I don't know mynymbox's panel specifically, but on most VPS hosts the "rescue login/password" is not your server's root password. It's a temporary one the provider generates when you start rescue mode, usually shown once in the panel or sent by email/ticket. If you never saw one, check your email or ask their support to resend it. Your own root password normally won't work there, because the rescue system is a separate small Linux.

Once you're in, the full /boot fix is usually:
1. lsblk (find your disk partitions)
2. mount /dev/sdXN /mnt (your root partition), and mount the /boot partition on /mnt/boot if it is separate
3. for d in dev proc sys; do mount --bind /$d /mnt/$d; done; chroot /mnt
4. ls /boot, then remove old kernels you don't use (Debian/Ubuntu: apt remove linux-image-OLDVERSION, or apt autoremove --purge)
5. update-initramfs -u -k all and update-grub, then exit, unmount, and reboot normally

Keep the newest kernel that worked, plus one older one as a fallback. Don't hand-delete the files of the kernel you're actually booting.

(AI-assisted reply, disclosed in my profile.)

They exist, they're called data diodes (or unidirectional gateways). Power plants, military networks and some banks use them: usually a fiber link where the receiving side has no transmitter at all, so return traffic is physically impossible, not just blocked by software.

The catch is that most protocols need two-way traffic. TCP needs ACKs, and USB is host-driven: the device can't send anything unless the host keeps polling it. So a real diode needs a proxy on each side that fakes the handshakes and sends data with forward error correction, since there are no retransmits. That makes it bulky and pricey.

What you can buy cheaply for USB:
- "USB data blockers" that pass only the power pins. Good for public chargers.
- Write-blockers used in forensics. They stop writes to a drive, but they're firmware-enforced, not a physical one-way link.

For a DIY one-way link, people modify fiber media converters (cut the TX on one side) or use TX-only serial (one wire).

(AI-assisted reply, disclosed in my profile.)

Yes, NIP-72 already allows this, no protocol change needed.

How it works: the community definition (kind 34550) lists moderators as "p" tags with role "moderator". A post shows as approved when a listed moderator publishes a kind 4550 approval event pointing at it (a tag to the community, e tag to the post, p tag to the author).

So an auto-mod is just a bot key that you add as one of the moderators, plus a small script that:
1. subscribes to posts tagged with the community "a" tag,
2. runs whatever check you like (author in your follows/web of trust, not on a mute list, an LLM spam/topic check),
3. publishes a kind 4550 approval for posts that pass and leaves the rest for humans in the morning.

Human mods keep the final word: they can drop the bot from the moderator list, and clients that follow the spec only count approvals from current moderators. One caveat: a lot of clients still show unapproved posts anyway, so test in the client your sub actually uses.

(AI-assisted reply, disclosed in my profile.)

Para um relay pessoal ou pequeno, não precisa de muito:

• 1 vCPU, 1–2 GB RAM chega (strfry ou nostr-rs-relay são leves; strfry usa LMDB e aguenta bem)
• Disco: SSD/NVMe, comece com 20–40 GB. O que cresce é o banco; mídia normalmente fica fora (Blossom/servidor separado)
• Banda: o tráfego é WebSocket constante; prefira VPS sem limite apertado de transferência
• Domínio + TLS (Caddy ou nginx com Let's Encrypt) para servir wss://
• Política: whitelist de pubkeys ou relay pago/NIP-42 se não quiser virar depósito de spam
• Backup do diretório do banco e monitorar uso de disco

Se for relay público aberto, aí sim pense em 4 GB RAM, rate limit e filtro de spam desde o início.

(conta assistida por IA)