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In this post, I’m going to introduce you to the concept of Linux network namespaces. Generally speaking, an installation of Linux shares a single set of network interfaces and routing table entries. If you’re thinking about using network namespaces, be sure your Linux distribution includes support.
So the number of companies that really understand the network topology, the data center construction, the server requirements to build this public cloud infrastructure is very, very small.” If they ran Linux, maybe they wouldn’t have to run so many servers. Planning for a Cloud-Ready Distributed Storage Infrastructure.
CIOs give the thumbs up because the formats do away with needless data copies for individual projects that compound storage fees and swell security, reliability, and manageability headaches. So any number of projects can tap into the data at once. And the table formats will keep track of all of it. Delta Lake is technically open as well.
This includes cgroups (the ability to control resource allocation/utilization), which is built into the Linux kernel. LXC is a set of user-space tools that attempted to make using these constructs easier, but it hasn’t (until recently) been easy to really leverage these constructs. easier to use. Docker Making Its Move.
Erik Smith, notably known for his outstanding posts on storage and FCoE, takes a stab at describing some of the differences between SDN and network virtualization in this post. Is Cisco’s Insieme effort producing a storage product? storage enhancements. It starts here. I suppose I should wrap things up now.
For storage-intensive workloads, AWS Customers will have an opportunity to use smaller instance sizes and still meet EBS-optimized instance performance requirements, thereby saving costs. Analysts can use familiar SQL constructs to JOIN data across multiple data sources. What Linux Academy can do to better serve you.
Docker leverages LXC (Linux Containers), which encompasses Linux features like cgroups and namespaces for strong process isolation and resource control. LTS as the Linux platform. linux-headers-generic-lts-raring. A Dockerfile is a plain text file that tells Docker exactly how to construct a Docker image. (I
Here’s a handy list of deprecated Linux network commands and their replacements. Konstantin Ryabitsev has a series going on securing a SysAdmin Linux workstation. Part 1 covers how to choose a Linux distribution, and part 2 discusses some security tips for installing Linux on your SysAdmin workstation. Virtualization.
This blending of “traditional” network engineering with containers, Linux, and DevOps tooling is how Matt is setting new trends and directions for the networking industry. Michael Dales shares his experience trying out Windows 10 and Windows Subsystem for Linux (WSL) as a Linux development environment.
Welcome to Technology Short Take #43, another episode in my irregularly-published series of articles, links, and thoughts from around the web, focusing on data center technologies like networking, virtualization, storage, and cloud computing. Here’s hoping you find something useful. Networking. Technology Short Take #43.
This first post is more of a discussion of why VLANs and VLAN-based derivatives aren’t sufficient, and why we should be looking to routing (layer 3) constructs instead. Running Hyper-V with Linux VMs? Ben Armstrong details what versions of Linux support the various Hyper-V features in this post. Virtualization. LTS server.
It’s an interesting construct: rather than managing the configuration of servers, you simply spin up new instances when you need a new configuration; existing configurations are never changed. More information on the use of the immutable server construct is also available here. x that involves booting on a Linux CD.
” Want to use a Yubikey to automatically lock and unlock your Linux system? Via Ivan Pepelnjak (who in turn got it from Julia Evans), I learned about entr , a Linux CLI tool to run arbitrary commands when files change. ” Storage. Ivan Pepelnjak discusses the security implications of so-called “Smart NICs.”
I didn’t do so well on storage links; apologies to my storage-focused friends! Via TecMint, James Kiarie explains how to use VirtualBox VMs on KVM in Linux. As always, I welcome all constructive feedback and I love hearing from readers, so feel free to reach out to me on Twitter. Networking. Virtualization.
In that post, I showed how you could use systemd constructs like drop-in units to customize the behavior of the Docker Engine when running on CentOS Atomic Host. As it turns out, docker-storage-setup calls docker in order to gather some version information. INSECURE_REGISTRY. path : /etc/systemd/system/docker.service.d/docker-socket.conf.
In that post, I showed how you could use systemd constructs like drop-in units to customize the behavior of the Docker Engine when running on CentOS Atomic Host. As it turns out, docker-storage-setup calls docker in order to gather some version information. INSECURE_REGISTRY. path : /etc/systemd/system/docker.service.d/docker-socket.conf.
One could look at DaemonSets (which are used to ensure that a particular pod is always running on every node; useful for “infrastructure” services like logging, storage, monitoring, etc.) Are there use cases where these constructs are useful? Or are these constructs simply a refining of what Kubernetes was always intended to do?
If you’re not familiar with VPCs and associated AWS constructs, you should read this article. Scott McCarty explains sVirt and how it’s used to isolate Linux containers. It’s really good. I can’t say that I’ve ever thought about writing a CNI plugin in Bash, but apparently it can be done. Servers/Hardware.
So the base X1 Carbon (the Linux model) has an MSRP of $2,336 but is currently available for $1,401.60. That model includes a Core i5-1135G7, 8GB of RAM (soldered), 256GB of storage, and a 1920 x 1200, 14-inch, 400-nit, non-touch display. if you construct it on Lenovo’s site ($3.049 MSRP). at CDW but is currently sold out there.
There has to be storage somewhere so even sensors, end up sending their data someplace that has to be stored, and that might be in the cloud, for instance, which is increasingly a part of the Internet of Things. Woods: If you think about the overall system, within which some of these devices live. It's still a threat.
There has to be storage somewhere so even sensors, end up sending their data someplace that has to be stored, and that might be in the cloud, for instance, which is increasingly a part of the Internet of Things. Woods: If you think about the overall system, within which some of these devices live. It's still a threat.
Moreover, it’s SHARED with both Windows Small Business Server 2011 Essentials, and Windows Storage Server 2008 R2 Essentials. I can’t easily extend my storage when I have a disk that’s running out of space. With a plan, you can easily map out your storage needs, and growth. What does that mean?
It’s important to note that these security enhancements don’t really represent “net new” functionality but rather reflect existing Linux security constructs now being exposed and usable by Docker. Gabrie Van Zanten has a nice write-up on using tags, along with some PowerCLI scripts, to help manage a VMware Metro Storage Cluster.
Justine Dell’Aringa and family in the home construction zone. Have I mentioned we’re at the tail end of a major construction project? I currently work on a folding table using a repurposed TV as monitor, surrounded by construction material, luggage, and holiday decorations awaiting completion of a storage space.
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