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[News] New Service Around Ksplice in Linux Kernel Space

  • Subject: [News] New Service Around Ksplice in Linux Kernel Space
  • From: Roy Schestowitz <newsgroups@xxxxxxxxxxxxxxx>
  • Date: Wed, 10 Feb 2010 08:56:48 +0000
  • Followup-to: comp.os.linux.advocacy
  • Newsgroups: comp.os.linux.advocacy
  • User-agent: KNode/4.3.1
Hash: SHA1

Ksplice debuts zero downtime service for Linux

,----[ Quote ]
| Ksplice Inc. today officially launched its 
| no-reboot patching service for Linux servers. 


FOSDEM 2010: Andrew Tanenbaum Sets Reliability Before Performance 

,----[ Quote ]
| Computer science veteran Andrew Tanenbaum 
| presented the third version of his Minix 
| operating system at the FOSDEM 2010 
| conference on February 6-7 in Brussels, 
| Belgium. 



No more rebooting. Period.

,----[ Quote ]
| Thereâs a new technology in town for the
| Linux operating system called Ksplice
| Uptrack. With this system in place you can
| now update your system - even the kernel -
| without a single reboot. Let me say that
| again - EVEN THE KERNEL! What exactly does
| that mean? You know all of those promises
| made by other OS vendors who claim a near
| 100% uptime with their machines? What
| happens to those machines when you install
| a service pack that does anything to the
| kernel? Time for a reboot  (Actually it
| doesnât even require a kernel-level update
| to require a reboot.)


Linux reboots are a thing of the past with Ksplice

,----[ Quote ]
| Even though the Linux operating system is
| very stable and rarely needs a reboot,
| there are times when an update (such as a
| kernel update) will make this a
| requirement. At least that used to be the
| case. That is correct. With the help of a
| newly developed technology (dubbed Ksplice)
| even a kernel update will not require a
| reboot. This is fantastic news to
| administrators who depend upon constant
| uptime for their servers and production
| desktops/machines.


splice gives Linux users 88% of kernel updates without rebooting

,----[ Quote ]
| Have you ever wondered why some updates or installs require a reboot, and
| others donât? The main reason relates to kernel-level (core) services running
| in memory which either have been altered by the update to include new data
| that canât be âsqueezed inâ to its existing footprint, or are currently
| attached to multiple separate processes which cannot be accounted for without
| a reboot. Ksplice has figured out a way around that issue in a majority of
| the cases.
| [...]
| This technology is only for Linux at the current time. No features like this
| are available for Windows. The technology does require a kernel patch, as
| Ksplice itself must be integrated into the kernel. The installation software
| (.deb package) handles this for you.


Interview with Ksplice Co-Founder

,----[ Quote ]
| Ksplice is an amazing new technology which allows patches to be applied
| directly into a running kernel, without needing a reboot. Linux Magazine
| talks with co-founder and Chief Operating Officer and discusses the origins
| of the project and what it has to offer.


Never reboot again with Linux and Ksplice

,----[ Quote ]
| By default, Ksplice shows up in your system menu-bar so you can keep an eye
| on what's happening with your updates. While Ksplice itself is open-source
| software, and the service for individual users is free, you'll need to pay a
| service fee if you're a business using Ksplice to keep your servers
| up-to-date.
| Since Ksplice doesn't require any changes to the Linux kernel I strongly
| suspect you'll soon be seeing its technology used with other Linux
| distributions. After all, as great as Linux is about letting you run for
| months on end without wasting time or money on a reboot, it will be even
| better when we can run Linux for years without rebooting.


Ksplice Executives Share New Ways to Make Linux More Secure, Reliable, and


Ksplice Offers Rebootless Updates For Ubuntu Systems

,----[ Quote ]
| Ksplice has started offering Ksplice Uptrack for Ubuntu Jaunty, a free
| service that delivers rebootless versions of all the latest Ubuntu kernel
| security updates. It's currently available for both the 32 and 64-bit generic
| kernel, and they plan to add support for the virtual and server kernels by
| the end of the month, according to their FAQ. This makes Ubuntu the first OS
| that doesn't need to be rebooted for security updates. (We covered Ksplice's
| underlying technology when it was first announced a year ago.)

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