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# Instalare Docker pe Ubuntu

### Pasul 1: Șterge versiuni vechi

```bash
sudo apt remove docker docker.io -y
```

***

### Pasul 2: Instalare

```bash
sudo apt update
sudo apt install docker-ce docker-ce-cli containerd.io -y
```

***

### Pasul 3: Pornește Docker

```bash
sudo systemctl start docker
sudo systemctl enable docker
```

***

### Pasul 4: Test

```bash
docker run hello-world
```

***

### Pasul 5: Fără sudo

```bash
sudo usermod -aG docker $USER
newgrp docker
```

***

### Comenzi utile

```bash
docker ps
docker images
```

***

### Gata 🐳

Docker este pregătit.