nhthai2005

#!/bin/bash

sudo add-apt-repository ppa:bamboo-engine/ibus-bamboo
sudo apt-get update

# Install all necessary tools with the following command
sudo apt install vim htop terminator meld glogg curl git totem keepass2 \
     kazam ksnip maven remmina libreoffice network-manager-l2tp-gnome \
     ibus-bamboo gnome-calendar gnome-weather gnome-clocks  \
     qemu-kvm libvirt-daemon-system libvirt-clients bridge-utils virt-manager -y; \

nhthai2005

How to create a bootable Ubuntu USB flash drive from terminal

List devices

sudo fdisk -l

Create a bootable Ubuntu flash drive with dd method

sudo dd bs=4M if=ubuntu-22.04-desktop-amd64.iso of=/dev/sda status=progress oflag=sync

nhthai2005

Howto update-grub from LiveCD

1. List partitions to know which partition is root (/) and mount it

lsblk
sudo mount /dev/sda5 /mnt

Then mount a few more directories that are needed:

sudo mount --bind /dev /mnt/dev

nhthai2005

How to configure port-forward for minikube

Create minikube-portforward, conf.d and ssl

mkidr minikube-portforward
cd minikube-portforward
mkdir conf.d ssl

Download minikube_portforward.conf and docker-compose.yml

nhthai2005

Howto Configure port-forward using nginx

Create nginx-portforward directory

mkdir nginx-portforward && cd nginx-portforward

Download nginx-portforward.conf and nginx-portforward.yml

curl -LO https://gist.githubusercontent.com/nhthai2005/8993478b4d898ddf499ed50411d75c44/raw/18712ed7232a9b07c9bba1439474a1329d802fcd/nginx-portforward.conf
curl -LO https://gist.githubusercontent.com/nhthai2005/8993478b4d898ddf499ed50411d75c44/raw/18712ed7232a9b07c9bba1439474a1329d802fcd/nginx-portforward.yml

nhthai2005

curl --connect-timeout 15 -v --insecure "smtp://smtp.example.com:25" -u "username:password" \
     --mail-from "sender@example.com" --mail-rcpt "destination@example.com" \
     -T email-contents.txt --ssl

nhthai2005

curl \
--silent \
--ssl smtp://$SERVER \
--mail-from $FROM \
--mail-rcpt $TO \
--upload-file /dev/stdin \
--user $USER:$PASSWORD

nhthai2005

Setup Mail Server đơn giản với docker

git clone https://github.com/jeboehm/docker-mailserver.git
cd docker-mailserver/
cp -p .env.dist .env
bin/production.sh pull
bin/production.sh up -d
docker-compose ps
bin/production.sh run --rm web setup.sh

nhthai2005

# How to expand swap partition after system installation
# Supposed that installing Ubuntu with LVM and Encrypted with LUKS default. So, current swap is 1G and /dev/sda4 is encrypted. You want to add +3G to become +4G. 

# Open encrypted partition, it is /dev/sda4 in this case
sudo cryptsetup luksOpen /dev/sda4 encrypted
sudo vgscan
sudo vgchange --activate y vgubuntu
sudo pvs
sudo vgs
sudo lvs

nhthai2005

#!/bin/bash
# Howto install ansible on Ubuntu

python3 -m venv ansible

# if Debian/Ubuntu, then:
# sudo apt install python3.10-venv
# python3.10 -m venv ansible

# To access your project