Published at LXer:
While Linux systems generally have a good reputation for uptime, there are sometimes unavoidable reasons that a reboot is required. Typically, that is because of a kernel update, especially one that fixes a security hole. Companies that have long-running processes, or those who require uninterrupted availability, are not particularly fond of this requirement. A new company, Ksplice, Inc. has come up with a way to avoid these reboots by hot-patching a running kernel.
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