mercredi 17 novembre 2021

Slack/Zoom Team building : Scavenger hunt

 






Example list 


Organization :

* 1 master of masters : decides the list, and will count the points (in particular : who finished first ?)

* 1 master per group 

* split the list of attending people in zoom "breakout rooms" (1 per group)

* each group master is responsible for validating having seen the objects

* when done or at 15min => back to the main room and count

jeudi 11 novembre 2021

Indice de coût de la vie / cost of living

https://www.numbeo.com/cost-of-living/


 examples, in 2021-Nov (7,450,880 prices in 10,484 cities entered by 613,014 contributors)



  • Paris vs Montreal :

https://www.numbeo.com/cost-of-living/compare_cities.jsp?country1=France&country2=Canada&city1=Paris&city2=Montreal&tracking=getDispatchComparison

applications de gestion de déplacements


  • Chrono
  • Transit => great in Montreal
  • Google Maps => ok internationally
  • Apple plans => iOS specific, not tested
  • STL Synchro => Laval
  • Moovit => ?


  • Citymapper => great in Paris


mardi 9 novembre 2021

Online drawing tool (excalidraw)

 https://excalidraw.com/


(From presentation by  Alex Jones and Anaïs Urlichs [Civo] / Grafana ObservabilityCon 2021 )

https://grafana.com/go/observabilitycon/2021/loki-logging-at-scale-civo/


Linux cleaning tips (systemd, apt/ubuntu, docker)

 (evolutive article where I store what's been useful to me to clean space on linux servers I'm using)

Note : my current servers are running Ubuntu.



OS / SystemD : purge logs bigger than ...

Only keep 10M of each log files handle through syslog

sudo journalctl --vacuum-size 10M


OS / apt : remove remnants

Remove automatically all unused packages Remove automatically installed packages not needed anymore (i.e. packages that were installed as dependencies of packages that have now been removed or aren't requiring this dependency anymore)

apt options :

  •   autoremove - Remove automatically all unused packages
  •   clean - Erase downloaded archive files
  •   autoclean - Erase old downloaded archive files

sudo apt-get clean autoremove autoclean



Docker : remove logs older than ...

Only keep the last 1000h of docker containers logs

sudo docker image prune --all --filter "until=1000h" -f


Docker : remove remnants

Be careful ! If your docker environments are not running they might be deleted by some of the following commands !

Remove unused volumes, containers, images, networks, etc.

sudo docker system prune -f 

sudo docker system prune -a --volumes