Ifconfig and chkconfig cannot be run directly.

Ifconfig and chkconfig cannot be directly run. For details, refer to Linux general technology-Linux technology and application information. Solution to the problem that ifconfig cannot run directly:

Method 1: Run ifconfig in the/sbin/ifconfig directory.
Method 2: establish the link ln-s/sbin/ifconfig/usr/sbin/ifconfig.
Method 3: add it to the path environment variable.

Solution to chkconfig failure:

Method 1: the absolute path/sbin/chkconfig is required.
Method 2: Add sbin to path.

How to set the Path of the environment variable in Linux

There are two ways to set the PATH environment variable. The first option is to set the PATH for a single user, and the second option is to set the PATH for the global user.

# Env $ PATH
Display the current value of PATH

1. There is a. bashrc file in the user's main directory. You can add the PATH settings in this file as follows:

Export PATH = "$ PATH:/your path1/:/your path2 /....."

Note: Each path must be separated.

Log out and restart X.

2. Add it to/etc/profile.

PATH = "$ PATH:/home/zhengb66/bin"

Export PATH

To make the timing take effect, use the source command

Source. bashrc
Source profile

Complete.