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Linux IP Path: A Easy Way to Learn How to Manage Networks and Routing

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Linux is a popular operating system among network administrators because of its flexibility and user-friendly features. One of the key tasks in managing a network in Linux is managing the routing table. The routing table is the table used by Linux to determine how packets should be sent from one network to another. This article ms to provide an overview of Linux IP path and how it can be used to manage networks and routes.
What is Linux IP Path?
Linux IP path is a command-line tool used for configuring and managing network interfaces, IP addresses, and routing tables. It is a part of the iproute2 package, which is installed by default on most Linux distributions. The iproute2 package contns many other tools, but the ip command is the most commonly used command for network configuration.
The ip command is used for many networking tasks, such as configuring IP addresses, setting up tunnels, creating VLANs, and managing routing tables. The ip command replaces the older route and ifconfig commands that were used for these tasks in older versions of Linux.
How to use the ip command
To manage your network with the ip command, you need to open a terminal window and type in the command followed by the necessary parameters. Here are some of the most common parameters used with the ip command:
ip address
This command is used to display or configure IP addresses for network interfaces. For example, to display the IP addresses of all network interfaces, you can type:
$ ip address show
To configure the IP address for a specific interface, you can use the following command:
$ ip address add IPADDRESS/MASK dev INTERFACENAME
Where IPADDRESS/MASK is the IP address and network mask you want to assign to the interface, and INTERFACENAME is the name of the interface.
ip link
This command is used to display or configure network interfaces. Here are some examples of how to use it:
$ ip link show
This command displays a list of all network interfaces on your system.
$ ip link set INTERFACENAME up
This command activates an interface. If you replace “up” with “down”, it deactivates the interface.
ip route
This command is used to display or configure the routing table. The routing table is a list of IP addresses and network interfaces that determine how packets should be sent from one network to another. Here are some examples of how to use the ip route command:
$ ip route show
This command displays the current routing table.
$ ip route add DESTINATION via GATEWAY
This command adds a new route to the table. DESTINATION is the IP address of the destination network, and GATEWAY is the IP address of the next hop router.
Conclusion
In conclusion, managing networks and routes on Linux using the ip command can be a very efficient and effective way to manage your network. The ip command is easy to use, flexible, and provides a lot of information about your network. By mastering Linux IP path, you can have better control of your network, troubleshoot problems, and improve your overall network performance. With Linux IP path, you can easily learn how to manage your network and routing tables with ease.
相關(guān)問題拓展閱讀:
- Linux系統(tǒng)關(guān)于IP地址信息的配置文件的是什么,請寫出路徑名和文件名?
- Linux如何配置ip地址
- linux 系統(tǒng)中怎么查找ip地址?
Linux系統(tǒng)關(guān)于IP地址信息的配置文件的是什么,請寫出路徑名和文件名?
不同的碼肆脊發(fā)行版不一樣
RedHat,CentOS 在/etc/sysconfig/雹升network-scripts/ifcfg-*
ubuntu:/etc/network/interfaces
opensuse:遲滲/etc/sysconfig/network
vi /etc/sysconfig/network-scripts/ifcfg-eth0
Linux如何配置ip地址
1、打開Linux終端系統(tǒng),然后在系統(tǒng)中輸入如下代碼。
2、然后開始填寫ip地址、子網(wǎng)掩碼、網(wǎng)關(guān)等命令代碼,如圖所示。
3、在終端填寫完之后,進(jìn)行保存然后退出。
4、接著把網(wǎng)絡(luò)服務(wù)進(jìn)行重櫻轎源啟,紅框代帆州碼是進(jìn)行重啟的代碼。
5、然后進(jìn)行ping網(wǎng)關(guān)操作,進(jìn)行外網(wǎng)進(jìn)行測脊態(tài)試,通過正常即可。
1、命令行使罩配用vi編輯器打開網(wǎng)卡配置文件ifcfg-eth0:
vi /etc/sysconfig/network-scripts/ifcfg-eth0
2、開始編輯,填寫ip地址、子網(wǎng)掩碼、網(wǎng)關(guān)、DNS等。其中“孫哪紅框內(nèi)的信息”是必須得有的。
3、編輯完后,保存退出。
4、重啟網(wǎng)絡(luò)服則悶碼務(wù)。service network restart或/etc/init.d/network restart
5、ping網(wǎng)關(guān),ping外網(wǎng)進(jìn)行測試。都能ping通表示網(wǎng)絡(luò)正常。
首先你得知道幾個命令:
ifconfig 查看網(wǎng)卡信息的命令(網(wǎng)卡以eth0~ethN命名,看你網(wǎng)卡用的是哪個)。另外,它只在root用戶下可能,一般普通用戶不能用。
route -n 查看路由的命令。
cat /etc/resolv.conf 查看DNS,配置DNS可在這個文件配置
命令行里有三種修改IP方法,其中一種是臨時的,重啟后就沒有了,在此不提了。只說兩種永久生效的:
1,在命令行里,通過命令調(diào)出圖形界面配置,比較直觀,容易配置:
命令
setup
彈出圖形界面,選擇network configuration —-> 回車—–>兩個選項(xiàng),第宴猜知一個是網(wǎng)卡,第二個DNS,在此不多講了。寫太多了,最主要是很直觀。
最后配置完了后,點(diǎn)TAB鍵或者上下左右鍵 選:OK—->save—>save&quit—>quit
2,命令行編寫配置文件來實(shí)現(xiàn),一般你的網(wǎng)卡是eth0.
# vi /etc/sysconfig/network-scripts/ifcfg-eth0
DEVICE=eth0 #描述網(wǎng)卡對應(yīng)的設(shè)備別名,例如ifcfg-eth0的文件中它為eth0
BOOTPROTO=static #設(shè)置網(wǎng)卡獲得ip地址的方式,可能的選項(xiàng)為static,dhcp或bootp,分別對應(yīng)靜態(tài)指定晌消的 ip地址,通過dhcp協(xié)兆激議獲得的ip地址,通過bootp協(xié)議獲得的ip地址
(1)Ifconfig命令
之一種使用ifconfig命令配置網(wǎng)卡的ip地址。此命令通常用來零時的測試用,計(jì)算機(jī)啟動后
ip地址的配置將自動失效。具體用法如下。Ipconfig ethx ipadd netmask x.x.x.x。
其中ethx中的x代表第幾快以太網(wǎng)卡,默認(rèn)之一塊為0.ipadd代表ip地址。x.x.x..x為子網(wǎng)掩碼。例如給網(wǎng)卡eth0配置的ip地址為192.168.1.1 子網(wǎng)掩碼為 255.255.255.0 。如下下圖所
注意(此方法配置的ip地址后計(jì)算機(jī)從新啟動將會失效)
(2)neat命令
Neat命令=redhat-config-network圖形下配置ip地址
雙擊圖下畫紅線的部分
雙畝森擊劃線部分后出現(xiàn)下圖所示:根據(jù)要求配置相關(guān)信息慎配
雙擊ok配置完畢。配置完后重啟服務(wù),并查看配置ip地址。
注意(此方法配置的ip地址后計(jì)算機(jī)從新啟動仍然有效)
(3)netconfig命令
輸入netconfig后將會出現(xiàn)下圖所示,單擊yes按鈕。
進(jìn)行相關(guān)配置后ok退出。
注意(此方法配置的ip地址后計(jì)算機(jī)從新啟動仍然有效)
(4)vi /etc/sysconfig/network-scripts/ifcfg-ethx
配置完以后重啟動服務(wù).,p地址就配置好了。其實(shí)迅孝畝前面3個的配置方法最終還是改變了/etc/sysconfig/network-scripts/ifcfg-ethx下的配置文件罷了。
linux 系統(tǒng)中怎么查找ip地址?
如果直接找不到,就用/in/ifconfig 追問: 用putty.exe 怎么在主機(jī)上登錄虛擬機(jī)? 直接輸入虛擬機(jī)上的ip 怎么不行?要怎么改? 回答: 用putty.exe登錄需要設(shè)置主機(jī)地址和端口,要選擇好登錄協(xié)議和會話名稱保存就可以遠(yuǎn)程登錄的 追問: 我用了 ssh協(xié)議, 端口號是22 , 但是沒有成功。求解 回答: Connection refused 的意思是連接被拒絕。
可能是防火墻阻止了,把防火墻關(guān)閉試一下就知道了。在命令行里以root身份在終端中運(yùn)行
iptables -F #此命令用來關(guān)閉linux自帶的iptables防火墻
關(guān)閉防搭燃火墻后,看是否能登陸linux,如果可以那么就是防火墻的設(shè)置問題,網(wǎng)上有很多iptables的教程,要學(xué)掘睜習(xí)linux,建議還是好好學(xué)學(xué)iptables,沒有壞處,如果這樣還是不能登陸,請先檢查你的虛擬機(jī)是否采用了除host only方式以外的網(wǎng)絡(luò)連接方式,如果是,請改成host only,然后將你的虛擬機(jī)中的linux的ip地址和宿主機(jī)的地址改知散虛在一個網(wǎng)段后,再試試。 修改IP文件內(nèi)容如下:
\device=eth0
hwaddr=00:0c:29:a2:8c:b2onboot=yestype=ethernet
netmask=255.255.255.0
ipaddr=192.168.1.11 -> 修改為 192.168.1.12
linux ip路徑的介紹就聊到這里吧,感謝你花時間閱讀本站內(nèi)容,更多關(guān)于linux ip路徑,Linux IP路徑:輕松學(xué)習(xí)如何管理網(wǎng)絡(luò)和路由,Linux系統(tǒng)關(guān)于IP地址信息的配置文件的是什么,請寫出路徑名和文件名?,Linux如何配置ip地址,linux 系統(tǒng)中怎么查找ip地址?的信息別忘了在本站進(jìn)行查找喔。
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當(dāng)前標(biāo)題:LinuxIP路徑:輕松學(xué)習(xí)如何管理網(wǎng)絡(luò)和路由(linuxip路徑)
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