作者:John

11 useful commands for Linux/Unix administrators

11 useful commands for Linux/Unix administrators

Command line is more powerful because you can do  lot with them,  you can tell your computer exactly what you want and get the appropriate answer, whi

John John 2017-03-15
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Write a TCP Server in Python – Part 2

Write a TCP Server in Python – Part 2

This article is for people that have good knowledge in Python and want to learn and practise new skills and do some network basics. Information about

John John 2017-03-15
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Write a TCP Server in Python. Introduction with Sockets – Part 1

Write a TCP Server in Python. Introduction with Sockets – Part 1

It is late and I decided to code a simple TCP server in pure Python. But what is a server? Anything that receives connection from other computers call

John John 2017-03-15
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Write a Simple Client in Python

Write a Simple Client in Python

Now that we finished writing the TCP server it is time to write a simple client which will connect to the server. It is very simple to create our clie

John John 2017-03-15
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How To Manage Multiple SSH Sessions Using Cluster SSH And PAC Manager

How To Manage Multiple SSH Sessions Using Cluster SSH And PAC Manager

About SSH We, all, know what is SSH, right? SSH, stands for Secure Shell (sometimes known as Secure Socket Shell), is a Cryptographic Protocol that c

John John 2017-03-15
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Block SSH Brute Force Attacks Using SSHGuard

Block SSH Brute Force Attacks Using SSHGuard

SSHGuard is a fast and lightweight monitoring tool written in C language. It monitors and protects servers  from brute force attacks using their loggi

John John 2017-03-15
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Determine Your Specifications from Command-Line

Determine Your Specifications from Command-Line

We recently published article about how to determine your computer’s architecture via GUI. Today am going to show how to do the same thing from the co

John John 2017-03-15
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Use Terminal as a Web Browser

Use Terminal as a Web Browser

Web browsers are software used to access and view the internet and webpages. We all know about some of the popular web browsers such as Mozilla Firefo

John John 2017-03-15
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Installing Telnet In CentOS/RHEL/Scientific Linux 6 & 7

Installing Telnet In CentOS/RHEL/Scientific Linux 6 & 7

Disclaimer: Before installing and using Telnet, keep the following in mind. Using Telnet in public network(WAN) is very very bad idea. It transmi

John John 2017-03-15
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Ten ‘Top’ Command Examples

Ten ‘Top’ Command Examples

The “top” command provides a dynamic real-time view of a running system. It can display system summary information as well as a list of processes or t

John John 2017-03-15
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