Sysadmins

Deploying a Ticket Request System with OTRS

In the current business scenario, customer management plays a major role in the success or failure of a company. Tracking issues and giving clients the necessary support and assistance in real time is…

wireshark

Getting Started with WireShark

This article presents WireShark, a very capable and popular graphical network protocol analyser. Gerald Combs created Ethereal, the ancestor of WireShark, back in 2006. When he changed his job, he could not use…

Use the Built-in Security Features in Your FOSS Distro

When it comes to securing network infrastructure, the trend is to invest in commercial-grade appliances. Sadly, security designers tend to ignore the built-in security features available in FOSS distros. This article explains a…

Secure Your Career with ‘Ethical Hacking’!

In the dark alleys of virtual space, cyber crooks, a.k.a. hackers, are persistently coming up with novel attacks to knock out even the latest anti-fraud defences. If a report released by software security…

Cyber Attacks Explained: Cryptographic Attacks

Cryptographic solutions are used to encrypt data transmission over wireless or wired protocols. Unfortunately, these techniques have proved to be vulnerable to attacks and data can be stolen. This article explores the various…

Cyber Attacks Explained: Wireless Attacks

Wireless networks are everywhere, from the home to corporate data centres. They make our lives easier by avoiding bulky cables and related problems. But with these benefits comes a threat: wireless networks are…

Learn the Art of Linux Troubleshooting

Here are some valuable tips to help you find important system files in RHEL 5, which get deleted by accident. Everything seems fine when your Linux machine works just the way you want…

Introducing Samba 4 Now, Even More Awesomeness

Samba 4 has been in development for a long time but an official first release is imminent, the developers say. Its biggest feature is Active Directory Server support, which removes the last hurdle…

Playing Hide and Seek with Passwords

Passwords are used in many ways for security in computers, from BIOS management to logging in to your user account; from accessing hard disk contents, to restricting access to specific services. For Linux,…

Cyber Attacks Explained: The Botnet Army

This article covers sophisticated botnet attacks, whereby the attacked computer system becomes an attacker itself. Systems administrators and senior technology management staff that are aware of the modus operandi of botnets are best…

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