create react app build serv

@echo off

SET %DOCKER%=”docker”

SET CONTAINER_NAME=”linux_sandbox”
SET IMAGE_TO_USE=”centos:latest”
SET IMAGE_TO_USE_SANDBOX=”sandbox:%CONTAINER_NAME%”

echo Container – %CONTAINER_NAME%
echo Select an Option to Continue:
echo [0] – Container – Create
echo [1] – Container – Start
echo [2] – Container – Stop
echo [3] – Container – Terminal
echo [4] – Container – Destroy

set /p CHOICE=”Enter Selection: ”

IF “%CHOICE%” == “0” (
%DOCKER% pull “%IMAGE_TO_USE%”

start /MIN “” “%DOCKER%” run -it –privileged –name %CONTAINER_NAME% %IMAGE_TO_USE% bash

timeout 10

%DOCKER% exec -it %CONTAINER_NAME% bash -c “yum -y update;yum clean all”
%DOCKER% exec -it %CONTAINER_NAME% bash -c “yum -y install openssh-server passwd; yum clean all”
%DOCKER% exec -it %CONTAINER_NAME% bash -c “mkdir /var/run/sshd”
%DOCKER% exec -it %CONTAINER_NAME% bash -c “ssh-keygen -t rsa -f /etc/ssh/ssh_host_rsa_key -N ””
%DOCKER% exec -it %CONTAINER_NAME% bash -c “echo ‘root:password’ | chpasswd”

%DOCKER% commit %CONTAINER_NAME% %IMAGE_TO_USE_SANDBOX%
%DOCKER% stop %CONTAINER_NAME%
%DOCKER% rm %CONTAINER_NAME%

%DOCKER% run -d –privileged –name %CONTAINER_NAME% -p “22:22” %IMAGE_TO_USE_SANDBOX% /usr/sbin/sshd -D
)

IF “%CHOICE%” == “1” (
%DOCKER% start %CONTAINER_NAME%
)

IF “%CHOICE%” == “2” (
%DOCKER% stop %CONTAINER_NAME%
)

IF “%CHOICE%” == “3” (
%DOCKER% exec -it %CONTAINER_NAME% /bin/bash
)

IF “%CHOICE%” == “4” (
%DOCKER% stop %CONTAINER_NAME%
%DOCKER% rm %CONTAINER_NAME%
%DOCKER% rmi %IMAGE_TO_USE_SANDBOX%
)

pause

2 steps:
1/ Ctrl+ W
2/ Ctrl+ V

# WSL2 network port forwarding script v1
#   for enable script, 'Set-ExecutionPolicy -ExecutionPolicy Bypass -Scope CurrentUser' in Powershell,
#   for delete exist rules and ports use 'delete' as parameter, for show ports use 'list' as parameter.
#   written by Daehyuk Ahn, Aug-1-2020

# Display all portproxy information
If ($Args[0] -eq "list") {
    netsh interface portproxy show v4tov4;
    exit;
} 

# If elevation needed, start new process
If (-NOT ([Security.Principal.WindowsPrincipal] [Security.Principal.WindowsIdentity]::GetCurrent()).IsInRole([Security.Principal.WindowsBuiltInRole]::Administrator))
{
  # Relaunch as an elevated process:
  Start-Process powershell.exe "-File",('"{0}"' -f $MyInvocation.MyCommand.Path),"$Args runas" -Verb RunAs
  exit
}

# You should modify '$Ports' for your applications 
$Ports = (22,80,443,8080)

# Check WSL ip address
wsl hostname -I | Set-Variable -Name "WSL"
$found = $WSL -match '\d{1,3}\.\d{1,3}\.\d{1,3}\.\d{1,3}';
if (-not $found) {
  echo "WSL2 cannot be found. Terminate script.";
  exit;
}

# Remove and Create NetFireWallRule
Remove-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock';
if ($Args[0] -ne "delete") {
  New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Outbound -LocalPort $Ports -Action Allow -Protocol TCP;
  New-NetFireWallRule -DisplayName 'WSL 2 Firewall Unlock' -Direction Inbound -LocalPort $Ports -Action Allow -Protocol TCP;
}

# Add each port into portproxy
$Addr = "0.0.0.0"
Foreach ($Port in $Ports) {
    iex "netsh interface portproxy delete v4tov4 listenaddress=$Addr listenport=$Port | Out-Null";
    if ($Args[0] -ne "delete") {
        iex "netsh interface portproxy add v4tov4 listenaddress=$Addr listenport=$Port connectaddress=$WSL connectport=$Port | Out-Null";
    }
}

# Display all portproxy information
netsh interface portproxy show v4tov4;

# Give user to chance to see above list when relaunched start
If ($Args[0] -eq "runas" -Or $Args[1] -eq "runas") {
  Write-Host -NoNewLine 'Press any key to close! ';
  $null = $Host.UI.RawUI.ReadKey('NoEcho,IncludeKeyDown');
}

rm -r dirname

ssh-keygen
cat ~/.ssh/id_rsa.pub

git checkout receiving-branch
git merge --squash branch-to-squash
git commit --amend 'commit message'
git push

git stash --include-untracked # stashing with untracked files
git stash push -m "stash name" # name stash
git stash list # list stashes
git stash pop stash@{n} # pop stash

git push -u origin remote-branch

git fetch repo-name

python3 manage.py runserver

heroku run python manage.py db upgrade --app name_of_your_application # upgrade db to heroku
heroku local # run locally on heroku and debug

heroku pg:psql

grep -rnwo . -e 'text'

ocrmypdf “$1” “$1”

$ find . -name './test' -prune -o -name 'file_*' -print