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    patrick
192.168.1.19    pearl
192.168.1.20    karen

#
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>
```
#### Keys
```
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIBLk24u7FT8PhAdM8EVUFGlOi0hle4CW8L284E1foUhS julien@julien-pc
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIE6wr+DUbcfVTltoWT6gbPRY3geUYNhgN7/CLcMaMu0B eliot@toile-win
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKmttayKqj6Z290hMCc97v4dMZTSUz4lYgXR0NtcRr8U delmar@thinkpad

ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIFlta/YdJ0ztVpZsP/nh37Fn+H5Hxg/Mw+jR91f5Gf08 pleb@bob
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIN9mn7tuYWTPLbH2MViAkiKSUkXj4NauCUgzj778LoQ2 pleb@carlo
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIKL7A0xvHSfmWo+LUHdWWb03a5NXN1IlbLS5iSHxs3zw pleb@sandy
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHpnC0ftrLwzhsmonDtSvh38Oi5OGe1iOaQjlsm1RlD2 pleb@gary
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAII9USnPFJx/PbV+KnlTN4o3f4SwiuHCWaAlE8aKcY4Ne pleb@sheldon
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMrWtBN3yRh3PHG+7UUeRUIvhuMcwtR88FzUn4xS5FyV pleb@pearl
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIMfd7PrJ50jHrG6yjIJ5u7jKTyXi9mPn8/oa+HNAVNsf pleb@krabs
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIJtrn0Oj2IstMwzheIZcJGBA8RNWTyNtksaK2LhvjNul pleb@bernie
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIHh1LTS5PzsQ45xiRbyxBbCurI7JdEpdkCsbx3mlYaaR pleb@patrick
ssh-ed25519 AAAAC3NzaC1lZDI1NTE5AAAAIAaOsYNLsoYcXDV3I7zbJABeIo7CJOdMxUN86rH1/IH9 pleb@karen

ssh-rsa   NVIDIA-SDK-Manager
```


===
### Map

```markdown
. bikiniBottom
├── bob          (192.168.1.11) # caddy (offline)
├── carlo        (192.168.1.12) # nfs server (backups)
├── turing-pi    (192.168.1.10)
|   ├── gary     (192.168.1.13)
|   ├── sandy    (192.168.1.14)
|   ├── sheldon  (192.168.1.16)
|   └── pearl    (192.168.1.19)
├── patrick      (192.168.1.18)
├── karen        (192.168.1.20) # jetson
├── 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

```bash
         _,met$$$$$gg.           pleb@bob
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: x86_64 Linux 6.12.85+deb13-amd64
   ,$$P'              `$$$.      Uptime: 13m
  ',$$P       ,ggs.     `$$b:    Packages: 412
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,5G / 35G (5%)
   $$:      $$.   -    ,d$$'     CPU: Intel Atom E3950 @ 4x 2GHz [38.0°C]
   $$\;      Y$b._   _,d$P'      GPU: HD Graphics 505
   Y$$.    `.`"Y$$$$P"'          RAM: 517MiB / 15843MiB
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""           

```

### carlo

```bash
         _,met$$$$$gg.           pleb@carlo
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: x86_64 Linux 6.12.90+deb13.1-amd64
   ,$$P'              `$$$.      Uptime: 2m
  ',$$P       ,ggs.     `$$b:    Packages: 429
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,6G / 269G (1%)
   $$:      $$.   -    ,d$$'     CPU: Intel Atom E3950 @ 4x 2GHz [35.0°C]
   $$\;      Y$b._   _,d$P'      GPU: HD Graphics 505
   Y$$.    `.`"Y$$$$P"'          RAM: 432MiB / 15843MiB
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""            

```

### gary

```bash
         _,met$$$$$gg.           pleb@gary
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.18.35-current-rockchip64
   ,$$P'              `$$$.      Uptime: 2m
  ',$$P       ,ggs.     `$$b:    Packages: 309
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,7G / 974G (1%)
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 Cortex-A76 @ 8x 1,8GHz
   $$\;      Y$b._   _,d$P'      RAM: 441MiB / 15713MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""
```

### sandy

```bash
        _,met$$$$$gg.           pleb@sandy
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.18.35-current-rockchip64
   ,$$P'              `$$$.      Uptime: 2m
  ',$$P       ,ggs.     `$$b:    Packages: 309
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,7G / 970G (1%)
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 Cortex-A76 @ 8x 1,8GHz
   $$\;      Y$b._   _,d$P'      RAM: 402MiB / 7683MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""
```

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

```bash
         _,met$$$$$gg.           hostname: krabs
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 12 bookworm
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.1.0-41-arm64
   ,$$P'              `$$$.      Uptime: 
  ',$$P       ,ggs.     `$$b:    Packages: 585
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.15
   $$P      d$'     ,    $$P     Disk: 7.2TB
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 @ 4x 1.8GHz
   $$\;      Y$b._   _,d$P'      RAM: 7690MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""           
```

### sheldon

```bash
         _,met$$$$$gg.           pleb@sheldon
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.18.35-current-rockchip64
   ,$$P'              `$$$.      Uptime: 3m
  ',$$P       ,ggs.     `$$b:    Packages: 309
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,7G / 974G (1%)
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 Cortex-A76 @ 8x 1,8GHz
   $$\;      Y$b._   _,d$P'      RAM: 445MiB / 15713MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""
```

### pearl
```bash
         _,met$$$$$gg.           pleb@pearl
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 13 trixie
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.18.35-current-rockchip64
   ,$$P'              `$$$.      Uptime: 3m
  ',$$P       ,ggs.     `$$b:    Packages: 309
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.37
   $$P      d$'     ,    $$P     Disk: 1,7G / 952G (1%)
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 Cortex-A76 @ 8x 1,8GHz
   $$\;      Y$b._   _,d$P'      RAM: 473MiB / 15713MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""
```

### bernie

```bash
         _,met$$$$$gg.           hostname: bernie
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 12 bookworm
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.1.0-41-arm64
   ,$$P'              `$$$.      Uptime: 
  ',$$P       ,ggs.     `$$b:    Packages: 988
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.15
   $$P      d$'     ,    $$P     Disk: 265G
   $$:      $$.   -    ,d$$'     CPU: ARM Cortex-A55 @ 4x 1.8GHz
   $$\;      Y$b._   _,d$P'      RAM: 3737MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""           
```

### patrick

```bash
         _,met$$$$$gg.           pleb@patrick
      ,g$$$$$$$$$$$$$$$P.        OS: Debian 12 bookworm
    ,g$$P""       """Y$$.".      Kernel: aarch64 Linux 6.6.89-3-sky1
   ,$$P'              `$$$.      Uptime: 3m
  ',$$P       ,ggs.     `$$b:    Packages: 1535
  `d$$'     ,$P"'   .    $$$     Shell: bash 5.2.15
   $$P      d$'     ,    $$P     Disk: 6,1G / 955G (1%)
   $$:      $$.   -    ,d$$'     CPU: CIX P1 CD8180 @ 12x 2,6GHz
   $$\;      Y$b._   _,d$P'      RAM: 7265MiB / 31675MiB
   Y$$.    `.`"Y$$$$P"'         
   `$$b      "-.__              
    `Y$$                        
     `Y$$.                      
       `$$b.                    
         `Y$$b.                 
            `"Y$b._             
                `""""
```

### karen

```bash
                          ./+o+-       pleb@karen
                  yyyyy- -yyyyyy+      OS: Ubuntu 22.04 jammy
               ://+//////-yyyyyyo      Kernel: aarch64 Linux 5.15.185-tegra
           .++ .:/++++++/-.+sss/`      Uptime: 5m
         .:++o:  /++++++++/:--:/-      Packages: 2136
        o:+o+:++.`..```.-/oo+++++/     Shell: bash 5.1.16
       .:+o:+o/.          `+sssoo+/    Disk: 11G / 937G (2%)
  .++/+:+oo+o:`             /sssooo.   CPU: ARMv8 rev 1 (v8l) @ 6x 1,344GHz
 /+++//+:`oo+o               /::--:.   GPU: Orin (nvgpu)
 \+/+o+++`o++o               ++////.   RAM: 918MiB / 7607MiB
  .++.o+++oo+:`             /dddhhh.  
       .+.o+oo:.          `oddhhhh+   
        \+.++o+o``-````.:ohdhhhhh+    
         `:o+++ `ohhhhhhhhyo++os:     
           .o:`.syhhhhhhh/.oo++o`     
               /osyyyyyyo++ooo+++/    
                   ````` +oo+++o\:    
                          `oo++.
```
