git submodule add
git submodule update --init --recursive
# remove cached submodule
git rm --cached module_name
# remove and readd gitmodule
git rm mod_name && rm -rf .git/modules/mod_name && git config --remove-section submodule.mod_name && git submodule add mod_name_url mod_name_path
# Add new submodule
git submodule add git@gitlab.com:module_path
# Change remote origin
git remote -v
# View existing remotes
# origin https://github.com/user/repo.git (fetch)
# origin https://github.com/user/repo.git (push)
git remote set-url origin https://github.com/user/repo2.git
# Change the 'origin' remote's URL
git remote -v
# Verify new remote URL
# origin https://github.com/user/repo2.git (fetch)
# origin https://github.com/user/repo2.git (push)
helm search repo <<your_search_string>>
# Copy /tmp/foo_dir local directory to /tmp/bar_dir in a remote pod in the default namespace
kubectl cp /tmp/foo_dir <some-pod>:/tmp/bar_dir
# Copy /tmp/foo local file to /tmp/bar in a remote pod in a specific container
kubectl cp /tmp/foo <some-pod>:/tmp/bar -c <specific-container>
# Copy /tmp/foo local file to /tmp/bar in a remote pod in namespace <some-namespace>
kubectl cp /tmp/foo <some-namespace>/<some-pod>:/tmp/bar
# Copy /tmp/foo from a remote pod to /tmp/bar locally
kubectl cp <some-namespace>/<some-pod>:/tmp/foo /tmp/bar
# View current namespace
kubectl config view | grep namespace
# Create new namespace
kubectl create namespace <name>
# Set context
kubectl config set-context --current --namespace=my-namespace
# Terminating all pods stuck in terminating state
for p in $(kubectl get pods | grep Terminating | awk '{print $1}'); do kubectl delete pod $p --grace-period=0 --force;done
# Force delete a pod
kubectl delete pod <Pod_Name> -n <namespace_name> --grace-period=0 --force
# Install k3s
curl -sfL https://get.k3s.io | INSTALL_K3S_EXEC="server --no-deploy traefik" sh
# Delete everything in a namespace
kubectl delete all --all -n <<namespace>>
# Delete all ```evicted``` pods
kubectl get pods --all-namespaces -o json | jq '.items[] | select(.status.reason!=null) | select(.status.reason | contains("Evicted")) | "kubectl delete pods \(.metadata.name) -n \(.metadata.namespace)"' | xargs -n 1 bash -c
# Force delete a namespace
kubectl get namespace "namespace-to-delete" -o json \
| tr -d "\n" | sed "s/\"finalizers\": \[[^]]\+\]/\"finalizers\": []/" \
| kubectl replace --raw /api/v1/namespaces/namespace-to-delete/finalize -f -
psql -U postgres -d db_name < file_name.sql
pg_dump -U postgres db_name > /tmp/file_name.sql
SELECT * FROM pg_stat_activity WHERE state = 'active';
SELECT pg_cancel_backend(10296)
SELECT pg_terminate_backend(10296)
SELECT pg_size_pretty(pg_total_relation_size('table_name'))
REVOKE CONNECT ON DATABASE backend_vinlab_ai FROM PUBLIC, postgres
SELECT
pg_terminate_backend(pid)
FROM
pg_stat_activity
WHERE
-- don't kill my own connection!
pid <> pg_backend_pid()
-- don't kill the connections to other databases
AND datname = 'backend_vinlab_ai'
;
NAMESPACE="namespace"
# Add repo
helm repo add hashicorp https://helm.releases.hashicorp.com
# Verify
helm search repo hashicorp/consul
# Install helm
helm install consul hashicorp/consul --set global.name=consul --create-namespace --namespace $NAMESPACE --values values.yaml
# Upgrade Consul helm
helm upgrade consul hashicorp/consul --namespace $NAMESPACE --values values.yaml
# Get Consul token
kubectl get secrets/consul-bootstrap-acl-token -n $NAMESPACE --template='{{.data.token | base64decode }}'# Run unittest and get html coverage
go test -coverprofile=coverage.out ./... ; go tool cover -html=coverage.out
# Publish new version of module
GOPROXY=proxy.golang.org go list -m example.com/mymodule@v0.1.0
# Using specific version
go mod init .
go mod edit -require github.com/okieraised@v1.1.0-vinlab
go get -v -t ./...
go build
go install # From remote host
scp -r remote_dir username@host(ip):local_dir# Remove image
docker rmi <imageId/Name>
# Force Remove Image
docker rmi -f <imageId/Name>
# Prune images
docker image prune
# Remove all images
docker rmi $(docker images -q)
# Delete container
docker stop <containerId/Name>
# Stop all running containers
docker stop $(docker ps -aq)
# Delete the container
docker rm <containerId/Name>
# Force delete the container
docker rm -f <containerId/Name>
# Remove all containers
docker rm $(docker ps -aq)
# Remove all stopped containers
docker rm $(docker ps -aq --filter status="exited")Run composer install or php composer.phar install
Run php artisan key:generate
Run php artisan migrate
Run php artisan db:seed to run seeders, if any.
Run php artisan serve