$ sudo apt-get update
$ sudo apt-get install powerline

if [ -f /usr/share/powerline/bindings/bash/powerline.sh ]; then
source /usr/share/powerline/bindings/bash/powerline.sh
fi

$ git clone https://github.com/powerline/fonts.git --depth=1
$ cd fonts
$ ./install.sh

$ sudo apt update
$ sudo apt install snapd

$ sudo snap install snap-store
snap-store 20191114.a9948d5 par Canonical✓ installé

#!/bin/bash
export pwd=$(pwd)
find $pwd | sed -e "s;$pwd;\.;g;s;[^/]*\/;|__;g;s;__|; |;g"

robin:~/git/XenonReborn $ ~/.bin/mdgentree 
.
|__gradle
| |__wrapper
| | |__gradle-wrapper.jar
| | |__gradle-wrapper.properties
|__build.gradle
|__core
| |__build.gradle
| |__.travis.yml
| |__src
| | |__fr
| | | |__fxjavadevblog
| | | | |__xr
| | | | | |__commons
| | | | | | |__gamepads
| | | | | | | |__ControllerAdapter.java
| | | | | | | |__ControllerFactory.java
| | | | | | |__UserControls.java
| | | | | | |__utils
| | | | | | | |__ModPlayer.java
| | | | | | | |__MusicPlayer.java
| | | | | | | |__RandomUtils.java
| | | | | | | |__GameControls.java
| | | | | | | |__DeltaTimeAccumulator.java
| | | | | |__screens
| | | | | | |__AbstractScreen.java
| | | | | | |__loading
| | | | | | | |__LoadingScreen.java
| | | | | | |__game
| | | | | | | |__ShipStateObserver.java
| | | | | | | |__TiledMapScrolling.java
| | | | | | | |__DashBoard.java
| | | | | | | |__BackgroundParallaxScrolling.java
| | | | | | | |__GamePlayScreen.java
| | | | | | |__menu
| | | | | | | |__MenuScreen.java
| | | | | | | |__BackgroundTravelling.java
| | | | | | |__XenonControler.java
| | | | | | |__MainControler.java
| | | | | | |__XenonScreen.java
| | | | | | |__XenonScreenFactory.java
| |__assets
| | |__commons
| | | |__bonus.png
| | | |__bonus-power-up-anim.png
| | | |__life.png
| | | |__xenon-reborn.png
| | |__mods
| | | |__trance-124.mod
| | | |__aa_xenon.xm
| | | |__xenon220.xm
| | | |__doodle-doo.mod
| | | |__xenon2.mod
| | | |__intro.mod
| | | |__space-megamix.mod
| | | |__faktory.mod
| | | |__breathtaker.mod
| | |__log4j2.xml
| | |__ships
| | | |__ship_noreactor.png
| | | |__ship_old.png
| | | |__ship_right.png
| | | |__ship_left.png
| | | |__ship_normal.png
| | | |__shield.png
| | |__musics
| | | |__blank.mp3
| | |__backgrounds
| | | |__right_bg.png
| | | |__ghostbusters-bzhcamp.png
| | | |__footer.png
| | | |__left_bg.png
| | | |__bombing-pixels-white.jpg
| | | |__space.jpg
| | |__sounds
| | | |__bonus.mp3
| | | |__explosion.mp3
| | | |__game-over.mp3
| | | |__shield-activated.mp3
| | | |__big-shoot.mp3
| | | |__shield_down.mp3
| | | |__clic.mp3
| | | |__shoot.mp3
| | | |__ship_explosion.mp3
| | | |__shield_up.mp3
| |__logs
| | |__refs
|__gradle.properties
|__README.md

$ sudo apt-get install tree
$ tree --dirsfirst
.
├── core
│   ├── assets
│   │   ├── backgrounds
│   │   │   ├── bombing-pixels-white.jpg
│   │   │   ├── footer.png
│   │   │   ├── ghostbusters-bzhcamp.png
│   │   │   ├── left_bg.png
│   │   │   ├── right_bg.png
│   │   │   └── space.jpg
│   │   ├── commons
│   │   │   ├── bonus.png
│   │   │   ├── bonus-power-up-anim.png
│   │   │   ├── life.png
│   │   │   └── xenon-reborn.png
│   │   ├── enemies
│   │   │   ├── big-enemy.png
│   │   │   ├── black-bird.png
│   │   │   ├── bug.png
│   │   │   ├── enemy.png
│   │   │   ├── perforator.png
│   │   │   ├── rafale.png
│   │   │   └── xenon-ship.png
│   │   ├── fonts
│   │   │   ├── computer_pixel-7.ttf
│   │   │   ├── font-blue.png
│   │   │   ├── font-blue.properties
│   │   │   ├── font-green.png
│   │   │   ├── font-green.properties
│   │   │   ├── font-xenon-2.png
│   │   │   ├── font-xenon-2.properties
│   │   │   ├── font-xenon.png
│   │   │   ├── PixelOperatorHB.ttf
│   │   │   └── ShareTech-Regular.ttf
├── build.gradle
├── gradle.properties
├── gradlew
├── gradlew.bat
├── README.md
└── settings.gradle

54 directories, 148 files

alias cls='clear'
alias lh='ls -gFh --group-directories-first --time-style=long-iso'
alias ..='cd ..'

function mkcd {
    mkdir -p $1
    cd $1
}

function cl {
    cd $1
    lh
}

$ cat myfile.txt | pv -qL50
$ echo "I'll be back!" | pv -qL10

$ ssh-copy-id -i ~/.ssh/id_rsa.pub user@server

$ sudo adduser user
$ sudo mkdir -p /home/user/.ssh
$ cat id_rsa.pub >> /home/user/.ssh/authorized_keys
$ chmod 700 /home/user/.ssh
$ chmod 600 /home/user/.ssh/authorized_keys
$ chown -R user:user /home/user

export JAVA_HOME=/usr/lib/jvm/java-11-openjdk-amd64/

echo "Cleaning all maven projects recursively"

find . -name "pom.xml" -exec mvn clean -f '{}'

$ sudo gitlab-ctl stop

$ sudo systemctl disable gitlab-runsvdir.service

$ VBoxManage modifyhd fichier.vdi --resize 20000

$ browser-sync start --proxy "http://localhost:8080/ApplicationDemo " --files "/opt/payara41_171/glassfish/domains/domain1/eclipseApps/ApplicationDemo/**/*"

sudo apt-get update
sudo apt-get install apt-transport-https ca-certificates -y
sudo apt-key adv --keyserver hkp://p80.pool.sks-keyservers.net:80 --recv-keys 58118E89F3A912897C070ADBF76221572C52609D
sudo echo deb https://apt.dockerproject.org/repo ubuntu-xenial main >> /etc/apt/sources.list.d/docker.list
sudo apt-get update
sudo apt-get purge lxc-docker
sudo apt-get install linux-image-extra-$(uname -r) -y
sudo apt-get install docker-engine cgroup-lite apparmor -y
sudo usermod -a -G docker $USER
sudo service docker start

$ sudo groupadd docker
$ sudo usermod -aG docker $USER

#!/bin/bash
# Author : FX ROBIN - 2020-04-06


if [ "$1" = "--help" ]
then
  echo "Starts or stops Docker services"
  echo "Usage : dctl [start|stop]"
  exit 0
fi

# inclusion des affichages en couleur avec printc
RESTORE='\033[0m'

RED='\e[91m'
GREEN='\e[92m'
YELLOW='\033[00;33m'
BLUE='\033[00;34m'
PURPLE='\033[00;35m'
CYAN='\033[00;36m'
LIGHTGRAY='\033[00;37m'

function printc()
{
 echo -e "$1$2"
 echo -en "${RESTORE}"
}

#inclusion de la vérification des droits super-utilisateur
if [ "$EUID" -ne 0 ]; then
  printc $RED "This script must be run as super user. Try this : sudo dctl start|stop"
  exit 2
fi  

if [[ "start stop" != *"$1"* ]]; then
  printc $RED "Bad parameter. Should be 'start' or 'stop'."
  exit 2
fi

# STARTING

case $1 in
	start)
		printc $GREEN ">_Starting Docker ..."
		systemctl enable docker.socket
		systemctl enable docker.service

		systemctl start docker.socket
		systemctl start docker.service
		;;
	stop)
		printc $RED ">_Stoping Docker ..."
		systemctl stop docker.service
		systemctl stop docker.socket

		systemctl disable docker.socket
		systemctl disable docker.service
		;;
esac		
		
systemctl --no-pager status docker.service | grep "Active:"

$ dctl start
>_Starting Docker ...
Created symlink /etc/systemd/system/sockets.target.wants/docker.socket → /lib/systemd/system/docker.socket.
Synchronizing state of docker.service with SysV service script with /lib/systemd/systemd-sysv-install.
Executing: /lib/systemd/systemd-sysv-install enable docker
insserv: warning: current start runlevel(s) (empty) of script `docker' overrides LSB defaults (2 3 4 5).
insserv: warning: current stop runlevel(s) (0 1 2 3 4 5 6) of script `docker' overrides LSB defaults (0 1 6).
   Active: active (running) since Mon 2020-04-06 14:57:00 CEST; 6ms ago

$ ffmpeg -f concat -i files.txt -c:v libx264 -preset result_video.mp4

$ ffmpeg -i normal_video.mp4 \ 
       -filter_complex "[0:v]setpts=0.85*PTS[v];[0:a]atempo=(1/0.85)[a]" \
       -map "[v]" -map "[a]" \
       -c:v libx264 \
       -preset fast \
       faster_result_video.mp4

$ ffmpeg -f alsa -ac 2 -i hw:0,0 -f x11grab -framerate 30 -video_size 1280x720 \
         -i :0.0+0,0 -c:v libx264 -preset veryfast -maxrate 1984k -bufsize 3968k \
         -vf "format=yuv420p" -g 60 -c:a libvo_aacenc -b:a 128k -ar 44100 \
         -f flv rtmp://example.rtmp.address.youtube/example-key