update linux server

_docs/sysadmin/installation/update_server.md

@@ -0,0 +1,54 @@
+---
+title: Update GNU/Linux Server
+category: System Administrator > Installation
+redirect_from:
+---
+
+Please also see [Update Submitty](update_submitty) and [Installation Version Notes](version_notes).
+
+
+### Announce Upcoming System Outage
+
+*  In advance of system updates or system maintenance, you may wish to
+   announce the outage to your users.  To do this, edit the
+   `/usr/local/submitty/config/submitty.json` file adding/editing the
+   `"system_message"` field:
+
+    ```
+    "system_message" : "We will have brief maintenance outage on Tuesday at 8am."
+    ```
+
+    ![](/images/system_outage_message.png)
+
+
+
+### Update Your GNU/Linux Server
+
+
+_Below are simplified server update instructions for Ubuntu GNU/Linux.
+Follow best practices on frequency of updates and system maintenance._
+
+
+1. Check your current kernel version
+
+   ```
+   uname -r
+   ```
+
+
+2. Update the Linux Kernel & Linux Packages
+
+   ```
+   sudo apt-get update
+   sudo apt-get upgrade
+   ```
+
+
+3. Reboot the server
+
+
+4. Confirm that your kernel version has been updated appropriately
+
+   ```
+   uname -r
+   ```

_docs/sysadmin/installation/update.md → _docs/sysadmin/installation/update_submitty.md

@@ -12,24 +12,10 @@ early June 2018, please start with the section at the bottom of this
 page.**
 
 
-Please also see [Installation Version Notes](version_notes)
+Please also see [Update GNU/Linux Server](update_server) and [Installation Version Notes](version_notes).
 
-### Announce Upcoming System Outage
 
-1. In advance of system updates or system maintenance, you may wish to
-   announce the outage to your users.  To do this, edit the
-   `/usr/local/submitty/config/submitty.json` file adding/editing the
-   `"system_message"` field:
-
-    ```
-    "system_message" : "We will have brief maintenance outage on Tuesday at 8am."
-    ```
-
-    ![](/images/system_outage_message.png)
-
-
-
-### Update Submitty
+### Update Submitty Software to the latest Release
 
 1.  To update the Submitty source code repository, get the specific
     branch/release to which you want to upgrade.  For example:

_docs/sysadmin/installation/version_notes/index.md

@@ -6,6 +6,10 @@ redirect_from:
   - /sysadmin/version_notes
 ---
 
+
+Please also see [Update GNU/Linux Server](../update_server) and [Update Submitty](../update_submitty).
+
+
 The release notes below document additional manual steps required with
 installation of new versions of Submitty.  These include editing
 Submitty configurations, Apache or Nginx configuration, or

navtreedata.js

@@ -141,7 +141,8 @@ var NAVTREE =
             [ "Installation", "/sysadmin/installation/index", [
                 [ "Overview", "/sysadmin/installation/index", null ],
                 [ "Server OS", "/sysadmin/installation/server_os", null ],
-                [ "Update Submitty", "/sysadmin/installation/update", null ],
+                [ "Update GNU/Linux Server", "/sysadmin/installation/update_server", null ],
+                [ "Update Submitty", "/sysadmin/installation/update_submitty", null ],
                 [ "Version Notes", "/sysadmin/installation/version_notes/index", [
                     [ "Overview", "/sysadmin/installation/version_notes/index", null],
                     [ "v23.03.01", "/sysadmin/installation/version_notes/v23.03.01", null ],