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Docker Network Explained

• https://pythonspeed.com/articles/docker-connection-refused/
• https://www.freecodecamp.org/news/how-to-get-a-docker-container-ip-address-explained-with-examples/

How to Get A Docker Container IP Address

1. Find out your Docker Network

$ docker network ls

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How to STOP ALL docker containers

docker stop $(docker ps -q)

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Git aliases

Run the following commands in order to create some git aliases for our projects.

$ git config --global alias.co checkout
$ git config --global alias.br branch
$ git config --global alias.ci commit
$ git config --global alias.st status

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How to create .bash_aliases file

In order to keep ~/.bashrc file as clean as possible, we'll put our aliases into ~/.bash_aliases file. In some linux distributions, .bash_aliases file comes by default and it's already created. So first, let's check it out ~/.bashrc file and look for the following lines.

# Alias definitions.
# You may want to put all your additions into a separate file like
# ~/.bash_aliases, instead of adding them here directly.

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Tmux shortcuts & cheatsheet

start new:

tmux

start new with session name:

tmux new -s myname

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How to upgrade Magento 2 version

Its good to take a backup before doing any update

mysqldump -hdb -uroot -p magento > storm_yyyymmdd.sql

Make sure if you have any third party extension that is compatible with the latest version of magento 2 or download it and update it for the same.

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Replace a string in multiple files

Case sensitive:

find ./ -type f -exec sed -i 's/string1/string2/g' {} \;

Case insensitive:

find ./ -type f -exec sed -i 's/string1/string2/gI' {} \;

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Print Magento 2 handles (Just for testing purposes)

protected $resultPageFactory;

public function __construct(
    Context $context,
    \Magento\Framework\View\Result\PageFactory $resultPageFactory
)
{

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Extract Files

tar -xvf file.tar
tar -xzvf file.tar.gz
tar -xjvf file.tar.bz2
tar -xf file.tar.xz

Note: you need xz-utils package for xz files

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Tmux - Command Guide

Non-interactive commands

$ tmux: Open a new session

$ tmux ls: List tmux sessions

$ tmux a: Attach the last session