sudo dnf check-update # or older: sudo yum check-update Use wget or curl to fetch new data and overwrite a local file:
It seems you're asking how to (likely in a Linux/Windows server context). However, the phrase is a bit broad. Let me break down possible interpretations and give you the most common solutions. If you mean: Update package lists / system metadata from repositories (APT/YUM) On Debian/Ubuntu (APT): actualizar server met desde url
sudo apt update This fetches the latest package metadata from the URLs defined in /etc/apt/sources.list . sudo dnf check-update # or older: sudo yum
# Fetch metadata and update a config file curl -s https://api.example.com/v1/metadata | jq '.server' > /etc/myapp/server_config.json Add a cron job (Linux) or scheduled task (Windows): actualizar server met desde url