Published Book on Amazon All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 1 All of IOT Starting with the Latest Raspberry Pi from Beginner to Advanced – Volume 2 출판된 한글판 도서 최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 모든 것 – 초보에서 고급까지 (상) 최신 라즈베리파이(Raspberry Pi)로 시작하는 사물인터넷(IOT)의 […]
Raspberry Pi_Kor_00.2 목 차
목 차
서문
1. 이 책을 쓰기까지
2. 이 책의 전체적인 구성
3. 이 책에서 다루는 내용
4. 이 책에서 다루는 내용의 수준
5. 이 책의 기준 운영체제
6. 이 책에서 사용되는 관례(conventions)
Chapter 1 Raspberry Pi 개요
Raspberry Pi_Kor_00.1 서문
서문
주요 내용
여기서는 먼저 저자가 이 책을 쓰게 된 동기를 소개하고 있다. 다음으로 이 책의 전체적인 구성과 각 Chapter의 요약된 내용을 안내하고 있으며, 다루는 내용의 수준에 대해서 안내하고 있다.
다음과 같은 항목에 대한 설명을 포함하고 있다.
■ 이 책을 쓴 동기
■ 이 책에서 다루는 내용
■ 이 책에서 다루는 내용의 수준
■ 이 책에서 사용되는 관례
Raspberry Pi_Eng_19.3.3 Checking Each Process Information in “/proc/PID/”
Original Book Contents
19.3.3 Checking Each Process Information in “/proc/
First, if you look up the process for
Raspberry Pi_Eng_19.3.2 Checking System Information in “/proc” Folder
19.3.2 Checking System Information in “/proc” Folder
The status information about the system as a whole is included below the “/proc” folder.
19.3.2.1 Information about CPU and Memory
In the “/proc” folder, you can see the CPU and memory related information for the entire system.
Raspberry Pi_Eng_19.3.1 “/proc” Folder and Process Information
19.3 “/proc” Folder and Process Information
On Linux, “/proc” directory is part of the operating system’s default directory and provides general information about the processes that the system manages. It provides a system-wide summary as well as detailed information on the individual process id. Here we briefly review the contents of the information in “/proc” directory.
19.3.1 Types of Information in “/proc” Folder
The following is the screen that display the contents of the “/proc” directory.
Raspberry Pi_Eng_19.2.1 Checking Storage Device
19.2 Storage Device Monitoring
19.2.1 Checking Storage Device
19.2.1.1 “df” Command – Check File System Disk Space
You can use “df” command to check the overall disk storage usage status of the system.
Raspberry Pi_Eng_19.1.2 Killing Process
19.1.2 Killing Process
If the current process is no longer needed, or if there is a problem with the progress of the process, you can terminate the processing of a specified particular process.
19.1.2.1 “kill” Command – Terminate Process Using PID
“kill” command tells the system to terminate the process running on the system.
Raspberry Pi_Eng_19.1.1 Checking System Status
19.1 CPU, Memory and Task
CPU and memory are the resources that the system has, and it is the task or process that uses these resources to perform the works specified by the user. Therefore, it is necessary to monitor the available resources in the system and the processes that are using resources at the present time to check whether there is a problem in the current work processing state.
19.1.1 Checking System Status
19.1.1.1 “top” Command – Check Main System Information
You can use the “top” command to check the overall status of the system.
Raspberry Pi_Eng_18.4.2 Remote Drive Connection Using SCP Program
18.4.2 Remote Drive Connection Using SCP Program
SCP (Secure Copy) is a program that sends and receives files to and from a remote computer using SFTP or SCP protocol through SSH.
18.4.2.1 Installing/Enabling SSH server Program
This program basically assumes that SSH server of the remote computer is running. To do this, you must first enable the SSH server in the Raspberry Pi system. For details, see the description of [9.9.1 Enabling SSH].