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SSH: keys, hardened sshd and bastion v1.0.0

Use this resource to set up secure SSH access to your servers

New

  • 367 downloads
  • 168 likes
  • 158 saves

Free

Install with the CLI

In a terminal, from the folder you want:

npx --yes palatekit@latest install ssh-keys-hardened-bastion

With no option, the skill goes to ~/.agents/skills/; add --agent claude-code (or codex, cursor…) to target an agent.

First time: connect the CLI with

npx --yes palatekit@latest login

The agent generates Ed25519 keys (or RSA 4096 for legacy compatibility), deploys them to servers, loads the SSH agent and prepares the sshd configuration for hardening. You get commands for key management and tunnels.

Mostly picked by

Updated November 2, 2026

Card for the “SSH: keys, hardened sshd and bastion” skill

Details

Works in
Install guides
Generates with
Your agent's model
Licence
MIT

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What you get

  • SKILL.md: key generation and deployment, SSH agent and time-limited keys
  • SKILL.md: sshd hardening, bastion hosts, port-forwarding tunnels and multiplexing

Good fit for

  • You provide secure remote access to Linux servers
  • You must harden sshd for a compliance audit

Not for

    Tags

    • ssh
    • keys
    • sshd
    • bastion
    • tunnel

    About

    You say

    “Generate an Ed25519 key for my team, deploy it to the production server and disable password authentication.”

    Card for the “SSH: keys, hardened sshd and bastion” skill

    Skill published by bagelhole under the MIT license, delivered in its original version.

    Show more

    How to use it

    1. Install the skill in your agent's skills folder
    2. Ask your agent to set up secure SSH access to your servers
    3. Review and adjust the result

    Content preview

    Files

    • LICENSE1.1 KB
    • NOTICE-PALATEKIT.md0.5 KB
    • SKILL.md9.4 KB

    Origin and licence

    Listed unmodified

    Author
    bagelhole
    Source
    github.com/bagelhole/devops-security-agent-skills/tree/0365f57a079b1332f95cf26e31dd2d5332a8399f/infrastructure/servers/ssh-configuration
    Licence
    MIT

    Notice

    « ssh-configuration » (bagelhole, MIT) livré dans sa version d'origine : fiche en français et en anglais par PalateKit.

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