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Sat. 27 June 2020: Movement of www.UNIX.com to new server


 
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The Lounge What is on Your Mind? Sat. 27 June 2020: Movement of www.UNIX.com to new server
# 1  
Sat. 27 June 2020: Movement of www.UNIX.com to new server

FYI.

On Saturday, 27 June, 2020 I plan to move the legacy (reference) site ```www.unix.com``` to a different server.

The new location is currently running fine and tested.

The new app is in a Docker container I created which supports end-of-life (EOL) PHP 5.6; and so the legacy forum app and man pages will continue to run; but it will be a little slower because the temporary staging site I'm moving it to has only 32 GB RAM and an older 8 Core AMD Opteron(tm) Processor 3365 processor, versus the current site of 64 GB RAM and 8 core Intel(R) Core(TM) i7-6700K CPU @ 4.00GHz. Plus, all apps in Docker containers are slower than on "bare metal".

Code:
Original Site H/W:
8 Core Intel  i7-6700K CPU @ 4.00GHz with 64GB RAM, SSD drives.

Code:
Temporary Staging H/W:
8 Core AMD Opteron(tm) Processor 3365 with 32 GB RAM, SSD drives.

The reason for this temporary move is as follows:
  1. Cost. This server is too expensive for standalone serving only the legacy unix forum app.
  2. Staging: Moving to an existing server in my inventory, temporarily.
  3. Reliability. Later will move to new H/W with new SSD drives and a newer CPU.
  4. Consolidation: Consolidate other apps on the new hardware (less servers to manage).
  5. Tech Refresh: Will more-than-likely move to new H/W running Ubuntu* **20.04 LTS** (but not this month).

I think this H/W move will take less than 5 minutes on Saturday, as the legacy app has been tested on the temporary staging hardware:
  1. Change DNS IP address to new server.
  2. Cut over to new Apache2 reverse proxy.
  3. Update SSL certificate for ```www.unix.com```.

Code:
Planned Cutover Time Start:   Saturday, 27 June 2020, 8:00 AM GMT.


Code:
Reference:  https://wiki.ubuntu.com/Releases

# 2  
Update:

This server switch was completed, tested for a few hours, and then reverted back because serving the PHP pages in a dockerized LAMP container significantly slows down the site.

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