ccze

TLDR

Colorize log file

$ cat [/var/log/syslog] | ccze

Follow log with colors

$ tail -f [/var/log/syslog] | ccze

Raw ANSI output for less

$ cat [logfile] | ccze -A | less -R

HTML output

$ cat [logfile] | ccze -h > [output.html]

Disable lookups for speed

$ cat [logfile] | ccze -A -o nolookups | less -R

List available plugins

$ ccze -l

SYNOPSIS

ccze [options]

DESCRIPTION

ccze is a robust modular log colorizer with plugins for syslog, httpd, postfix, squid, exim, fetchmail, procmail, vsftpd, and more. Faster than colorize (written in C).

PARAMETERS

-A, --raw-ansi

Generate raw ANSI output

-c key=color

Set color for key

-C, --convert-date

Convert UNIX timestamps to readable format

-h, --html

Generate HTML output

-l, --list-plugins

List available plugins

-p plugin

Load specific plugin

-o option

Set option (e.g., nolookups)

CONFIGURATION

/etc/cczerc

System-wide configuration

~/.cczerc

User configuration

PLUGINS

Located in /usr/lib/ccze and ~/.ccze. Support for:
- syslog, httpd, postfix
- squid, exim, fetchmail
- procmail, vsftpd, xferlog
- ulogd, apm

CAVEATS

Use -o nolookups for faster processing of long logs. Lookups resolve usernames and services but slow down colorization.