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How to Investigate Suspicious Processes and Files on a Linux Server
A strange process name on a Linux server does not automatically mean the server has been…
Read MoreHow to Investigate Suspicious Processes and Files on a Linux Server
Finding Malware Persistence in Linux: How a Cron Job Kept Reinfecting Our Zimbra Server
Killing a malicious process does not necessarily remove malware from a Linux server. We learned this…
How We Investigated a Compromised Zimbra Mail Server on Ubuntu
Running your own mail server means that when something goes wrong, you sometimes need to investigate…
Open Source SysAdmin Resources
Open Source SysAdmin Tools and Resources Linux system administration has changed significantly since this resource was…
Enhancing Security through 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.
