Linux

How To Manage Lists in Redis — step-by-step Linux tutorial on Progressive Robot

How To Manage Lists in Redis

In Redis, a list is a collection of strings sorted by the order in which they were inserted unless otherwise specified, similar to linked lists. This tutorial details how to create lists and retrieve and delete elements from lists.

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How To Migrate from FirewallD to Iptables on CentOS 7 — step-by-step Linux tutorial on Progressive Robot

How To Migrate from FirewallD to Iptables on CentOS 7

Like most other Linux distributions, CentOS 7 uses the netfilter framework inside the Linux kernel in order to access packets that flow through the network stack. This provides the necessary interface to inspect and manipulate packets in order to implement a firewall…

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How To Monitor Server Health with Checkmk on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How To Monitor Server Health with Checkmk on Ubuntu 18.04

Checkmk is a monitoring solution that is both robust and simpler to install than many of its competitors. It is a self-contained software bundle that combines Nagios (a popular and open-source alerting service) with add-ons for gathering, monitoring, and graphing data. It also comes with Checkmk’s web interface — a comprehensive tool that addresses many of Nagios’s shortcomings. In this guide we will set up Checkmk and monitor two separate hosts: an Ubuntu 18.04 server and a CentOS 7 server.

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How to Benchmark the Performance of a Redis Server on Ubuntu 18.04 — step-by-step Linux tutorial on Progressive Robot

How to Benchmark the Performance of a Redis Server on Ubuntu 18.04

Benchmarking is an important practice to analyse the overall performance of servers and identify bottlenecks as well as opportunities for improvement within those systems. In this guide, we’ll demonstrate how to benchmark the performance of a Redis server running on Ubuntu 18.04, using a few different tools and methods.

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