[2024-feb-29] Sad news: Eric Layton aka Nocturnal Slacker aka vtel57 passed away on Feb 26th, shortly after hospitalization. He was one of our Wiki's most prominent admins. He will be missed.
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howtos:hardware:syncing_hardware_clock_and_system_local_time [2012/09/26 01:40 (UTC)] – moved from the general howtos namespace mfillpot | howtos:hardware:syncing_hardware_clock_and_system_local_time [2013/01/11 17:46 (UTC)] – [Overview] hazel | ||
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- | ====== How To Sync Your System Time to Hardware Clock Consistently ====== | + | <-- Reviewed 20130111 by hazel -->====== How To Sync Your System Time to Hardware Clock Consistently ====== |
===== Overview ===== | ===== Overview ===== | ||
- | If you are booting multiple Linux distributions on the same machine, you might face the problem of inconsistent time zone settings across distributions. For example, assume you are dual-booting two Linux distributions, | + | If you are booting multiple Linux distributions on the same machine, you might face the problem of inconsistent time zone settings across distributions. For example, assume you are dual-booting two Linux distributions, |
- | if Distro X is configured to read the BIOS hardware clock as local time, then Distro X will show the correct | + | If Distro X is configured to read the hardware clock as local time, it will show the time correctly, but if Distro Y is configured to read the hardware clock as set to UTC, then it will show an incorrect |
This HOWTO attempts to provide a simple and cross-distribution one-time solution to the issue, making sure all your distributions know that your hardware clock is set to the local time (or UTC if you prefer it). | This HOWTO attempts to provide a simple and cross-distribution one-time solution to the issue, making sure all your distributions know that your hardware clock is set to the local time (or UTC if you prefer it). | ||
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===== Syncing to UTC instead of Local Time ===== | ===== Syncing to UTC instead of Local Time ===== | ||
- | Some people prefer setting their hardware clock to UTC (Universal Coordinated Time) instead of local time. If you want to set your hardware clock to UTC and adjust the date/time accordingly, | + | Some people prefer setting their hardware clock to UTC (Universal Coordinated Time) instead of local time. If you want to set your hardware clock to UTC and adjust the date/time accordingly, |
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while setting the hardware clock from your system time. | while setting the hardware clock from your system time. |