From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage (2021)
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Configure a system to use network time protocol
From the course: Red Hat Certified System Administrator (EX200) Cert Prep: 1 Deploy, Configure, and Manage (2021)
Configure a system to use network time protocol
- [Instructor] Setting the date and time from the GUI is fairly easy. You can use any of your VMs for this exercise. Be sure you're logged-in on the GUI and go into overview mode by clicking your mouse pointer in the top left hand corner. Now type in date and time and hit Enter. This interface is pretty simple, but it allows you to change the date, time, and time zone, as well as have them automatically updated. We can also choose a 12 or 24-hour clock. Our computers get their time information from various sources. Every computer has a real-time clock or RTC that keeps time when the computer is off. When the computer is turned on, the OS reads the real-time clock and then keeps tying from that point on. If we set up Network Time Protocol or NTP. Our computer will contact a time server somewhere on the internet and adjust the time accordingly. This method is the most accurate, but requires a network connection. To…
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Contents
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Understand the Linux boot process2m
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Boot into the emergency target5m 54s
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Introduction to systemd services2m 32s
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Get systemd service status3m 56s
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Manage systemd services2m 33s
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Make systemd services persistent1m 40s
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Configure networking4m 41s
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Configure a system to use network time protocol4m 9s
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Manage one-time jobs with AT4m 4s
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Manage reccuring user jobs with cron5m 2s
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Manage reccuring system jobs with cron2m 41s
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Limiting access to AT and cron3m 41s
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