How to setup Logwatch on Ubuntu Server

Logwatch is a modular log analyser that runs every night and mails you the results. It can also be run from command line.The output is by service and you can limit the output to one particular service. The subscripts which are responsible for the output, mostly convert the raw log lines in structured format.
Logwatch generally ignores the time component in the output, that means, you will know that the reported event was logged in the requested range of time, but you will have to go to the raw log files to get the exact details.

Install logwatch using the following comamnd

sudo apt-get install logwatch

This will install all the required packages

Configuring Logwatch

First you need to make sure you server is able to send the mails outside you can do this using postfix with SMTP server configuration

Now you need to edit logwatch.conf file

sudo nano /usr/share/logwatch/default.conf/logwatch.conf

Change the following information

Output = mail
Format = html
MailTo = [email protected]

Save and exit the file

If you want to know more available options check logcheck manpage using the following command from your terminal

man logcheck

Now edit the 00logwatch file

sudo nano /etc/cron.daily/00logwatch

add the following line

/usr/sbin/logwatch –mailto [email protected]

Save and exit the file

This tool is very useful give it a try

Refer :

Config Ref

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