Aas Suhendar AasSuhendar

scroll up and down

Ctrl-A [

This will activate copy mode in GNU/screen. Now, you can scroll up/down and look at your data. Use the following keys:

Ctrl-u and Ctrl-d scroll the display up/down by the specified amount of lines while preserving the cursor position. (Default: half screen-full).
Ctrl-b and Ctrl-f scroll the display up/down a full screen.

openshift list all pods and thier specs (requests/limits)

oc get pod -o jsonpath='{range .items[*]}{"SPEC:  \n  LIMITS  : "}{.spec.containers[*].resources.limits}{"\n  REQUESTS: "}{.spec.containers[*].resources.requests}{"\n"}{end}'

openshift list all pods and thier specs with name (requests /limits)

oc get pod -o jsonpath='{range .items[*]}{"NAME:  "}{.metadata.name}{"\nSPEC:  \n  LIMITS  : "}{.spec.containers[*].resources.limits}{"\n  REQUESTS: "}{.spec.containers[*].resources.requests}{"\n\n"}{end}'

How to install virtualenv:

Install pip first

sudo apt-get install python3-pip

Then install virtualenv using pip3

sudo pip3 install virtualenv

Bucket Policy

Bucket policy is an access policy available for you to grant anonymous permissions to your Minio resources. Bucket policy uses JSON-based access policy language.

This section presents a few examples of typical use cases for bucket policies. The policies use testbucket strings in the resource value. To test these policies, you need to replace these strings with your bucket name. For more information please read Amazon S3 access policy language

Granting Read-Only Permission to an Anonymous User

The following example policy grants the s3:GetObject permission to any public anonymous users. This permission allows anyone to read the object data under testbucket, which is useful for when you have publicly readable assets. A typical example is a website assets stored in testbucket.

This guide has moved to a GitHub repository to enable collaboration and community input via pull-requests.

https://github.com/alexellis/k8s-on-raspbian

Alex

My Elasticsearch cheatsheet with example usage via rest api (still a work-in-progress)

Shortlinks:

Cluster Health
- Index Level
- Shard Level
Nodes Overview
Indices Overview
Cluster Maintenance

Benchmark commands

Producer

Setup

bin/kafka-topics.sh \
  --zookeeper zookeeper.example.com:2181 \
  --create \

DB

ovs-vsctl list open_vswitch
ovs-vsctl list interface
ovs-vsctl list interface vxlan-ac000344
ovs-vsctl --columns=options list interface vxlan-ac000344
ovs-vsctl --columns=ofport,name list Interface
ovs-vsctl --columns=ofport,name --format=table list Interface
ovs-vsctl -f csv --no-heading --columns=_uuid list controller
ovs-vsctl -f csv --no-heading -d bare --columns=other_config list port

	# IMPORTANT!
	# This gist has been transformed into a github repo
	# You can find the most recent version there:
	# https://github.com/Neo23x0/auditd

	# ___ ___ __ __
	# / \| __ ______/ (_) /_____/ /
	# / /\| \|/ / / / __ / / __/ __ /
	# / ___ / /_/ / /_/ / / /_/ /_/ /
	# /_/ \|_\__,_/\__,_/_/\__/\__,_/

	# first install pygmentize to the mac OS X or macOS system with the built-in python
	sudo easy_install Pygments

	# then add alias to your ~/.bash_profile or ~/.bashrc or ~/.zshrc etc.
	alias pcat='pygmentize -f terminal256 -O style=native -g'