LinuxCBT systemd Edition-0daytown

LinuxCBT systemd Edition

English | 2015 | mp4 | H264 1356×766 | 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