Ben Stienstra

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{{tag>[ups apc centos]}}
~~TOC~~
=====APCUSPd CentOS 6.5=====
This guide will let you configure apcupsd using PCNET broadcasts from the UPS network management card.

Prerequisites:
  * EPEL repo
  * APC UPS with network management card 2, firmware 6.1.1.

====Configure APC network management card to allow PCNET connection====
PCNET is UDP broadcast communication over port 3052. If you use a firewall, open communication for this port.

  * Configuration -> Shutdown, disable Basic Signaling Shutdown.
  * Configuration -> Shutdown, enter 16 character shutdown phrase.
  * Configuration -> Shutdown, username: device.
  * Configuration -> PowerChute clients -> add client IP address.
====Install and configure apcupsd====
  * Install apcupsd. <code>yum install apcupsd</code>
  * Autostart apcupsd after boot. <code>chkconfig apcupsd on</code>
  * Configure apcupsd. Edit **/etc/apcupsd/apcupsd.conf**. <code>UPSNAME SMART750
UPSCABLE ether
UPSTYPE pcnet
DEVICE 1.2.3.4:apc:1234567890123456       # Your 16 char shutdown phrase.
BATTERYLEVEL 10                           # Issue shutdown at or below 10% battery.
MINUTES 10                                # If runtime left is 10 minutes or below, shutdown.</code>
  * Open UDP 3052 from UPS to server. Edit **/etc/sysconfig/iptables** <code>-A INPUT -m state --state NEW -m udp -p udp --dport 3052 -j ACCEPT</code>
  * Restart iptables. <code>service iptables restart</code>
  * SELinux: Allow bind to port 3052. This should be fixed in newer versions of CentOS. <code>yum -y install policycoreutils-python
setenforce 0

# clear the audit log
cd /var/log/audit
echo > audit.log

service apcupsd start
service apcupsd stop

setenforce 1

cp audit.log /var/tmp
cd /var/tmp

audit2allow -M myapcupsd < audit.log

semodule -i myapcupsd.pp</code>
  * Start apcupsd. <code>service apcupsd start</code>
====Test====
  * Wait 30 seconds for the PCNET broadcast and test access. <code>apcaccess</code>
Ben Stienstra

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