Special considerations exist when the clock is changed by less than 3 hours, for example at the beginning and end of daylight savings time.
The Free BSD Ports and Packages Collection offers a simple way for users and administrators to install applications. The Ports Collection supports the latest release on the Free BSD-CURRENT and Free BSD-STABLE branches.
If you attempt to host a web server or other services from your home network, you will often find that your IP address has changed and people will be unable to connect to your server.
Some times we need to check the status of a service if it is running or not to cross verify something on server.
For example, people at home with ADSL internet providers may find that their IP is changing every so often.
This is because your modem is using DHCP to have an IP address automatically issued to it at time of connection, rather then having a set & specific IP assigned to your account that doesn’t change.
The children copies of cron running these processes have their name coerced to uppercase, as will be seen in the syslog and ps output.
Additionally, cron checks each minute to see if its spool directory's modtime (or the modtime on /etc/crontab) has changed, and if it has, cron will then examine the modtime on all crontabs and reload those which have changed.