101. System Architecture

This is a note I made while I was reading a book about Linux

@: Command, +: File, #: Example

• Boot-time Kernel Parameters
  • – too many parameters, so get famiiliarize with them

• Kernel Module Configuration
  • – affect kernel, but not control modules
  • + /etc/modules.conf
    • – parameters are instered here

• Kernel boot-time message
  • – Kernel identification
  • – Memory and CPU information
  • – information on detected hardware (printer, serial ports, disks)
  • – Partition information and checks
  • – Network initialization
  • – Kernel module output for modules that load at boot time
  • @ dmesg | less
    • – for boot-time
    • – It’s fixed size, there could be lose

• Reviewing system logs
  • + /var/log/messages
  • – other than dmesg message