vkroz

Collection of Linux tools to deal with network issues

vkroz

Virtual environments with Anaconda

List virtual environments

conda info --envs

Create virtual environment

conda create -n yourenvname python=x.x

vkroz

Reset remote origin/master to a commit

git checkout master
git reset --hard e3f1e37
git push --force origin master

# Reset remote to a current HEAD
git reset --hard HEAD

vkroz

tmux for humans

How to get

If tmux is not installed, then install it or buid from sources.

Installing

• MacOS: brew install tmux
• CentOS family: yum install tmux

vkroz

Kafka frequent commands

Assuming that the following environment variables are set:

• KAFKA_HOME where Kafka is installed on local machine (e.g. /opt/kafka)
• ZK_HOSTS identifies running zookeeper ensemble, e.g. ZK_HOSTS=192.168.0.99:2181
• KAFKA_BROKERS identifies running Kafka brokers, e.g. KAFKA_BROKERS=192.168.0.99:9092

Server

Start Zookepper and Kafka servers

vkroz

Collection of tips and tricks for Linux 

vkroz

• Gradle
• Maven
• SBT
• Make
• CMake
• Bazel

vkroz

Official cheatsheet: https://kubernetes.io/docs/reference/kubectl/cheatsheet/

Kubernetes (GKE)

kubectl with multiple clusters

Connect to new cluster

gcloud container clusters get-credentials my-cluster --zone us-central1-a --project corded-smithy-248316

vkroz

Docker playground: https://labs.play-with-docker.com/

Build image

tag coud be enything, it should help to identify application and its version, e.g.

# Build image, can use multiple tags
docker build . -t ${tag1} -t ${tag2} ${buildArgs}

vkroz

# import config.
# You can change the default config with `make cnf="config_special.env" build`
cnf ?= config.env
include $(cnf)
export $(shell sed 's/=.*//' $(cnf))

# import deploy config
# You can change the default deploy config with `make cnf="deploy_special.env" release`
dpl ?= deploy.env
include $(dpl)