vzlist

vzlist -o laverage,hostname,ctid


vztop.sh

#! /bin/bash
# Usage: ovzps <CTID> [ps flags ...]

ctid=${1:-0}
shift

ps $* -p $(grep -l "^envID:[[:space:]]*$ctid\$" /proc/[0-9]*/status |
    sed -e 's=/proc/\([0-9]*\)/.*=\1=')