my Most commonly used cli commands

commando.sh

** Finding a file**
```
find / -name "ansible"  2>&1 | grep -v "Permission denied" 
```

** find a text in directory:**
grep -rnw /PATH/ -e 'minikube'

detect_os.sh

detect_os ()
{
  if [[ ( -z "${os}" ) && ( -z "${dist}" ) ]]; then
    # some systems dont have lsb-release yet have the lsb_release binary and
    # vice-versa
    if [ -e /etc/lsb-release ]; then
      . /etc/lsb-release

      if [ "${ID}" = "raspbian" ]; then
        os=${ID}
        dist=`cut --delimiter='.' -f1 /etc/debian_version`
      else
        os=${DISTRIB_ID}
        dist=${DISTRIB_CODENAME}

        if [ -z "$dist" ]; then
          dist=${DISTRIB_RELEASE}
        fi
      fi

    elif [ `which lsb_release 2>/dev/null` ]; then
      dist=`lsb_release -c | cut -f2`
      os=`lsb_release -i | cut -f2 | awk '{ print tolower($1) }'`

    elif [ -e /etc/debian_version ]; then
      # some Debians have jessie/sid in their /etc/debian_version
      # while others have '6.0.7'
      os=`cat /etc/issue | head -1 | awk '{ print tolower($1) }'`
      if grep -q '/' /etc/debian_version; then
        dist=`cut --delimiter='/' -f1 /etc/debian_version`
      else
        dist=`cut --delimiter='.' -f1 /etc/debian_version`
      fi

    else
      echo "Unknown"
    fi
  fi

  if [ -z "$dist" ]; then
    echo "Unknown"
  fi

  # remove whitespace from OS and dist name
  os="${os// /}"
  dist="${dist// /}"

  echo "Detected operating system as $os/$dist."
}


detect_version_id () {
  # detect version_id and round down float to integer
  if [ -f /etc/os-release ]; then
    . /etc/os-release
    version_id=${VERSION_ID%%.*}
  elif [ -f /usr/lib/os-release ]; then
    . /usr/lib/os-release
    version_id=${VERSION_ID%%.*}
  else
    version_id="1"
  fi
}

remove_exited_container.sh

#!/bin/bash

# Get a list of all exited Docker containers
exited_containers=$(docker ps -a -q -f status=exited)

# Check if there are any exited containers
if [ -n "$exited_containers" ]; then
    # Remove all exited containers
    docker rm $exited_containers
    echo "All exited Docker containers have been removed."
else
    echo "There are no exited Docker containers to remove."
fi

running_bunch_of_container.sh

#!/bin/bash

container_names=("test1" "test2")

for container in "${container_names[@]}"
do
	# Check if container is running
	if [ "$(docker inspect -f '{{.State.Running}}' $container)" != "true" ]; then
    	if [ "$(docker ps -aq -f status=exited -f name=$container)" ]; then
        	# Cleanup
        	echo ":: $container has an error. So removing it..."
        	docker rm $container
    	fi
    	# Run your container
    	docker run -d --name $container your-image-name-here
	fi
done