How to solve the problem that the software package does not exist when installing software in Linux

When the software package does not exist, it may be that the software source of the installed software is not installed. I used Cent OS. When I installed w3m, this problem occurred. The solution is: first install the software source (epel-release), then update the system package, and finally perform the software installation operation, and it will be successful.

Take the installation of w3m as an example:

1. Install w3m software source: epel-release

yum install epel-release

//If you are not a system administrator, you need to add the sudo command in front, because the installation requires administrator privileges

2. After successful installation, update the system package

(If you are not a system administrator, you need to add the sudo command in front, because the installation requires administrator privileges)

yum -y update

3. Install w3m again

(//If you are not a system administrator, you need to add the sudo command in front, because the installation requires administrator privileges)

yum install w3m

Installation successful!

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