syslog

apt install -y rsyslog

mcedit /etc/logrotate.d/rsyslog

/var/log/syslog
/var/log/mail.info
/var/log/mail.warn
/var/log/mail.err
/var/log/mail.log
/var/log/daemon.log
/var/log/kern.log
/var/log/auth.log
/var/log/user.log
/var/log/lpr.log
/var/log/cron.log
/var/log/debug
/var/log/messages



{
    rotate 7
    size 20M
    missingok
    notifempty
    compress
    delaycompress
    sharedscripts
    postrotate
    /usr/lib/rsyslog/rsyslog-rotate
    endscript
}
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service rsyslog restart
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crontab -e

* * * * * /usr/sbin/logrotate /etc/logrotate.conf

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tail -f /var/log/syslog | grep CRON
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ls -lh  /var/log/syslog