Hosts
===

## Hosts / IPs

```bash
sudo vim /etc/hosts
```

```bash
127.0.0.1       localhost
127.0.1.1       <host>.local <host>

# The following lines are desirable for IPv6 capable hosts
::1             ip6-localhost ip6-loopback
fe00::0         ip6-localnet
ff00::0         ip6-mcastprefix
ff02::1         ip6-allnodes
ff02::2         ip6-allrouters
ff02::3         ip6-allhosts

#
192.168.1.11    bob
192.168.1.12    carlo
192.168.1.13    gary
192.168.1.14    sandy
192.168.1.15    krabs
192.168.1.16    sheldon
192.168.1.17    bernie
# 192.168.1.18    pearl

#
192.168.1.53    retropie
```

### SSH
#### On remote (PC) :

```bash
ssh-keygen -t ed25519
​
ssh-copy-id -f -i ~/.ssh/id_ed25519.pub pleb@192.168.1.xxx
​
ssh-copy-id -f -i ~/.ssh/id_ed25519.pub pleb@<hostname>
```

===
### Map

```markdown
. bikiniBottom
├── bob          (192.168.1.11) # caddy
├── carlo        (192.168.1.12) # stream
├── turing-pi    (192.168.1.10)
|   ├── gary     (192.168.1.13)
|   ├── sandy    (192.168.1.14)
|   ├── sheldon  (192.168.1.16)
|   └── pearl    (192.168.1.18) # En attente
├── krabs        (192.168.1.15) # nfs server
├── bernie       (192.168.1.17) # octoprint
| ------------------------------
└── retropie     (192.168.1.53)
```

[![bikiniBottom.webp](https://bookstack.delmar.bzh/uploads/images/gallery/2025-01/scaled-1680-/FAAaSpaRwVvu0HVc-bikinibottom.webp)](https://bookstack.delmar.bzh/uploads/images/gallery/2025-01/FAAaSpaRwVvu0HVc-bikinibottom.webp)

### bob

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk356"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3566 (4/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.11</td></tr><tr><td colspan="1" rowspan="1">Static hostname: bob  
Pretty hostname: Compute Module n° 1  
Icon name: computer  
Machine ID: b1cb31b775024e039647ff5f6630d7ed  
Boot ID: 2389279c30484c189b683e0cb42498e2  
Operating System: Debian GNU/Linux 12 (bookworm)  
Kernel: Linux 6.1.0-18-arm64  
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### carlo

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk356-1"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3566 (8/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.12</td></tr><tr><td colspan="1" rowspan="1">Static hostname: carlo  
Pretty hostname: Compute Module n° 2  
Icon name: computer  
Machine ID: f02bbee5724d4201b27cf1eedcf7a186  
Boot ID: eeece999704d4057b5b062fb48d490cb  
Operating System: Debian GNU/Linux 12 (bookworm)  
Kernel: Linux 6.1.0-18-arm64  
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### gary

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk358"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3588 (16/64 emmc)</td><td colspan="1" rowspan="1">192.168.1.13</td></tr><tr><td colspan="1" rowspan="1">Static hostname: sandy  
Pretty hostname: Compute Module n° 3  
Icon name: computer  
Machine ID: bdaf4ea1b105412ea9f7e44631adac33  
Boot ID: f72153ed179c4cc2b3df1614c2f93d48  
Operating System: Ubuntu 22.04.4 LTS  
Kernel: Linux 5.10.160-rockchip  
Architecture: arm64</td><td colspan="1" rowspan="1">  
</td></tr></tbody></table>
</div>

---

### sandy

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk358-1"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3588 (8/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.14</td></tr><tr><td colspan="1" rowspan="1">Static hostname: sandy  
Pretty hostname: Compute Module n° 4  
Icon name: computer  
Machine ID: bdaf4ea1b105412ea9f7e44631adac33  
Boot ID: f72153ed179c4cc2b3df1614c2f93d48  
Operating System: Ubuntu 22.04.4 LTS  
Kernel: Linux 5.10.160-rockchip  
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### krabs ([NFS Server](https://bookstack.delmar.bzh/books/turing-pi/page/nfs-server "NFS Server"))

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk356-3"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3566 (4/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.15</td></tr><tr><td colspan="1" rowspan="1">Static hostname: krabs  
Pretty hostname: NFS Server  
Icon name: computer  
Machine ID: 723d4f09b6db47a282ff51544a27f6fb  
Boot ID: 9c008d0c84e04bf9a69fa713a83adfcb  
Operating System: Debian GNU/Linux 12 (bookworm)  
Kernel: Linux 6.1.0-18-arm64  
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### sheldon

<div class="table-wrapper" id="bkmrk-hardware-ip-odroid-h"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">Odroid HC4 (4/256 M2 SSD)</td><td colspan="1" rowspan="1">192.168.1.16</td></tr><tr><td colspan="1" rowspan="1">Static hostname: sheldon  
Pretty hostname: The Venerable  
Icon name: computer  
Machine ID: df84154b596a409fbdc89e877f1f3ed0  
Boot ID: e4911ef2b66f4f53b8ac6ae244d6ad44  
Operating System: Debian GNU/Linux 12 (bookworm)   
Kernel: Linux 6.1.0-odroid-arm64  
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### bernie

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk356-2"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3566 (4/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.17</td></tr><tr><td colspan="1" rowspan="1">Static hostname: bernie  
Pretty hostname:   
Icon name: computer  
Machine ID:   
Boot ID:   
Operating System: Debian GNU/Linux 12 (bookworm)  
Kernel:   
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>

---

### pearl

<div class="table-wrapper" id="bkmrk-hardware-ip-cm-rk356-4"><table><tbody><tr><th colspan="1" rowspan="1">Hardware</th><th colspan="1" rowspan="1">IP</th></tr><tr><td colspan="1" rowspan="1">CM RK3566 (4/32 emmc)</td><td colspan="1" rowspan="1">192.168.1.18</td></tr><tr><td colspan="1" rowspan="1">Static hostname: bernie  
Pretty hostname:   
Icon name: computer  
Machine ID:   
Boot ID:   
Operating System: Debian GNU/Linux 12 (bookworm)  
Kernel:   
Architecture: arm64</td><td colspan="1" rowspan="1"> </td></tr></tbody></table>
</div>