各ユーザーのコマンドを記録する
wget http://mirror.centos.org/centos/5/os/i386/CentOS/psacct-6.3.2-44.el5.i386.rpm
rpm -i psacct-6.3.2-44.el5.i386.rpm
/etc/rc.d/init.d/psacct start
chkconfig psacct on
lastcomm
wget http://mirror.centos.org/centos/5/os/i386/CentOS/psacct-6.3.2-44.el5.i386.rpm
rpm -i psacct-6.3.2-44.el5.i386.rpm
/etc/rc.d/init.d/psacct start
chkconfig psacct on
lastcomm