KernelCare Blog

KernelCare Blog

by / Tuesday, 19 April 2016
Rackspace rebooted their Docker servers, maybe something they could have avoided?

A few days ago, the Rackspace’s Carina team have undergone a scheduled maintenance update to address multiple issues in the Linux kernel which affected Carina users. The fix required a reboot, and the team worked diligently on updating all the docker servers to rectify the issue. Though it...

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by / Friday, 11 March 2016
Debian 7 & 8 kernels patched to latest with KernelCare

Debian 7 kernels updated to linux-3.2.73-2+deb7u3

Debian 8 kernels updated to linux-3.16.7-ckt20-1+deb8u4
 
Systems with AUTO_UPDATE=True (DEFAULT) in /etc/sysconfig/kcare/kcare. conf will automatically update, and no action is needed for them.

You can manually update the server by...

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by / Thursday, 10 March 2016
KernelCare prevents from attacks fast - releases patches sometimes even before the native OS updates its kernel

You might say that KernelCare lags slightly behind the upstream distributions of patches. This, however, is normal, and regardless of the delay, most of the time you will be protected by KernelCare much faster than you would do the reboot yourself. The main cause of such delay is that upstream...

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by / Thursday, 10 March 2016
KernelCare fan-base is growing as we reach 50,000 server installs

I cannot say that I am not proud of the fact that our customer install base has grown so substantially. In the past year, KernelCare has more than tripled server installs and is still CloudLinux’s fastest growing product. Companies like Dell and LiquidWeb have deployed KernelCare to keep...

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by / Wednesday, 09 March 2016
How to switch from Ksplice to KernelCare in a single step

Ksplice is a technology that updates kernels with important security patches without the need to reboot. After its acquisition by Oracle, it is now offered as part of the Oracle Linux Premier Support. KernelCare is distribution-agnostic and supports Oracle Linux kernels, as well as CentOS,...

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by / Wednesday, 24 February 2016
Ubuntu LTS kernels patches to latest version with KernelCare

 

Ubuntu LTS kernels were updated to latest version. The update includes a number of security bug fixes.

Systems with AUTO_UPDATE=True (DEFAULT) in /etc/sysconfig/kcare/kcare. conf will automatically update, and no action is needed for them.
 
You can manually update the server by running:
#...

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by / Wednesday, 17 February 2016
CentOS/RHEL 7 kernels are patched to 3.10.0-327.10.1

This update has no security fixes, as CVE-2015-7872 was fixed earlier.

Systems with AUTO_UPDATE=True (DEFAULT) in /etc/sysconfig/kcare/kcare.conf will automatically update, and no action is needed for them.

You can manually update the server by running:

# /usr/bin/kcarectl --update

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by / Friday, 05 February 2016
Fix for quota inside the container vzkernel-2.6.32-042stab113.11

Some people were hit by a bug in recent vzkernel-2.6.32-042stab113.11 bug which made quota inside container for simfs not usable.

We have released the patch to address the underlying problem. Yet, due to the nature of the bug, and time when devices are created (on boot) - it requires user to run...

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by / Tuesday, 02 February 2016
Have you heard of cP1Con? Next stop: LA!

If you are a cPanel customer or partner, you probably have heard of cP1Con. It is cPanel’s first-ever global roadshow that CloudLinux is proud to be a part of.

These free one-day events, hosted in various locations throughout the world, feature product demos, training sessions, and many of...

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by / Friday, 23 October 2015
Friday Humor, Episode 2.

Servers always reboot at the wrong time!

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