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February 2, 2021

Install Jekyll on Amazon Linux 2

Here’s the script to install Jekyll on Amazon Linux 2.

#!/bin/bash
sudo hostnamectl set-hostname jekyll
sudo yum update -y
sudo amazon-linux-extras install ruby2.4 -y
sudo yum install ruby ruby-devel -y
sudo yum groupinstall "Development Tools" -y
sudo gem install bundler 
sudo gem install rdoc
sudo gem update --system
sudo gem install jekyll
jekyll new myblog

#!/bin/bash sudo hostnamectl set-hostname jekyll sudo yum update -y sudo amazon-linux-extras install ruby2.4 -y sudo yum install ruby ruby-devel -y sudo yum groupinstall "Development Tools" -y sudo gem install bundler sudo gem install rdoc sudo gem update --system sudo gem install jekyll jekyll new myblog

To start the Jekyll server.

cd mysite
jekyll build
jekyll serve --host 0.0.0.0

cd mysite jekyll build jekyll serve --host 0.0.0.0

Open your browser and point it to the external IP of your instance on port 4000.

http://xxx.xxx.xxx.xxx:4000

http://xxx.xxx.xxx.xxx:4000

You may to edit your security group to allow ingress 4000 from 0.0.0.0/0.

January 18, 2021

Install Docker on Ubuntu 20.04 LTS

Here’s the script how to install Docker on Ubuntu 20.04 LTS.

#!/bin/bash
sudo apt-get update
# install dependencies
sudo apt-get -y install apt-transport-https ca-certificates curl software-properties-common
# add the gpg key for docker
curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add -
# add the repository in the Linux mint 20
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"
sudo apt-get update
# install docker e docker-compose
sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable"
sudo apt-get -y install docker-ce docker-compose
# add the user system to sudo group, no sudo command
sudo usermod -aG docker $USER
# prints docker version =)
docker --version

#!/bin/bash sudo apt-get update # install dependencies sudo apt-get -y install apt-transport-https ca-certificates curl software-properties-common # add the gpg key for docker curl -fsSL https://download.docker.com/linux/ubuntu/gpg | sudo apt-key add - # add the repository in the Linux mint 20 sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable" sudo apt-get update # install docker e docker-compose sudo add-apt-repository "deb [arch=amd64] https://download.docker.com/linux/ubuntu $(. /etc/os-release; echo "$UBUNTU_CODENAME") stable" sudo apt-get -y install docker-ce docker-compose # add the user system to sudo group, no sudo command sudo usermod -aG docker $USER # prints docker version =) docker --version

December 24, 2020

Yum localinstall

Here’s how to install a RPM locally. Download the RPM first.

wget https://domain.com/path/to/file/rpmfile1.rpm
wget https://domain.com/path/to/file/rpmfile2.rpm

wget https://domain.com/path/to/file/rpmfile1.rpm wget https://domain.com/path/to/file/rpmfile2.rpm

Then install RPM from a local file.

yum localinstall /path/to/rpmfile1.rpm
yum localinstall /path/to/rpmfile2.rpm

yum localinstall /path/to/rpmfile1.rpm yum localinstall /path/to/rpmfile2.rpm

June 28, 2020

AWS CLI V2

How to install AWS CLI version 2.

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip"
unzip awscliv2.zip
sudo ./aws/install

curl "https://awscli.amazonaws.com/awscli-exe-linux-x86_64.zip" -o "awscliv2.zip" unzip awscliv2.zip sudo ./aws/install

March 19, 2020

Nmap

Here’s how to list all the devices on your network using nmap.

nmap -sn 192.168.0.0/24

nmap -sn 192.168.0.0/24

If nmap is not installed, install it.

yum install nmap
apt install nmap

yum install nmap apt install nmap

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