install with in ubuntu
`apt install nano micro nginx  certbot python3-certbot-nginx btop tmux
openjdk-21-jre-headless:amd64 nodejs`

for minimum npm install do this
`apt install npm --no-install-recommends`

also install pm2
`npm install pm2@latest -g`

before doing this so `apt update` for indexing

some other through executables
broot, dua

when extracting tar.gz use this
`tar -xzvf filename.tar.gz` and when only .tar then use `-xvf` and dont use `z`.

or for destination
`tar -xzvf example.tar.gz -C /path/to/destination/` 

to copy everything including root files do this
`cp -r /source/directory/* /destination/directory/` : this will copy regular files
`cp -r /source/directory/.* /destination/directory/` : this will copy dotfiles


projects

1. quiz management site : spring project
```sh
    cd ~/projects/java/quiz_app
    java -jar demo-0.0.1-SNAPSHOT.jar 
```
2. dropzone
```sh
    cd ~/projects/node/hostfile_project/main
    pm2 start ecosystem.config.js  --no-daemon
    
```
3. movie recommendation site
```sh
    cd ~/projects/node/movie_back
    npm start
```

4. smart-brain
```sh
    cd ~/projects/node/face-extractor/smart-brain
    npm start
```

5. unofficial blog
```sh
     cd ~/projects/static/unofficial_blog_build
     python3 -m http.server 9020
```

after this expose port 80 and 443 so these sites can be access to main host
`podman run -itd -p 80:80 -p 443:443 --name vps1 vps-image:v1 /bin/bash`
and 
`podman exec -it vps1 bash`

start/reload nginx inside by
`nginx -s reload`
and
to stop and rm container name
`podman stop vps1 && podman rm vps1`