# Fresh installation of Raspberian (RaspOS)

What is inside ?
```bash
free -h
df -hT | sort
```


[![](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-03/scaled-1680-/Oo5HytVaEhr68qee-image-1773774243813.png)](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-03/Oo5HytVaEhr68qee-image-1773774243813.png)


Lite (no-GUI)

[![](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-03/scaled-1680-/xJRADcGQOKZqyq3v-image-1774463901313.png)](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-03/xJRADcGQOKZqyq3v-image-1774463901313.png)

Add yourself privileged access
```bash
sudo su
nano /etc/sudoers.d/099_anton
```
```ini
anton ALL=(ALL:ALL) NOPASSWD: ALL
```
Verify (valuable is last command)
```bash
sudo -l -U anton
```
[![](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-05/scaled-1680-/TD7s7p0S2BAa3JVs-image-1777798623724.png)](https://storage.googleapis.com/iau-data-dox/uploads/images/gallery/2026-05/TD7s7p0S2BAa3JVs-image-1777798623724.png)

Install tmux (screen)
```bash
sudo su
apt install tmux

exit

tmux

sudo su
```

Install tools, utils
```bash
apt install \
    tcpdump \
    ncdu \
    htop
```

Update
```bash
apt update
apt upgrade
```


Remove not essential
```bash
apt remove \
    libcamera-ipa \
    librpicam-app1 \
    rpicam-apps-core
```

Is it worth to clean up for 8 MB? (need to search for memory consuming useless services.
```
Summary:
  Upgrading: 0, Installing: 0, Removing: 5, Not Upgrading: 0
  Freed space: 9,299 kB
```

Reboot
```bash
shutdown -r now
```



# rpi-connect
(installed during rpi-writer)


# rustdesk


# duckdns


# icinga agent