Marco’s primary operation and maintenance video tutorial

Face-to-face classes start

Face-to-face classes start

Operating system basics

Linux operating system basics

Linux operating system and common commands

Linux operating system and common commands

Detailed explanation of Linux root file system

Detailed explanation of Linux file management commands

Detailed explanation of Linux file management commands

Detailed explanation of bash features

Detailed explanation of bash features

Detailed explanation of Linux users and permissions

Detailed explanation of Linux user management commands

Permissions and authority management

Management and IO redirection

grep and regular expressions

egrep and extended regular expressions

Bash script programming one: variables, variable types, etc.

bash script programming part 2 conditional judgment

Bash Script Programming Part 3 Conditional Judgment and Arithmetic Operations

Bash Script Programming Part 4 Integer Testing and Special Variables

Bash script programming part 5: string testing and for loop

sed command

Bash Script Programming Part 6 Using Script Options and Combination Condition Testing

Bash script programming seven case statements and script options advanced

Bash Script Programming Part 8: The script completes disk partition formatting

bash script programming nine while loop

bash script programming 10 functions

Bash script programming 11 (Linux startup process 3) SysV service script

Bash script programming part 12 (Linux system reduction part 2) System function library

Bash script programming 13 (Linux system reduction 3) System function library

Bash Script Programming 14: Task Planning for Signal Capture and System Management

Detailed explanation of vim editor

Detailed explanation of Linux file search

Detailed explanation of special permissions SUID, etc.

facl and users and Linux terminal

Linux compression and archiving

Detailed explanation of disk and file system management Part 1

Detailed explanation of disk and file system management part 2

Detailed explanation of disk and file system management Part 3

Detailed explanation of disk and file system management Part 4

Detailed explanation of disk and file system management Part 5

One of Raid and mdadm commands

Raid and mdadm command 2

One of LVM

LVM 2

One of the Linux network configurations

Linux network configuration 2 IP messages

Linux network configuration three TCP messages

Linux Network Configuration 4 Detailed Explanation of ifconfig and ip Commands

One of the Linux software management rpm

Linux software management part 2 rpm

Linux software management 3 yum

Linux software management 4 yum

One of Linux process management

Linux process management part 2

Detailed explanation of Linux system startup process - run level and grub

Linux system startup process 2 kernel and init

Linux kernel compilation and system reduction one

Linux system reduction 4 Customized kernel and busybox to complete system customization

Linux logging system syslog

Linux system reduction 6: Add ssh service to the system

RHEL5.8 system installation and Kickstart

Linux system troubleshooting

Detailed explanation of sudo

Encryption types and their associated algorithms

ssl protocol, openssl and creating private CA

OpenSSH services and related applications

Detailed explanation of concepts related to DNS services

Detailed explanation of concepts related to DNS services

Bind97 service installation configuration

DNS master-slave replication and zone transfer

DNS subdomain authorization

DNS view and log system

DHCP service

Web services and http protocol

httpd installation configuration

httpd attribute configuration

httpd virtual host

https service configuration based on openssl