amulyamalla

Update Mac to latest version

Update your Mac to latest version of macOS.

Install Mac Xcode Command Line Tools

xcode-select --install

amulyamalla

# Split all objects and pass them to each filter below

# Create/Delete Namespace
(select(.verb == "create" and .objectRef.resource=="namespaces") |
    "[" + .stageTimestamp + "] " + "Namespace Created: name=" + .objectRef.name),

(select(.verb == "delete" and .objectRef.resource=="namespaces") |
    "[" + .stageTimestamp + "] " + "Namespace Deleted: name=" + .objectRef.name),

# Create/Delete Deployment

amulyamalla

cat > topic.txt
addTowhiteList
agentCheckCaseRouter
agentCheckKYCRouter
agentCMRouter
agentCreateCase
agentFetchKYC
agentInformKYC

cat > delete-topic.sh

amulyamalla

Ansible groupvar has two groups - all and others(ungrouped)

[all]
k8s-master	 ansible_host=172.26.146.181    ip=192.168.1.10   ansible_port=922 ansible_user=amulya
k8s-node 	   ansible_host=172.26.146.184    ip=192.168.1.11   ansible_port=922 ansible_user=amulya

[kube-master]
k8s-master

[kube-node]

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##################### ElasticSearch Configuration Example #####################

# This file contains an overview of various configuration settings,
# targeted at operations staff. Application developers should
# consult the guide at <http://elasticsearch.org/guide>.
#
# The installation procedure is covered at
# <http://elasticsearch.org/guide/en/elasticsearch/reference/current/setup.html>.
#
# ElasticSearch comes with reasonable defaults for most settings,

amulyamalla

Additionally there's a short howto delete one of master nodes
i.e. we want to delete node1:

# make node unschedulable
kubectl delete node node1

# get etcd node id which we want to remove
# we can do it from another node in case of node1 is down
docker exec -ti etcd1 etcdctl \
  --cert-file /etc/ssl/etcd/ssl/member-node1.pem \

amulyamalla

# Install package 
   apk update
   apk add tzdata openntpd
# Check timezone info
  timedatectl list-timezones | grep Asia/Kolkata
# Set Timezone 
  export TZ=Asia/Kolkata
# In sync NTP
hwclock -s

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#!/usr/bin/env bash

# NOTE: This will let anyone who belongs to the 'pcap' group
# execute 'tcpdump'

# NOTE2: User running the script MUST be a sudoer. It is
# convenient to be able to sudo without a password.

sudo groupadd pcap
sudo usermod -a -G pcap $USER

amulyamalla

# update python
yum -y install python3
ln -fs /usr/bin/python3 /usr/bin/python
python -V

# update pip
whereis pip
rm -rf /usr/bin/pip
ln -s /usr/bin/pip3 /usr/bin/pip
pip --version

amulyamalla

# Convert CRT to PEM
openssl x509 -in cert.crt -out cert.pem

# Convert CER to PEM
openssl x509 -in cert.cer -out cert.pem

# Convert DER to PEM
openssl x509 -in cert.der -out cert.pem