Author: İsmail Baydan

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How To Use vmstat To Monitor Linux Performance

Linux distributions provides a lot of tools in order to monitor system performance. vmstat is one of the most used tool for system performance monitoring. vmstat can collect and report information about memory, cpu, swap, io in a detailed way. In this tutorial we will examine the output of the vmstat and different...

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How To List MySQL Tables with “show tables” SQL Query

MySQL stores given relation data in tables. While using tables we generally need to check and list existing tables. We can use different ways to list tables. In this tutorial we will learn how to use show tables and Select table_name in order to list and print table names. Connect MySQL Interactive...

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Useful and Basic Commands For Ubuntu Linux Distribution

Ubuntu is very popular Linux distributions used by end and enterprise users. I all ready use Ubuntu KDE or Kubuntu for my daily usage. Newbies generally asks for commands for basic usage of Ubuntu distribution. In thsi tutorial we will examine these commands to manage Linux in a simple way....

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HMAC (Hach-based Message Authentication Code) Tutorial

Hash-based Authentication Message Code or HMAC is used to authenticate message with hash functions. Message authentication is important mechanism in cyber security and used to check message authenticity. There are different ways and mechanisms for Message Authentication. Message Message is the data, text, image or whatever else we want to...

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Enumerate() In Python

Python provides easy to use functions and mechanisms for programmers. While dealing with collection or list types we generally need some way to enumerate them. enumerate() function is used to create an iterable or enumerable type from given list or collection. After this operation we can use created object to iterate...

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Linux Bash Case Statement with Examples

Bash provides an interactive shell and programming environment for its users. Programming environment have very reach features like loops for and while, selection if and case. In this tutorial we will examine the case mechanism in detail. Syntax Syntax of case statement is a bit different and complex then if and other conditional...

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What Is Default SFTP Port and How To Change SFTP Port Number?

SFTP is secure version of the FTP . SFTP provides encrypted channel with the remote server. This makes authentication and data transfer more secure than FTP. SFTP protocol is generally provided by SSH servers by default. In this tutorial we will learn the default SFTP port and how to change...

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Returning Portion Of Specified String In PHP with substr Function

PHP programming languages provides a lot of different type of functions for string manipulation. In this tutorial we will look how to find some part of the given specified string or text. We will use popular function named substr() . Syntax We will start with the syntax of the substr() function. This...

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How To Create phpinfo Pages?

PHP is very popular programming language used by a lot of programmers and web devleopers. During PHP application development we may need to get detailed information about the platform the PHP web server runs. This type of information is provided by phpinfo function. phpinfo() function provides information like PATH, User, Operating System,...

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