CloudLinux - Igor Seletskiy - CloudLinux Blog - Page 5
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CloudLinux is on a mission to make Linux secure, stable, and profitable, and Igor Seletskiy is at the helm of this undertaking. He is the CEO and founder of the company, and an innovator responsible for the strategic direction of the company and all products within the CloudLinux brand.

Igor is an accomplished technology guru focusing on Linux, kernel development, and the hosting industry. He is a frequent speaker at industry events, and has a successful track record of more than 15 years of delivering innovative products to market.

No single website can bring down your server

No single website can bring down your server

No single website can bring down your server

Learn the difference between LVE limits & Apache RLimits What makes both shared hosting provider and its customers happy? Stable servers, of course! The problem is that even a single site can easily bring the servers to a halt by consuming its CPU, memory, and IO resources. The best way to improve your server stability is to limit and partition...
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Igor Seletskiy
I am really sorry about your experience. Yet, we don't control CloudLinux implementation on Odin. While integration for cPanel and... Read More
Sunday, 22 April 2018 16:49
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Running InfiniBand hardware? Your servers might be vulnerable.

Running InfiniBand hardware? Your servers might be vulnerable.

Running InfiniBand hardware? Your servers might be vulnerable.
Recently a flaw was found in Linux kernel 2.6.32 that allows local users to escalate their privileges for servers with InfiniBand.    If your servers have InfiniBand and you are running CentOS/RedHat/CloudLinux 6, Virtuozzo/OpenVZ, Proxmox 2.x WITHOUT KernelCare, you are vulnerable. We recommend you update and reboot your kernels to resol...
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New Snapshot feature improvement coming to cPanel users

New Snapshot feature improvement coming to cPanel users

New Snapshot feature improvement coming to cPanel users
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This week users will see an enhancement to the CPU and Concurrent Connection section in cPanel: HTTP Snapshots. In addition to Process Lists and Database Queries Snapshots already released in the beta repo, Snapshots of HTTP queries in the Apache web server becomes available as part of the beta release of lve-stats 2. CloudLinux OS new Apache modul...
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Recent Comments
WisiKlo WisiKlo
This works out of the box with mod_lsapi.
Wednesday, 29 June 2016 21:10
WisiKlo WisiKlo
We are working on SPA (single page) integration that will be common for all control panels. It should be available ~ Nov 2016. At ... Read More
Thursday, 30 June 2016 12:47
WisiKlo WisiKlo
No support for URLs for LSWS. We submitted to LiteSpeed team what we need to show the URLs, and we hope they will add such extensi... Read More
Thursday, 30 June 2016 12:49
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New vulnerability makes it easy to escape from the container

New vulnerability makes it easy to escape from the container

New vulnerability makes it easy to escape from the container
CVE-2016-4997 and CVE-2016-4998 were issued for a vulnerability that lets user inside container to escalate priveleges and escape the containment. The issue affects Virtuozzo, OpenVZ, LXC and Docker containers. If you are running KernelCare -- your servers are already patched, and safe. If you have yet to deploy KernelCare -- please, make sure...
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PHP 5.3? CVE 2015-6835 ... what a mess
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PHP 5.3? CVE 2015-6835 ... what a mess

PHP 5.3? CVE 2015-6835 ... what a mess

Even though PHP 5.3 & 5.4 are still considered supported on CentOS -- sometimes it takes forever for CentOS/RHEL to fix a bug in there. CVE 2015-6835  is a perfect example. This particular bug came out of nowhere (well, people knew it was a bug, but they didn’t realize it was a huge security hole). Yet, once they did… it took days for the ...
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Hackers are using local DoS attack using CVE-2016-4581 against hosting provider

Hackers are using local DoS attack using CVE-2016-4581 against hosting provider

Hackers are using local DoS attack using CVE-2016-4581 against hosting provider
Distributions have yet to patch CVE-2016-4581 in CentOS/RHEL/CloudLinux 7 kernels. At the same time, the vulnerability is already known to be used in attacks against hosting providers to crash servers. We are working hard to release new CloudLinux 7 kernel that fixes this bug.  Yet, if you want to be protected now, the fix is already avai...
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What matters in hosting this year? WHD.USA reveals
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What matters in hosting this year? WHD.USA reveals

What matters in hosting this year? WHD.USA reveals
Did you make it to the WHD.USA event this year? If not, no worries. We'll gladly share some key notes and impressions of one of the brightest events of the hosting industry with you. The hosting business has seen significant changes over the last several years, in terms of new technologies competitive threats and user purchasing trends. The key tre...
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How to reduce downtime of managed servers - Liquid Web knows
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How to reduce downtime of managed servers - Liquid Web knows

How to reduce downtime of managed servers - Liquid Web knows
Liquid Web rolls out KernelCare to 20K managed servers Liquid Web is one of the most well-respected companies in web hosting. Their 30,000+ customers rely on Liquid Web’s deep technical expertise and a variety of high-performance servers and hosting products. Rolling out KernelCare to 20,000 of their managed servers only attests to their commitment...
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8 fabulous feature improvements in the works for CloudLinux OS

8 fabulous feature improvements in the works for CloudLinux OS

8 fabulous feature improvements in the works for CloudLinux OS



As always, our team is working diligently on enhancing CloudLinux OS, so we’ve decided to share with you a list of features we are paying special attention to for the remainder of 2016: LVE Stats 2 - there is going to be a substantial improvement in a way we track usage. It should make it simple to track the cause of the issue. Now saving multiple ...
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Recent Comments
WisiKlo WisiKlo
We don't plan to add rate limits for emails, it just not a good way to stop spam.
Thursday, 02 June 2016 17:04
WisiKlo WisiKlo
Gregor, It should come out really soon. We were planning for tomorrow, but there is one bug left that might take us another week ... Read More
Sunday, 21 August 2016 15:25
WisiKlo WisiKlo
Not yet. It was supposed to be out in Aug, but got delayed multiple times. Now ETA is early November ... Read More
Saturday, 08 October 2016 01:34
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What’s inside HardenedPHP and why it matters for server security
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What’s inside HardenedPHP and why it matters for server security

What’s inside HardenedPHP and why it matters for server security
It’s been more than a year since we started our HardenedPHP project. The idea came out of discussions with multiple hosters who expressed their worry about running outdated versions of PHP. While their servers were secured with CageFS , they were still worried that hackers could have a field day with all the sites running PHP 4.4 or 5.1. Even thoug...
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