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[Service]
Environment="KUBELET_KUBECONFIG_ARGS=--v=99 --enable-controller-attach-detach=true --cloud-provider=external --bootstrap-kubeconfig=/etc/kubernetes/bootstrap-kubelet.conf --kubeconfig=/etc/kubernetes/kubelet.conf"
Environment="KUBELET_SYSTEM_PODS_ARGS=--pod-manifest-path=/etc/kubernetes/manifests --allow-privileged=true"
Environment="KUBELET_NETWORK_ARGS=--network-plugin=cni --cni-conf-dir=/etc/cni/net.d --cni-bin-dir=/opt/cni/bin"
Environment="KUBELET_DNS_ARGS=--cluster-dns=10.96.0.10 --cluster-domain=cluster.local"
Environment="KUBELET_AUTHZ_ARGS=--authorization-mode=Webhook --client-ca-file=/etc/kubernetes/pki/ca.crt"
Environment="KUBELET_CADVISOR_ARGS=--cadvisor-port=0"
Environment="KUBELET_CERTIFICATE_ARGS=--rotate-certificates=true --cert-dir=/var/lib/kubelet/pki"
ExecStart=
ExecStart=/usr/bin/kubelet $KUBELET_KUBECONFIG_ARGS $KUBELET_SYSTEM_PODS_ARGS $KUBELET_NETWORK_ARGS $KUBELET_DNS_ARGS $KUBELET_AUTHZ_ARGS $KUBELET_CADVISOR_ARGS $KUBELET_CERTIFICATE_ARGS $KUBELET_EXTRA_ARGS

Hardeep18

filter kubernetes response with kubectl

make file with all results , then filter into new file

kubectl get nodes > all_nodes.txt

cat all_nodes.txt | while read line ; do if [[ $line == *"sobusy"* ]]; then echo $line; fi; done > filtered_nodes.txt

filter results by search criteria

kubectl logs <pod> <search_criteria> > some_file.txt

Hardeep18

input {
  redis {
    host => "127.0.0.1"
    data_type => "list"
    key => "logstash"
  }
}
input {
        udp {
                type => "syslog"

Hardeep18

#!/bin/sh
# based on https://gist.github.com/ipedrazas/9c622404fb41f2343a0db85b3821275d

# delete all evicted pods from all namespaces
kubectl get pods --all-namespaces | grep Evicted | awk '{print $2 " --namespace=" $1}' | xargs kubectl delete pod

# delete all containers in ImagePullBackOff state from all namespaces
kubectl get pods --all-namespaces | grep 'ImagePullBackOff' | awk '{print $2 " --namespace=" $1}' | xargs kubectl delete pod

# delete all containers in ImagePullBackOff or ErrImagePull or Evicted state from all namespaces

Hardeep18

#!/bin/bash

REGISTRY_DIR=YOUR_REGISTRY_DIR/data/docker/registry/v2/repositories
REGISTRY_URL=http://10.10.10.10:5000
#add --insecure to the curl command on line 17 if you use https with self-signed certificates

cd ${REGISTRY_DIR}
count=0

manifests_without_tags=$(comm -23 <(find . -type f -name "link" | grep "_manifests/revisions/sha256" | grep -v "\/signatures\/sha256\/" | awk -F/ '{print $(NF-1)}' | sort) <(for f in $(find . -type f -name "link" | grep "_manifests/tags/.*/current/link"); do cat ${f} | sed 's/^sha256://g'; echo; done | sort))

Hardeep18

#!/bin/bash
set -euo pipefail

CMD=$0

function usage {
    cat <<EOU

    Usage: 

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#!/bin/bash

JQPATH=$(which jq)
if [ "x$JQPATH" == "x" ]; then
  echo "Couldn't find jq executable." 1>&2
  exit 2
fi

set -eu
shopt -s nullglob

Hardeep18

import discord
import requests
import json
import urllib
from discord.ext import commands


class Bible:

    def __init__(self, bot):

Hardeep18

How to setup Let's Encrypt for Nginx on Ubuntu 18.04 (including IPv6, HTTP/2 and A+ SLL rating)

---

Virtual hosts

Let's say you want to host domains first.com and second.com.

Create folders for their files:

Hardeep18

#!/bin/bash

# Copyright 2015 The Kubernetes Authors All rights reserved.
#
# Licensed under the Apache License, Version 2.0 (the "License");
# you may not use this file except in compliance with the License.
# You may obtain a copy of the License at
#
#     http://www.apache.org/licenses/LICENSE-2.0
#