Display Logs in Browser with tailon

tailon.sh

# Install tailon
pip install tailon
# start tailon
tailon -f /var/log/apache2/{access,error}.log
tailon -f /var/log/apache2/{access,error}.log -b 127.0.0.1:8080 -d

# SECURE INSTALLATION

# Create a domain or subdomain like tailon.mydomain.com
# Create an apache virtual host
<VirtualHost *:80>
  ProxyPreserveHost On
  ProxyRequests Off
  ServerName tailon.mydomain.com
  ProxyPass / http://localhost:8080/
  ProxyPassReverse / http://localhost:8080/
  <Proxy *>
        Order deny,allow
        Allow from all
        AuthType Basic
        AuthName "Dev Server"
        AuthUserFile "/var/www/tailon/.htpasswd"
        Require valid-user
  </Proxy>
</VirtualHost>

# Create according folder and file : /var/www/tailon/.htpasswd

# Create config file : tailon.yaml
bind: 127.0.0.1:7575      # address and port to bind on
allow-transfers: true   # allow file downloads
#relative-root: /tailon/ # web app root path (default: '')
commands: [tail, grep, awk] # allowed commands

files:
  - '/var/log/apache2/{access,error}.log'
  - '/home/hugo/supervisord.log'
- 'cron':
  - '/var/log/cron*'
  
# Automate script with supervisor
[program:tailon]
command=bash -c "tailon -c /home/user/tailon.yaml"
process_name=tailon
numprocs=1
autostart=true
autorestart=true
user=www-data
stdout_logfile=/var/www/supervisor-tailon-info.log
stdout_logfile_maxbytes=1MB
stderr_logfile=/var/www/supervisor-tailon-error.log
stderr_logfile_maxbytes=1MB