Workshop:2023/03/12: Difference between revisions

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== Task list ==
= Task list =
* Upgrade AUTH2 to Ubuntu 20.04 (hopefully last ever OS upgrade for AUTH2).
== Upgrade AUTH2 to Ubuntu 20.04 ==
* Take a look a newly acquired [https://www.router-switch.com/sg350-28p-datasheet-pdf.html SG350-28] switches.
Hopefully last ever OS upgrade for AUTH2. So we can completely remove Quagga and BGP.
** Maybe upgrade to [https://software.cisco.com/download/home/286288261/type/282463181/release/2.5.9.15 latest firmware] if necessary.
* Successfully upgraded but included few snags
** PHP 5.6 ondrej package repository needed to be re-enabled and packages upgraded
** /usr/bin/php needed to be repointed from 8.2 to 5.6
** Disabled most strict modes for newly upgraded MySQL v8.0.32
** Kohana's /srv/www/default/application/classes/model/entity.php need to be manually updated to always set <code>$this->lastModified = new \DateTime();</code> in save function.  Otherwise Kohana tries to initially explicitly set this to NULL but should not be set so the database can do this automatically because of this config: <code>`last_modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'time the row was last modified',</code>
** FreeRadius 3 config needed re-inserting /etc/freeradius/3.0/
** OpenVPN issues:
*** To be documented
** Apache issues:
*** SOWN's ca.key was too small.
*** More to be documented
* Quagga was successfully removed and now only Bird2 remains which uses OSPF
 
== New [https://www.router-switch.com/sg350-28p-datasheet-pdf.html SG350-28] Switches ==
* Connected current console cable for Cisco 3750G and was immediately able to establish a session through GW-B32.
* Finish installing (using Ansible playbooks) new GW servers.
* Finish installing (using Ansible playbooks) new GW servers.
* Maybe take a look at racking the replacement UPS.  Two people should be able to physically deploy this.
* Console interface looks much like that for certain DLink/NetGear managed switches
* IPMI monitoring checks
* Tim upgraded both switches to [https://software.cisco.com/download/home/286288261/type/282463181/release/2.5.9.15 latest firmware] using FAT32 formatted USB pen
* Move VMs from VMS-B32-1 to VMS-B53-1
* Tyler was able to directly import this device into NetBox
 
== Rack second replacement UPS ==
* First replacement UPS successfully unracked and placed in the corner of the server room.
* Box for second replacement UPS retained if first replacement needs to be returned.
* Old rack rails for original UPS thrown away (in WEEE cage).
* One of new set of UPS rack rails installed.
* Network module from first replacement UPS moved to second replacement.
* Second replacement UPS racked and powered up with no issues.
* All redundant power supplies server have one PSU connected to UPS, including lear and goneril from OFERTIE project.  KVM, GW-B32 and BACKUP-B32-1 also connected on their single PSU.   
* Switch not yet transferred. Will wit until next workshop when we have confidence in new UPS.
* Tyler has modelled power connections in NetBox.
* Unused cables with second replacement UPS put in Misc RUB box.
* Unused rack rails, vertical mounting brackets and instruction booklets taken down to Dave's office.
 
== IPMI monitoring checks ==
No progress
 
== Move VMs from VMS-B32-1 to VMS-B53-1 ==
No progress
 
== SUWS Wiki Issues ==
* Still some issues with timelines for SUWS [[Meetings]], [[Outings]] and [[Workshops]] wiki pages.
* Still some issues with timelines for SUWS [[Meetings]], [[Outings]] and [[Workshops]] wiki pages.
** No progress
* Links to RSS and iCal feeds do not work
** PHP file for generated simple URLs for these needs to be deployed within Docker.
== Miscellaneous Tasks ==
* Tyler tidied up the various cables in the back of the rack.
* Tyler took photos of front of servers and added to NetBox.

Latest revision as of 20:36, 13 March 2023

[[|]] | Current Workshop:

 | 

[[|]]

Workshop (to be) held from 15:00-20:00 on 2023-03-12 in B32 L3 North Server Room

 

Task list

Upgrade AUTH2 to Ubuntu 20.04

Hopefully last ever OS upgrade for AUTH2. So we can completely remove Quagga and BGP.

  • Successfully upgraded but included few snags
    • PHP 5.6 ondrej package repository needed to be re-enabled and packages upgraded
    • /usr/bin/php needed to be repointed from 8.2 to 5.6
    • Disabled most strict modes for newly upgraded MySQL v8.0.32
    • Kohana's /srv/www/default/application/classes/model/entity.php need to be manually updated to always set $this->lastModified = new \DateTime(); in save function. Otherwise Kohana tries to initially explicitly set this to NULL but should not be set so the database can do this automatically because of this config: `last_modified` timestamp NOT NULL DEFAULT CURRENT_TIMESTAMP ON UPDATE CURRENT_TIMESTAMP COMMENT 'time the row was last modified',
    • FreeRadius 3 config needed re-inserting /etc/freeradius/3.0/
    • OpenVPN issues:
      • To be documented
    • Apache issues:
      • SOWN's ca.key was too small.
      • More to be documented
  • Quagga was successfully removed and now only Bird2 remains which uses OSPF

New SG350-28 Switches

  • Connected current console cable for Cisco 3750G and was immediately able to establish a session through GW-B32.
  • Finish installing (using Ansible playbooks) new GW servers.
  • Console interface looks much like that for certain DLink/NetGear managed switches
  • Tim upgraded both switches to latest firmware using FAT32 formatted USB pen
  • Tyler was able to directly import this device into NetBox

Rack second replacement UPS

  • First replacement UPS successfully unracked and placed in the corner of the server room.
  • Box for second replacement UPS retained if first replacement needs to be returned.
  • Old rack rails for original UPS thrown away (in WEEE cage).
  • One of new set of UPS rack rails installed.
  • Network module from first replacement UPS moved to second replacement.
  • Second replacement UPS racked and powered up with no issues.
  • All redundant power supplies server have one PSU connected to UPS, including lear and goneril from OFERTIE project. KVM, GW-B32 and BACKUP-B32-1 also connected on their single PSU.
  • Switch not yet transferred. Will wit until next workshop when we have confidence in new UPS.
  • Tyler has modelled power connections in NetBox.
  • Unused cables with second replacement UPS put in Misc RUB box.
  • Unused rack rails, vertical mounting brackets and instruction booklets taken down to Dave's office.

IPMI monitoring checks

No progress

Move VMs from VMS-B32-1 to VMS-B53-1

No progress

SUWS Wiki Issues

  • Still some issues with timelines for SUWS Meetings, Outings and Workshops wiki pages.
    • No progress
  • Links to RSS and iCal feeds do not work
    • PHP file for generated simple URLs for these needs to be deployed within Docker.


Miscellaneous Tasks

  • Tyler tidied up the various cables in the back of the rack.
  • Tyler took photos of front of servers and added to NetBox.