ilyesAj

sudo apt install gnome-shell-extensions
sudo apt-get remove nodejs npm ## remove existing nodejs and npm packages
sudo apt-get install curl  
curl -sL https://deb.nodesource.com/setup_9.x | sudo -E bash -
sudo apt-get install -y nodejs  
sudo apt-get install npm
npm install -g linux-window-session-manager
https://github.com/johannesjo/gnome-shell-extension-window-session-manager
verify if node and npm installed : node -v and rpm -v 
to launch : https://itsfoss.com/gnome-shell-extensions/

ilyesAj

for docker installation and container :
sudo apt-get install \
    apt-transport-https \
    ca-certificates \
    curl \
    software-properties-common
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
sudo apt-key fingerprint 0EBFCD88
sudo add-apt-repository \
   "deb [arch=amd64] https://download.docker.com/linux/ubuntu \

ilyesAj

echo "syntax on " >> ~/.vimrc
echo "nocp " >> ~/.vimrc
sudo apt install vim-gui-common vim-runtime -y

ilyesAj

using panes :

vertical split : ctrl+b+% horizontal split : ctrl+b+:split window close pane : ctrl+b+x next pane : ctrl+b+o sychronize pane : ctrl+b+:sychronizeOR:sychronize-panes disable sychronization:ctrl+b+:sychronize off

copy text from one terminal to another

1. enter copy mode : ctrl+b+[

ilyesAj

dig in :

https://www.nielsvandermolen.com/bluetooth-headphones-ubuntu/ https://askubuntu.com/questions/689281/pulseaudio-can-not-load-bluetooth-module https://askubuntu.com/questions/689281/pulseaudio-can-not-load-bluetooth-module https://askubuntu.com/questions/338382/pulseaudio-not-working-home-directory-not-accessible-permission-denied https://forum.manjaro.org/t/bluetooth-mouse-paired-but-cant-connect/100559/6 https://docs.ubuntu.com/core/en/stacks/bluetooth/bluez/docs/reference/pairing/outbound https://askubuntu.com/questions/833779/pairing-bluetooth-headphones-in-command-line

ilyesAj

xps 13

i had long search to complete my ubuntu 20.04 installation on the new dell XPS 13 . here is the steps to have all the things gathered together

1. install base image ubuntu 20.04 with a usb stick
2. on the first boot you will have no drivers installed , what you need to do is to connect your PC with an RJ45 (with a usb C to RJ45 adapter) 2.1 launch sudo apt update 2.2 sudo apt upgade
3. next you will need to install additional drivers so that your system will be Ubuntu Certified :https://certification.ubuntu.com/hardware/202007-28046 3.1 run : apt install linux-oem-20.04
4. to activate finger print and face recognition : 4.1

ilyesAj

external:
- seriesQuery: 'gitlab_runner_concurrent{job=~".*gitlab-runner-build.*"}'
  resources:
    overrides:
      namespace:
        resource: namespace
  name:
    matches: "gitlab_runner_concurrent"
    as: "gitlab_runner_jobs_builds_concurrent_saturation"
  metricsQuery: gitlab_runner_jobs_build_total/sum(gitlab_runner_concurrent{job=~".*gitlab-runner-build.*"})

ilyesAj

$ kubectl get --raw "/apis/external.metrics.k8s.io/v1beta1" | jq .
{
  "kind": "APIResourceList",
  "apiVersion": "v1",
  "groupVersion": "external.metrics.k8s.io/v1beta1",
  "resources": [
    {
      "name": "gitlab_runner_jobs_builds_concurrent_saturation",
      "singularName": "",
      "namespaced": true,

ilyesAj

...
hpa: 
  minReplicas: 1
  maxReplicas: 10
  metrics:
  - type: External
    external:
      metricName: gitlab_runner_jobs_builds_concurrent_saturation
      targetAverageValue: 0.4

ilyesAj

job:
  parallel: 50
  image: alpine:latest
  script:
  - echo "hello my friend"
  - sleep 60
  tags:
  - k8s,ops