How to obtain and reset mailman based mailing list password 4 step with image

What is a mailman mailing list & how it works? Most of the academic and other institutes use mailman based mailing list to convey information between students and staffs. Organizations may have several mailing list to convey information between different groups of people. Each mailing list have a particular email address (say example-list1@organization.com, example-list2@organization.com etc)…

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WannaCry Ransomware, All you want to know about, protect your PC

What is WannaCry or WannaCrypt? WannaCry or WannaCrypt or WannCrypt0r 2 is a special short of malware (ransomware) that affects Windows PC. It encrypts files on local Hard disk, any connected USB drives and make them unusable. After first report on 12th May this malware has already affected over 230000 computers, ATM etc. Once affected…

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What is SSH Tunneling and port forwarding, Explained with Steps involved

Introduction: What is tunneling? In networking tunneling refers passing network traffic from source to destination via some intermediate. The intermediate may be a server or a network router which acts as gateway between source and destination. Way of interaction between gateway and destination server depends on the type of actual communication. Tunneling decides how the…

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Using rpcgen to create a upload-download (client-server) program

Introduction When we want to write a client server program in C/C++, we need to clutter with huge amount of details like socket creation, configuring the server structure, configuring the client structure etc. Is there any simplification there? The answer is yes. RPC(Rempte Procedure Call) is one of the rescuier (Note: there are several other…

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How to change default bash editor from vim to nano -Linux, CentOS

Introduction This short tutorial will demonstrate how to change default command line (bash) editor in Linux and Unix type operating system. Most of the Linux distribution comes with vim or vi as default bash editor. Both are powerful editor, but I don't like their interface. Here I'm going to demonstrate changing bash editor from vim to nano in CentOS…

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ISPManager 5: How to Increase Font Size, Change Color and Style using CSS

Introduction ISPManager is the most full featured cheap web hosting control panel. But most of the users find it's too small font size difficult to read. The control panel doesn't provide any web interface to change font size, font color and other style features. One obvious way is to increase font size of your browser.…

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How to check virtualization technique of your VPS using virt-what

Introduction Quality and price of a VPS (Virtual Private Server) depends on it's virtualization technology. Like XEN, VM Wire, KVM provides true virtualization and costly. On the other-hand now a days low end OpenVZ VPS are very cheap.  This has severe performance impact. Unlike KVM, XEN etc. OpenVZ use container based virtualization and share same kernel installed…

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