wget -O - https://raw.githubusercontent.com/dreammaker97/setup-ubuntu/main/start.sh | sudo bash

Tree: 
find . | sed -e "s/[^-][^\/]*\// |/g" -e "s/|\([^ ]\)/|-\1/"

Compress
tar czf name.tar.gz /root/directory

Tranfer file over ssh:
ssh -i "/root/vpskey/Tuananh1997.pem" 13.213.10.245 -l ubuntu

scp -i "/root/vpskey/Tuananh1997.pem" ubuntu@13.213.10.245:/home/ubuntu/nmap/1.txt /root/nmap/1.txt

scp root@192.168.1.210:/root/nmap/1.txt C:\Users\PHAMTUANANH\Downloads

Run in background

jobs -l

disown [id]

ps aux

chmod -R 777 /root/nginx

apt install dos2unix
dos2unix /var/spool/cron/crontabs/root

systemctl start astra

// install extension gd php-fpm:
docker exec -it nginx-server_php-fpm_1 sh
apk update
apk add libpng-dev
apk add freetype-dev
apk add libjpeg-turbo-dev
docker-php-ext-configure gd --with-freetype
docker-php-ext-install gd

apk --no-cache add python3 py3-pip git
python3 -m venv /path/to/venv
source /path/to/venv/bin/activate
pip3 install pandas pandas-ta git+https://github.com/rongardF/tvdatafeed.git
pip3 install numpy==1.24.4 --force-reinstall

-> file browser: /root/nginx-server/src/data/src/jpgraph/src/jpg-config.inc.php
define('TTF_DIR','/root/nginx-server/src/data/src/jpgraph/src/fonts/');

// unzip
unzip filename.zip