If your are into devops or someone who take care backend of NGINX, you will notice there is limit of tools to read / transform NGINX access or error log files into colorize which is helpful and readable, compare to Httpd / Apache which have tonnes of script and tools to colorize your logs.

The last time I configuring NGINX was 4 years ago and yesterday I setup webserver for my client using NGINX instead of Httpd / Apache, after 7 minutes port 80 was open to public, I notice slowness on my client VPS machine, so I assume maybe some massive bots are scanning this webserver for some reason.

I open NGINX log with my favourite less- R command line and I feel awful and ackward. Do you know why? Because I been involve with lot of programming framework and tool that offer me ANSI colorize log.

If you are just like me, then I suggest you to install ccze! Here some currrent info from Fedora repository

[rnm@robbinespu ~] $ sudo dnf info ccze
Last metadata expiration check: 0:00:13 ago on Thu 22 Aug 2019 11:55:41 AM +08.
Available Packages
Name         : ccze
Version      : 0.2.1
Release      : 22.fc30
Architecture : x86_64
Size         : 81 k
Source       : ccze-0.2.1-22.fc30.src.rpm
Repository   : fedora
Summary      : A robust log colorizer
URL          : http://bonehunter.rulez.org/CCZE.html
License      : GPLv2+
Description  : CCZE is a roboust and modular log colorizer, with plugins for apm,
             : exim, fetchmail, httpd, postfix, procmail, squid, syslog, ulogd,
             : vsftpd, xferlog and more.

Like it said, this is a robust and modular log colorizer and comes with few plugins. It available on Fedora, Debian, Ubuntu, Centos, Opensuse and others distro repository.

Just install it:

$ sudo dnf install ccze #for Red Hat/CentOS/Fedora based
$ sudo apt install ccze #for Debian/Ubuntu based

and to use it, you need to open your file reader and pipe into ccze. For example:

$ sudo less -R /var/log/nginx/access.log | ccze -A | less -R 

NGINX access log with ccze

You may check helps for more option how to manipulate and using ccze

$ ccze --help
Usage: ccze [OPTION...]
ccze -- cheer up 'yer logs.

  -a, --argument=PLUGIN=ARGS...   Add ARGUMENTS to PLUGIN
  -A, --raw-ansi             Generate raw ANSI output
  -c, --color=KEY=COLOR,...  Set the color of KEY to COLOR
  -C, --convert-date         Convert UNIX timestamps to readable format
  -F, --rcfile=FILE          Read configuration from FILE
  -h, --html                 Generate HTML output
  -l, --list-plugins         List available plugins
  -m, --mode=MODE            Change the output mode
                             (Available modes are curses, ansi and html.)
  -o, --options=OPTIONS...   Toggle some options
                             (such as scroll, wordcolor and lookups,
                             transparent, or cssfile)
  -p, --plugin=PLUGIN        Load PLUGIN
  -r, --remove-facility      remove syslog-ng's facility from start of the
  -?, --help                 Give this help list
      --usage                Give a short usage message
  -V, --version              Print program version

Mandatory or optional arguments to long options are also mandatory or optional
for any corresponding short options.

Report bugs to <algernon@bonehunter.rulez.org>.

Cheers and have fun!