Package: apcupsd

"apcupsd" package binaries on CentOS:

/sbin/apcaccess /sbin/apctest /sbin/apcupsd /sbin/smtp

You may install this package on CentOS with yum install apcupsd

"apcupsd" package binaries on Debian:

/sbin/apcaccess /sbin/apctest /sbin/apcupsd /sbin/smtp

You may install this package on Debian with apt-get install apcupsd