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Ubuntu: Use Private NTP Server
Status For hosts in isolated VLANS, we provide access to a local NTP server, via firewall rules....
Hashicorp Vault Setup
Here are steps for setting up a secrets store using Hashicorp Vault, on Ubuntu 24. References L...
HashiCorp Vault Cluster Unseal
These steps are for a new vault cluster that has been configured and started up, but is in an uns...
Handling Vault Node Restart
Each time a Vault node restarts, you will have to unseal it, so that it can participate in the cl...
NTP Server
Here are some useful commands when running a GPS-disciplined NTP server. See this page for the l...
Generate Certificates with Hashicorp Vault
Here are steps to generate SSL certificates using HashiCorp Vault as an Intermediate CA. NOTE: B...
Vault as Intermediate CA
Here are instructions for setting up a vault instance as an Intermediate CA. NOTE: This page ass...
Vault Administrative Setup
Once you have a vault instance or cluster unsealed, you can setup auditing, and administrative po...
Vault Wrapping Tokens
When creating access tokens for HashiCorp Vault, you always want to prevent them from falling int...
Vault Token Administration
Here are notes on access token administration. Be sure that you've already setup an administrati...
Clustering HashiCorp Vault
Here are special instructions for setting up a vault cluster. NOTE: See the regular setup page f...
Vault Single-Node Unseal
Here are instructions on how to unseal a single-node vault cluster. Vault CLI Comms For the vau...
Linux SSH Key Management
See this article for an update based on obsolete SHA-1 RSA key usage: Ubuntu 22.04 SSH the RSA ke...
Linux: Manually Installing SSH Keys
Here's some steps on how to manually install SSH public keys in a host. 1. SSH Key Folder Navig...
Adding SSH Keys with CAT
Here's a quick and dirty way to upload SSH keys to a remote user account, using the CAT command. ...
Adding SSH Keys with ssh-copy-id
If you are attempting to add an SSH key (to a Linux host), from another Linux host, you can use a...
Ubuntu: Setup SSH Server
Here are steps to setup the SSH server on an Ubuntu host. Here's a good reference article for ho...
Linux: Disabling Password Authentication
Once you have confirmed that you have SSH key access to a Linux host (using SSH without a passwor...
Authenticating to Linux Server with SSH Keys
Once you have configured the server with SSH key authentication, you can follow this to attempt c...
Connecting to SSH Server from Windows
Here’s a list of steps to connect with an SSH server from a Windows PC using SSH key authenticati...