On Centos/RH yum install sysstat

vmstat -w 2 mpstat -P ALL 2 iostat -dxm 10

nmon: wget http://pkgs.repoforge.org/nmon/nmon-14g-1.el6.rf.x86_64.rpm rpm -ivh nmon-14g-1.el6.rf.x86_64.rpm

nicstat

wget http://nchc.dl.sourceforge.net/project/nicstat/nicstat-1.92.tar.gz untar yum install glibc.i686 ln -s .nicstat.RedHat_5_i386 .nicstat.RedHat_6_i386