Friday, September 2, 2011

Multitail - For viewing multiple logs simultaneoulsy

Tail is a command in unix like systems for viewing log files. We can view only one log at a time , for viewing multiple log files we can use multitail.

1.Installation

yum install multitail (For Redhat , Centos )

apt-get install multitail (Ubuntu ,Debian )

2.Usage

multitail -f /var/log/httpd/error_log /var/log/httpd/access_log

3.Also you can run a command and watch its output

multitail -f /var/log/iptable.log "ping server.com"

4.You can see 3 files in 2 columns

multitail -s 2 /var/log/qmail_pop.log /var/log/qmail_send.log /var/log/spamassassin.log 

Enjoy !!!