AWS – Change or Add SSH keys

Learn how to easily generate and add a new public and private key pair to an AWS EC2 instance. This is useful if you ever need to replace a compromised key or provide ssh access to multiple users without sharing private keys.

Ubuntu – How to Change Hostname Without Rebooting

1. Update the current hostname sudo hostname new-hostname This command will instantly update the hostname which prevents having to reboot. It is not, however, persistent so your changes will be lost the next time you do reboot. 2. Update hostname File sudo nano /etc/hostname Delete the current hostname and replace it with yours. This makes … Continued

×Mike Everhart

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