Chapter 3. System

Table of Contents

Character encoding

ASCII

ASCII Table

UTF-8

beep

Hexadecimal

Booting

BIOS

BIOS update

UEFI

Secure Boot

Bootloader

Booting the Kernel

Systemd

Boot with systemd

Systemd units

Systemd directories wants and requires

Journal the systemd logger

SysVinit

OpenRC

Inittab

Improving the boot time

Mounting the file systems

Boot script and default runlevel

Initscripts

Writing OpenRC scripts

Login at startup

Start up messages

Linux 32 bit and 64 bit

Loading Libraries

Processes

Interprocess Communication IPC

Kernel

Hardware compatibility

Having the hardware and looking for drivers

Hints about kernel compiling

Kernel compilation

Kernel internals

Kernel modules

loading modules

Working with the modules

Firmware

D-Bus

Devicekit

udisks

Log files

Config files

Files that will be customized

Files usually not to be customized

CPU

Memory

Endians

Memory usage

Swap

Memory Management Unit (MMU)

System Time

UTC

NTP

RTC chip on the motherboard

Gateways and Routers

Cron

Vixie-cron

Other crons

Frontends

Clone a system

Turn off a Linux computer

Posix

Install Packages

Redhat/Suse

Debian

Gentoo

Flatpack

From Source

AppImage