Linux OPS architect Course Introduction

Course System:

RHCE (RedHat certification Engineer):

RH033 (Basic)

RH133 (System Management)

RH253 (Service Management)

RHCA (Redhat centification Architect):

RH401

RH423 (LDAP protocol)

RH442

RH436 (Cluster and storage)

RHS333

Mysql

Nosql

Work Position:

System Architect: Design Blueprint

System engineer: System on-line

Maintenance Engineer: System operation and Maintenance

DBA: Database administrator

Principle of computer composition:

Kernel

Process

Memory

File system

Network

Harware Driver

System Call

Library (API)

Shell

Batch processing system:

jobs1$$$$$$$$ $jobs 2$$$$$$

GE, Bell, MIT co-develop multi-tasking, multi-user systems

Compilation of language development

Multics system

Ken Thompson

Space Travel  

System named Unics--> changed to UNIX (good performance, transplant poor)

Dennis Ritchie

B language->c language

Bill Joy: BSRG

bsd:berkeyly System Distribution

System V (Bell->novel)

BSD VS Bell

1981, Microsoft, Xenix

Cp/m-->dos

Jobs

DEC (Digital Equipment Company)

PDP-11, PDP-7

VAX

Gui:graphic User Interface

Cli:command Line Interface

Gnu:gnu is not Unix

Gpl:general Public License

Lgpl:lesser

GPLv2

GPLv3

Bsd

Apache

Open Source : Open Source code

Free : Free access, free revision, free learning

Emacs: Text Editor

Gcc:gnu C complier

Bash:

LINUX:GLIBC, GCC

Release: Distributor

RedHat

Sls

Debian

Suse

Package Management:

Debian:dpt

redhat:rpm

Basic principles of Linux:

1, consisting of a small program with a single purpose, combined with a small process to complete complex tasks;

2, all documents;

3, try to avoid capturing the user interface;

4, the configuration file is saved in plain file format;

Command format:

Options: Short options (can be combined,-ab) and long options (--)

Parameters: The Action object of the command

Terminal Virtual Terminal: CTRL+ALT+F1~F6

Analog Terminal (under the GUI)

Gnome (c), KDE (+ +), XFace

Password complexity rules:

10^6

36^6

62^6

100^6

Authentication mechanism : Authentication

Authorized : Authorization

audit : Audition (log)

Prompt (Command prompt)

Magic Number: Magic Numbers

#!/bin/bash

Directories: Files, path mappings

Path: The location that passes from the specified starting point to the destination

List the files under the specified path

filesystem: File System (Hierarchical Management)

This article is from the "Original Code" blog, please be sure to keep this source http://yuanchuang.blog.51cto.com/9897344/1825627

Linux OPS architect Course Introduction