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CL_OS_kernel_warning

Issues with CloudLinux OS 7.7 update on systems with kernel v3.10.0-862 or lower

CL_OS_kernel_warning
Issue description The recent CloudLinux OS 7.7 update includes the iproute-4.11.0-25.el7[.cloudlinux] package that is not working correctly on systems with a 3.10.0-862 or lower kernel version . If you apply the update and reboot the server, the network will probably go down. Issue solution The solution is to upgrade to the iproute-4.11.0-25.el7.cl...
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Inessa Atmachian
Hi Andrew! Here is a quick instruction: 1. Boot on another machine (recovery, LiveCD, etc). 2. Mount affected system into the dire... Read More
Wednesday, 04 September 2019 12:18
Inessa Atmachian
If you have any doubts, please contact our support team at https://cloudlinux.zendesk.com/hc/requests/new... Read More
Wednesday, 04 September 2019 12:30
Diogo
Hi all, The solution we found was download the RPM of the new kernel version ( https://www.repo.cloudlinux.com/cloudlinux/7/os/x8... Read More
Wednesday, 04 September 2019 14:47
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b2ap3_large_maintenanc_20190902-152947_1
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CloudLinux CLN downtime Saturday, September 7th, starting at 3:00 am EST

b2ap3_large_maintenanc_20190902-152947_1
We will be performing planned CLN software upgrade from 3:00 am EST (7:00 am GMT) to 4:00 am EST (8:00 am GMT) on Saturday, September 7th, 2019. During that time you might experience issues with registering new CloudLinux servers, converting servers to CloudLinux, registering new IP-based CloudLinux licenses using partner API, as well us updating s...
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b2ap3_large_b2ap3_large_OpenVZ_en_20190827-151534_1

We are still supporting Virtuozzo and OpenVZ hypervisors

b2ap3_large_b2ap3_large_OpenVZ_en_20190827-151534_1
This spring, we announced the end of support for Virtuozzo and OpenVZ and then prolonged the support but I’m still receiving questions from our clients. Now, I’d like to clarify the situation and clear up your doubts about our plans regarding Virtuozzo and OpenVZ support. As you might know, Virtuozzo and OpenVZ provide both container &a...
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b2ap3_large_breaking
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Breaking news: now you can integrate CloudLinux OS components into a custom control panel

b2ap3_large_breaking
Today, CloudLinux OS team and I personally are excited to let you know about releasing a new anticipated mechanism (draft documentation) that allows you to integrate CloudLinux OS components into any (and here I mean each and every control panel no matter what programming language it is written) control panel. And I’m excited because this can...
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panic

Don’t panic about TCP SACK PANIC—we’re working on it

panic
Recently, TCP networking vulnerabilities have been discovered in FreeBSD and Linux kernels by Netflix. There are three flaws, one of them is rated by severity as Important ( CVE-2019-11477 ), and two as Moderate ( CVE-2019-11478 and CVE-2019-11479 ). What is the problem? The flaws use the Maximum Segment Size (MSS) and TCP Selective Acknowledgement...
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Ivan Zhmud
Hello Ryan. It will be in 2-3 working days. Follow please for our updates https://www.kernelcare.com/blog/... Read More
Thursday, 20 June 2019 16:55
Inessa Atmachian
Hi Paul, we are going to release the kernel with the fix for CloudLinux 7 Hybrid in the next week.
Thursday, 20 June 2019 19:26
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mds3
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Let us subject MDS vulnerability to the glare of truth

mds3
Ok, let me throw a little light on the last release of the CloudLinux 7 and CloudLinux 6 kernel with the MDS vulnerability patch. MDS vulnerability explanation In the last three days, we’ve received a whole bunch of questions like Should I disable Hyper-Threading or not? and How Hyper-Threading disabling can impact performance? So, here we ar...
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Recent Comments
Ivan Zhmud
Hello, Jeff! The table above should the same as the Intel's table in pdf. Just in our table is used classic cpuid and in PDF is us... Read More
Friday, 24 May 2019 21:35
Inessa Atmachian
Hi Jeff, We are sorry, but we are still investigating the problem. We will keep you with updates in this blog post.... Read More
Monday, 27 May 2019 15:35
Ivan Zhmud
Hello Jeff, we've released the new kernel with fixed checker which should show the correct status. You can find details here https... Read More
Thursday, 30 May 2019 14:01
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  5 Comments
update_general

Microcode_ctl updated

update_general
New updated microcode_ctl-2.1-47.2.el7_6.cloudlinux package is now available for download from our production repository. Changelog: disabled early microcode load feature for CloudLinux OS 7 kernels to avoid potential boot issues. Update command: yum upgrade -y microcode_ctl
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OpenVZ_end

Advance Notice: End of Support for Virtuozzo and OpenVZ

OpenVZ_end
We’ll be ending support for Virtuozzo and OpenVZ on August 1st, 2019 . We are strongly committed to delivering top-end support for all our customers. However, Virtuozzo and OpenVZ are no longer widely used by our customers. That’s why we have decided to stop supporting Virtuozzo and OpenVZ. The latest version of the distribution will be...
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Recent Comments
Inessa Atmachian
Hi Ricardo, We will prepare a complete KVM migration instruction. Also, I'd like to mention that the current functions for OVZ wil... Read More
Wednesday, 10 July 2019 19:45
Inessa Atmachian
Hi Ricardo, We decided to prolong support for Virtuozzo and OpenVZ till November 2019. You can find details here https://www.cloud... Read More
Tuesday, 23 July 2019 17:04
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  4 Comments
EOLEasyApache3

It’s time to say goodbye EasyApache 3 and switch to EasyApache 4

EOLEasyApache3
We’d like to remind you that EasyApache 3 is no longer supported from December 31st, 2018 . cPanel & WHM version 76 is the final version that supports EasyApache 3. We are planning to remove EasyApache 3 support from our products on September 1st, 2019 , therefore, we strongly recommend you to upgrade your cPanel & WHM to EasyApache 4...
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CloudLinux Dashboard —  Now in Production

CloudLinux Dashboard — Now in Production

CloudLinux Dashboard —  Now in Production
ashboard
Dashboard
The CloudLinux OS Team is excited to announce the CloudLinux Dashboard Production release for our valued server and hosting panel administrators. We believe that this product will firmly integrate into your workflow and greatly improve your performance when managing servers. For this first iteration, the Dashboard allows you to accumulate and displ...
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