#!/bin/bash # Prepare proper amount of shared memory # For H.264 cameras it may be necessary to increase the amount of shared memory # to 2048 megabytes. umount /dev/shm mount -t tmpfs -o rw,nosuid,nodev,noexec,relatime,size=512M tmpfs /dev/shm # Start MySQL test -e /var/run/mysqld || install -m 755 -o mysql -g root -d /var/run/mysqld su - mysql -s /bin/sh -c "/usr/bin/mysqld_safe > /dev/null 2>&1 &" # Ensure we shut down mysql cleanly later: trap close_mysql SIGTERM # Give MySQL time to wake up SECONDS_LEFT=120 while true; do sleep 1 mysqladmin ping if [ $? -eq 0 ];then break; # Success fi let SECONDS_LEFT=SECONDS_LEFT-1 # If we have waited >120 seconds, give up # ZM should never have a database that large! # if $COUNTER -lt 120 if [ $SECONDS_LEFT -eq 0 ];then return -1; fi done # Restart apache service apache2 restart # Start ZoneMinder /usr/local/bin/zmpkg.pl start while : do sleep 3600 done function close_mysql { kill $(cat /var/run/mysqld/mysqld.pid) sleep 5 }