Differences

This shows you the differences between two versions of the page.

Link to this comparison view

Both sides previous revision Previous revision
Next revision Both sides next revision
tutorial:adm:server_os_updates [2019/12/16 14:07]
fiserp [Things to consider] 		tutorial:adm:server_os_updates [2019/12/16 14:07]
fiserp [Things to consider]
Line 22: Line 22:
   * Impact on OS   * Impact on OS
     * OS may seemingly not boot after the updates (boot or network issues, SSHd/RDP daemon issues). We recommend to have complete backup of ``/boot`` and ``/etc`` directories. Out-of-band access to a machine is a must. In case of virtualized environment, making a snapshot is a way to go.     * OS may seemingly not boot after the updates (boot or network issues, SSHd/RDP daemon issues). We recommend to have complete backup of ``/boot`` and ``/etc`` directories. Out-of-band access to a machine is a must. In case of virtualized environment, making a snapshot is a way to go.
-    * In our deployments, we use mainly RHEL/CentOS (sometimes Debian) and Windows OSes. If you deploy IdM accordingly (tutorials [[https://wiki.czechidm.com/doku.php?id=start&do=search&q=server+prep|here]] and [[https://wiki.czechidm.com/doku.php?id=start&do=search&q=idm+installation|here]], OS updates are generally painless.+    * In our deployments, we use mainly RHEL/CentOS (sometimes Debian) and Windows OSes. If you deploy IdM accordingly (tutorials [[https://wiki.czechidm.com/doku.php?id=start&do=search&q=server+prep|here]] and [[https://wiki.czechidm.com/doku.php?id=start&do=search&q=idm+installation|here]]), OS updates are generally painless.
     * Packages from OS that IdM deployment uses     * Packages from OS that IdM deployment uses
       * Java (openjdk package referenced through ``/usr/lib/...`` and therefore through ``/etc/alternatives/...``). Java patchset may be updated, bud the version should stay the same (e.g. update ``1.8u27->1.8u90`` is OK, but update ``Java8->Java9`` is not).       * Java (openjdk package referenced through ``/usr/lib/...`` and therefore through ``/etc/alternatives/...``). Java patchset may be updated, bud the version should stay the same (e.g. update ``1.8u27->1.8u90`` is OK, but update ``Java8->Java9`` is not).
  • by fiserp