Logging (Buster)

Logrotate

You'll want to edit or add specific entries in /etc/logrotate.d/ as needed. For nginx and php-fpm I like to have much longer logs (rotate weekly, 26 weeks, delaycompress).

/etc/logrote.conf

# see "man logrotate" for details
# rotate log files weekly
weekly

# keep 4 weeks worth of backlogs
rotate 26

# create new (empty) log files after rotating old ones
create

# use date as a suffix of the rotated file
#dateext

# uncomment this if you want your log files compressed
compress
delaycompress

# packages drop log rotation information into this directory
include /etc/logrotate.d

Debian Buster

Initial: Designing a Server - IPMI Installation - Second Steps

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Core: Network - OpenSSH - Packages - sysctl.conf - Iptables - Security - User Management

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Stack: Unbound - MariaDB - Nginx - PHP (7)

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Mail

Mail Setup - Mail Tables - OpenDKIM - Mail and DNS - Spamassassin - ClamAV - Postfix - Dovecot - Reputation Management

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Logs and Security: RKHunter - Logging - Logcheck - Backups - AppArmor