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tutorial:adm:server_os_updates [2019/12/16 15:26] fiserp [Solving issues] |
tutorial:adm:server_os_updates [2019/12/16 15:34] fiserp [Solving issues] |
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==== Solving issues ==== | ==== Solving issues ==== | ||
For maintenance actions, it is necessary to: | For maintenance actions, it is necessary to: | ||
- | * Know how long each task will take. | + | * Know how long each task will take and to measure the task duration when actually performing them. |
* If tasks take longer than expected, you know if you can match the maintenance window or not. | * If tasks take longer than expected, you know if you can match the maintenance window or not. | ||
* Know how long the whole maintenance will take (maintenance time **MT**). | * Know how long the whole maintenance will take (maintenance time **MT**). | ||
Line 86: | Line 86: | ||
Fortunately, | Fortunately, | ||
- | In more complicated cases, restoring | + | Minor issues can be generally resolved with the help of ``/boot`` and ``/etc`` backups you created before updating the OS. |
+ | |||
+ | If IdM installation gets hit, you can debug the configuration or restore it from periodic backup. Since IdM is not installed from OS packages, this basically never happens. |