Tags: configuration

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Routing
In this tutorial, we show how to manually configure LAN routers.

Linux LAN Routing for Beginners: Part 2

Last week we reviewed IPv4 addressing and using the network admin's indispensible ipcalc tool: Now we're going to make some nice LAN routers. VirtualBox and KVM are wonderful for testing routing, and the examples in this article are all performed in KVM. If you prefer to use physical hardware, then...
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VM manager
Carla Schroder shows how to set up automatic IP address configuration for unique local addresses.

IPv6 Auto-Configuration in Linux

In Testing IPv6 Networking in KVM: Part 1, we learned about unique local addresses (ULAs). In this article, we will learn how to set up automatic IP address configuration for ULAs. When to Use Unique Local Addresses Unique local addresses use the fd00::/8 address block, and are similar to our old...
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NixOS
Configuration is key to a successful installation of NixOS.

NixOS Linux Lets You Configure Your OS Before Installing

I’ve been using Linux for a very long time. Over the years, I’ve been incredibly happy with how the open source landscape has evolved. One particular area that has come quite a long way is the installation of various distributions. Once upon a time, installing Linux was a task best left to those...
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Kafka Architecture

First, if you are not sure what Kafka is, see this article. Kafka consists of records, topics, consumers, producers, brokers, logs, partitions, and clusters. Records can have keys (optional), values, and timestamps. Kafka records are immutable. A Kafka Topic is a stream of records ("/orders", "/...
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How to Get Started with the Foreman SysAdmin Tool

Foreman offers a powerful set of system management tools, from process automation to security compliance and more. Here's how to get started. Is your system management tool robust enough? As your organization grows, so does your workload—and the IT resources required to manage it. There is no "one-...
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TCP/IP
We take a practical look at some TCP/IP fundamentals, so you can manage multiple network connections.

Practical Networking for Linux Admins: TCP/IP

Linux grew up with a networking stack as part of its core, and networking is one of its strongest features. Let's take a practical look at some of the TCP/IP fundamentals we use every day. It's IP Address I have a peeve. OK, more than one. But for this article just one, and that is using "IP" as a...
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Database admin
If you need a single point of entry for every MySQL database you administer, you might want to give MySQL Workbench a try.

How to Install and Use MySQL Workbench As Your Database GUI

If you’re a DBA, chances are you do most of your database administration via the command line. But when you have a number of databases to work with, running on multiple database servers, a GUI would certainly come in handy. Of course, you could always install phpMyAdmin on each server, but then you...
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Apache on Ubuntu
The trick with Apache is knowing which configurations you need, because it has plenty to choose from; Carla Schroder has some tips that can help.

Apache on Ubuntu Linux For Beginners

The Apache HTTP server is a mighty beast that powers the majority of websites. It has evolved into a complex server that slices, dices, dances, and sings. It powers vast hosting centers, and it is also splendid for running small personal sites. The trick with Apache is knowing which configurations...
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Linux cleanup
Learn how to clean up your Linux startup process.

Cleaning Up Your Linux Startup Process

The average general-purpose Linux distribution launches all kinds of stuff at startup, including a lot of services that don't need to be running. Bluetooth, Avahi, ModemManager, ppp-dns… What are these things, and who needs them? Systemd provides a lot of good tools for seeing what happens during...
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How to Set Limits on User Running Processes in Linux

One of the Linux’s beauties is that you can control almost everything about it. This gives a system administrator a great control over his system and better utilization of the system resources. While some might... [[ This is a content summary only. Visit my website for full links, other content,...
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