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Fixing the jq parse error

If you encounter the following error while running the helmut-snapshot command:

jq: parse error: Invalid numeric literal at line 1, column 10

this may be caused by a missing local proxy bypass configuration (no_proxy). Without this configuration, requests to localhost may be routed through a corporate proxy instead of directly to the local service.

For detailed instructions on configuring proxy settings for both the host system and Docker, please refer to the article “Docker & Ubuntu Proxy”.

1. Verify the Current Proxy Configuration

Run the following command to check whether a no_proxy configuration is present:

env | egrep -i 'http_proxy|https_proxy|no_proxy'

Example output:

https_proxy=http://proxy.company.de:8081
http_proxy=http://proxy.company.de:8081

As shown above, no no_proxy entry is configured, meaning even local connections may be sent through the proxy.

2. Add a Local no_proxy Configuration

Create a profile script to define the local proxy bypass:

cat >/etc/profile.d/no_proxy_local.sh <<'EOF'
export NO_PROXY="127.0.0.1,localhost,::1"
export no_proxy="$NO_PROXY"
EOF

This ensures that connections to local services (localhost, 127.0.0.1, IPv6 ::1) bypass the proxy.

3. Apply the Configuration

Disconnect and reconnect your SSH session so the new environment variables are loaded.

4. Verify the Updated Configuration

Run the verification command again:

Expected output:

Once NO_PROXY / no_proxy is configured, the helmut-snapshot command should work correctly.