yalattas

Tmux Command Cheatsheet

This is a quick reference for the most common tmux commands. Remember to press the prefix key combination (Ctrl+b by default) before pressing the command key.

Action	Command (after Ctrl+b)	Description
Session Management
Detach from session	d	Detach from the current session, leaving it running.
List sessions	s	Show a list of all sessions to switch between them.
Rename current session	$	Give the current session a new name.

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Package Installation Guide

This guide explains how to set up your local environment to install packages from our GitHub Package Registry.

Generate GitHub Personal Access Token (Classic)

1. Go to GitHub Settings:
   • Click your profile photo in the top right
   • Select "Settings"
   • Scroll down to "Developer settings" (bottom left)

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root

openssl pkcs12 -export -out rootca.pfx -in <FILE_NAME>.pem -nokeys

certificate

openssl pkcs12 -export -out mycert.pfx -inkey private.pem -in public.crt

---

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creation_rules:
  - filename_regex: '.*/secrets\.y(a)?ml$' # looking for all `secrets.yaml` files and encrypt
    kms: 'arn:aws:kms:AWS_REGION:12345678912:alias/KMS_ALIAS'
    aws_profile: PROFILE

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import logging

# create a new logger
logger = logging.getLogger('main')

# set logger level
logger.setLevel(logging.DEBUG)

# stream log into console by creating a handler

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## checkout to all branches in remote
```
#!/bin/bash

#Whenever you clone a repo, you do not clone all of its branches by default.
#If you wish to do so, use the following script:

for branch in `git branch -a | grep remotes | grep -v HEAD | grep -v main `; do
   git branch --track ${branch#remotes/origin/} $branch
done

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ERPnext VM deployment

server

sudo timedatectl set-timezone "Asia/Riyadh"

sudo apt-get update -y
sudo apt-get upgrade -y
sudo reboot

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openssl

establish secure connection using Curl

1. fetch public certificate to a website

openssl s_client -connect example.com:443 -showcerts </dev/null 2>/dev/null | openssl x509 -outform PEM > ca.crt

2. generate self-signed certificate

openssl req -newkey rsa:2048 -nodes -keyout client.key -x509 -days 365 -out client.crt

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ssh-keygen -t rsa -b 4096 -N '' -C "rthijssen@gmail.com" -f ~/.ssh/id_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "rthijssen@gmail.com" -f ~/.ssh/github_rsa
ssh-keygen -t rsa -b 4096 -N '' -C "rthijssen@gmail.com" -f ~/.ssh/mozilla_rsa