In rare cases, the individual disciplines in Siveillance Control are not time-synchronized. You have to manually synchronize them to ensure that correct times are used throughout the alarm chain. You can set the time by using NTP.

  • The time has been set precisely, since the time difference between the system and the NTP server must be less than one minute apart.
  1. Log in as root user.
  1. Enter the following command to open the sources.list file:
    vi /etc/apt/sources.list
  1. Enter the following new source:
    deb [trusted=yes] file:/media/debianiso01 stretch main contrib
  1. Save the sources.list file.
  1. Enter the following command to update the package manager:
    apt-get update
  1. Install NTP service:
    apt-get install ntp
  1. Open the ntp.conf file by entering the following command:
    vi /etc/ntp.conf
  1. Replace the server entry. You have the following options:
  • Enter an IP address.
  • In case of an existing Internet connection, enter a valid address.
  1. Save the file.
  1. Restart the NTP service with one of the following options:
  • Reboot the NTP server.
  • Enter the following commands:
    service ntpd stop
    service ntpd start
  1. Set the time manually to avoid time deviations by completing the following steps:
  • Enter the following command by adding the corresponding numbers:
    date [MMDDhhmm]
  • MM: Month
  • DD: Day
  • hh: Hour
  • mm: Minute