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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 ``/​var/​log/​{messages,​syslog}`` or analogous files for your OS.     - When the machine is up, check ``dmesg`` and ``/​var/​log/​{messages,​syslog}`` or analogous files for your OS.