How to set up Zimbra mail server on CentOS

In this tutorial, we will examine the process of installing Zimbra mail server in CentOS Linux environment. Zimbra is my personal favorite when it comes to open-source mail servers as it comes with a number of useful features such as built-in calendar support, email filtering rules, a modern interface for both users and admins, spam […]
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What is a good HEX editor on Linux

A hex editor is different from a regular text editor in that the former displays the raw binary content of a given file, without applying any text encoding or typesetting. A hex editor can be useful in various cases, e.g., repairing disk image and partition, reverse-engineering binary code, patching emulator ROM files, analyzing malware, etc. […]
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How to scan Linux for vulnerabilities with lynis

As a system administrator, Linux security technician or system auditor, your responsibility can involve any combination of these: software patch management, malware scanning, file integrity checks, security audit, configuration error checking, etc. If there is an automatic vulnerability scanning tool, it can save you a lot of time checking up on common security issues. One […]
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How to detect malware on Linux with LMD

If you are running a mission-critical web server, or managing shared hosting environments on Linux, chances are that you constantly watch out for potential threats from Linux malware such as viruses, trojans, rootkits and worms. While staying up-to-date with the latest server hardening guides is a must to prevent any future attack, you may wish […]
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