Step 1: Download the model and upgrade
Follow the steps for your installation type.- Online
- Semi-Airgap
- Full Airgap
1
Update the CLI (required)
sudo zylon-cli self-update
curl -sL get.zylon.ai | sudo -E bash
sudo zylon-cli version
2
Download the model
Replace
<model_id> with the value from the table above.sudo zylon-cli models download <model_id>
3
Install 1.57
sudo zylon-cli list-versions
sudo zylon-cli install 1.57.X
1
Update the CLI (required)
sudo zylon-cli self-update
curl -sL get.zylon.ai | sudo -E bash
sudo zylon-cli version
2
Re-enable internet access
Temporarily allow online operations in your config, then apply it:
airgap:
offlineOperation: false
sudo zylon-cli sync
3
Verify connectivity
sudo zylon-cli preflight --network -v
4
Download the model
sudo zylon-cli models download <model_id>
5
Install 1.57
sudo zylon-cli list-versions
sudo zylon-cli install 1.57.X
6
Re-enable offline mode
airgap:
offlineOperation: true
sudo zylon-cli sync
These steps run across two machines: an internet-connected machine for downloading, and the offline target machine.If the command fails or the version does not change, run the fallback installer:For differential bundle details and transfer guidance, see the Full-airgap update guide.
1
Online machine: update the CLI (required)
sudo zylon-cli self-update
curl -sL get.zylon.ai | sudo -E bash
sudo zylon-cli version
2
Online machine: download and export the model
sudo zylon-cli models download --no-install <model_id>
sudo zylon-cli models export
3
Online machine: prepare the CLI transfer package
sudo tar -czf zylon-update.tar.gz \
/usr/local/bin/zylon-cli \
/usr/local/bin/zylon-forge-cli
4
Online machine: export the 1.57 platform bundle
sudo zylon-cli list-versions
# Use --from if your current version is known (smaller bundle)
sudo zylon-cli export 1.57.X --from CURRENT_VERSION
# Otherwise export a full bundle
sudo zylon-cli export 1.57.X
5
Transfer artifacts to the offline machine
Move the required files across your transfer medium:
zylon-models-*.tarzylon-*.tarzylon-update.tar.gz
6
Offline machine: extract CLI transfer package
cd /tmp
sudo tar -xzf zylon-update.tar.gz -C /
sudo chmod +x /usr/local/bin/zylon-cli /usr/local/bin/zylon-forge-cli
sudo zylon-cli version # It should show 2.6.3 or later
7
Offline machine: import and install
# Import the model, then install the model
sudo zylon-cli models import zylon-models-*.tar
sudo zylon-cli models download --offline <model_id>
# Import the Zylon bundle, check the new version is available, then install it
sudo zylon-cli import zylon-*.tar
sudo zylon-cli list-versions --offline
sudo zylon-cli install 1.57.X --airgap