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== Setting the Date == <!--T:1-->
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= Install Guide: Setting the Date =


{{Important|If your system's date and time are too far off (typically by months or years,) then it may prevent Portage from properly downloading source tarballs. This is because some of our sources are downloaded via HTTPS, which use SSL certificates and are marked with an activation and expiration date. However, if your system time is relatively close to correct, you can probably skip this step for now.}}
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{{Important|If your system's date and time are too far off (typically by months or years), then it may prevent Portage from properly downloading source tarballs. This is because some of our sources are downloaded via HTTPS, which use SSL certificates and are marked with an activation and expiration date. However, if your system time is relatively close to correct, you can probably skip this step for now.}}
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Now is a good time to verify the date and time are correctly set to UTC. Use the {{c|date}} command to verify the date and time:
Now is a good time to verify the date and time are correctly set to UTC. Use the {{c|date}} command to verify the date and time:


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{{console|body=
{{console|body=
###i## date
###i## date
Fri Jul 15 19:47:18 UTC 2011
Fri Jul 15 19:47:18 UTC 2011
}}
}}
If the date and/or time need to be corrected, do so using {{c|date MMDDhhmmYYYY}}, keeping in mind {{c|hhmm}} are in 24-hour format. The example below changes the date and time to "July 16th, 2011 @ 8:00PM" UTC:
If the date and/or time need to be corrected, do so using {{c|date MMDDhhmmYYYY}}, keeping in mind {{c|hhmm}} are in 24-hour format. The example below changes the date and time to "July 16th, 2011 @ 8:00PM" UTC:
{{console|body=
{{console|body=
Line 15: Line 24:
Fri Jul 16 20:00:00 UTC 2011
Fri Jul 16 20:00:00 UTC 2011
}}
}}
Once you have set the system clock, it's a very good idea to copy the time to the hardware clock, so it persists across reboots:
Once you have set the system clock, it's a very good idea to copy the time to the hardware clock, so it persists across reboots:


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{{console|body=###i## hwclock --systohc}}
{{console|body=###i## hwclock --systohc}}
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Latest revision as of 04:28, December 13, 2021

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Install Guide: Setting the Date

Install Guide, Chapter 7 < Prev Next >
   Important

If your system's date and time are too far off (typically by months or years), then it may prevent Portage from properly downloading source tarballs. This is because some of our sources are downloaded via HTTPS, which use SSL certificates and are marked with an activation and expiration date. However, if your system time is relatively close to correct, you can probably skip this step for now.

Now is a good time to verify the date and time are correctly set to UTC. Use the date command to verify the date and time:

root # date
Fri Jul 15 19:47:18 UTC 2011

If the date and/or time need to be corrected, do so using date MMDDhhmmYYYY, keeping in mind hhmm are in 24-hour format. The example below changes the date and time to "July 16th, 2011 @ 8:00PM" UTC:

root # date 071620002011
Fri Jul 16 20:00:00 UTC 2011

Once you have set the system clock, it's a very good idea to copy the time to the hardware clock, so it persists across reboots:

root # hwclock --systohc
Install Guide, Chapter 7 < Prev Next >