Tags: SysAdmin

Machine Learning for Operations

Managing infrastructure is a complex problem with a massive amount of signals and many actions that can be taken in response; that’s the classic definition of a situation where machine learning can help.  IT and operations is a natural home for machine learning and data science. According to Vivek...
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find
The find command can do much more than simple searches; take it to the next level this tutorial from Paul Brown.

Beyond Finding Stuff with the Linux find Command

Continuing the quest to become a command-line power user, in this installment, we will be taking on the find command. Jack Wallen already covered the basics of find in an article published recently here on Linux.com. If you are completely unfamiliar with find, please read that article first to come...
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Systems Engineer Salary Rises Even Higher with Linux Experience

System administration is a very reactive role, with sysadmins constantly monitoring networks for issues. Systems engineers, on the other hand, can build a system that anticipates users’ needs (and potential problems). In certain cases, they must integrate existing technology stacks (e.g., following...
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LDAP Authentication In Linux

This howto will show you how to store your users in LDAP and authenticate some of the services against it. I will not show how to install particular packages, as it is distribution/system dependent. I will focus on "pure" configuration of all components needed to have LDAP authentication/storage of...
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New TOP500 List Led by DOE Supercomputers

The latest TOP500 list of the world’s fastest supercomputers is out, a remarkable ranking that shows five Department of Energy supercomputers in the top 10, with the first two captured by Summit at Oak Ridge and Sierra at Livermore. With the number one and number two systems on the planet, the “...
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How to Partition and Format a Drive on Linux

On most computer systems, Linux or otherwise, when you plug a USB thumb drive in, you're alerted that the drive exists. If the drive is already partitioned and formatted to your liking, you just need your computer to list the drive somewhere in your file manager window or on your desktop. It's a...
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filesystem
Learn how to move and manage files from the command line in this tutorial.

How to Move Files Using Linux Commands or File Managers

Learn how to move files with Linux commands in this tutorial from our archives. There are certain tasks that are done so often, users take for granted just how simple they are. But then, you migrate to a new platform and those same simple tasks begin to require a small portion of your brain's...
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gRPC Load Balancing on Kubernetes without Tears

Many new gRPC users are surprised to find that Kubernetes’s default load balancing often doesn’t work out of the box with gRPC. For example, here’s what happens when you take a simple gRPC Node.js microservices app and deploy it on Kubernetes: While the voting service displayed here has several...
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DevOps and Cloud: A Symbiotic Relationship

DevOps and cloud computing have become two of the ways companies can achieve this needed transformation, though the relationship between the two is not easily reconciled—DevOps is about the process and process improvement, while  cloud computing is about technology and services. It’s important to...
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How to Manage Storage on Linux with LVM

Logical Volume Manager (LVM) is a software-based RAID-like system that lets you create "pools" of storage and add hard drive space to those pools as needed. There are lots of reasons to use it, especially in a data center or any place where storage requirements change over time. Many Linux...
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