Linux

• squidtaild
• squidclient
• srg
• squidview
• calamaris
• ccze
• sarg

• localepurge
• deborphan

Scripts

• lesspipe.sh

Use in conjuction with environment variables:

export LESS=-R
export LESSOPEN="|/usr/local/bin/lesspipe.sh %s"

Script:

#!/bin/sh
case "$1" in
*.log.[0-9]*.gz) gunzip -c $1 2>/dev/null | ccze -A
        ;;
*.log|*.log.[0-9]*) cat $1 | ccze -A
        ;;
*.gz) gunzip -c $1 2>/dev/null
        ;;
esac

• Nice terminal colours:

export PAGER='less -R -s -i'
# Blink
export LESS_TERMCAP_mb=$'\E[05;31m'
# Bold
export LESS_TERMCAP_md=$'\E[01;33m'
# End above modes
export LESS_TERMCAP_me=$'\E[0m'
# End standout
export LESS_TERMCAP_se=$'\E[0m'
# Stand out
export LESS_TERMCAP_so=$'\E[00;44;33m'
# End underline
export LESS_TERMCAP_ue=$'\E[0m'
# Underline
export LESS_TERMCAP_us=$'\E[04;32m'

• Log file viewers:

sudo tail -F -n 50 --max-unchanged-stats=5 /var/log/apache2/access.log | ccze
sudo tail -F --max-unchanged-stats=5 -n 50 /var/log/squid/access.log | ccze -C
sudo tail -F --max-unchanged-stats=5 -n 100000 /var/log/auth.log 2> /dev/null | grep --line-buffered -E "(sshd).*(Accepted)" | ccze
sudo watch -d -t 'netstat -p -t | grep ESTABLISHED'