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pgrep java 
//list all processes/pid running in java

pgrep java | xargs kill
// chain kill

lsof -i:8080
//list pid  running in port

lsof -i:8080 | awk 'NR==2 {print $2}'

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get-all-dependency-files
go get -d ./...

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get all zones by region filter

gcloud compute zones list --filter="region:europe-west1"


get all instances by instance groups by region

gcloud compute instance-groups list-instances GROUP_NAME --region REGION_NAME

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stop all containers
docker kill $(docker ps -q)

remove all containers
docker rm $(docker ps -a -q)

remove all docker images
docker rmi $(docker images -q)

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// removed gitignored films 

git rm -r --cached .


//remove untracked files
git clean -f -x       

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file=backup.tar.gz
curl -X PUT -T "$file" \
    -H "Host: <BUCKET_PATH>.amazonaws.com" \
    -H "Date: $(date +"%a, %d %b %Y %T %z")" \
    -H "Content-Type: application/x-compressed-tar" \
    "https://<BUCKET_PATH>.amazonaws.com/$file"

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disable system policy for installing from any source
sudo spctl --master-disable

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merge config files
KUBECONFIG=~/.kube/config:~/.kube/config2 kubectl config view --flatten > ~/.kube/temp
mv ~/.kube/temp ~/.kube/config 

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sudo iptables -A INPUT -i tun0 -j ACCEPT
sudo iptables -A FORWARD -o tun0 -i ens3 -j ACCEPT
sudo iptables -A FORWARD -i tun0 -o ens3 -j ACCEPT

sudo iptables -A INPUT -i ens3 -p tcp --dport 80 -j ACCEPT

sudo iptables -A INPUT -p tcp -m state --state NEW -m tcp --dport 22 -j ACCEPT


iptables -D OUTPUT -d 8.8.8.8 -o ens3 -j DROP

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apiVersion: v1
kind: PersistentVolume
metadata:
  name: nfs-pd
spec:
  storageClassName: "nfs-storageclass"
  capacity:
    storage: 200G
  accessModes:
    - ReadWriteOnce