How To Install & Configure LNAV in CentOS 7

How to install and configure Inav in CentOS 7 to gain access to the logs and manage each event in detail.

What is Lnav?

Lnav is a simple application through which we will have access to the CentOS logs, located in the path /var/log, and from there as administrators to make a detailed follow-up of each event that occurred in CentOS 7

Install Lnav in CentOS 7

To install Lnav in CentOS 7, we execute the following command for the installation of these repositories first:

yum install epel-release

Then we install Lnav executing the following command:

yum install lnav

How To Run Lnav on CentOS 7

Just execute the command lnav directly from the terminal, and automatically we will see the events hosted in the path var/log/messages:

With this command, a filter has been applied to visualize the logs of the path/var/log. We can indicate a specific directory, for example:

lnav /var/log/cups

If it is necessary to search for old files since only the most recent ones will be displayed, we can add the -r parameter to deploy the old files:

lnav -r

With this simple command, we can manage the CentOS 7 logs in a much more complete way.