Linux Audit
Linux security and system management
Linux Audit is one of the few blogs dedicated to Linux security. We aim for high-quality articles to explain security concepts and how they apply to Linux systems.
Did you know?
You can monitor memory usage by combining the watch and vmstat command
watch --interval 1 vmstat --stats --unit MAlso 💙 the command-line or terminal? Have a look at the command-line tips.
Latest articles
What is a zombie process?
What is a zombie process on Linux and how to deal with it? In this article we will have a look at the details.
How to kill a zombie process
How to kill a zombie process if it does not respond to kill -9? Here are a few last steps that you can try.
How to show a running process name and its process ID (PID)
Find the process ID (PID) and process name on Linux with the help of the pgrep command.
How to find all process IDs by its process name
Discover the process ID (PID) on Linux for a running process by searching for its process name.
Linux process signals and their meaning
Want to know the difference between SIGHUP, SIGKILL, and SIGTERM? Learn about Linux process signals, including a list and description.
Using a RSS feed reader? See links in footer to stay up-to-date!
Recent changes
- Linux Audit » SSH
- Linux Audit » Kernel
- Linux Audit » Systemd
- Frequently Asked Questions » What is a zombie process?
- Frequently Asked Questions » How to kill a zombie process
- Linux Audit » Glossary
- Frequently Asked Questions » How to show a running process name and its process ID (PID)
- Frequently Asked Questions » What is a tainted kernel
- Frequently Asked Questions » How to find all process IDs by its process name
- Frequently Asked Questions » How to kill a running process by its name
- Processes » Linux process signals and their meaning
- Package manager » List installed packages on a Linux system
- Cheat sheets » ip cheat sheet
- Cheat sheets » AWK cheat sheet
- Cheat sheets » ss cheat sheet
- Linux Audit » Abbreviations
- Frequently Asked Questions » How to see the TTL value of a DNS record
- Frequently Asked Questions » How to see which DNS server is used
- Cheat sheets » lsof cheat sheet
- Sysctl » net
- Sysctl » kernel
- Kernel » Sysctl
- net » Sysctl: net.ipv4.ip_forward
- kernel » kernel.tainted
- kernel » Sysctl: kernel.perf_event_paranoid
Topics
Auditing
Inspect your systems with security tools and manually by knowing what to look for.
Latest article (of 59):
› How to secure a Linux system
Automation
Save time by learning how to automate manual and repeating tasks.
Latest article (of 12):
› Shell scripting
Compliance
Everything related to compliance, such as security auditing and system hardening.
Latest article (of 15):
› GDPR Compliance: Technical Requirements for Linux Systems
File systems
Everything about storing data on a file system
Latest article (of 20):
› How to see the size of a directory
Hardening
Apply defenses to your Linux systems and make them less vulnerable.
Latest article (of 30):
› How to secure a Linux system
Linux
Everything related to Linux, from the basics of system administration to running services and securing them.
Latest article (of 37):
› How to block POST requests in nginx
Software
Configure, maintain, and monitor software applications
Latest article (of 32):
› How to show all installed packages on Ubuntu
System administration
Learn generic Linux and security concepts with the articles in our system administrator category
Latest article (of 135):
› kill
Vulnerabilities
Know what vulnerabilities could be present on your systems and how to harden your Linux environment.
Latest article (of 12):
› Show vulnerable packages on Arch Linux with arch-audit