Ksplice updates the core of your operating system, the kernel, while it is running – without requiring a reboot.
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Command-line interface
uptrack-upgrade
Bring your system up to date by installing the latest available updates.
uptrack-remove id
Removes the update with ID id. If invoked with –all, removes all installed updates.
uptrack-install id
Installs the update with ID id.
uptrack-show
Show a list of the updates that are currently installed.