Grab RAM usage, load, and Apache processes

apachestats

#!/usr/bin/env bash
# List stats helpful for tuning Apache

APIDS=$(pgrep apache | wc -l)
LOADAVG=$(< /proc/loadavg)
# hopefully the prefork section is the first match...
MAXCLIENT=$(grep -m 1 "^MaxClient" /etc/apache2/apache2.conf | cut -d' ' -f 2)

free -mt | awk '
BEGIN {
    OFS="\t"
}

# Get total RAM
/^Mem/ { total = $2 }

# Get used RAM
/^-/ { used = $3 }

END {
    split(loadavg, load, " ")

    # if ( --no-headers )
    #     print "Num Apache Procs", "Used/Total Memory", "Load"

    print apids "/" maxclient, " ", " ", used "/" total " KB", " ", load[1] " " load[2] " " load[3]
}' apids=$APIDS "loadavg=$LOADAVG" maxclient=$MAXCLIENT

Debian based:
APIDS=$(pgrep apache2 | wc -l)
MAXCLIENT=$(awk '/^[[:space:]]+MaxClients/ { print $2 }' /etc/apache2/apache2.conf)