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Heavy Networking 698: Integrating Edge Networking And Compute With VMware Edge Cloud Orchestrator (Sponsored)

On today’s Heavy Networking we explore the edge. But where is the edge? In today's conversation with sponsor VMware, it's a remote location where data is being generated. It could be end users in a branch office, or IoT devices and sensors on a factory floor. These edge locations needs integrated compute and networking to run application workloads while also being able to  connect to cloud applications and services. We discuss the VMware Edge Cloud Orchestrator, which provides unified management for networking and compute at remote sites.

The post Heavy Networking 698: Integrating Edge Networking And Compute With VMware Edge Cloud Orchestrator (Sponsored) appeared first on Packet Pushers.

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Heavy Networking 698: Integrating Edge Networking And Compute With VMware Edge Cloud Orchestrator (Sponsored)

On today’s Heavy Networking we explore the edge. But where is the edge? In today's conversation with sponsor VMware, it's a remote location where data is being generated. It could be end users in a branch office, or IoT devices and sensors on a factory floor. These edge locations needs integrated compute and networking to run application workloads while also being able to  connect to cloud applications and services. We discuss the VMware Edge Cloud Orchestrator, which provides unified management for networking and compute at remote sites.

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How many jobs are available in technology in the US?

A seesaw effect seems to have taken hold as unemployment in IT rose in August after falling significantly the month before.

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Tech Bytes: Introducing The Network Automation Forum And AutoCon Event (Sponsored)

Today on the Tech Bytes podcast we discuss the Network Automation Forum (NAF) and its inaugural independent conference--AutoCon 0. The networking industry has been taking about automation forever, but most engineers and organizations don't get much beyond a few scripts. The Network Automation Forum wants to change that by serving as a salon where enterprises, service providers, and vendors can talk openly about what works, what doesn't, and how to advance the state of the art.

The post Tech Bytes: Introducing The Network Automation Forum And AutoCon Event (Sponsored) appeared first on Packet Pushers.

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Tech Bytes: Introducing The Network Automation Forum And AutoCon Event (Sponsored)

Today on the Tech Bytes podcast we discuss the Network Automation Forum (NAF) and its inaugural independent conference--AutoCon 0. The networking industry has been taking about automation forever, but most engineers and organizations don't get much beyond a few scripts. The Network Automation Forum wants to change that by serving as a salon where enterprises, service providers, and vendors can talk openly about what works, what doesn't, and how to advance the state of the art.

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How to omit command history with ignoredups

In this Linux tip, we’re going to look at how you can get your command history to omit commands when you enter them more than once in a row.

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Network Break 445: Juniper Pairs With ChatGPT, Microsoft To Unpair Teams In The EU

Today on Network Break we discuss Juniper integrating ChatGPT with its AI digital assistant, Microsoft's plan to unbundle Teams in the EU to fend off regulators, financial results from soon-to-be-paired Broadcom and VMware, a 5G follow-up, and more.

The post Network Break 445: Juniper Pairs With ChatGPT, Microsoft To Unpair Teams In The EU appeared first on Packet Pushers.

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Network Break 445: Juniper Pairs With ChatGPT, Microsoft To Unpair Teams In The EU

Today on Network Break we discuss Juniper integrating ChatGPT with its AI digital assistant, Microsoft's plan to unbundle Teams in the EU to fend off regulators, financial results from soon-to-be-paired Broadcom and VMware, a 5G follow-up, and more.

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VMware Takes a Full-Stack Approach in Addressing the Retail Edge

A full-stack approach to retail edge offers retailers a way to optimize operations and adapt to changes in a post-pandemic world.

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Incrementing and decrementing numeric variables in bash

When preparing scripts that will run in bash, it’s often critical to be able to set up numeric variables that you can then increment or decrement as the script proceeds. The only surprising part of this is how many options you have to choose from to make the increment or decrement operation happen.Incrementing numeric variables First, to increment a variable, you first need to set it up. While the example below sets the variable $count to 1, there is no need to start at 1.$ count=1 This would also work:$ count=111 Regardless of the initial setting, you can then increment your variable using any of the following commands. Just replace $count with your variable name.To read this article in full, please click here

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3 types of incremental forever backup

A traditional backup starts with an initial full backup and is followed by a series of incremental or cumulative incremental backups (also known as differential backups). After some period of time, you will perform another full backup and more incremental backups. However, the advent of disk-based backup systems has given rise to the concept of the incremental forever approach, where only one backup is performed followed by a series of incremental backups. Let’s take a look at the different ways to do this.File-level incremental forever The first type of incremental forever backup is a file-level incremental forever backup product. This type of approach has actually been around for quite some time, with early versions of it available in the ‘90s. The reason why this is called a file-level incremental is that the decision to backup an item happens at the file level. If anything within a file changes, it will change its modification date (or archive bit in Windows), and the entire file will be backed up. Even if only one byte of data was changed within the file, the entire file will be included in the backup.To read this article in full, please click here

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Incrementing and decrementing numeric variables in bash

When preparing scripts that will run in bash, it’s often critical to be able to set up numeric variables that you can then increment or decrement as the script proceeds. The only surprising part of this is how many options you have to choose from to make the increment or decrement operation happen.Incrementing numeric variables First, to increment a variable, you first need to set it up. While the example below sets the variable $count to 1, there is no need to start at 1.$ count=1 This would also work:$ count=111 Regardless of the initial setting, you can then increment your variable using any of the following commands. Just replace $count with your variable name.To read this article in full, please click here

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3 types of incremental forever backup

A traditional backup starts with an initial full backup and is followed by a series of incremental or cumulative incremental backups (also known as differential backups). After some period of time, you will perform another full backup and more incremental backups. However, the advent of disk-based backup systems has given rise to the concept of the incremental forever approach, where only one backup is performed followed by a series of incremental backups. Let’s take a look at the different ways to do this.File-level incremental forever The first type of incremental forever backup is a file-level incremental forever backup product. This type of approach has actually been around for quite some time, with early versions of it available in the ‘90s. The reason why this is called a file-level incremental is that the decision to backup an item happens at the file level. If anything within a file changes, it will change its modification date (or archive bit in Windows), and the entire file will be backed up. Even if only one byte of data was changed within the file, the entire file will be included in the backup.To read this article in full, please click here

0

Incrementing and decrementing numeric variables in bash

When preparing scripts that will run in bash, it’s often critical to be able to set up numeric variables that you can then increment or decrement as the script proceeds. The only surprising part of this is how many options you have to choose from to make the increment or decrement operation happen.Incrementing numeric variables First, to increment a variable, you first need to set it up. While the example below sets the variable $count to 1, there is no need to start at 1.$ count=1 This would also work:$ count=111 Regardless of the initial setting, you can then increment your variable using any of the following commands. Just replace $count with your variable name.To read this article in full, please click here

0

3 types of incremental forever backup

A traditional backup starts with an initial full backup and is followed by a series of incremental or cumulative incremental backups (also known as differential backups). After some period of time, you will perform another full backup and more incremental backups. However, the advent of disk-based backup systems has given rise to the concept of the incremental forever approach, where only one backup is performed followed by a series of incremental backups. Let’s take a look at the different ways to do this.File-level incremental forever The first type of incremental forever backup is a file-level incremental forever backup product. This type of approach has actually been around for quite some time, with early versions of it available in the ‘90s. The reason why this is called a file-level incremental is that the decision to backup an item happens at the file level. If anything within a file changes, it will change its modification date (or archive bit in Windows), and the entire file will be backed up. Even if only one byte of data was changed within the file, the entire file will be included in the backup.To read this article in full, please click here

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Random Thoughts on Zero-Trust Architecture

When preparing the materials for the Design Clinic section describing Zero-Trust Network Architecture, I wondered whether I was missing something crucial. After all, I couldn’t find anything new when reading the NIST documents – we’ve seen all they’re describing 30 years ago (remember Kerberos?).

In late August I dropped by the fantastic Roundtable and Barbecue event organized by Gabi Gerber (running Security Interest Group Switzerland) and used the opportunity to join the Zero Trust Architecture roundtable. Most other participants were seasoned IT security professionals with a level of skepticism approaching mine. When I mentioned I failed to see anything new in the now-overhyped topic, they quickly expressed similar doubts.

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Random Thoughts on Zero-Trust Architecture

When preparing the materials for the Design Clinic section describing Zero-Trust Network Architecture, I wondered whether I was missing something crucial. After all, I couldn’t find anything new when reading the NIST documents – we’ve seen all they’re describing 30 years ago (remember Kerberos?).

In late August I dropped by the fantastic Roundtable and Barbecue event organized by Gabi Gerber (running Security Interest Group Switzerland) and used the opportunity to join the Zero Trust Architecture roundtable. Most other participants were seasoned IT security professionals with a level of skepticism approaching mine. When I mentioned I failed to see anything new in the now-overhyped topic, they quickly expressed similar doubts.

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On Infrastructure as Code and Bit Rot

The architecture of the infrastructure-as-code (IaC) tooling you use will determine the level to which your IaC definitions are exposed to bit rot.

This is a maxim I have arrived at after working with multiple IaC tool sets, both professionally and personally, over the last few years. In this blog post, I will explain how I arrived at this maxim by describing three architectural patterns for IaC tools, each with differing levels of risk for bit rot.

Read the rest of this post.

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Is It Time to Clean Up Your Network Management Tool Bench?

Network management tool sprawl is getting in the way of network management. It’s time for IT to do something about it.

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Connection coalescing with ORIGIN Frames: fewer DNS queries, fewer connections

This blog reports and summarizes the contents of a Cloudflare research paper which appeared at the ACM Internet Measurement Conference, that measures and prototypes connection coalescing with ORIGIN Frames.

Some readers might be surprised to hear that a single visit to a web page can cause a browser to make tens, sometimes even hundreds, of web connections. Take this very blog as an example. If it is your first visit to the Cloudflare blog, or it has been a while since your last visit, your browser will make multiple connections to render the page. The browser will make DNS queries to find IP addresses corresponding to blog.cloudflare.com and then subsequent requests to retrieve any necessary subresources on the web page needed to successfully render the complete page. How many? Looking below, at the time of writing, there are 32 different hostnames used to load the Cloudflare Blog. That means 32 DNS queries and at least 32 TCP (or QUIC) connections, unless the client is able to reuse (or coalesce) some of those connections.

Each new web connection not only introduces additional load on a server's processing capabilities – potentially leading to scalability challenges during peak usage hours Continue reading