Logrotate

Install logrotate

sudo apt install -y logrotate

Tomcat log

Log directory

sudo mkdir -p /opt/tomcat/logs/archive
sudo chown tomcat:tomcat /opt/tomcat/logs/archive
sudo chmod 755 /opt/tomcat/logs/archive

Create rotation config

sudo vi /etc/logrotate.d/tomcat

logrotate for 7 days of uncompressed then 90 days of compressed log

/opt/tomcat/logs/catalina.out.7
/opt/tomcat/logs/*.log.7
/opt/tomcat/logs/*.txt.7 {
  rotate 90
  missingok
  notifempty
  compress
  dateext
  dateyesterday
  dateformat -%Y-%m-%d
  create 0644 tomcat tomcat
  olddir /opt/tomcat/logs/archive
}

/opt/tomcat/logs/catalina.out
/opt/tomcat/logs/*.log
/opt/tomcat/logs/*.txt {
  daily
  rotate 7
  missingok
  notifempty
  create 0644 tomcat tomcat
  sharedscripts
  postrotate
      /bin/kill -USR1 $(cat /opt/tomcat/temp/tomcat.pid 2>/dev/null) 2>/dev/null || true
  endscript
}

Debug or test config file

sudo logrotate -d /etc/logrotate.d/tomcat

Log rotate using command

sudo logrotate -f /etc/logrotate.d/tomcat

Ghost log

Update log directory permission

sudo chown root /var/www/*/content/logs

sudo chmod 755 /var/www/*/content/logs

Create rotation config

sudo vi /etc/logrotate.d/ghost

logrotate for 30 days compressed

/var/www/*/content/logs/*.log {
  daily
  rotate 28
  missingok
  compress
  delaycompress
  copytruncate
  notifyempty
  create 0644 ghost ghost
  sharedscripts
  prerotate
    systemctl stop ghost
  endscript
  postrotate
    systemctl start ghost
  endscript
}

Debug or test config file

sudo logrotate -d /etc/logrotate.d/ghost

Log rotate using command

sudo logrotate -f /etc/logrotate.d/ghost