(Qi)最(Zui)基(Ji)本(Ben)的(De)形(Xing)式(Shi)中(Zhong),您(Nin)只(Zhi)需(Xu)运(Yun)行(Xing)ip并(Bing)提(Ti)供(Gong)要(Yao)操(Cao)作(Zuo)的(De)网(Wang)络(Luo)对(Dui)象(Xiang),例(Li)如(Ru)地(Di)址(Zhi)、链(Lian)接(Jie)或(Huo)路(Lu)由(You),以(Yi)及(Ji)一(Yi)个(Ge)子(Zi)命(Ming)令(Ling)来(Lai)执(Zhi)行(Xing)操(Cao)作(Zuo)。如(Ru)果(Guo)您(Nin)没(Mei)有(You)给(Gei)出(Chu)子(Zi)命(Ming)令(Ling),许(Xu)多(Duo)对(Dui)象(Xiang)默(Mo)认(Ren)为(Wei)show子(Zi)命(Ming)令(Ling)以(Yi)显(Xian)示(Shi)与(Yu)该(Gai)对(Dui)象(Xiang)相(Xiang)关(Guan)的(De)信(Xin)息(Xi)。以(Yi)下(Xia)是(Shi)基(Ji)本(Ben)语(Yu)法(Fa):ip <对(Dui)象(Xiang)> [命(Ming)令(Ling)]例(Li)如(Ru),要(Yao)查(Cha)看(Kan)所(Suo)有(You)网(Wang)络(Luo)设(She)备(Bei)的(De)链(Lian)接(Jie)状(Zhuang)态(Tai),运(Yun)行(Xing)ip link show:ip link show这(Zhe)将(Jiang)显(Xian)示(Shi)所(Suo)有(You)可(Ke)用(Yong)网(Wang)络(Luo)接(Jie)口(Kou)及(Ji)其(Qi)状(Zhuang)态(Tai)的(De)列(Lie)表(Biao)。要(Yao)更(Geng)改(Gai)接(Jie)口(Kou)的(De)IP地(Di)址(Zhi),可(Ke)以(Yi)使(Shi)用(Yong)以(Yi)下(Xia)命(Ming)令(Ling):ip addr add / dev 例(Li)如(Ru),要(Yao)将(Jiang)接(Jie)口(Kou)eth0的(De)IP地(Di)址(Zhi)设(She)置(Zhi)为(Wei)192.168.1.100/24,可(Ke)以(Yi)运(Yun)行(Xing):ip addr add 192.168.1.100/24 dev eth0要(Yao)添(Tian)加(Jia)新(Xin)的(De)默(Mo)认(Ren)网(Wang)关(Guan),可(Ke)以(Yi)使(Shi)用(Yong)以(Yi)下(Xia)命(Ming)令(Ling):ip route add default via 例(Li)如(Ru),要(Yao)将(Jiang)默(Mo)认(Ren)网(Wang)关(Guan)设(She)置(Zhi)为(Wei)192.168.1.1,可(Ke)以(Yi)运(Yun)行(Xing):ip route add default via 192.168.1.1ip命(Ming)令(Ling)也(Ye)可(Ke)用(Yong)于(Yu)解(Jie)决(Jue)网(Wang)络(Luo)连(Lian)接(Jie)问(Wen)题(Ti)。例(Li)如(Ru),要(Yao)检(Jian)查(Cha)主(Zhu)机(Ji)是(Shi)否(Fou)可(Ke)达(Da),可(Ke)以(Yi)使(Shi)用(Yong)ping命(Ming)令(Ling):ping 例(Li)如(Ru),要(Yao)ping主(Zhu)机(Ji)google.com,可(Ke)以(Yi)运(Yun)行(Xing):ping google.com您(Nin)还(Huan)可(Ke)以(Yi)使(Shi)用(Yong)ip命(Ming)令(Ling)显(Xian)示(Shi)路(Lu)由(You)表(Biao):ip route show这(Zhe)将(Jiang)显(Xian)示(Shi)路(Lu)由(You)表(Biao),包(Bao)括(Kuo)默(Mo)认(Ren)网(Wang)关(Guan)和(He)任(Ren)何(He)其(Qi)他(Ta)配(Pei)置(Zhi)的(De)路(Lu)由(You)。总(Zong)的(De)来(Lai)说(Shuo),ip命(Ming)令(Ling)是(Shi)Linux系(Xi)统(Tong)上(Shang)网(Wang)络(Luo)配(Pei)置(Zhi)和(He)故(Gu)障(Zhang)排(Pai)除(Chu)的(De)强(Qiang)大(Da)而(Er)多(Duo)功(Gong)能(Neng)的(De)工(Gong)具(Ju)。nmcli工(Gong)具(Ju)Network Manager是(Shi)一(Yi)个(Ge)网(Wang)络(Luo)配(Pei)置(Zhi)应(Ying)用(Yong)程(Cheng)序(Xu),许(Xu)多(Duo)Linux发(Fa)行(Xing)版(Ban)(包(Bao)括(Kuo)RHEL和(He)Fedora)都(Du)默(Mo)认(Ren)安(An)装(Zhuang)了(Liao)它(Ta)。Network Manager作(Zuo)为(Wei)一(Yi)个(Ge)守(Shou)护(Hu)进(Jin)程(Cheng)运(Yun)行(Xing),其(Qi)目(Mu)标(Biao)是(Shi)提(Ti)供(Gong)一(Yi)个(Ge)更(Geng)高(Gao)级(Ji)别(Bie)的(De)接(Jie)口(Kou),使(Shi)网(Wang)络(Luo)配(Pei)置(Zhi)更(Geng)容(Rong)易(Yi)和(He)更(Geng)自(Zi)动(Dong)化(Hua)。桌(Zhuo)面(Mian)Linux用(Yong)户(Hu)或(Huo)具(Ju)有(You)图(Tu)形(Xing)界(Jie)面(Mian)的(De)服(Fu)务(Wu)器(Qi)的(De)用(Yong)户(Hu)通(Tong)常(Chang)使(Shi)用(Yong)Network Manager GUI客(Ke)户(Hu)端(Duan)来(Lai)配(Pei)置(Zhi)网(Wang)络(Luo)。对(Dui)于(Yu)仅(Jin)有(You)shell界(Jie)面(Mian)的(De)服(Fu)务(Wu)器(Qi)或(Huo)者(Zhe)想(Xiang)要(Yao)通(Tong)过(Guo)shell脚(Jiao)本(Ben)自(Zi)动(Dong)配(Pei)置(Zhi)的(De)情(Qing)况(Kuang),nmcli工(Gong)具(Ju)是(Shi)很(Hen)方(Fang)便(Bian)的(De)。Network Manager和(He)nmcli是(Shi)一(Yi)对(Dui)多(Duo)才(Cai)多(Duo)艺(Yi)的(De)组(Zu)合(He),可(Ke)以(Yi)验(Yan)证(Zheng)和(He)配(Pei)置(Zhi)许(Xu)多(Duo)网(Wang)络(Luo)选(Xuan)项(Xiang)。 nmcli的(De)基(Ji)本(Ben)语(Yu)法(Fa)是(Shi):nmcli [COMMAND] [ARGUMENTS]最(Zui)常(Chang)见(Jian)的(De)对(Dui)象(Xiang)包(Bao)括(Kuo):general-显(Xian)示(Shi)网(Wang)络(Luo)管(Guan)理(Li)器(Qi)状(Zhuang)态(Tai)和(He)权(Quan)限(Xian)networking-显(Xian)示(Shi),启(Qi)用(Yong)和(He)禁(Jin)用(Yong)网(Wang)络(Luo)radio-显(Xian)示(Shi),启(Qi)用(Yong)和(He)禁(Jin)用(Yong)WiFi和(He)WWANdevice-显(Xian)示(Shi)和(He)操(Cao)作(Zuo)网(Wang)络(Luo)设(She)备(Bei)的(De)状(Zhuang)态(Tai)connection-管(Guan)理(Li)网(Wang)络(Luo)管(Guan)理(Li)器(Qi)连(Lian)接(Jie)配(Pei)置(Zhi)文(Wen)件(Jian)不(Bu)可(Ke)能(Neng)在(Zai)一(Yi)篇(Pian)博(Bo)客(Ke)文(Wen)章(Zhang)中(Zhong)涵(Han)盖(Gai)所(Suo)有(You)选(Xuan)项(Xiang)。让(Rang)我(Wo)们(Men)查(Cha)看(Kan)一(Yi)些(Xie)使(Shi)用(Yong)nmcli进(Jin)行(Xing)常(Chang)见(Jian)网(Wang)络(Luo)配(Pei)置(Zhi)任(Ren)务(Wu)的(De)示(Shi)例(Li)。有(You)关(Guan)更(Geng)多(Duo)示(Shi)例(Li),请(Qing)参(Can)阅(Yue)官(Guan)方(Fang)的(De)nmcli-examples页(Ye)面(Mian)或(Huo)使(Shi)用(Yong)man nmcli-examples查(Cha)看(Kan)手(Shou)册(Ce)页(Ye)。检(Jian)查(Cha)网(Wang)络(Luo)设(She)备(Bei)的(De)状(Zhuang)态(Tai):$ nmcli device statusDEVICE TYPE STATE CONNECTIONenp1s0 ethernet connected enp1s0enp7s0 ethernet disconnected --lo loopback unmanaged --显(Xian)示(Shi)所(Suo)有(You)连(Lian)接(Jie)配(Pei)置(Zhi)文(Wen)件(Jian):$ nmcli con showNAME UUID TYPE DEVICEenp1s0 1bb35a4a-ad02-4cad-978a-4a97ea9527cb ethernet enp1s0显(Xian)示(Shi)特(Te)定(Ding)连(Lian)接(Jie)的(De)详(Xiang)细(Xi)信(Xin)息(Xi)(例(Li)如(Ru)enp1s0):$ nmcli connection show enp1s0从(Cong)连(Lian)接(Jie)中(Zhong)检(Jian)索(Suo)特(Te)定(Ding)参(Can)数(Shu)(例(Li)如(Ru)IP地(Di)址(Zhi)和(He)DNS):$ nmcli -g ip4.address,ip4.dns connection show enp1s0192.168.122.169/24192.168.122.1修(Xiu)改(Gai)连(Lian)接(Jie)参(Can)数(Shu),例(Li)如(Ru)从(Cong)DHCP切(Qie)换(Huan)到(Dao)手(Shou)动(Dong)连(Lian)接(Jie):$ sudo nmcli con mod enp1s0 ipv4.method manual ipv4.addresses 192.168.122.169/24 ipv4.dns 192.168.122.1 ipv4.gateway 192.168.122.1重(Zhong)新(Xin)启(Qi)动(Dong)连(Lian)接(Jie)以(Yi)启(Qi)用(Yong)新(Xin)选(Xuan)项(Xiang):$ sudo nmcli con down enp1s0$ sudo nmcli con up enp1s0添(Tian)加(Jia)新(Xin)的(De)连(Lian)接(Jie)配(Pei)置(Zhi)文(Wen)件(Jian):$ sudo nmcli connection add con-name enp7s0 ifname enp7s0 type ethernet ip4 192.168.64.88/24nmcli还(Huan)允(Yun)许(Xu)您(Nin)交(Jiao)互(Hu)式(Shi)地(Di)编(Bian)辑(Ji)连(Lian)接(Jie)配(Pei)置(Zhi)文(Wen)件(Jian)。此(Ci)界(Jie)面(Mian)通(Tong)过(Guo)Tab键(Jian)提(Ti)供(Gong)帮(Bang)助(Zhu)和(He)自(Zi)动(Dong)完(Wan)成(Cheng),引(Yin)导(Dao)您(Nin)完(Wan)成(Cheng)可(Ke)用(Yong)的(De)许(Xu)多(Duo)选(Xuan)项(Xiang)。使(Shi)用(Yong)nmcli connection edit CONNECTION-NAME激(Ji)活(Huo)编(Bian)辑(Ji)器(Qi):$ sudo nmcli connection edit enp7s0 ===| nmcli interactive connection editor |=== Editing existing '802-3-ethernet' connection: 'enp7s0'Type 'help' or '?' for available commands.Type 'print' to show all the connection properties.Type 'describe [.]' for detailed property description.您(Nin)可(Ke)以(Yi)使(Shi)用(Yong)set命(Ming)令(Ling)定(Ding)义(Yi)特(Te)定(Ding)的(De)参(Can)数(Shu)。使(Shi)用(Yong)Tab键(Jian)自(Zi)动(Dong)完(Wan)成(Cheng)以(Yi)查(Cha)看(Kan)所(Suo)有(You)可(Ke)用(Yong)选(Xuan)项(Xiang):nmcli> set ipv4. addresses dhcp-hostname dhcp-timeout dns-search may-fail routes dad-timeout dhcp-hostname-flags dns gateway method route-table dhcp-client-id dhcp-iaid dns-options ignore-auto-dns never-default routing-rules dhcp-fqdn dhcp-send-hostname dns-priority ignore-auto-routes route-metricnmcli> set ipv4.addresses 192.168.64.90/24然(Ran)后(Hou),您(Nin)可(Ke)以(Yi)打(Da)印(Yin)当(Dang)前(Qian)值(Zhi):nmcli> print ipv4.addressesipv4.addresses: 192.168.64.88/24, 192.168.64.90/24完(Wan)成(Cheng)更(Geng)改(Gai)后(Hou),将(Jiang)其(Qi)保(Bao)存(Cun)到(Dao)连(Lian)接(Jie)并(Bing)退(Tui)出(Chu)以(Yi)完(Wan)成(Cheng)操(Cao)作(Zuo):nmcli> saveConnection 'enp7s0' (94170029-5620-4f90-ad78-704b21480b1a) successfully updated.nmcli> quit最(Zui)后(Hou),重(Zhong)新(Xin)启(Qi)动(Dong)连(Lian)接(Jie)以(Yi)使(Shi)更(Geng)改(Gai)生(Sheng)效(Xiao)。Network Manager和(He)nmcli是(Shi)网(Wang)络(Luo)配(Pei)置(Zhi)的(De)完(Wan)整(Zheng)解(Jie)决(Jue)方(Fang)案(An)。如(Ru)果(Guo)您(Nin)以(Yi)前(Qian)从(Cong)未(Wei)使(Shi)用(Yong)过(Guo)它(Ta),请(Qing)从(Cong)一(Yi)些(Xie)基(Ji)本(Ben)命(Ming)令(Ling)开(Kai)始(Shi),逐(Zhu)渐(Jian)转(Zhuan)移(Yi)到(Dao)更(Geng)复(Fu)杂(Za)的(De)设(She)置(Zhi)。请(Qing)参(Can)阅(Yue)手(Shou)册(Ce)页(Ye)和(He)示(Shi)例(Li)以(Yi)执(Zhi)行(Xing)特(Te)定(Ding)任(Ren)务(Wu)。接(Jie)下(Xia)来(Lai),让(Rang)我(Wo)们(Men)回(Hui)顾(Gu)一(Yi)些(Xie)命(Ming)令(Ling),这(Zhe)些(Xie)命(Ming)令(Ling)可(Ke)以(Yi)帮(Bang)助(Zhu)您(Nin)进(Jin)行(Xing)网(Wang)络(Luo)故(Gu)障(Zhang)排(Pai)除(Chu),从(Cong)名(Ming)称(Cheng)解(Jie)析(Xi)开(Kai)始(Shi)。nslookup命(Ming)令(Ling)在(Zai)管(Guan)理(Li)连(Lian)通(Tong)性(Xing)问(Wen)题(Ti)时(Shi),DNS名(Ming)称(Cheng)解(Jie)析(Xi)经(Jing)常(Chang)是(Shi)头(Tou)痛(Tong)的(De)源(Yuan)头(Tou)。nslookup实(Shi)用(Yong)程(Cheng)序(Xu)可(Ke)帮(Bang)助(Zhu)您(Nin)检(Jian)查(Cha)和(He)排(Pai)除(Chu)DNS名(Ming)称(Cheng)解(Jie)析(Xi)问(Wen)题(Ti)。此(Ci)命(Ming)令(Ling)在(Zai)RHEL8和(He)Fedora系(Xi)统(Tong)上(Shang)通(Tong)过(Guo)bind-utils软(Ruan)件(Jian)包(Bao)提(Ti)供(Gong)。使(Shi)用(Yong)dnf安(An)装(Zhuang):$ sudo dnf install -y bind-utils要(Yao)快(Kuai)速(Su)检(Jian)查(Cha)特(Te)定(Ding)主(Zhu)机(Ji)的(De)名(Ming)称(Cheng)解(Jie)析(Xi),请(Qing)将(Jiang)主(Zhu)机(Ji)名(Ming)作(Zuo)为(Wei)参(Can)数(Shu)使(Shi)用(Yong)nslookup。该(Gai)命(Ming)令(Ling)使(Shi)用(Yong)名(Ming)称(Cheng)解(Jie)析(Xi)的(De)默(Mo)认(Ren)DNS配(Pei)置(Zhi):$ nslookup redhat.comServer: 192.168.122.1Address: 192.168.122.1#53Non-authoritative answer:Name: redhat.comAddress: 209.132.183.105如(Ru)果(Guo)名(Ming)称(Cheng)解(Jie)析(Xi)失(Shi)败(Bai),您(Nin)可(Ke)以(Yi)通(Tong)过(Guo)将(Jiang)其(Qi)地(Di)址(Zhi)作(Zuo)为(Wei)第(Di)三(San)个(Ge)参(Can)数(Shu)来(Lai)提(Ti)供(Gong)替(Ti)代(Dai)名(Ming)称(Cheng)服(Fu)务(Wu)器(Qi)以(Yi)进(Jin)行(Xing)解(Jie)析(Xi):$ nslookup redhat.com 192.168.0.9Server: 192.168.0.9Address: 192.168.0.9#53Non-authoritative answer:Name: redhat.comAddress: 209.132.183.105此(Ci)信(Xin)息(Xi)对(Dui)于(Yu)故(Gu)障(Zhang)排(Pai)除(Chu)非(Fei)常(Chang)有(You)用(Yong),因(Yin)为(Wei)它(Ta)有(You)助(Zhu)于(Yu)确(Que)定(Ding)问(Wen)题(Ti)是(Shi)由(You)特(Te)定(Ding)服(Fu)务(Wu)器(Qi)引(Yin)起(Qi)的(De)本(Ben)地(Di)问(Wen)题(Ti),还(Huan)是(Shi)更(Geng)广(Guang)泛(Fan)的(De)问(Wen)题(Ti)。您(Nin)还(Huan)可(Ke)以(Yi)使(Shi)用(Yong)它(Ta)通(Tong)过(Guo)提(Ti)供(Gong)IP地(Di)址(Zhi)而(Er)不(Bu)是(Shi)主(Zhu)机(Ji)名(Ming)来(Lai)运(Yun)行(Xing)反(Fan)向(Xiang)DNS查(Cha)询(Xun):$ nslookup 209.132.183.105105.183.132.209.in-addr.arpa name = redirect.redhat.com.nslookup实(Shi)用(Yong)程(Cheng)序(Xu)是(Shi)一(Yi)个(Ge)有(You)用(Yong)的(De)工(Gong)具(Ju),可(Ke)帮(Bang)助(Zhu)排(Pai)除(Chu)与(Yu)DNS名(Ming)称(Cheng)解(Jie)析(Xi)相(Xiang)关(Guan)的(De)网(Wang)络(Luo)问(Wen)题(Ti)。接(Jie)下(Xia)来(Lai),让(Rang)我(Wo)们(Men)看(Kan)一(Yi)下(Xia)故(Gu)障(Zhang)排(Pai)除(Chu)本(Ben)地(Di)网(Wang)络(Luo)套(Tao)接(Jie)字(Zi)。ss实(Shi)用(Yong)程(Cheng)序(Xu)在(Zai)排(Pai)除(Chu)网(Wang)络(Luo)连(Lian)接(Jie)问(Wen)题(Ti)时(Shi),另(Ling)一(Yi)个(Ge)常(Chang)见(Jian)任(Ren)务(Wu)是(Shi)确(Que)定(Ding)连(Lian)接(Jie)是(Shi)否(Fou)建(Jian)立(Li)或(Huo)特(Te)定(Ding)服(Fu)务(Wu)器(Qi)上(Shang)的(De)特(Te)定(Ding)服(Fu)务(Wu)是(Shi)否(Fou)可(Ke)用(Yong)。ss命(Ming)令(Ling)是(Shi)一(Yi)个(Ge)方(Fang)便(Bian)的(De)工(Gong)具(Ju),用(Yong)于(Yu)显(Xian)示(Shi)网(Wang)络(Luo)套(Tao)接(Jie)字(Zi)信(Xin)息(Xi)。它(Ta)是(Shi)netstat的(De)现(Xian)代(Dai)替(Ti)代(Dai)品(Pin),提(Ti)供(Gong)类(Lei)似(Si)的(De)功(Gong)能(Neng),但(Dan)包(Bao)括(Kuo)一(Yi)些(Xie)额(E)外(Wai)的(De)功(Gong)能(Neng)。使(Shi)用(Yong)不(Bu)带(Dai)选(Xuan)项(Xiang)的(De)ss来(Lai)查(Cha)看(Kan)所(Suo)有(You)已(Yi)建(Jian)立(Li)的(De)网(Wang)络(Luo)套(Tao)接(Jie)字(Zi)的(De)完(Wan)整(Zheng)列(Lie)表(Biao),包(Bao)括(Kuo)TCP、UDP和(He)UNIX套(Tao)接(Jie)字(Zi)类(Lei)型(Xing)。$ ssNetid State Recv-Q Send-Q Local Address:Port Peer Address:Portu_str ESTAB 0 0 * 25812 * 25811u_str ESTAB 0 0 /run/systemd/journal/stdout 23604 * 23603... TRUNCATED OUTPUTu_str ESTAB 0 0 * 22566 * 22171icmp6 UNCONN 0 0 *:ipv6-icmp *:*icmp6 UNCONN 0 0 *:ipv6-icmp *:*tcp ESTAB 0 0 192.168.122.169:ssh 192.168.122.1:45626由(You)于(Yu)默(Mo)认(Ren)命(Ming)令(Ling)显(Xian)示(Shi)所(Suo)有(You)已(Yi)建(Jian)立(Li)的(De)网(Wang)络(Luo)连(Lian)接(Jie),因(Yin)此(Ci)在(Zai)繁(Fan)忙(Mang)的(De)机(Ji)器(Qi)上(Shang),条(Tiao)目(Mu)可(Ke)能(Neng)会(Hui)很(Hen)多(Duo),超(Chao)过(Guo)一(Yi)千(Qian)个(Ge)。为(Wei)了(Liao)帮(Bang)助(Zhu)您(Nin)进(Jin)行(Xing)故(Gu)障(Zhang)排(Pai)除(Chu),ss提(Ti)供(Gong)了(Liao)几(Ji)个(Ge)过(Guo)滤(Lv)选(Xuan)项(Xiang)。您(Nin)可(Ke)以(Yi)使(Shi)用(Yong)以(Yi)下(Xia)命(Ming)令(Ling)行(Xing)参(Can)数(Shu)显(Xian)示(Shi)特(Te)定(Ding)套(Tao)接(Jie)字(Zi)类(Lei)型(Xing)的(De)套(Tao)接(Jie)字(Zi)信(Xin)息(Xi):-t表(Biao)示(Shi)TCP,-u表(Biao)示(Shi)UDP,-x表(Biao)示(Shi)UNIX。例(Li)如(Ru),使(Shi)用(Yong)ss -t显(Xian)示(Shi)TCP套(Tao)接(Jie)字(Zi)信(Xin)息(Xi):$ ss -tState Recv-Q Send-Q Local Address:Port Peer Address:PortESTAB 0 0 192.168.122.169:ssh 192.168.122.1:45626您(Nin)还(Huan)可(Ke)以(Yi)通(Tong)过(Guo)源(Yuan)或(Huo)目(Mu)标(Biao)主(Zhu)机(Ji)名(Ming)或(Huo)IP地(Di)址(Zhi)过(Guo)滤(Lv)列(Lie)表(Biao)。例(Li)如(Ru),这(Zhe)里(Li)是(Shi)一(Yi)个(Ge)针(Zhen)对(Dui)目(Mu)标(Biao)IP地(Di)址(Zhi)192.168.122.1的(De)已(Yi)建(Jian)立(Li)连(Lian)接(Jie)列(Lie)表(Biao):$ ss dst 192.168.122.1Netid State Recv-Q Send-Q Local Address:Port Peer Address:Porttcp ESTAB 0 0 192.168.122.169:ssh 192.168.122.1:45626这(Zhe)些(Xie)命(Ming)令(Ling)通(Tong)常(Chang)用(Yong)于(Yu)排(Pai)除(Chu)网(Wang)络(Luo)连(Lian)接(Jie)问(Wen)题(Ti),无(Wu)论(Lun)是(Shi)通(Tong)用(Yong)的(De)还(Huan)是(Shi)特(Te)定(Ding)主(Zhu)机(Ji)之(Zhi)间(Jian)的(De)问(Wen)题(Ti)。 ss的(De)另(Ling)一(Yi)个(Ge)实(Shi)用(Yong)应(Ying)用(Yong)是(Shi)验(Yan)证(Zheng)网(Wang)络(Luo)服(Fu)务(Wu)是(Shi)否(Fou)在(Zai)本(Ben)地(Di)机(Ji)器(Qi)上(Shang)以(Yi)正(Zheng)确(Que)的(De)地(Di)址(Zhi)和(He)端(Duan)口(Kou)侦(Zhen)听(Ting)。要(Yao)验(Yan)证(Zheng)侦(Zhen)听(Ting)套(Tao)接(Jie)字(Zi),请(Qing)使(Shi)用(Yong)选(Xuan)项(Xiang)-l:$ ss -lNetid State Recv-Q Send-Q Local Address:Port Peer Address:Portnl UNCONN 0 0 rtnl:NetworkManager/909 *nl UNCONN 0 0 rtnl:systemd-resolve/1122 *... TRUNCATED OUTPUTudp UNCONN 0 0 0.0.0.0:hostmon 0.0.0.0:*udp UNCONN 0 0 127.0.0.53%lo:domain 0.0.0.0:udp UNCONN 0 0 127.0.0.1:323 0.0.0.0:*udp UNCONN 0 0 [::]:hostmon [::]:*udp UNCONN 0 0 [::1]:323 [::]:*tcp LISTEN 0 128 0.0.0.0:ssh 0.0.0.0:*tcp LISTEN 0 128 0.0.0.0:hostmon 0.0.0.0:*tcp LISTEN 0 128 [::]:ssh [::]:*tcp LISTEN 0 128 [::]:hostmon [::]:*您(Nin)可(Ke)以(Yi)使(Shi)用(Yong)上(Shang)面(Mian)描(Miao)述(Shu)的(De)相(Xiang)同(Tong)过(Guo)滤(Lv)选(Xuan)项(Xiang)来(Lai)过(Guo)滤(Lv)特(Te)定(Ding)的(De)套(Tao)接(Jie)字(Zi)类(Lei)型(Xing)。例(Li)如(Ru),要(Yao)列(Lie)出(Chu)所(Suo)有(You)正(Zheng)在(Zai)侦(Zhen)听(Ting)的(De)TCP套(Tao)接(Jie)字(Zi),请(Qing)输(Shu)入(Ru):$ ss -ltState Recv-Q Send-Q Local Address:Port Peer Address:PortLISTEN 0 128 0.0.0.0:ssh 0.0.0.0:*LISTEN 0 128 0.0.0.0:hostmon 0.0.0.0:LISTEN 0 128 [::]:ssh [::]:LISTEN 0 128 [::]:hostmon [::]:而(Er)不(Bu)是(Shi)显(Xian)示(Shi)服(Fu)务(Wu)名(Ming)称(Cheng)(如(Ru)ssh或(Huo)hostmon),ss可(Ke)以(Yi)通(Tong)过(Guo)使(Shi)用(Yong)-n选(Xuan)项(Xiang)来(Lai)显(Xian)示(Shi)端(Duan)口(Kou)号(Hao):$ ss -ltnState Recv-Q Send-Q Local Address:Port Peer Address:PortLISTEN 0 128 0.0.0.0:22 0.0.0.0:LISTEN 0 128 0.0.0.0:5355 0.0.0.0:LISTEN 0 128 [::]:22 [::]:LISTEN 0 128 [::]:5355 [::]:最(Zui)后(Hou),另(Ling)一(Yi)个(Ge)有(You)用(Yong)的(De)选(Xuan)项(Xiang)是(Shi)-p,用(Yong)于(Yu)显(Xian)示(Shi)与(Yu)进(Jin)程(Cheng)相(Xiang)关(Guan)的(De)信(Xin)息(Xi),例(Li)如(Ru)用(Yong)户(Hu)名(Ming)和(He)进(Jin)程(Cheng)ID(PID)。某(Mou)些(Xie)服(Fu)务(Wu)可(Ke)能(Neng)需(Xu)要(Yao)通(Tong)过(Guo)sudo或(Huo)作(Zuo)为(Wei)root获(Huo)得(De)提(Ti)升(Sheng)的(De)权(Quan)限(Xian)来(Lai)列(Lie)出(Chu)进(Jin)程(Cheng)信(Xin)息(Xi):$ sudo ss -tnlpState Recv-Q Send-Q Local Address:Port Peer Address:PortLISTEN 0 128 0.0.0.0:22 0.0.0.0:* users:(("sshd",pid=919,fd=5))LISTEN 0 128 0.0.0.0:5355 0.0.0.0:* users:(("systemd-resolve",pid=1122,fd=13))LISTEN 0 128 [::]:22 [::]:* users:(("sshd",pid=919,fd=7))LISTEN 0 128 [::]:5355 [::]:* users:(("systemd-resolve",pid=1122,fd=15))ss工(Gong)具(Ju)是(Shi)系(Xi)统(Tong)管(Guan)理(Li)员(Yuan)工(Gong)具(Ju)箱(Xiang)中(Zhong)用(Yong)于(Yu)网(Wang)络(Luo)故(Gu)障(Zhang)排(Pai)除(Chu)任(Ren)务(Wu)的(De)基(Ji)本(Ben)命(Ming)令(Ling)。接(Jie)下(Xia)来(Lai),让(Rang)我(Wo)们(Men)看(Kan)一(Yi)下(Xia)tracepath,以(Yi)跟(Gen)踪(Zong)主(Zhu)机(Ji)之(Zhi)间(Jian)的(De)网(Wang)络(Luo)连(Lian)接(Jie)。tracepath命(Ming)令(Ling)是(Shi)一(Yi)种(Zhong)网(Wang)络(Luo)故(Gu)障(Zhang)排(Pai)除(Chu)工(Gong)具(Ju)它(Ta)显(Xian)示(Shi)本(Ben)地(Di)主(Zhu)机(Ji)和(He)远(Yuan)程(Cheng)主(Zhu)机(Ji)之(Zhi)间(Jian)的(De)网(Wang)络(Luo)连(Lian)接(Jie)路(Lu)径(Jing),标(Biao)识(Shi)用(Yong)于(Yu)路(Lu)由(You)流(Liu)量(Liang)的(De)所(Suo)有(You)路(Lu)由(You)器(Qi)。如(Ru)果(Guo)您(Nin)无(Wu)法(Fa)连(Lian)接(Jie)到(Dao)远(Yuan)程(Cheng)主(Zhu)机(Ji)上(Shang)的(De)网(Wang)络(Luo)服(Fu)务(Wu),tracepath将(Jiang)帮(Bang)助(Zhu)您(Nin)确(Que)定(Ding)问(Wen)题(Ti)所(Suo)在(Zai)。tracepath是(Shi)traceroute的(De)替(Ti)代(Dai)品(Pin),提(Ti)供(Gong)类(Lei)似(Si)的(De)功(Gong)能(Neng)。主(Zhu)要(Yao)区(Qu)别(Bie)在(Zai)于(Yu),tracepath使(Shi)用(Yong)随(Sui)机(Ji)UDP端(Duan)口(Kou)而(Er)不(Bu)是(Shi)ICMP协(Xie)议(Yi)进(Jin)行(Xing)跟(Gen)踪(Zong),因(Yin)此(Ci)不(Bu)需(Xu)要(Yao)提(Ti)升(Sheng)的(De)特(Te)权(Quan)来(Lai)运(Yun)行(Xing)。对(Dui)于(Yu)基(Ji)本(Ben)用(Yong)法(Fa),请(Qing)提(Ti)供(Gong)目(Mu)标(Biao)主(Zhu)机(Ji)的(De)主(Zhu)机(Ji)名(Ming)或(Huo)IP地(Di)址(Zhi)。您(Nin)还(Huan)可(Ke)以(Yi)提(Ti)供(Gong)选(Xuan)项(Xiang)-n以(Yi)显(Xian)示(Shi)路(Lu)由(You)器(Qi)的(De)IP地(Di)址(Zhi),而(Er)不(Bu)是(Shi)它(Ta)们(Men)的(De)名(Ming)称(Cheng):$ tracepath -n sat65server1?: [LOCALHOST] pmtu 15001: 192.168.122.1 0.415ms1: 192.168.122.1 0.299ms2: 192.168.10.10 0.904ms3: 192.168.88.1 1.127ms4: 192.168.0.95 2.020msResume: pmtu 1500如(Ru)果(Guo)tracepath无(Wu)法(Fa)连(Lian)接(Jie)到(Dao)网(Wang)络(Luo)跳(Tiao)跃(Yue),它(Ta)将(Jiang)显(Xian)示(Shi)无(Wu)回(Hui)复(Fu)。默(Mo)认(Ren)情(Qing)况(Kuang)下(Xia),它(Ta)尝(Chang)试(Shi)的(De)最(Zui)大(Da)跳(Tiao)数(Shu)为(Wei)30,这(Zhe)通(Tong)常(Chang)足(Zu)够(Gou)。您(Nin)可(Ke)以(Yi)使(Shi)用(Yong)选(Xuan)项(Xiang)-m更(Geng)改(Gai)跳(Tiao)数(Shu)。假(Jia)设(She)在(Zai)特(Te)定(Ding)跳(Tiao)跃(Yue)后(Hou)未(Wei)收(Shou)到(Dao)任(Ren)何(He)回(Hui)复(Fu)。这(Zhe)是(Shi)一(Yi)个(Ge)很(Hen)好(Hao)的(De)指(Zhi)示(Shi)器(Qi),可(Ke)以(Yi)帮(Bang)助(Zhu)您(Nin)进(Jin)行(Xing)故(Gu)障(Zhang)排(Pai)除(Chu)。tracepath信(Xin)息(Xi)并(Bing)不(Bu)是(Shi)确(Que)定(Ding)性(Xing)的(De),因(Yin)为(Wei)流(Liu)量(Liang)可(Ke)能(Neng)出(Chu)于(Yu)多(Duo)种(Zhong)原(Yuan)因(Yin)而(Er)被(Bei)阻(Zu)止(Zhi)。但(Dan)是(Shi),它(Ta)可(Ke)以(Yi)帮(Bang)助(Zhu)您(Nin)缩(Suo)小(Xiao)问(Wen)题(Ti)范(Fan)围(Wei)并(Bing)集(Ji)中(Zhong)解(Jie)决(Jue)问(Wen)题(Ti)的(De)努(Nu)力(Li)。由(You)于(Yu)安(An)全(Quan)原(Yuan)因(Yin),Internet上(Shang)的(De)许(Xu)多(Duo)路(Lu)由(You)器(Qi)都(Du)会(Hui)阻(Zu)止(Zhi)流(Liu)量(Liang),因(Yin)此(Ci)tracepath可(Ke)能(Neng)无(Wu)法(Fa)用(Yong)于(Yu)跟(Gen)踪(Zong)与(Yu)Internet服(Fu)务(Wu)的(De)连(Lian)接(Jie)性(Xing)。但(Dan)它(Ta)仍(Reng)然(Ran)对(Dui)本(Ben)地(Di)网(Wang)络(Luo)故(Gu)障(Zhang)排(Pai)除(Chu)非(Fei)常(Chang)有(You)用(Yong)。

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