Tag: SSH
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GitHub: Key is Already in Use
PROBLEM When trying to add a SSH key in GitHub, an error “Key is already in use” is thrown even though you signed into GitHub using a different user account. SOLUTION The error occurs when the same SSH key has been added to a different account. This typically happens when you already have an existing… Read More…
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GCP: Pushing Codebase from IntelliJ IDEA to VM Instance
OBJECTIVE To push codebase from IntelliJ IDEA (or any JetBrains products) on a local machine to a VM instance in Google Cloud Platform. To run the codebase remotely. WHY DO THIS You want to leverage all the power of a modern IDE on your 4K screen. You do not want to use remote desktop tools… Read More…
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Ansible: Handling Multiple Hosts via SSH
PROBLEM To run Ansible playbook in multiple hosts via SSH. SOLUTION Configuring SSH environment Ensure SSH keypair exists on the current machine (ex: ~/.ssh/id_rsa for private key and ~/.ssh/id_rsa.pub for public key). If you do not have one, create one: Copy the public key (ex: ~/.ssh/id_rsa.pub) to each remote host’s ~/.ssh/authorized_keys. If this file doesn’t… Read More…