[root@test ~]# ifconfig
-bash: ifconfig: command not found
[root@test ~]# netstat
-bash: netstat: command not foundActually, their functions have been replaced by command ip which is packaged in iproute since enterprise linux 7.
[root@test ~]# rpm -qa | grep iproute
iproute-3.10.0-21.el7.x86_64
[root@test ~]# yum info iproute
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: ftp.ksu.edu.tw
* extras: ftp.ksu.edu.tw
* updates: ftp.ksu.edu.tw
Installed Packages
Name : iproute
Arch : x86_64
Version : 3.10.0
Release : 21.el7
Size : 1.2 M
Repo : installed
From repo : anaconda
Summary : Advanced IP routing and network device configuration tools
URL : http://kernel.org/pub/linux/utils/net/iproute2/
License : GPLv2+ and Public Domain
Description : The iproute package contains networking utilities (ip and rtmon,
: for example) which are designed to use the advanced networking
: capabilities of the Linux 2.4.x and 2.6.x kernel.If you insist to use ifconfig, you have to install a package named net-tools to get the command. Let's see what we can have in this package.
[root@test ~]# yum info net-tools
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: ftp.ksu.edu.tw
* extras: ftp.ksu.edu.tw
* updates: ftp.ksu.edu.tw
Available Packages
Name : net-tools
Arch : x86_64
Version : 2.0
Release : 0.17.20131004git.el7
Size : 304 k
Repo : base/7/x86_64
Summary : Basic networking tools
URL : http://sourceforge.net/projects/net-tools/
License : GPLv2+
Description : The net-tools package contains basic networking tools,
: including ifconfig, netstat, route, and others.
: Most of them are obsolete. For replacement check iproute package.Wow, we can have ifconfig, netstat and route command. It may be a good practice to install it.
[root@test ~]# yum -y install net-tools
Loaded plugins: fastestmirror
Loading mirror speeds from cached hostfile
* base: ftp.ksu.edu.tw
* extras: ftp.ksu.edu.tw
* updates: ftp.ksu.edu.tw
Resolving Dependencies
--> Running transaction check
---> Package net-tools.x86_64 0:2.0-0.17.20131004git.el7 will be installed
--> Finished Dependency Resolution
Dependencies Resolved
================================================================================
Package Arch Version Repository Size
================================================================================
Installing:
net-tools x86_64 2.0-0.17.20131004git.el7 base 304 k
Transaction Summary
================================================================================
Install 1 Package
Total download size: 304 k
Installed size: 917 k
Downloading packages:
warning: /var/cache/yum/x86_64/7/base/packages/net-tools-2.0-0.17.20131004git.el7.x86_64.rpm: Header V3 RSA/SHA256 Signature, key ID f4a80eb5: NOKEY
Public key for net-tools-2.0-0.17.20131004git.el7.x86_64.rpm is not installed
net-tools-2.0-0.17.20131004git.el7.x86_64.rpm | 304 kB 00:03
Retrieving key from file:///etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Importing GPG key 0xF4A80EB5:
Userid : "CentOS-7 Key (CentOS 7 Official Signing Key) <[email protected]>"
Fingerprint: 6341 ab27 53d7 8a78 a7c2 7bb1 24c6 a8a7 f4a8 0eb5
Package : centos-release-7-1.1503.el7.centos.2.8.x86_64 (@anaconda)
From : /etc/pki/rpm-gpg/RPM-GPG-KEY-CentOS-7
Running transaction check
Running transaction test
Transaction test succeeded
Running transaction
Installing : net-tools-2.0-0.17.20131004git.el7.x86_64 1/1
Verifying : net-tools-2.0-0.17.20131004git.el7.x86_64 1/1
Installed:
net-tools.x86_64 0:2.0-0.17.20131004git.el7
Complete!Let's test the command.
[root@test ~]# ifconfig eth0
eth0: flags=4163<UP,BROADCAST,RUNNING,MULTICAST> mtu 1500
...