How to Fix: "no public key available" on apt-get update
Apt-get update error: no public key available
📋 Table of Contents
When encountering the "no public key available" error on apt-get update, it is often due to a missing or corrupted package signing key. This issue can be resolved by updating the package index and adding the necessary keys.
⚠️ Common Causes
- Missing or corrupted package signing key
🚀 How to Resolve This Issue
Method 1: Adding the GPG Key
- Step 1: Open a terminal as root and run the command `sudo apt-key adv --keyserver keyserver.ubuntu.com --recv-keys
`
Method 2: Updating Package Index
- Step 1: Run the command `sudo apt update` to refresh the package index and check if the key is available.
✨ Wrapping Up
In conclusion, updating the package signing key and refreshing the package index can resolve the "no public key available" error on apt-get update. Regularly checking for updates and running `sudo apt update` can help prevent this issue.
❓ Frequently Asked Questions
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