Category: Tutorials

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Visualize Fio Logs with fio2gnuplot

Learn about Fio: Fio Fio Basics Compile Fio Visualize Fio Logs with fio2gnuplot   Fio offers the possibility to log the performance values with log files during test runs . At certain intervals, the achieved performance values are written to a file. fio2gnuplot is...

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Compile Fio

Learn about Fio: Fio Fio Basics Compile Fio Visualize Fio Logs with fio2gnuplot   Fio is a tool for measuring IO performance. This article shows how you can compile Fio yourself with the associated source code . You can also...

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Fio basics

Learn about Fio: Fio Fio Basics Compile Fio Visualize Fio Logs with fio2gnuplot   Fio is an acronym for Flexible IO Tester and refers to a tool for measuring IO performance. With Fio, devices such as hard...

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Fio

Learn about Fio: Fio Fio Basics Compile Fio Visualize Fio Logs with fio2gnuplot     What is Fio? Fio (Flexible I / O Tester) is an I / O performance benchmarking tool for Linux, other...

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Samba sharing with authentication

Complementing a simple Samba release, this article shows how to create a username and password based Samba share using a Debian 8 based system. Ubuntu 16.04 and Windows 10 are used as client software for testing the connection .   Installation and...

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Compiling Linux kernels under Ubuntu or Debian

Compiling a Linux kernel is not an everyday occurrence for most administrators. It is all the more important to know the right tools when the time comes. The following article shows examples of how Mainline / Vanilla Kernel and the...

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Network analysis with Wireshark

With the program Wireshark you can read traffic from your network (sniff). In the example you see the possibility to analyze HTTP traffic. Example HTTP traffic On the start page, you can choose which interface...

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Wlan power management under Linux with iw rules

The command-line tool iw allows a variety of configuration options for wireless devices. Since the power management concerning. The transmitting / receiving performance with some cards is problematic, you can disable this in Linux. The article shows how to...

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Set up static ARP entry

This article describes how to create a static ARP entry on Linux and Windows. Static ARP entries for important network components in the same Layer 2 segment provide some protection against ARP spoofing. Ubuntu /...

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Linux CPU Performance Measurements with mpstat

The Linux tool mpstat provides information about the utilization of the individual CPUs of a system. For multi-core CPUs, each core is displayed as a CPU. Hyperthreaded CPUs display two CPUs per physical CPU or physical core. For most...