info.sh

# Run following command:
curl https://gist.githubusercontent.com/mikepenz/a8a4a52f67a391895a4c/raw/22db5a0c3b009442a9ff8fd454e08f429d706c8c/multitail.sh | sh; source ~/.bashrc
# This will start the script multitail.sh and call source ~/.bashrc afterwards

#try to run
#logt (log-tomcat) output normal /usr/local/tomcat/logs/catalina.out or /var/www/tomcat/logs/catalina.out
logt
#logt (log-tomcat) output overwrite tomcat or logfile /usr/local/$1/logs/$2 or /var/www/$1/logs/$2
logt $1 $2

#log (normal log) and output logfile $1 (... $9)
log $1 (... $9)
#or output predefined logs
log tom, log tomdev, log tomtest

#How-To-MultiTail
q - will quit all windows etc.
b - use to see the buffer (default up to 1000 lines back in history :D)
shift + / - to search (in the 1000 lines)
h - minimal help :D

#manpage
http://linux.die.net/man/1/multitail

multitail.sh

#!/bin/sh


echo "############################################################"
echo "############################################################"
echo "apt-get update"
echo "############################################################"
echo "############################################################"

apt-get update  # To get the latest package lists

echo "############################################################"
echo "############################################################"
echo "install multitail"
echo "############################################################"
echo "############################################################"

apt-get install multitail -y

echo "############################################################"
echo "############################################################"
echo "############################################################"
echo "############################################################"
echo "create multitail configuration"

multitailconfig='#Possible colors: red, green, yellow, blue, magenta, cyan and white.

# Pick default screen
defaultcscheme:log

# Default colorscheme for tomcat logs
colorscheme:log
cs_re:green:.*INFO.*
cs_re:yellow:.*WARN.*
cs_re:magenta:.*SEVERE.*
cs_re:red:.*FATAL.*
cs_re:red:.*ERROR.*
cs_re:blue:.*DEBUG.*

# /var/log/messages & .../syslog
colorscheme:syslog
cs_re:red:.*kernel.*
cs_re:magenta:.*sshd.*
cs_re:red:.*iptables.*
cs_re:red:.*sensorsd.*
cs_re:yellow:.*nagios.*
cs_re:yellow:.*null.*
cs_re:yellow:.*login.*
cs_re:yellow:.*bsd.*
cs_re:green:.*named.*
cs_re:green:.*MINUTE MARK.*
cs_re:green:.*last message repeated.*
cs_re:green:.*logger.*
cs_re:blue:.*ntpd.*

# postfix log
colorscheme:postfix
cs_re:red:.*reject.*
cs_re:blue:.*cleanup.*
cs_re:blue:.*smtpd.*
cs_re:green:.*to=.*
cs_re:yellow:.*from=.*
cs_re:magenta:.*status=deferred.*
cs_re:magenta:.*spamd.*
cs_re:red:.*warning.*
cs_re:red:.*bounced.*

#snort log
colorscheme:snort
cs_re:green:.*Priority: 3.*
cs_re:yellow:.*Priority: 2.*
cs_re:red:.*Priority: 1.*


# Default colorschemes
scheme:postfix:/var/log/maillog
scheme:syslog:/var/log/messages
scheme:snort:/var/log/snort/alert

# wether to abbreviate filesizes to xKB/MB/GB
abbreviate_filesize:on

# Turn off mail check
check_mail:0

# timestring format for statusline
statusline_ts_format:%m/%d/%Y %H:%M

statusline_attrs:blue,white,reverse

# enable things with the xterm title bar
# %f  changed file
# %h  hostname
# %l  system load
# %m  "New mail" or nothing
# %u  username
# %t  date + time
titlebar:%u@%h %f (%t) [%l]'
if [ ! -f ~/.multitailrc ]; then
	touch ~/.multitailrc
	echo "-- created file ~/.multitailrc (was missing)"
fi
echo "$multitailconfig" > ~/.multitailrc



echo "############################################################"
echo "############################################################"
echo "Create bash alias 'log' for a faster usage"

bashaliases='#!/bin/bash
function logoutput() {
        if [[ -z "$1" ]]; then
                echo "please add at least one log file"
                return;
        fi

        if [ $1 = "tom" ]; then
                multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/tomcat/logs/catalina.out
                return
        fi

        if [ $1 = "tomdev" ]; then
                if [ -f "/usr/local/tomcat_dev/logs/catalina.out" ]; then
                        multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/tomcat_dev/logs/catalina.out
                        return
                elif [ -f "/usr/local/tomcatdev/logs/catalina.out" ]; then
                        multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/tomcat_dev/logs/catalina.out
                        return
                else
                        echo "tomcat dev does not exist"
                        return
                fi
        fi

        if [ $1 = "tomtest" ]; then
                if [ -f "/usr/local/tomcat_test/logs/catalina.out" ]; then
                        multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/tomcat_test/logs/catalina.out
                        return
                elif [ -f "/usr/local/tomcattest/logs/catalina.out" ]; then
                        multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/tomcattest/logs/catalina.out
                        return
                else
                        echo "tomcat test does not exist"
                        return
                fi
        fi

        multitail -n 1000 -M 1000 -CS log --mergeall $1 $2 $3 $4 $5 $6 $7 $8 $9
}
function logtomcatoutput() {
        TOMCAT=$1
        if [[ -z "$1" ]]; then
                TOMCAT="tomcat"
        fi

        LOGFILE=$2
        if [[ -z "$2" ]]; then
                LOGFILE="catalina.out"
        fi

        if [ -f "/usr/local/$TOMCAT/logs/$LOGFILE" ]; then
                multitail -n 1000 -M 1000 -CS log --mergeall /usr/local/$TOMCAT/logs/$LOGFILE
        elif [ -f "/var/www/$TOMCAT/logs/$LOGFILE" ]; then
                multitail -n 1000 -M 1000 -CS log --mergeall /var/www/$TOMCAT/logs/$LOGFILE
        else
                echo "Logfile does not exist here: /usr/local/$TOMCAT/logs/$LOGFILE or /var/www/$TOMCAT/logs/$LOGFILE"
        fi
}

alias log=logoutput
alias logt=logtomcatoutput'
if [ ! -f ~/.bash_tail_aliases ]; then
	touch ~/.bash_tail_aliases
	echo "-- created file ~/.bash_tail_aliases (was missing)"
fi
echo "$bashaliases" > ~/.bash_tail_aliases

echo "############################################################"
echo "############################################################"
echo "As everyone likes a long history in his logs set the min_n_bufferlines to 1000"

sed -i -e 's/min_n_bufferlines:50/min_n_bufferlines:1000/g' /etc/multitail.conf 

echo "############################################################"
echo "############################################################"
echo "Add the bash_tail_aliases reference to bashrc (if not exists)"

bashrc_content='if [ -f ~/.bash_tail_aliases ]; then
. ~/.bash_tail_aliases
fi'
if grep -q "bash_tail_aliases" ~/.bashrc; then
	echo "-- bash_tail_aliases was already set"
else
	echo "$bashrc_content" >> ~/.bashrc
	echo "-- added bash_tail_aliases source (was missing)"
fi

echo "############################################################"
echo "############################################################"
echo "Add the bashrc reference to bash_profile (if not exists)"

bash_profile_content='if [ -f ~/.bashrc ]; then
  . ~/.bashrc
fi'
if grep -q "bashrc" ~/.bash_profile; then
	echo "-- bashrc was already set"
else
	echo "$bash_profile_content" >> ~/.bash_profile
	echo "-- added bashrc source (was missing)"
fi

echo "############################################################"
echo "############################################################"
echo "Make sure to reload your bash after you've added those lines with: source ~/.bashrc"
echo "############################################################"
echo "############################################################"
echo "Everything set. Awesome. Try to call 'log', 'log tom', 'log tomtest', 'log tomdev', 'log ...logfiles'"
echo "############################################################"
echo "############################################################"