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.claude/skills/rex/SKILL.md  view on Meta::CPAN

set connection => 'LibSSH';

# All Rex file operations now work without SFTP:
file '/etc/hostname', content => "myhost\n";
delete_lines_matching '/etc/fstab', matching => qr/\sswap\s/;
host_entry 'myhost.internal', ip => '127.0.1.1', aliases => ['myhost'];
```

Authentication:
```perl
Rex::Config->set_private_key('/root/.ssh/id_ed25519');
Rex::Config->set_public_key('/root/.ssh/id_ed25519.pub');
```

Host key checking is disabled by default (`strict_hostkeycheck => 0`).

## Workspace Distributions

### Rex::GPU (`rex-gpu`)

```perl

eg/Rexfile  view on Meta::CPAN

use Rex::Rancher::Agent;
use Rex::Rancher::Node;
use Rex::Rancher::Server;
use Rex::Rancher::Cilium;

my $key  = $ENV{REX_KEY}  || "$ENV{HOME}/.ssh/id_ed25519";
my $user = $ENV{REX_USER} || 'root';

set connection  => 'LibSSH';
set user        => $user;
set private_key => $key;
set public_key  => "$key.pub";
set auth        => 'key';

desc 'Detect GPUs on the host';
task 'detect', sub {
    my $gpus = Rex::GPU::gpu_detect();

    if (@{ $gpus->{nvidia} // [] }) {
        for my $gpu (@{ $gpus->{nvidia} }) {
            Rex::Logger::info("NVIDIA: $gpu->{name}" . ($gpu->{compute} ? " (compute)" : ""));

eg/hetzner-gpu.pl  view on Meta::CPAN

use Rex -feature => ['1.4'];
use Rex::LibSSH;
use Rex::GPU;
use Rex::Rancher;

my $key  = $ENV{REX_KEY}  || "$ENV{HOME}/.ssh/id_ed25519";
my $user = $ENV{REX_USER} || 'root';

set connection  => 'LibSSH';
set user        => $user;
set private_key => $key;
set public_key  => "$key.pub";
set auth        => 'key';

group 'avatar' => 'avatar.conflict.industries';

desc 'Full deploy: node prep + GPU drivers (reboot) + RKE2 + Cilium + device plugin';
task 'deploy', group => 'avatar', sub {
  rancher_deploy_server(
    distribution    => 'rke2',
    gpu             => 1,