Author: PinoyLinux

The Beginner’s Guide to iptables, the Linux Firewall

A firewall is a system that provides network security by filtering incoming and outgoing network traffic based on a set of user-defined rules.

Open Source SysAdmin Resources

Open Source SysAdmin Resources   Automation Automation build. Apache Ant – Automation build tool, similar to make, written in Java. Apache Maven – Build automation tool mainly for Java. Bazel – Google’s build system. GNU Make – The most popular automation build tool for many purposes. Gradle – Another build automation system.   Backups Backup…
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Monitoring File Access using Auditd

If you are running a mission critical web server, or maintaining a storage server loaded with sensitive data, you probably want to closely monitor file access activities within the server. For example, you want to track any unauthorized change in system configuration files such as /etc/passwd.