Linux: Kernels and Logging for System Administration

Learn how to customize and configure the Linux kernel on CentOS 7, and manage the GRUB boot loader, system initialization, and system logging.

Introduction

• Welcome
• What you should know

1. The Linux Boot Loader

• Understanding the Linux boot process
• GRUB overview
• Create a custom GRUB menu entry
• Booting into the emergency target

2. System Initialization

• Linux init services
• Introduction to systemd services
• Get systemd service status
• Manage systemd services
• Make systemd services persistent

3. The Linux Kernel

• Linux kernel directory structure
• Update the kernel
• Manage kernel modules

4. System Logging

• Search log files
• View system log files
• View systemd journal
• Use rsyslog filters
• Rotate log files

Conclusion

• Next steps