mesos 1.9 should have mesos task not?

[Marc Roos]

[@~]# mesos help
Usage: mesos <command> [OPTIONS]

Available commands:
    help
    dns
    daemon.sh
    agent
    start-cluster.sh
    master
    start-agents.sh
    start-masters.sh
    start-slaves.sh
    stop-agents.sh
    stop-cluster.sh
    stop-masters.sh
    stop-slaves.sh
    tail
    cat
    execute
    init-wrapper
    local
    log
    ps
    resolve
    scp


mesos-1.9.0-2.0.1.el7.x86_64