====== 安裝 postfix Agent 的方式 ======
  * 返回 [[tech:librenms]]

  * 這是 SNMP Extend

  * 至 postfix 主機內安裝 <code sh>
yum install postfix-perl-scripts
wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfix-queues -O /etc/snmp/postfix-queues
chmod +x /etc/snmp/postfix-queues
wget https://github.com/librenms/librenms-agent/raw/master/snmp/postfixdetailed -O /etc/snmp/postfixdetailed
chmod +x /etc/snmp/postfixdetailed
</code>
  * 確認 postfix-queues 可以正確執行<code sh>
/etc/snmp/postfix-queues</code> 如果正確執行應該可以看到類似的訊息<cli>
0
0
0
0
</cli>
  * 確認 postfixdetailed 可以正確執行<code sh>
/etc/snmp/postfixdetailed</code> 如果正確執行應該可以看到類似的訊息<cli>
2054
4158
8
0
0
640
0
0
0
9413000
20266000
54
8
10
2
0
0
0
175
0
0
0
0
0
0
0
0
0
0
6
0
0
</cli>
  * 修改 snmpd 設定<code>
vi /etc/snmp/snmpd.conf</code><file>
:
extend mailq /etc/snmp/postfix-queues
extend postfixdetailed /etc/snmp/postfixdetailed
</file>重新啟動 snmpd <code sh>
systemctl restart snmpd
</code>

===== 參考網址 =====
  * https://docs.librenms.org/Extensions/Applications/#postfix
  * http://coderaider.blogspot.com/2012/11/qshape-command-not-found.html

{{tag>librenms agent snmp_ext}}