Install logwatch Centos 6

Logwatch is a wonderfull Linux tool that informs us (by email if you like) to what happened to a server during the previous day (configurable).

EDIT: I’ve just tried with CentOS 6.3 minimal install, with the default mirrors configured and logwatch (yum install logwatch) installed just perfectly.

In CentOS 6, there’s a problem installing it (at least in all my servers with CentOS 6 i had it) because of perl-Date-Manip, with the error:

http://mirrors.nfsi.pt/CentOS/6.2/os/i386/Packages/perl-Date-Manip-6.24-1.el6.noarch.rpm: [Errno -1] Package does not match intended download.

I guess it’s because of the version…

The solution: Get perl-Date-Manip-5.54-4.el6.noarch.rpm from the internet (ie rpm.pbone.net) and before installing it, install all it’s dependencies.

NOTE: This version is i686. For x86_64 just replace the arch.

Go to http://rpm.pbone.net/index.php3/stat/4/idpl/17455805/dir/centos_6/com/perl-Date-Manip-5.54-4.el6.noarch.rpm.html and download it.

Edit (new package): http://rpm.pbone.net/index.php3/stat/4/idpl/17468903/dir/centos_6/com/perl-Date-Manip-6.24-1.el6.noarch.rpm.html

Before installing, install all it’s dependencies:

yum install mailx perl perl-Module-Pluggable perl-Pod-Escapes perl-Pod-Simple perl-YAML-Syck perl-libs perl-version

And then, install perl-Date-Manip that we have downloaded before:

rpm -ivh perl-Date-Manip-5.54-4.el6.noarch.rpm

and next, we can install logwatch:

yum install logwatch

This way, logwatch is installed

2012/07/03

If you want to have logwatch mailed to you, you need to install sendmail (or postfix). According to logwatch.conf, only sendmail (and mailers that support output stream) can be used

From logwatch.conf:

# By default we assume that all Unix systems have sendmail or a sendmail-like system. # The mailer code Prints a header with To: From: and Subject:. # At this point you can change the mailer to any thing else that can handle that output # stream. TODO test variables in the mailer string to see if the To/From/Subject can be set # From here with out breaking anything. This would allow mail/mailx/nail etc….. -mgt

Installing sendmail

yum install sendmail

Configuring the email address

Now, we have two choices – or we just put our email address in logwatch configuration file – or we put it in /etc/aliases, thus receiving all email to root from the system. The latter is better, since we catch all email from our system.

Editing aliases

vi /etc/aliases

Go to line 96, uncomment the line (remove the ‘#’) and change the name to your email address:

# Person who should get root’s mail
root: youremail@yourdomain.com

Save and run:

newaliases

Start sendmail

/etc/init.d/sendmail start

and you can see how things are going by watching /var/log/maillog

tail -f /var/log/maillog

 Note: If you get an error because of Perl-Date-Manip and the timezone, that’s a problem and i couldn’t find a solution.

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