start, stop, restart Linux services (daemon HUNTING!!) // Linux for Hackers // EP 6
Source: YouTube · NetworkChuck · published Aug 6, 2021 · 24:22
This video explains how Linux daemons (background services) work and how to manage them using systemctl commands, which is essential for Linux administration and security tasks 0:02.
Key Takeaways:
• Daemons are background processes in Linux that enable system functionality, often identifiable by a "d" suffix like sshd or ntpd 5:25-5:36
• Systemd is the "master daemon" (process ID 1) that controls all other daemons and serves as the initialization system for Linux 8:01-8:26
• Use systemctl commands to manage daemons: start, stop, restart, reload, enable, and disable services 11:11-11:21
• You can check daemon status with "systemctl status [daemon]" and list all active services with "systemctl list-units --type=service" 12:00-12:06
• When troubleshooting service failures, use journalctl to view systemd logs that explain why a service failed to start 19:58-20:25
Managing Linux daemons is a fundamental skill for system administrators and security professionals working with Linux systems 22:49-22:53.
Sources:
- 0:02 Introduction to Linux daemons
- 5:25-5:36 Identifying daemons by "d" suffix
- 8:01-8:26 Systemd as the master daemon
- 11:11-11:21 Using systemctl to manage daemons
- 12:00-12:06 Checking daemon status and listing services
- 19:58-20:25 Troubleshooting with journalct
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First 800 characters of the transcript
did you know that your linux system has a bunch of demons in it yep i said demons now apparently it's the good kind not the bad kind but still they're there they're in the background you can't see them and they are the reason that your linux system can run but i want to find them i want to find these demons these services that make our linux system tick so get your coffee ready [Music] let's go demon hunting this is episode 6 of my linux for hackers and everyone because everyone needs to learn linux course or series whatever you want to call it whatever the case we're learning linux and today we're learning about demons now demons are kind of like services and linux so in this episode i'm showing you how to manage all your services and linux how to start stop restart enable things like ssh…