How to deal with a compromised Linux system
One day your web hoster or yourself may discover that your Linux system is slow. Upon logging in, you see a high load consumed by a suspicious process name or maybe just the Apache web server. Is your...
View ArticleConfiguring and auditing Linux systems with Audit daemon
Configuring and auditing Linux systems with Audit daemon The Linux Audit Daemon is a framework to allow auditing events on a Linux system. Within this article we will have a look at installation,...
View ArticleDetecting Linux rootkits
What is a rootkit? A rootkit is a set of tools with the goal to hide its presence and to continue providing system access to an attacker. The word rootkit comes from the root user, which is the...
View ArticleHow to see the file type?
Did you come across a file, but don’t know what type it is? Let’s learn how to analyze it. The unknown file You may encounter a file on your system with known contents or goal. Usually, the first thing...
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