LinuxCBT systemd Edition

English | 2015 | mp4 | H264 1356x766 | AAC 2 ch | 4 hrs 20 min | 567 MB

eLearning

Course Objective

systemd System | Daemon (Services) Manager

systemd Features | Boot

- Discuss features and benefits

- Contrast with SysV INIT

- Explore boot environment

- Highlight systemd functionality

- Change systemd boot target

- Evaluate startup environment

- Draw parallels to SysV INIT where appropriate

System Information

- Identify important systemd utilities

- Expose time | date related settings

- Alter timezone settings and evaluate

- Disucss locale control

- Discuss available hostname settings

- Identify default hostname configuration

- Alter hostnames as needed and evalute changes

- Confirm persistence of altered results

- Identify logged-in users

- Discuss various applicable systemd tools

Targets | RunLevels

- Contrast SysV RunLevels with systemd Targets

- Identify default target | runlevel

- Alter target as needed and contrast with runlevels

- Transcend targets and track runlevel equivalents

- Enumerate loaded | supported targets

- Enter 'rescue' target and evaluate

- Reduce services | enter 'emergency' target

- Contrast both targets | discuss relevance

- Change default target on managed nodes

System Control

- Identify key systemd utility

- Explore power management commands | options

- Contrast with historical tools

- Dump ALL systemd-managed objects

- Identify objects of interest

- Enumerate failed objects

- Expose systemd object status

- Parse output by: sockets, devices and services

- Manage services | Contrast with SysV

- Disable | Enable services | Confirm persistence

Remote Control

- Setup SSH environment to support effortless remote control

- List available remote systemd-managed objects

- Ascertain default target on remote nodes

- Alter default target on remote nodes and confirm persistence

- Manipulate targets on remote nodes and evaluate

LOG

- Discuss important features of systemd logging

- Reboot nodes and identify stored LOGs

- Enable persistence of retained LOGs

- Parse LOGs to obtain objects of interest

- Find LOG entries pertaining to specific $USER[s] - Monitor LIVE LOGs and contrast with 'watch'

- Extract LOG ranges

- Identify BOOT LOG data

- Expose LOG footprint