A few text changes to upgrade 23 ai lab (#545)

* Initial changes

* Acknowledgements

* Lab 10 - first edition

* Start lab 11 plus lab 10 fixes

* Lab 11, final changes

* Lab 11 minor text changes

* Lab 11 - restart source post-migration

* Lab 12

* Small stuff

* Lab 12

* Missing     ```

* Lab 13

* Labs 3-5 update

* Update autoupgrade.md

* Labs 3-9

* Lab 15 downgrade

* Lab 14 glitches

* Changed release dates

* Lab 14 - part 1

* Changing contributors

* Trim spaces

* Page changes

* Update awr-compare.md

* Update spa.md

* Lab 14

* Update encrypted-db-upg-conv.md

* Minor corrections

* Lab 02 errors

* Changes

* Error fixing

* Get rid of EXPORT and use env script

* Lab 7

* More fixes

* Missing exit in lab 14

* Image pptx

* Fixing underscores

* underscores

* Small

* Lab 8 finalize

* Lab 9

* Lab 00

* Dummy change

* Test change

* Squashed commit of the following:

commit 1d6978d
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 12:07:30 2024 -0300

    Update migrate-using-ftex.md

commit b71c67d
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 11:48:31 2024 -0300

    Update upg-cdb-flashback.md

commit 12a96a5
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 11:27:52 2024 -0300

    Fix some details

commit 637d577
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:32:57 2024 -0300

    Update spm.md

commit a1e191a
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:32:45 2024 -0300

    Update spm.md

commit 3e3cb76
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:16:14 2024 -0300

    Update spm.md

commit 8493933
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:54:26 2024 -0300

    Update awr-compare.md

commit 11c13cd
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:54:23 2024 -0300

    Update explore-multitenant.md

commit a891039
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:31:52 2024 -0300

    Update awr-snapshot.md

commit 6e3e57a
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:31:49 2024 -0300

    Update explore-multitenant.md

commit b4ee666
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:00:26 2024 -0300

    Update explore-multitenant.md

commit 8828c2b
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:00:23 2024 -0300

    Update initialize-environment.md

commit 3d94b33
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 08:53:52 2024 -0300

    Update initialize-environment.md

commit 5047abb
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 08:53:46 2024 -0300

    Update introduction.md

* Update explore-multitenant.md

* Update upg-cdb-flashback.md

* More stuff

* f

* Update initialize-environment.md

* Delete ~$images.pptx

* Squashed commit of the following:

commit 87452a1
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Thu Jun 6 12:13:44 2024 -0300

    Update migrate-using-ftex.md

commit 2f89859
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Thu Jun 6 09:44:06 2024 -0300

    Update upg-cdb-flashback.md

commit e3da2b9
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Wed Jun 5 14:37:07 2024 -0300

    Update explore-multitenant.md

commit cfaa942
Merge: c1b40df f5ca582
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Wed Jun 5 11:40:22 2024 -0300

    Merge branch 'main' into hammerdb-changes-doc

commit c1b40df
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 16:07:15 2024 -0300

    Fix typos

commit 1d6978d
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 12:07:30 2024 -0300

    Update migrate-using-ftex.md

commit b71c67d
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 11:48:31 2024 -0300

    Update upg-cdb-flashback.md

commit 12a96a5
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 11:27:52 2024 -0300

    Fix some details

commit 637d577
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:32:57 2024 -0300

    Update spm.md

commit a1e191a
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:32:45 2024 -0300

    Update spm.md

commit 3e3cb76
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 10:16:14 2024 -0300

    Update spm.md

commit 8493933
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:54:26 2024 -0300

    Update awr-compare.md

commit 11c13cd
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:54:23 2024 -0300

    Update explore-multitenant.md

commit a891039
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:31:52 2024 -0300

    Update awr-snapshot.md

commit 6e3e57a
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:31:49 2024 -0300

    Update explore-multitenant.md

commit b4ee666
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:00:26 2024 -0300

    Update explore-multitenant.md

commit 8828c2b
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 09:00:23 2024 -0300

    Update initialize-environment.md

commit 3d94b33
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 08:53:52 2024 -0300

    Update initialize-environment.md

commit 5047abb
Author: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>
Date:   Mon Jun 3 08:53:46 2024 -0300

    Update introduction.md

* Changes from Klaus + Alex

* Klaus changes

* Image error

* Delete ~$images.pptx

* New workshops

* Mikes changes

* Small change

* Fix issue with UPGR starting too fast and failing to register at listener

* A few more changes

---------

Co-authored-by: Rodrigo Jorge <rodrigoaraujorge@hotmail.com>

Author: dohdatabase

hitchhikers-guide-upgrade-to-23ai/01-initialize-environment/initialize-environment.md

@@ -41,6 +41,8 @@ In this lab, you will:
 
 9. As explained in the introduction, you can run some of the labs in parallel. When doing so, it might be useful to use multiple *desktops*. Then, you can run each lab on its own desktop. To switch between desktops click *Activities* and select the desktop in the right side. 
 
+    * When opening a new terminal on the second desktop, you must right-click on the icon and select *New window*
+
 ![Switch between desktops to run each lab on a separate desktop](images/initialize-environment-new-desktop.jpeg)
 
 10. Throughout the labs you will open HTML documents in Firefox browser. If the text in the documents is too small, you can zoom in.

hitchhikers-guide-upgrade-to-23ai/02-explore-multitenant/explore-multitenant.md

@@ -712,7 +712,7 @@ You want to run a script in a CDB including all PDBs.
     ```
     </details>
 
-3. *catcon.pl* stores the output from each container in a separate script. List the files.
+3. *catcon.pl* stores the output from each container in a separate log file. List the files.
 
     ```
     <copy>

hitchhikers-guide-upgrade-to-23ai/09-sqltune/sqltune.md

@@ -238,6 +238,8 @@ In this lab, you will implement some of the recommendations. Namely, those about
 
 **Congratulations! You have completed the Performance Stability Prescription.**
 
+This is the end of track 1. You can proceed with any lab from tracks 2 or 3. 
+
 You may now *proceed to the next lab*.
 
 ## Learn More

hitchhikers-guide-upgrade-to-23ai/10-upg-cdb-flashback/upg-cdb-flashback.md

@@ -4,7 +4,7 @@
 
 In this lab, you will upgrade an entire CDB including PDBs from Oracle Database 19c to 23ai. Then, you will practice a rollback and the restoration option in AutoUpgrade. This uses Flashback Database to get the database back to the starting point.
 
-Estimated Time: 35 minutes
+Estimated Time: 60 minutes
 
 ### Objectives
 
@@ -232,7 +232,7 @@ You determined that the database is ready to upgrade. Start AutoUpgrade in *depl
     ```
     </details>
 
-3. Wait until the upgrade completes. Depending on the hardware, the upgrade will take about 15-25 minutes. Don't exit from the AutoUpgrade console. Leave it running.
+3. Wait until the upgrade completes. Depending on the hardware, the upgrade will take about 35-45 minutes. Don't exit from the AutoUpgrade console. Leave it running.
 
 4. Optionally, you can complete some of the labs from tracks 1 and 3. Check *Introduction* for details