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tutorial:adm:server_os_updates [2019/12/17 07:36] fiserp [Things to consider] |
tutorial:adm:server_os_updates [2019/12/17 07:43] fiserp [Performing the OS update] |
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- Prepare backup and restore procedures. | - Prepare backup and restore procedures. | ||
- Identify which LRTs can be safely killed when running. | - Identify which LRTs can be safely killed when running. | ||
- | - Make a checklist with timing | + | - Make a checklist with timing |
- Perform the update | - Perform the update | ||
- Begin the maintenance. | - Begin the maintenance. | ||
Line 49: | Line 49: | ||
- Stop the IdM. | - Stop the IdM. | ||
- Disable automatic start of the IdM on OS start. | - Disable automatic start of the IdM on OS start. | ||
- | - (If you use cold snapshots, turn of the machine and make one.) | + | - (If you use cold snapshots, turn off the machine and make one.) |
- (If you do not use snapshots, make a backup of the IdM database and store it off-machine.) | - (If you do not use snapshots, make a backup of the IdM database and store it off-machine.) | ||
- Make backup of ``/boot``, ``/etc``, list of processes ``ps -ef`` and list of network services ``netstat -tulnp`` (or ``ss -tulnp``). Those dumps will help you check if all the services started. You can also recover some settings from backups in case something goes wrong (in a minor way) - you will not need to roll back whole snapshot. | - Make backup of ``/boot``, ``/etc``, list of processes ``ps -ef`` and list of network services ``netstat -tulnp`` (or ``ss -tulnp``). Those dumps will help you check if all the services started. You can also recover some settings from backups in case something goes wrong (in a minor way) - you will not need to roll back whole snapshot. |