Java知识

Mounting CD, U disk and unloading under Linux

() Mount the cd-rom Mount command ： mount t iso9660 /dev/cdrom /mnt/cdrom or mount t iso9660 /dev/sr0 /mnt/cdrom ! Insert picture description he...

2021-04-14 18:14:05 作者:Sweetie?

Step by step learning operation and maintenance - Fundamentals - disk array

List of articles 1. RAID How to implement ： ( 1__RAID_24) 2. soft raid 5 How to implement ( 2_raid_5__29) 1） Add a new hard disk and create 5 Z...

2021-04-14 18:14:44 作者:Internet veteran Xin

[Linux] learn operation and maintenance step by step

List of articles 1）fsck Detailed explanation ： ( 1fsck_168) fsck Use examples ( fsck_189) 1） Check the disk /dev/sdb1 File system ( 1devsdb1_190)...

2021-04-14 18:15:19 作者:Internet veteran Xin

Simple steps to teach you to modify the yum source in Linux

In the use of Redhat Self contained yum Source time , There are often mistakes or problems that can't be used directly , So change yum Source is the...

2021-04-14 18:18:16 作者:Sweetie?

Linux temporary shutdown and permanent shutdown of SELinux

see SELinux state : root@localhost ~ / getenforceEnforcing Temporarily Closed SELinux: root@localhost ~ / setenforce 0 root@localhost ~ / getenforc...

2021-04-14 18:18:38 作者:Sweetie?

[Linux] step by step operation and maintenance - Basic chapter - Linux file management command

List of articles Preface ( _1) Absolute path and relative path ( _12) Common file management commands ( _25) summary ： ( _134) 1. Create fi...

2021-04-14 18:18:51 作者:Internet veteran Xin

[Linux] step by step operation and maintenance - Basic chapter - file special permission management

List of articles Preface ： ( _3) 1. SUID Detailed explanation ( 1_SUID_11) 2. .SGID （Set group identification） ( 2_SGID__Setgroup_identification_...

2021-04-14 18:19:15 作者:Internet veteran Xin

VIM replacement command in Linux

take Cursor in line Medium first c Replace with a :s/c/a take Cursor in line Medium all c Replace with a :s/c/a/g Ask one by one , W...

2021-04-14 18:19:28 作者:Sweetie?

[Linux] learn operation and maintenance step by step - Fundamentals - RPM management

List of articles rpm Packet verification ( rpm_100) summary ： ( _151) a. Install the package locally ( a___53) b. Inquire about lrzsz Is your ...

2021-04-14 18:19:47 作者:Internet veteran Xin

[Linux] learn operation and maintenance step by step - Basic chapter - Linux operation and maintenance level

This article is a step-by-step study The first part of the basic series 43 An article List of articles Linux Operation level of ( Linux_3) Th...

2021-04-14 18:20:26 作者:Internet veteran Xin

Step by step learning operation and maintenance - Fundamentals - process management

List of articles Linux process ( Linux_5) Linux The basic command of Management ( Linux_40) Add ： ( _128) summary ： ( _133) 1. Process concept...

2021-04-14 18:21:04 作者:Internet veteran Xin

[Linux] learn operation and maintenance step by step - Basics - Common SSH management tools

List of articles 1. finallshell Recommend index ： Five stars ( 1_finallshell_________14) 2. xshell Recommend index ： Four stars ( 2_xshell__...

2021-04-14 18:21:36 作者:Internet veteran Xin

[Linux] learn operation and maintenance step by step - Basic chapter - Top command

List of articles 1） Find out what to use in the system cpu Most of the processes ( 1_cpu_164) 2） see gaosh User's process memory usage ( 2_gaos...

2021-04-14 18:22:19 作者:Internet veteran Xin

Data dictionary architecture in Oracle 12C CDB database

Oracle 12c CDB Database data dictionary architecture Use sys The experimental results of users and ordinary users are different ： SELECT / FROM V$PD...

2021-04-14 18:26:49 作者:Wheat seedling DB

Explain Oracle architecture, principle and process in detail, and learn that there is no more complex architecture in the world

Detailed explanation Oracle framework 、 principle 、 process , Learn that there is no more complex structure in the world Learning is a gradual pro...

2021-04-14 18:28:39 作者:Wheat seedling DB

Linux operation and maintenance interview question - written examination question 02

1. In the following documents , Contains host names to IP The file of the address mapping relationship is A /etc/HOSTNAME B /etc/hosts C /etc/resolv....

2021-04-14 18:28:53 作者:Internet veteran Xin

Linux operation and maintenance interview questions - 03

1. Describe in detail the business structure of your company ？（ Draw a topology ） What kind of business do you run ？ How much concurrency is support...

2021-04-14 18:28:59 作者:Internet veteran Xin

Linux operation and maintenance interview-04

1. Write Linux Commands to view log changes in real time ？ 1. Write Linux The output finds a service （ Such as Java Related services ）, Whether to r...

2021-04-14 18:29:08 作者:Internet veteran Xin

Linux operation and maintenance interview questions - 01

1. Configure one with DNS Integrated active directory , When the client joins the domain, it prompts that it can't find To the domain controller , W...

2021-04-14 18:29:41 作者:Internet veteran Xin

Hand code more than 20000 words, spring MVC package teaching package meeting

1. SpringMVC brief introduction 1.1 Spring Web MVC What is it? Spring Web MVC It's based on Java Realized. Web MVC Design pattern request dri...

2021-04-14 18:30:34 作者:Dugu smiles

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