Syslog
# for debian/ubuntu/kubuntu
apt-get install syslog-ng
# for redhat/centos/fedora
yum install syslog-ng
Syslog Config
Locate /etc/syslog-ng/syslog-ng.conf and make a backup of it then edit it. Alter the configuration settings so the options look like:
sudo tee -a /etc/syslog-ng/syslog-ng.conf >/dev/null <<'EOF'
options {(off);
flush_lines(10);
use_dns(persist_only);
use_fqdn(no);
owner("root");
group("adm");
perm(0640);
stats_freq(0);
bad_hostname("^gconfd$");
normalize_hostnames(yes);
keep_hostname(yes);
};
EOF
Syslog levels
Emergency (0) Alert (1) Critical (2) Error (3) Warning (4) Notifications (5) Information (6) Debug (7)