Linux Systemd-based Useless Machine!

Publicado em: 24 Junho 2024
no canal de: DevOps Undefined
198
4

Hands on video for linux systemd service manager. Linux services explained. How to control systemd.

Master systemd, the powerful service manager in Linux, with this hands-on guide! In this video, we’ll show you how to manage services on Ubuntu using systemd, including starting, stopping, enabling, and disabling services. Whether you’re a beginner or an experienced Linux user, this tutorial will help you understand the core concepts of system management on Linux systems. Perfect for anyone looking to streamline processes and enhance their Linux skills. Watch now to get a solid grip on managing services with systemd in a real-world environment!

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Used commands:
systemctl daemon-reload - reload sysdemd after configuration files are changed
systemctl start alert-me.service - start service called alert-me
systemctl stop alert-me.service - stop service called alert-me
systemctl enable alert-me.service - enable service called alert-me for startup at boot time
tail -f /var/log/syslog - watch for changes a file named syslog in /var/log directory
udevadm monitor --property - monitor udev for device changes

00:00 - Intro
00:04 - What is mainly Systemd used for
00:20 - Fully working systemd service example that controls nginx
00:46 - What is multi-user target
01:04 - Creating new systemd service that is acting as a useless machine
01:17 - systemctl daemon-reload command
01:30 - Starting our new service and enabling it at boot time
01:42 - Useless machine demo
02:08 - Path systemd units
02:32 - Path unit demo
02:52 - Make our systemd service more useful by reloading the nginx config each time it is changed
03:41 - Udev rules to control systemd services
04:30 - Wrap up


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