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People in the '80s Thought Unix Would Take Over. Here's Why They Were Right - How-To Geek
Distribution Release: Red Hat Enterprise Linux 9.5
Distribution Release: RELIANOID 7.5
Distribution Release: CachyOS 241110
DistroWatch Weekly, Issue 1096
Review: Bazzite 40, Playtron OS Alpha 1, Tucana Linux 3.1
News: Redox being ported to RISC-V and running the COSMIC software centre, TrueNAS talks about new ZFS features, FreeBSD booting on the PinePhone Pro, Debian refreshes install media, LXQt supports multiple Wayland window managers
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What’s KernelCare?
This article explains all that you need to know about KernelCare. But before studying about KernelCare, let’s do a quick recap of the Linux kernel. It’ll help you understand KernelCare better. The Linux kernel is the core part of Linux OS. It resides in memory and prompts the CPU what to do.
Now let’s begin with today’s topic which is KernelCare. And if you’re a system administrator this article is going to present valuable information for you.
What is KernelCare?So, what’s KernelCare? KernelCare is a patching service that offers live security updates for Linux kernels, shared libraries, and embedded devices. It patches security vulnerabilities inside the Linux kernel without creating service interruptions or any downtime. Once you install KernelCare on the server, security updates automatically get applied every 4 hours on your server. It dismisses the need for rebooting your server after making updates.
It is a commercial product and is licensed under GNU GPL version 2. Cloud Linux, Inc developed this product. The first beta version of KernelCare was released in March 2014 and its commercial launch was in May 2014. Since then they have added various useful integrations for automation tools, vulnerability scanners, and others.
Operating systems supported by KernelCare include CentOS/RHEL 5, 6, 7; Cloud Linux 5, 6; OpenVZ, PCS, Virtuozzo, Debian 6, 7; and Ubuntu 14.04.
Is KernelCare Important?Are you wondering if KernelCare is important for you or not? Find out here. By installing the latest kernel security patches, you are able to minimize potential risks. When you try to update the Linux kernel manually, it may take hours. Apart from the server downtime, it can be a stressful job for the system admins and also for the clients.
Once the kernel updates are applied, the server needs a reboot. This is usually done during off-peak work hours. And this causes some additional stress. However, ignoring server reboots can cause a whole lot of security issues. It’s seen that, even after rebooting, the server experiences issues and doesn’t easily come back up. Fixing such issues is a trouble for the system admins. Often the system admin needs to roll back all the applied updates to get the server up quickly.
With KernelCare, you can avoid such issues.
How Does KernelCare Work?KernelCare eliminates non-compliance and service interruptions caused by system reboots. KernelCare agent resides on your server. It periodically checks for new updates. In case it finds any, the agent downloads those and applies them to the running kernel. A KernelCare patch can be defined as a piece of code that’s used to substitute buggy code in the kernel.
Go to Full ArticleGetting Started with Docker Semi-Self-Hosting on Linode
With the evolution of technology, we find ourselves needing to be even more vigilant with our online security every day. Our browsing and shopping behaviors are also being continuously tracked online via tracking cookies being dropped on our browsers that we allow by clicking the “I Accept” button next to deliberately long agreements on websites before we can get the full benefit of said site.
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Additionally, hackers are always looking for a target and it's common for even big companies to have their servers compromised in any number of ways and have sensitive data leaked, often to the highest bidder.
These are just some of the reasons that I started looking into self-hosting as much of my own data as I could.
Because not everyone has the option to self-host on their own, private hardware, whether it's for lack of hardware, or because their ISP makes it difficult or impossible to do so, I want to show you what I believe to be the next best step, and that's a semi-self-hosted solution on Linode.
Let's jump right in!
Setting up a LinodeFirst things first, you’ll need a Docker server set up. Linode has made that process very simple and you can set one up for just a few bucks a month and can add a private IP address (for free) and backups for just a couple bucks more per month.
Get logged into your Linode account click on "Create Linode".
Don't have a Linode account? Get $100 in credit clicking here
On the "Create" page, click on the "Marketplace" tab and scroll down to the "Docker" option. Click it.
With Docker selected, scroll down and close the "Advanced Options" as we won't be using them.
Below that, we'll select the most recent version of Debian (version 10 at the time of writing).
In order to get the the lowest latency for your setup, select a Region nearest you.
When we get to the "Linode Plan" area, find an option that fits your budget. You can always start with a small plan and upgrade later as your needs grow.
Next, enter a "Linode Label" as an identifier for you. You can enter tags if you want.
Enter a Root Password and import an SSH key if you have one. If you don't that's fine, you don't need to use an SSH key. If you'd like to generate one and use it, you can find more information about how to do so here "Creating an SSH Key Pair and Configuring Public Key Authentication on a Server").
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