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This is particularly useful for integration with third-party loadbalancers needing direct access to backend OpenShift pods or VMs, she said. UDN will also add integrated support of Ethernet VPN (EVPN) to BGP, allowing for the extension of a UDN segment into one or more external networks.
By adding free cloud training to our Community Membership, students have the opportunity to develop their Linux and cloud skills further. Each month, we will kick off our community content with a live study group, allowing members of the Linux Academy community to come together and share their insights in order to learn from one another.
Networking Lee Briggs (formerly of Pulumi, now with Tailscale) shows how to use the Tailscale Operator to create “free” Kubernetes loadbalancers (“free” as in no additional charge above and beyond what it would normally cost to operate a Kubernetes cluster). Think Linux doesn’t have malware?
In the private sector, IT can set up a self-provisioning environment that lets development teams move at the required speed without ceding control of enterprise resource management – things such as compute, storage, and random access memory (RAM). Additionally, how one would deploy their application into these environments can vary greatly.
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. Technology Short Take #25. Technology Short Take #27.
These articles are a bit long in the tooth, but CSS Corp has a useful series of articles on bundling various Linux distributions for use with OpenStack: bundling CentOS , bundling CentOS with VNC , bundling Debian , and bundling OpenSUSE. by Qlogic called “Mt. ” (Stu Miniman of Wikibon has more information here as well.)
Linux Academy is the only way to get exam-like training for multiple Microsoft Azure certifications. Creating and configuring storage accounts. Securing Storage with Access Keys and Shared Access Signatures in Microsoft Azure. Securing Storage with Access Keys and Shared Access Signatures in Microsoft Azure.
AWS Elastic Beanstalk automatically creates the AWS resources and application stack needed to run the application, freeing developers from worrying about server capacity, loadbalancing, scaling their application, and version control. Driving Storage Costs Down for AWS Customers. Expanding the Cloud - The AWS Storage Gateway.
I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux. Networking. So useful.).
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.
Microsoft CTO Kevin Scott compared the company’s Copilot stack to the LAMP stack of Linux, Apache, MySQL and PHP, enabling organizations to build at scale on the internet, and there’s clear enterprise interest in building solutions with these services. As in Q3 , demand for Microsoft’s AI services remains higher than available capacity.
The rise of the disaggregated network operating system (NOS) marches on: this time, it’s Big Switch Networks announcing expanded hardware support in Open Network Linux (ONL) , upon which its own NOS is based. I use OTR with Adium on OS X, and OTR with Pidgin on my Fedora Linux laptop.). Servers/Hardware.
Workloads are scheduled across these server/linecards using Valiant LoadBalancing (VLB). Of course, there are issues with packet-level loadbalancing and flow-level loadbalancing, so tradeoffs must be made one way or another. The servers are interconnected using a mesh, ToR, or multi-stage Clos network.
But y ou can do all of that and more in our free Ansible Quick Start course on Linux Academy , right now. LPI Linux Essentials 1.6. LoadBalancing Google Compute Engine Instances. Applying Signed URLs to Cloud Storage Objects. New Releases. Terraform RandomID and S3 Buckets. Using the Command Line. Google Labs.
Xavier Avrillier walks readers through using Antrea (a Kubernetes CNI built on top of Open vSwitch—a topic I’ve touched on a time or two) to provide on-premise loadbalancing in Kubernetes. Matt Oswalt takes readers though a fairly in-depth look at sockets and address binds in Linux. Servers/Hardware. Virtualization.
S3 – different storage classes, their differences, and which is best for certain scenarios. LoadBalancers, Auto Scaling. Storage in AWS. These are the Hands-On Labs available at Linux Academy: Introduction to AWS Identity and Access Management (IAM). Route53 – overview of DNS. Ready to get certified?
NFV is intended to address the problem caused by having to route/direct traffic from various sources through physical appliances designed to provide services like content filtering, security, content delivery/acceleration, and loadbalancing. In this case, it sounds like Wind River’s customers are OEMs/ODMs, not end users.
Vincent Bernat has a really in-depth article on IPv4 route lookup on Linux (and one on IPv6 route lookup as well). Andrew Montalenti discusses the state of Linux on the desktop by examining his own journey with various Lenovo-branded laptops. If storage is your thing, have a look and see if this is something that makes sense for you.
Romain Decker has an “under the hood” look at the VMware NSX loadbalancer. This graphical summary of the AWS Application LoadBalancer (ALB) is pretty handy. Abdullah Abdullah shares some thoughts on design decisions regarding NSX VXLAN control plane replication modes. Servers/Hardware.
I have a fairly diverse set of links for readers this time around, covering topics from microchips to improving your writing, with stops along the way in topics like Kubernetes, virtualization, Linux, and the popular JSON-parsing tool jq along the way. Michael Kashin shares the journey of containerizing NVIDIA Cumulus Linux.
High speed low latency networks now allow us to add these nodes anywhere in a cloud infrastructure and configure them under existing loadbalancers. Once federated storage solutions other than the Prometheus time series database may be used to record metrics over longer periods of time.
Scott McCarty explains sVirt and how it’s used to isolate Linux containers. Check out these articles talking about IPVS-based in-cluster loadbalancing , CoreDNS , dynamic kubelet configuration , and resizing persistent volumes in Kubernetes. Servers/Hardware. Nothing this time around, sorry! Virtualization.
The “TL;DR” for those who are interested is that this solution bypasses the normal iptables layer involved in most Kubernetes implementations to loadbalance traffic directly to Pods in the cluster. Fortunately, the diagrams illustrate that there is something substantive behind the headline. Servers/Hardware.
Russell Bryant has a couple great articles on OVN— how to test OVN’s “EZ Bake” release with DevStack as well as an article on implementing OpenStack security groups using OVN ACLs (which in turn leverage the integration between Open vSwitch and the Linux kernel’s conntrack module). In case you missed it, Docker 1.9
If you’d like to play around with Cumulus Linux but don’t have a compatible hardware switch, Cumulus VX is the answer. This article listing 20 Linux server hardening tips contains some basic tips but is nevertheless a very good resource for someone looking for Linux security recommendations. Cloud Computing/Cloud Management.
OS X provides an SSH agent by default, but on Linux systems you will probably have to manually run an SSH agent and add the appropriate SSH key: eval `ssh-agent -s` ssh-add ~/.ssh/keyfile.pem. Visit the site for more information on virtualization, servers, storage, and other enterprise technologies. Linux CLI Docker OSS'
The “gotcha” is that these software stacks haven’t been written yet, so the idea of repurposing hardware from switch to firewall to loadbalancer is still a bit of a unicorn. First, here’s a workaround to the fact that vCA doesn’t (yet) do cloud-init, which makes injecting SSH keys into Linux instances a bit difficult.
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