teterkin

#!/bin/bash

# Configuration

GITLAB_URL="https://<GITLAB_URL>"

# To get Token click on your avatar in Gitlab UI, then click Preferences, and then Access tokens
# To clone repo you need only read_repository scope — This scope provides read-only access to the repository, allowing you to perform git clone, git pull, and git fetch operations.
PRIVATE_TOKEN="<YOUR_GITLAB_PERSONAL_ACCESS_TOKEN>"

teterkin

#!/bin/bash

# This scipts displays what controls the Network on your Linux

GREEN='\033[0;32m'
NC='\033[0m'

echo

if [ "$(id -u)" -eq 0 ]; then

teterkin

#!/bin/bash

# Extra info is here: https://kubernetes.io/docs/tasks/access-application-cluster/configure-access-multiple-clusters/

echo
echo "> ${0} script adds Kubernetes configuration to Kubeconfig file"
echo "> Press ENTER to continue or Comtrol-C to Exit..."
echo
READ zz

teterkin

Установка HashiCorp Packer в Ubuntu с помощью Ansible

Ansible устанавливается стандартно из репозитория Ubuntu:

1. sudo apt update
2. sudo apt install ansible
3. Нажать Y для подтверждения установки Ansible.

Ниже приведен файл install_packer.yml содержащий Ansible Playbook.

teterkin

#!/bin/bash

# MakeSlideShow.sh - Simple utility to create Ubuntu 20.10 XML file for slideshow from all the images in given folder.
#
#                    Note! You will need gnome-tweaks app to add your XML
#                    as your wallpaper slideshow (Appearance > Background > Image)
#                    or as your lock screen slideshow (Appearance > Lock Screen > Image).
#
#                    Change WDIR, XMLFile and WPFolder variables to fit your environment:
#                    - WDIR - directory for your XML file and backups.

teterkin

#!/bin/bash

echo -----------------------------------------------------
echo Installing Dependancies and Deploying the Application
echo -----------------------------------------------------

CHECK=$(ps -ef | grep -v grep | grep -c puma)
if [ "$CHECK" -ge 1 ]; then
  echo "Puma is running already. Exiting..."
  exit 0

teterkin

#!/bin/bash

echo -------------------------------
echo Installing and Starting MongoDB
echo -------------------------------

sudo rm /etc/apt/sources.list.d/mongodb*.list
sudo apt install apt-transport-https
sudo apt-key adv --keyserver hkp://keyserver.ubuntu.com:80 --recv D68FA50FEA312927 && \
echo "deb [ arch=amd64 ] https://repo.mongodb.org/apt/ubuntu xenial/mongodb-org/3.2 multiverse" | sudo tee /etc/apt/sources.list.d/mongodb-org-3.2.list && \

teterkin

#!/bin/bash

echo ---------------------------
echo Installing Ruby and Bundler
echo ---------------------------

sudo apt update && \
sudo apt install -y ruby-full ruby-bundler build-essential && \
ruby -v && \
bundler -v

teterkin

FWIW: I didn't produce the content presented here (the outline from Edmond Lau's book). I've just copy-pasted it from somewhere over the Internet, but I cannot remember what exactly the original source is. I was also not able to find the author's name, so I cannot give him/her the proper credits.

---

Effective Engineer - Notes

• By Edmond Lau
• Highly Recommended 👍
• http://www.theeffectiveengineer.com/

What's an Effective Engineer?

teterkin

Latency Comparison Numbers (~2012)
----------------------------------
L1 cache reference                           0.5 ns
Branch mispredict                            5   ns
L2 cache reference                           7   ns                      14x L1 cache
Mutex lock/unlock                           25   ns
Main memory reference                      100   ns                      20x L2 cache, 200x L1 cache
Compress 1K bytes with Zippy             3,000   ns        3 us
Send 1K bytes over 1 Gbps network       10,000   ns       10 us
Read 4K randomly from SSD*             150,000   ns      150 us          ~1GB/sec SSD