実践Linux

# cat /proc/apm
on-line  : 1.16 1.2 0x03 0x01 0x00 0x01 96% -1 ?
off-line : 1.16 1.2 0x03 0x00 0x00 0x01 96% 118 min
                         ^^^^

0x01 : on-line
0x00 : off-line

# touch /usr/local/bin/apm-check
# chmod 755 /usr/local/bin/apm-check
# vi /usr/local/bin/apm-check

#!/bin/sh

# off-line check
while [ 1 -eq 1 ]
do
    #
    /bin/grep "0x00 0x00 0x01" /proc/apm  > /dev/null \
        && /usr/bin/logger -t apm-offline < /proc/apm
    /bin/sleep 60

    # test
    #/bin/grep -v "0x00 0x00 0x01" /proc/apm  > /dev/null \
    #    && /bin/date | /usr/bin/logger -t apm-offline
    #/bin/sleep 10
done

# touch /etc/init.d/apm-check
# chmod 755 /etc/init.d/apm-check
# vi /etc/init.d/apm-check

#! /bin/sh
# description: apm-check

#PATH=/bin:/usr/bin:/sbin:/usr/sbin

start(){
    ps ax | grep "/usr/local/bin/apm-check" | grep -v 'grep' > /dev/null && \
        echo "apm-check already running." && exit 0
    echo -n "Starting apm-check: "
    /usr/local/bin/apm-check &
    echo
}

stop(){
    echo -n "Stopping apm-check: "
    echo -e '#!/bin/sh' > /tmp/apm-check.stop
    ps ax | grep '/usr/local/bin/apm-check' | \
                 grep -v 'grep'         | \
                 awk -f /usr/local/bin/id1kill.awk >> /tmp/apm-check.stop
    ps ax | grep '/bin/sleep 60' | \
                 grep -v 'grep'       | \
                 awk -f /usr/local/bin/id1kill.awk >> /tmp/apm-check.stop
    chmod 755 /tmp/apm-check.stop
    /tmp/apm-check.stop
    echo
}

restart(){
    stop
    start
}

case "$1" in
  start)
    start
    ;;
  stop)
    stop
    ;;
  restart)
    restart
    ;;
  *)
    echo $"Usage: $0 {start|stop|restart}"
    exit 1
esac

exit 0

# vi /usr/local/bin/id1kill.awk

#
BEGIN{
    FS=" "
}
#
{
    printf("kill %s\n",$1);
}
#
END{
}

# update-rc.d apm-check defaults 94

# update-rc.d -f apm-check remove

# /etc/init.d/apm-check start
# /etc/init.d/apm-check stop
# /etc/init.d/apm-check restart

# vi /etc/swatch/swatch.conf

#
# apm < 80% -->> shutdown all
watchfor /apm-offline/&&/ [1-7][0-9]%/
        echo red_h
        exec /usr/local/bin/bellr
        write swatch-disp:hoge
        mail=hoge@hoge-hoge.biz
        exec /usr/local/bin/shutdown-all
#
# apm off-line
watchfor /apm-offline/
        echo red
        exec /usr/local/bin/bellr
        write swatch-disp:hoge
        mail=hoge@hoge-hoge.biz

# touch /usr/local/bin/bellr
# chmod 755 /usr/local/bin/bellr
# vi /usr/local/bin/bellr

#!/bin/sh
echo -e "\a\a\a\r"

# touch /usr/local/bin/bell
# chmod 755 /usr/local/bin/bell
# vi /usr/local/bin/bell

#!/bin/sh
echo -e "\a\a\a"

# /etc/init.d/swatch stop
# /etc/init.d/swatch start
# /etc/init.d/swatch restart

# /etc/init.d/apm-check stop
# /etc/init.d/apm-check start
# /etc/init.d/apm-check restart

# cat /proc/apm
# logger -t apm-offline test
# tail /var/log/syslog