rsyslogd
Configuração
No /etc/rsyslogd.conf
# provides remote UDP syslog reception
$ModLoad imudp
$UDPServerRun 514
# If logging to an NFS mount, use these settings...
# "OMFileFlushOnTXEnd off" avoids fsync on every write...
# mount -o hard,rsize=32768,wsize=32768,noacl,noatime,nodiratime -t nfs
$OMFileIOBufferSize 768k
$OMFileAsyncWriting on
$OMFileFlushOnTXEnd off
$OMFileFlushInterval 10
$MainMsgQueueSize 100000
# kill all INTF-FLAP messages...
if $msg contains 'INTF-FLAP' then /dev/null
&~
## Cisco ACS Accounting...
if ($fromhost-ip=='172.17.16.20') and ($programname == 'CSCOacs_TACACS_Accounting') then /var/log/tacacs_acct.log
&~
## CiscoACS 5.4 TACACS Authentication
if ($fromhost-ip=='172.17.16.20') and ($programname == 'CSCOacs_Passed_Authentications') then /var/log/tacacs_auth.log
&~
# Logging for Chicago issues...
if $fromhost-ip startswith '172.17.25' then /var/log/net/chicago.log
& ~
# Logging for Dallas issues...
if $fromhost-ip startswith '172.17.27' then /var/log/net/dallas.log
& ~
# Logging for firewall...
if $fromhost-ip=='172.17.4.4' then @10.14.12.12
if $fromhost-ip=='172.17.4.4' then /var/log/net/firewall.log
& ~
Cada uma das &~
entradas evita falhas no restante da rsyslog.conf
configuração; portanto, não verei entradas do syslog do roteador /var/log/messages
.
Toque em todos os arquivos syslog:
touch /var/log/net/chicago.log
touch /var/log/net/dallas.log
touch /var/log/net/firewall.log
Reinicie rsyslogd
com/etc/init.d/rsyslogd restart
Rotação de log
No /etc/logrotate.d/rsyslog
/var/log/net/*.log
{
copytruncate
rotate 30
daily
missingok
dateext
notifempty
delaycompress
create root 664 root root
compress
maxage 31
sharedscripts
lastaction
# RHEL: Use "/sbin/service rsyslog restart"
# Debian / Ubuntu: Use "invoke-rc.d rsyslog reload > /dev/null"
invoke-rc.d rsyslog reload > /dev/null
endscript
}