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RSAC 2019

KernelCare at 2019 RSA Conference

RSAC 2019
Come and meet  KernelCare at the 2019 RSA Conference in San Fran, USA, March 4-8. Register for free with our promo code XEU9CLDLNX . CEO Igor Seletskiy and CRO Jim Jackson will be there. There’ll be a raffle, too! More details  here .
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While everyone’s out star-gazing, KernelCare shoots ‘Mutagen Astronomy’ back down to earth

While everyone’s out star-gazing, KernelCare shoots ‘Mutagen Astronomy’ back down to earth

While everyone’s out star-gazing, KernelCare shoots ‘Mutagen Astronomy’ back down to earth
It is Fall in the Northern Hemisphere, and everyone’s out gazing into the clear dark skies when they should be indoors looking after their servers. Why?  Because yet another 10-year-old flaw has been found in the Linux kernel, this time in the create_elf_tables() function, that, when subject to an integer overflow condition, can allow root-lev...
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KernelCare Now Supports the UEK for Oracle Linux
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UEK

KernelCare Now Supports the UEK for Oracle Linux

KernelCare Now Supports the UEK for Oracle Linux
If you are running the Unbreakable Enterprise Kernel (UEK), which is included as part of Oracle Linux, you already know that it is optimized for stability and security for enterprise cloud workloads. The UEK includes enhancements that benefit Oracle Database, middleware, applications and hardware. It is thoroughly tested and is recommended for all ...
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A look at KernelCare, in under 90 seconds

A look at KernelCare, in under 90 seconds

A look at KernelCare, in under 90 seconds
Linux servers have to be rebooted quite often to update security issues that pop up in the kernel. Such reboots usually take time to plan and execute. To minimize the impact on end users, they are often done in the middle of the night and are stressful for sysadmins. These complications lead to delays in updates. Running an insecure kernel is not o...
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KernelCare Unsuccessful Release Information

KernelCare Unsuccessful Release Information

KernelCare Unsuccessful Release Information
One of our primary target in KernelCare is to ensure the best customer experience. And the thing we take the most seriously is the releases quality control. Unfortunately, within the last week, we had some servers crashes due to the latest KernelCare release. We have rolled back that release and have prepared a bugfix release which is now available...
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KernelCare is coming to Texas Linux Fest 2018
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KernelCare is coming to Texas Linux Fest 2018

KernelCare is coming to Texas Linux Fest 2018
Texas Linux Fest is an open source software event held in Austin on June 8 and 9, 2018, at the AT&T Conference Center. Whether you are a Linux enthusiast or a business expert, whether you run your school’s infrastructure or a non-profit organization, Texas Linux Fest is a great place for you to learn and to meet others. There will be more than ...
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KernelCare selected as Best of Interop 2018 finalist!
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KernelCare selected as Best of Interop 2018 finalist!

KernelCare selected as Best of Interop 2018 finalist!
The 2018 Best of Interop ITX awards finalists were just revealed, and we are thrilled to share that KernelCare has been selected as the finalist in the Infrastructure category. Traditional IT infrastructure is changing giving way to new software-defined technologies, cloud, and automation. In this category, Interop ITX 2018 recognizes products that...
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KernelCare fixes Meltdown and Spectre without reboots!

KernelCare fixes Meltdown and Spectre without reboots!

KernelCare fixes Meltdown and Spectre without reboots!
KernelCare now live patches Meltdown and Spectre (spectre-v1) that exploit critical vulnerabilities in modern processors. The list of supported distributions is available below. Free trial supports updates too. By now, you might have thought that the topic of Meltdown and Spectre vulnerabilities is taking a backstage in the news. Not so, as the imp...
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Recent Comments
Alexandre Parubochyi
Please follow https://cloudlinux.com/cloudlinux-os-blog/entry/intel-cpu-bug-kernelcare-and-cloudlinux... Read More
Tuesday, 06 February 2018 19:30
Alexandre Parubochyi
Microcode updates can often be applied without reboots - it really depends on hardware manufacturers. There is a microcode_ctl com... Read More
Friday, 09 February 2018 08:01
Irina Semenova
Meltdown and Spectre fixes were patched for OpenVZ
Thursday, 24 May 2018 12:12
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Intel CPU Bug - Meltdown and Spectre - KernelCare and CloudLinux

Intel CPU Bug - Meltdown and Spectre - KernelCare and CloudLinux

Intel CPU Bug - Meltdown and Spectre - KernelCare and CloudLinux
Update [May 29, 2018 12:25am PT] Meltdown fixes for Ubuntu 16.04 are now on test. To deploy them: edit /etc/sysconfig/kcare/kcare.conf Add: PREFIX=test Run: kcarectl --update TAGNAME: update-2018-05-29-test-1 ubuntu-xenial:   CVE-2017-5754: Systems with microprocessors utilizing speculative execution and     indirect branch predictio...
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Recent Comments
Igor Seletskiy
sorry, corrected the upgrade instructions.
Thursday, 04 January 2018 23:38
Igor Seletskiy
Do you have it configured for CloudLinux hybrid kernel? https://docs.cloudlinux.com/index.html?hybrid_kernel.html... Read More
Thursday, 04 January 2018 23:33
Igor Seletskiy
Our version (same as redhat) doesn't have any of these dmesg messages. so - pti_enabled is the official way to check a patch appl... Read More
Friday, 05 January 2018 18:30
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KernelCare crashes on CloudLinux 7 & CloudLinux 6 Hybrid

KernelCare crashes on CloudLinux 7 & CloudLinux 6 Hybrid

KernelCare crashes on CloudLinux 7 & CloudLinux 6 Hybrid
Updated: Dec 7, 2017, 8AM PT Our previous patch provided the fix of ext4 bug with KernelCare included a bug in unpatch. The bug was triggered by latest patch, and caused some number of servers to crash. The effect of the bug is that servers that use ext4 will crash. If they didn't crash - they will not crash now. Note that the new patch that trigge...
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Recent Comments
Inessa Atmachian
Hi Ryan, We expect a solution on our patch server that allows customers with older CloudLinux 7 and CloudLinux 6 Hybrid kernels t... Read More
Friday, 15 December 2017 16:35
Inessa Atmachian
Hi Ryan, Sorry for the delay in replying. We apologize but it is not fixed yet. Currently, the release that should fix this probl... Read More
Thursday, 04 January 2018 10:07
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