Syslog

Configuration

# Log all kernel messages to the console.
# Logging much else clutters up the screen.
#kern.*                                                 /dev/console

# Log anything (except mail) of level info or higher.
# Don't log private authentication messages!
*.info;mail.none;authpriv.none;cron.none                /var/log/messages

# The authpriv file has restricted access.
authpriv.*                                              /var/log/secure

# Log all the mail messages in one place.
mail.*                                                  -/var/log/maillog


# Log cron stuff
cron.*                                                  /var/log/cron

# Everybody gets emergency messages
*.emerg                                                 *

# Save news errors of level crit and higher in a special file.
uucp,news.crit                                          /var/log/spooler

# Save boot messages also to boot.log
local7.*                                                /var/log/boot.log

# Log to the logstash server
*.* @@logstash.cs.ucalgary.ca:5544

# Log to the old loghost server
*.* @loghost

Troubleshooting

[root@leo-archer log]# systemctl start rsyslog
A dependency job for rsyslog.service failed. See 'journalctl -xe' for details.

journalctl -xe

-- The result is failed.
Apr 06 13:55:27 leo-archer systemd[1]: Dependency failed for System Logging Service.
-- Subject: Unit rsyslog.service has failed
-- Defined-By: systemd
-- Support: http://lists.freedesktop.org/mailman/listinfo/systemd-devel
-- 
-- Unit rsyslog.service has failed.
-- 


systemctl enable rsyslog
systemctl start rsyslog