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tutorial:adm:server_os_updates [2020/01/13 12:22] fiserp [Server updates - OS updates] |
tutorial:adm:server_os_updates [2020/02/17 14:34] (current) fiserp [Performing the OS update] |
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| - 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. | ||
| - Perform the update (e.g. ``yum update``). | - Perform the update (e.g. ``yum update``). | ||
| + | - YMMV depending on the packages being updated. Also when upgrading PostgreSQL, there are additional steps you have to perform. | ||
| - Restart affected services or reboot the whole machine if necessary. | - Restart affected services or reboot the whole machine if necessary. | ||
| - When the machine is up, check ``dmesg`` and ``/ | - When the machine is up, check ``dmesg`` and ``/ | ||